Re: Linux 4.18.15

Greg KH
2018-10-18T17:05:00Z

diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt
index 457d5ae16f23..3e17ac1d5d58 100644
--- a/Documentation/devicetree/bindings/net/macb.txt
+++ b/Documentation/devicetree/bindings/net/macb.txt
@@ -10,6 +10,7 @@ Required properties:
Use "cdns,pc302-gem" for Picochip picoXcell pc302 and later devices based on
the Cadence GEM, or the generic form: "cdns,gem".
Use "atmel,sama5d2-gem" for the GEM IP (10/100) available on Atmel sama5d2 SoCs.
+ Use "atmel,sama5d3-macb" for the 10/100Mbit IP available on Atmel sama5d3 SoCs.
Use "atmel,sama5d3-gem" for the Gigabit IP available on Atmel sama5d3 SoCs.
Use "atmel,sama5d4-gem" for the GEM IP (10/100) available on Atmel sama5d4 SoCs.
Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC.
diff --git a/Makefile b/Makefile
index 5274f8ae6b44..968eb96a0553 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 18
-SUBLEVEL = 14
+SUBLEVEL = 15
EXTRAVERSION =
NAME = Merciless Moray

@@ -298,19 +298,7 @@ KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION

-# SUBARCH tells the usermode build what the underlying arch is. That is set
-# first, and if a usermode build is happening, the "ARCH=um" on the command
-# line overrides the setting of ARCH below. If a native build is happening,
-# then ARCH is assigned, getting whatever value it gets normally, and
-# SUBARCH is subsequently ignored.
-
-SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
- -e s/sun4u/sparc64/ \
- -e s/arm.*/arm/ -e s/sa110/arm/ \
- -e s/s390x/s390/ -e s/parisc64/parisc/ \
- -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
- -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
- -e s/riscv.*/riscv/)
+include scripts/subarch.include

# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
diff --git a/arch/arm/boot/dts/sama5d3_emac.dtsi b/arch/arm/boot/dts/sama5d3_emac.dtsi
index 7cb235ef0fb6..6e9e1c2f9def 100644
--- a/arch/arm/boot/dts/sama5d3_emac.dtsi
+++ b/arch/arm/boot/dts/sama5d3_emac.dtsi
@@ -41,7 +41,7 @@
};

macb1: ethernet@f802c000 {
- compatible = "cdns,at91sam9260-macb", "cdns,macb";
+ compatible = "atmel,sama5d3-macb", "cdns,at91sam9260-macb", "cdns,macb";
reg = <0xf802c000 0x100>;
interrupts = <35 IRQ_TYPE_LEVEL_HIGH 3>;
pinctrl-names = "default";
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index dd5b4fab114f..b7c8a718544c 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -823,6 +823,12 @@ static int armv8pmu_set_event_filter(struct hw_perf_event *event,
return 0;
}

+static int armv8pmu_filter_match(struct perf_event *event)
+{
+ unsigned long evtype = event->hw.config_base & ARMV8_PMU_EVTYPE_EVENT;
+ return evtype != ARMV8_PMUV3_PERFCTR_CHAIN;
+}
+
static void armv8pmu_reset(void *info)
{
struct arm_pmu *cpu_pmu = (struct arm_pmu *)info;
@@ -968,6 +974,7 @@ static int armv8_pmu_init(struct arm_pmu *cpu_pmu)
cpu_pmu->reset = armv8pmu_reset,
cpu_pmu->max_period = (1LLU << 32) - 1,
cpu_pmu->set_event_filter = armv8pmu_set_event_filter;
+ cpu_pmu->filter_match = armv8pmu_filter_match;

return 0;
}
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index b2fa62922d88..49d6046ca1d0 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -13,6 +13,7 @@

#include <linux/atomic.h>
#include <linux/cpumask.h>
+#include <linux/sizes.h>
#include <linux/threads.h>

#include <asm/cachectl.h>
@@ -80,11 +81,10 @@ extern unsigned int vced_count, vcei_count;

#endif

-/*
- * One page above the stack is used for branch delay slot "emulation".
- * See dsemul.c for details.
- */
-#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - PAGE_SIZE)
+#define VDSO_RANDOMIZE_SIZE (TASK_IS_32BIT_ADDR ? SZ_1M : SZ_256M)
+
+extern unsigned long mips_stack_top(void);
+#define STACK_TOP mips_stack_top()

/*
* This decides where the kernel will search for a free chunk of vm
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 9670e70139fd..1efd1798532b 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -31,6 +31,7 @@
#include <linux/prctl.h>
#include <linux/nmi.h>

+#include <asm/abi.h>
#include <asm/asm.h>
#include <asm/bootinfo.h>
#include <asm/cpu.h>
@@ -38,6 +39,7 @@
#include <asm/dsp.h>
#include <asm/fpu.h>
#include <asm/irq.h>
+#include <asm/mips-cps.h>
#include <asm/msa.h>
#include <asm/pgtable.h>
#include <asm/mipsregs.h>
@@ -644,6 +646,29 @@ unsigned long get_wchan(struct task_struct *task)
return pc;
}

+unsigned long mips_stack_top(void)
+{
+ unsigned long top = TASK_SIZE & PAGE_MASK;
+
+ /* One page for branch delay slot "emulation" */
+ top -= PAGE_SIZE;
+
+ /* Space for the VDSO, data page & GIC user page */
+ top -= PAGE_ALIGN(current->thread.abi->vdso->size);
+ top -= PAGE_SIZE;
+ top -= mips_gic_present() ? PAGE_SIZE : 0;
+
+ /* Space for cache colour alignment */
+ if (cpu_has_dc_aliases)
+ top -= shm_align_mask + 1;
+
+ /* Space to randomize the VDSO base */
+ if (current->flags & PF_RANDOMIZE)
+ top -= VDSO_RANDOMIZE_SIZE;
+
+ return top;
+}
+
/*
* Don't forget that the stack pointer must be aligned on a 8 bytes
* boundary for 32-bits ABI and 16 bytes for 64-bits ABI.
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 2c96c0c68116..6138224a96b1 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -835,6 +835,34 @@ static void __init arch_mem_init(char **cmdline_p)
struct memblock_region *reg;
extern void plat_mem_setup(void);

+ /*
+ * Initialize boot_command_line to an innocuous but non-empty string in
+ * order to prevent early_init_dt_scan_chosen() from copying
+ * CONFIG_CMDLINE into it without our knowledge. We handle
+ * CONFIG_CMDLINE ourselves below & don't want to duplicate its
+ * content because repeating arguments can be problematic.
+ */
+ strlcpy(boot_command_line, " ", COMMAND_LINE_SIZE);
+
+ /* call board setup routine */
+ plat_mem_setup();
+
+ /*
+ * Make sure all kernel memory is in the maps. The "UP" and
+ * "DOWN" are opposite for initdata since if it crosses over
+ * into another memory section you don't want that to be
+ * freed when the initdata is freed.
+ */
+ arch_mem_addpart(PFN_DOWN(__pa_symbol(&_text)) << PAGE_SHIFT,
+ PFN_UP(__pa_symbol(&_edata)) << PAGE_SHIFT,
+ BOOT_MEM_RAM);
+ arch_mem_addpart(PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT,
+ PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT,
+ BOOT_MEM_INIT_RAM);
+
+ pr_info("Determined physical RAM map:\n");
+ print_memory_map();
+
#if defined(CONFIG_CMDLINE_BOOL) && defined(CONFIG_CMDLINE_OVERRIDE)
strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE);
#else
@@ -862,26 +890,6 @@ static void __init arch_mem_init(char **cmdline_p)
}
#endif
#endif
-
- /* call board setup routine */
- plat_mem_setup();
-
- /*
- * Make sure all kernel memory is in the maps. The "UP" and
- * "DOWN" are opposite for initdata since if it crosses over
- * into another memory section you don't want that to be
- * freed when the initdata is freed.
- */
- arch_mem_addpart(PFN_DOWN(__pa_symbol(&_text)) << PAGE_SHIFT,
- PFN_UP(__pa_symbol(&_edata)) << PAGE_SHIFT,
- BOOT_MEM_RAM);
- arch_mem_addpart(PFN_UP(__pa_symbol(&__init_begin)) << PAGE_SHIFT,
- PFN_DOWN(__pa_symbol(&__init_end)) << PAGE_SHIFT,
- BOOT_MEM_INIT_RAM);
-
- pr_info("Determined physical RAM map:\n");
- print_memory_map();
-
strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);

*cmdline_p = command_line;
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index 8f845f6e5f42..48a9c6b90e07 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -15,6 +15,7 @@
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/random.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/timekeeper_internal.h>
@@ -97,6 +98,21 @@ void update_vsyscall_tz(void)
}
}

+static unsigned long vdso_base(void)
+{
+ unsigned long base;
+
+ /* Skip the delay slot emulation page */
+ base = STACK_TOP + PAGE_SIZE;
+
+ if (current->flags & PF_RANDOMIZE) {
+ base += get_random_int() & (VDSO_RANDOMIZE_SIZE - 1);
+ base = PAGE_ALIGN(base);
+ }
+
+ return base;
+}
+
int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
{
struct mips_vdso_image *image = current->thread.abi->vdso;
@@ -137,7 +153,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
if (cpu_has_dc_aliases)
size += shm_align_mask + 1;

- base = get_unmapped_area(NULL, 0, size, 0, 0);
+ base = get_unmapped_area(NULL, vdso_base(), size, 0, 0);
if (IS_ERR_VALUE(base)) {
ret = base;
goto out;
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 42aafba7a308..9532dff28091 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -104,7 +104,7 @@
*/
#define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
_PAGE_ACCESSED | H_PAGE_THP_HUGE | _PAGE_PTE | \
- _PAGE_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)
/*
* user access blocked by key
*/
@@ -122,7 +122,7 @@
*/
#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
_PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \
- _PAGE_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)

#define H_PTE_PKEY (H_PTE_PKEY_BIT0 | H_PTE_PKEY_BIT1 | H_PTE_PKEY_BIT2 | \
H_PTE_PKEY_BIT3 | H_PTE_PKEY_BIT4)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 7efc42538ccf..26d927bf2fdb 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -538,8 +538,8 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned long ea, unsigned long dsisr)
{
struct kvm *kvm = vcpu->kvm;
- unsigned long mmu_seq, pte_size;
- unsigned long gpa, gfn, hva, pfn;
+ unsigned long mmu_seq;
+ unsigned long gpa, gfn, hva;
struct kvm_memory_slot *memslot;
struct page *page = NULL;
long ret;
@@ -636,9 +636,10 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
*/
hva = gfn_to_hva_memslot(memslot, gfn);
if (upgrade_p && __get_user_pages_fast(hva, 1, 1, &page) == 1) {
- pfn = page_to_pfn(page);
upgrade_write = true;
} else {
+ unsigned long pfn;
+
/* Call KVM generic code to do the slow-path check */
pfn = __gfn_to_pfn_memslot(memslot, gfn, false, NULL,
writing, upgrade_p);
@@ -652,63 +653,55 @@ int kvmppc_book3s_radix_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
}

- /* See if we can insert a 1GB or 2MB large PTE here */
- level = 0;
- if (page && PageCompound(page)) {
- pte_size = PAGE_SIZE << compound_order(compound_head(page));
- if (pte_size >= PUD_SIZE &&
- (gpa & (PUD_SIZE - PAGE_SIZE)) ==
- (hva & (PUD_SIZE - PAGE_SIZE))) {
- level = 2;
- pfn &= ~((PUD_SIZE >> PAGE_SHIFT) - 1);
- } else if (pte_size >= PMD_SIZE &&
- (gpa & (PMD_SIZE - PAGE_SIZE)) ==
- (hva & (PMD_SIZE - PAGE_SIZE))) {
- level = 1;
- pfn &= ~((PMD_SIZE >> PAGE_SHIFT) - 1);
- }
- }
-
/*
- * Compute the PTE value that we need to insert.
+ * Read the PTE from the process' radix tree and use that
+ * so we get the shift and attribute bits.
*/
- if (page) {
- pgflags = _PAGE_READ | _PAGE_EXEC | _PAGE_PRESENT | _PAGE_PTE |
- _PAGE_ACCESSED;
- if (writing || upgrade_write)
- pgflags |= _PAGE_WRITE | _PAGE_DIRTY;
- pte = pfn_pte(pfn, __pgprot(pgflags));
- } else {
- /*
- * Read the PTE from the process' radix tree and use that
- * so we get the attribute bits.
- */
- local_irq_disable();
- ptep = __find_linux_pte(vcpu->arch.pgdir, hva, NULL, &shift);
- pte = *ptep;
+ local_irq_disable();
+ ptep = __find_linux_pte(vcpu->arch.pgdir, hva, NULL, &shift);
+ /*
+ * If the PTE disappeared temporarily due to a THP
+ * collapse, just return and let the guest try again.
+ */
+ if (!ptep) {
local_irq_enable();
- if (shift == PUD_SHIFT &&
- (gpa & (PUD_SIZE - PAGE_SIZE)) ==
- (hva & (PUD_SIZE - PAGE_SIZE))) {
- level = 2;
- } else if (shift == PMD_SHIFT &&
- (gpa & (PMD_SIZE - PAGE_SIZE)) ==
- (hva & (PMD_SIZE - PAGE_SIZE))) {
- level = 1;
- } else if (shift && shift != PAGE_SHIFT) {
- /* Adjust PFN */
- unsigned long mask = (1ul << shift) - PAGE_SIZE;
- pte = __pte(pte_val(pte) | (hva & mask));
- }
- pte = __pte(pte_val(pte) | _PAGE_EXEC | _PAGE_ACCESSED);
- if (writing || upgrade_write) {
- if (pte_val(pte) & _PAGE_WRITE)
- pte = __pte(pte_val(pte) | _PAGE_DIRTY);
- } else {
- pte = __pte(pte_val(pte) & ~(_PAGE_WRITE | _PAGE_DIRTY));
+ if (page)
+ put_page(page);
+ return RESUME_GUEST;
+ }
+ pte = *ptep;
+ local_irq_enable();
+
+ /* Get pte level from shift/size */
+ if (shift == PUD_SHIFT &&
+ (gpa & (PUD_SIZE - PAGE_SIZE)) ==
+ (hva & (PUD_SIZE - PAGE_SIZE))) {
+ level = 2;
+ } else if (shift == PMD_SHIFT &&
+ (gpa & (PMD_SIZE - PAGE_SIZE)) ==
+ (hva & (PMD_SIZE - PAGE_SIZE))) {
+ level = 1;
+ } else {
+ level = 0;
+ if (shift > PAGE_SHIFT) {
+ /*
+ * If the pte maps more than one page, bring over
+ * bits from the virtual address to get the real
+ * address of the specific single page we want.
+ */
+ unsigned long rpnmask = (1ul << shift) - PAGE_SIZE;
+ pte = __pte(pte_val(pte) | (hva & rpnmask));
}
}

+ pte = __pte(pte_val(pte) | _PAGE_EXEC | _PAGE_ACCESSED);
+ if (writing || upgrade_write) {
+ if (pte_val(pte) & _PAGE_WRITE)
+ pte = __pte(pte_val(pte) | _PAGE_DIRTY);
+ } else {
+ pte = __pte(pte_val(pte) & ~(_PAGE_WRITE | _PAGE_DIRTY));
+ }
+
/* Allocate space in the tree and write the PTE */
ret = kvmppc_create_pte(kvm, pte, gpa, level, mmu_seq);

diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 99fff853c944..a558381b016b 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -123,7 +123,7 @@
*/
#define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \
_PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY | \
- _PAGE_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)
#define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE)

/*
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index c535c2fdea13..9bba9737ee0b 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -377,5 +377,6 @@ struct kvm_sync_regs {

#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
+#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)

#endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index b5cd8465d44f..83c4e8cc7eb9 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1291,9 +1291,8 @@ EXPORT_SYMBOL_GPL(kvm_lapic_reg_read);

static int apic_mmio_in_range(struct kvm_lapic *apic, gpa_t addr)
{
- return kvm_apic_hw_enabled(apic) &&
- addr >= apic->base_address &&
- addr < apic->base_address + LAPIC_MMIO_LENGTH;
+ return addr >= apic->base_address &&
+ addr < apic->base_address + LAPIC_MMIO_LENGTH;
}

static int apic_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *this,
@@ -1305,6 +1304,15 @@ static int apic_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *this,
if (!apic_mmio_in_range(apic, address))
return -EOPNOTSUPP;

+ if (!kvm_apic_hw_enabled(apic) || apic_x2apic_mode(apic)) {
+ if (!kvm_check_has_quirk(vcpu->kvm,
+ KVM_X86_QUIRK_LAPIC_MMIO_HOLE))
+ return -EOPNOTSUPP;
+
+ memset(data, 0xff, len);
+ return 0;
+ }
+
kvm_lapic_reg_read(apic, offset, len, data);

return 0;
@@ -1864,6 +1872,14 @@ static int apic_mmio_write(struct kvm_vcpu *vcpu, struct kvm_io_device *this,
if (!apic_mmio_in_range(apic, address))
return -EOPNOTSUPP;

+ if (!kvm_apic_hw_enabled(apic) || apic_x2apic_mode(apic)) {
+ if (!kvm_check_has_quirk(vcpu->kvm,
+ KVM_X86_QUIRK_LAPIC_MMIO_HOLE))
+ return -EOPNOTSUPP;
+
+ return 0;
+ }
+
/*
* APIC register must be aligned on 128-bits boundary.
* 32/64/128 bits registers must be accessed thru 32 bits.
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 963bb0309e25..ea6238ed5c0e 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -543,6 +543,8 @@ static void hci_uart_tty_close(struct tty_struct *tty)
}
clear_bit(HCI_UART_PROTO_SET, &hu->flags);

+ percpu_free_rwsem(&hu->proto_lock);
+
kfree(hu);
}

diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c
index 08ef69945ffb..d977193842df 100644
--- a/drivers/clk/x86/clk-pmc-atom.c
+++ b/drivers/clk/x86/clk-pmc-atom.c
@@ -55,6 +55,7 @@ struct clk_plt_data {
u8 nparents;
struct clk_plt *clks[PMC_CLK_NUM];
struct clk_lookup *mclk_lookup;
+ struct clk_lookup *ether_clk_lookup;
};

/* Return an index in parent table */
@@ -186,13 +187,6 @@ static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id,
pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE;
spin_lock_init(&pclk->lock);

- /*
- * If the clock was already enabled by the firmware mark it as critical
- * to avoid it being gated by the clock framework if no driver owns it.
- */
- if (plt_clk_is_enabled(&pclk->hw))
- init.flags |= CLK_IS_CRITICAL;
-
ret = devm_clk_hw_register(&pdev->dev, &pclk->hw);
if (ret) {
pclk = ERR_PTR(ret);
@@ -351,11 +345,20 @@ static int plt_clk_probe(struct platform_device *pdev)
goto err_unreg_clk_plt;
}

+ data->ether_clk_lookup = clkdev_hw_create(&data->clks[4]->hw,
+ "ether_clk", NULL);
+ if (!data->ether_clk_lookup) {
+ err = -ENOMEM;
+ goto err_drop_mclk;
+ }
+
plt_clk_free_parent_names_loop(parent_names, data->nparents);

platform_set_drvdata(pdev, data);
return 0;

+err_drop_mclk:
+ clkdev_drop(data->mclk_lookup);
err_unreg_clk_plt:
plt_clk_unregister_loop(data, i);
plt_clk_unregister_parents(data);
@@ -369,6 +372,7 @@ static int plt_clk_remove(struct platform_device *pdev)

data = platform_get_drvdata(pdev);

+ clkdev_drop(data->ether_clk_lookup);
clkdev_drop(data->mclk_lookup);
plt_clk_unregister_loop(data, PMC_CLK_NUM);
plt_clk_unregister_parents(data);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 305143fcc1ce..1ac7933cccc5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -245,7 +245,7 @@ int amdgpu_amdkfd_resume(struct amdgpu_device *adev)

int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
- void **cpu_ptr)
+ void **cpu_ptr, bool mqd_gfx9)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
struct amdgpu_bo *bo = NULL;
@@ -261,6 +261,10 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
bp.type = ttm_bo_type_kernel;
bp.resv = NULL;
+
+ if (mqd_gfx9)
+ bp.flags |= AMDGPU_GEM_CREATE_MQD_GFX9;
+
r = amdgpu_bo_create(adev, &bp, &bo);
if (r) {
dev_err(adev->dev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index a8418a3f4e9d..e3cf1c9fb3db 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -129,7 +129,7 @@ bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid);
/* Shared API */
int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
- void **cpu_ptr);
+ void **cpu_ptr, bool mqd_gfx9);
void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
void get_local_mem_info(struct kgd_dev *kgd,
struct kfd_local_mem_info *mem_info);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index ea79908dac4c..29a260e4aefe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -677,7 +677,7 @@ static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,

while (true) {
temp = RREG32(sdma_base_addr + mmSDMA0_RLC0_CONTEXT_STATUS);
- if (temp & SDMA0_STATUS_REG__RB_CMD_IDLE__SHIFT)
+ if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
break;
if (time_after(jiffies, end_jiffies))
return -ETIME;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 7ee6cec2c060..6881b5a9275f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -423,7 +423,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,

if (kfd->kfd2kgd->init_gtt_mem_allocation(
kfd->kgd, size, &kfd->gtt_mem,
- &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr)){
+ &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr,
+ false)) {
dev_err(kfd_device, "Could not allocate %d bytes\n", size);
goto out;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
index c71817963eea..66c2f856d922 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
@@ -62,9 +62,20 @@ int kfd_iommu_device_init(struct kfd_dev *kfd)
struct amd_iommu_device_info iommu_info;
unsigned int pasid_limit;
int err;
+ struct kfd_topology_device *top_dev;

- if (!kfd->device_info->needs_iommu_device)
+ top_dev = kfd_topology_device_by_id(kfd->id);
+
+ /*
+ * Overwrite ATS capability according to needs_iommu_device to fix
+ * potential missing corresponding bit in CRAT of BIOS.
+ */
+ if (!kfd->device_info->needs_iommu_device) {
+ top_dev->node_props.capability &= ~HSA_CAP_ATS_PRESENT;
return 0;
+ }
+
+ top_dev->node_props.capability |= HSA_CAP_ATS_PRESENT;

iommu_info.flags = 0;
err = amd_iommu_device_info(kfd->pdev, &iommu_info);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
index 684054ff02cd..8da079cc6fb9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c
@@ -63,7 +63,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
ALIGN(sizeof(struct v9_mqd), PAGE_SIZE),
&((*mqd_mem_obj)->gtt_mem),
&((*mqd_mem_obj)->gpu_addr),
- (void *)&((*mqd_mem_obj)->cpu_ptr));
+ (void *)&((*mqd_mem_obj)->cpu_ptr), true);
} else
retval = kfd_gtt_sa_allocate(mm->dev, sizeof(struct v9_mqd),
mqd_mem_obj);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 5e3990bb4c4b..c4de9b2baf1c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -796,6 +796,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu);
int kfd_topology_remove_device(struct kfd_dev *gpu);
struct kfd_topology_device *kfd_topology_device_by_proximity_domain(
uint32_t proximity_domain);
+struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id);
struct kfd_dev *kfd_device_by_id(uint32_t gpu_id);
struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev);
int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_dev **kdev);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index bc95d4dfee2e..80f5db4ef75f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -63,22 +63,33 @@ struct kfd_topology_device *kfd_topology_device_by_proximity_domain(
return device;
}

-struct kfd_dev *kfd_device_by_id(uint32_t gpu_id)
+struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id)
{
- struct kfd_topology_device *top_dev;
- struct kfd_dev *device = NULL;
+ struct kfd_topology_device *top_dev = NULL;
+ struct kfd_topology_device *ret = NULL;

down_read(&topology_lock);

list_for_each_entry(top_dev, &topology_device_list, list)
if (top_dev->gpu_id == gpu_id) {
- device = top_dev->gpu;
+ ret = top_dev;
break;
}

up_read(&topology_lock);

- return device;
+ return ret;
+}
+
+struct kfd_dev *kfd_device_by_id(uint32_t gpu_id)
+{
+ struct kfd_topology_device *top_dev;
+
+ top_dev = kfd_topology_device_by_id(gpu_id);
+ if (!top_dev)
+ return NULL;
+
+ return top_dev->gpu;
}

struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev)
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 5733fbee07f7..f56b7553e5ed 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -266,7 +266,7 @@ struct tile_config {
struct kfd2kgd_calls {
int (*init_gtt_mem_allocation)(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
- void **cpu_ptr);
+ void **cpu_ptr, bool mqd_gfx9);

void (*free_gtt_mem)(struct kgd_dev *kgd, void *mem_obj);

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 7a12d75e5157..c3c8c84da113 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -875,9 +875,22 @@ static enum drm_connector_status
nv50_mstc_detect(struct drm_connector *connector, bool force)
{
struct nv50_mstc *mstc = nv50_mstc(connector);
+ enum drm_connector_status conn_status;
+ int ret;
+
if (!mstc->port)
return connector_status_disconnected;
- return drm_dp_mst_detect_port(connector, mstc->port->mgr, mstc->port);
+
+ ret = pm_runtime_get_sync(connector->dev->dev);
+ if (ret < 0 && ret != -EACCES)
+ return connector_status_disconnected;
+
+ conn_status = drm_dp_mst_detect_port(connector, mstc->port->mgr,
+ mstc->port);
+
+ pm_runtime_mark_last_busy(connector->dev->dev);
+ pm_runtime_put_autosuspend(connector->dev->dev);
+ return conn_status;
}

static void
diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.c b/drivers/gpu/drm/pl111/pl111_vexpress.c
index a534b225e31b..5fa0441bb6df 100644
--- a/drivers/gpu/drm/pl111/pl111_vexpress.c
+++ b/drivers/gpu/drm/pl111/pl111_vexpress.c
@@ -111,7 +111,8 @@ static int vexpress_muxfpga_probe(struct platform_device *pdev)
}

static const struct of_device_id vexpress_muxfpga_match[] = {
- { .compatible = "arm,vexpress-muxfpga", }
+ { .compatible = "arm,vexpress-muxfpga", },
+ {}
};

static struct platform_driver vexpress_muxfpga_driver = {
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index b89e8379d898..8859f5572885 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -207,8 +207,6 @@ superio_exit(int ioreg)

#define NUM_FAN 7

-#define TEMP_SOURCE_VIRTUAL 0x1f
-
/* Common and NCT6775 specific data */

/* Voltage min/max registers for nr=7..14 are in bank 5 */
@@ -299,8 +297,9 @@ static const u16 NCT6775_REG_PWM_READ[] = {

static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d };
-static const u16 NCT6775_REG_FAN_PULSES[] = { 0x641, 0x642, 0x643, 0x644, 0 };
-static const u16 NCT6775_FAN_PULSE_SHIFT[] = { 0, 0, 0, 0, 0, 0 };
+static const u16 NCT6775_REG_FAN_PULSES[NUM_FAN] = {
+ 0x641, 0x642, 0x643, 0x644 };
+static const u16 NCT6775_FAN_PULSE_SHIFT[NUM_FAN] = { };

static const u16 NCT6775_REG_TEMP[] = {
0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d };
@@ -373,6 +372,7 @@ static const char *const nct6775_temp_label[] = {
};

#define NCT6775_TEMP_MASK 0x001ffffe
+#define NCT6775_VIRT_TEMP_MASK 0x00000000

static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = {
[13] = 0x661,
@@ -425,8 +425,8 @@ static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 };

static const u16 NCT6776_REG_FAN_MIN[] = {
0x63a, 0x63c, 0x63e, 0x640, 0x642, 0x64a, 0x64c };
-static const u16 NCT6776_REG_FAN_PULSES[] = {
- 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0 };
+static const u16 NCT6776_REG_FAN_PULSES[NUM_FAN] = {
+ 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 };

static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = {
0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e };
@@ -461,6 +461,7 @@ static const char *const nct6776_temp_label[] = {
};

#define NCT6776_TEMP_MASK 0x007ffffe
+#define NCT6776_VIRT_TEMP_MASK 0x00000000

static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = {
[14] = 0x401,
@@ -501,9 +502,9 @@ static const s8 NCT6779_BEEP_BITS[] = {
30, 31 }; /* intrusion0, intrusion1 */

static const u16 NCT6779_REG_FAN[] = {
- 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8, 0x4ba, 0x660 };
-static const u16 NCT6779_REG_FAN_PULSES[] = {
- 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0 };
+ 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8, 0x4ca, 0x4ce };
+static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = {
+ 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 };

static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = {
0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 };
@@ -559,7 +560,9 @@ static const char *const nct6779_temp_label[] = {
};

#define NCT6779_TEMP_MASK 0x07ffff7e
+#define NCT6779_VIRT_TEMP_MASK 0x00000000
#define NCT6791_TEMP_MASK 0x87ffff7e
+#define NCT6791_VIRT_TEMP_MASK 0x80000000

static const u16 NCT6779_REG_TEMP_ALTERNATE[32]
= { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0,
@@ -638,6 +641,7 @@ static const char *const nct6792_temp_label[] = {
};

#define NCT6792_TEMP_MASK 0x9fffff7e
+#define NCT6792_VIRT_TEMP_MASK 0x80000000

static const char *const nct6793_temp_label[] = {
"",
@@ -675,6 +679,7 @@ static const char *const nct6793_temp_label[] = {
};

#define NCT6793_TEMP_MASK 0xbfff037e
+#define NCT6793_VIRT_TEMP_MASK 0x80000000

static const char *const nct6795_temp_label[] = {
"",
@@ -712,6 +717,7 @@ static const char *const nct6795_temp_label[] = {
};

#define NCT6795_TEMP_MASK 0xbfffff7e
+#define NCT6795_VIRT_TEMP_MASK 0x80000000

static const char *const nct6796_temp_label[] = {
"",
@@ -724,8 +730,8 @@ static const char *const nct6796_temp_label[] = {
"AUXTIN4",
"SMBUSMASTER 0",
"SMBUSMASTER 1",
- "",
- "",
+ "Virtual_TEMP",
+ "Virtual_TEMP",
"",
"",
"",
@@ -748,7 +754,8 @@ static const char *const nct6796_temp_label[] = {
"Virtual_TEMP"
};

-#define NCT6796_TEMP_MASK 0xbfff03fe
+#define NCT6796_TEMP_MASK 0xbfff0ffe
+#define NCT6796_VIRT_TEMP_MASK 0x80000c00

/* NCT6102D/NCT6106D specific data */

@@ -779,8 +786,8 @@ static const u16 NCT6106_REG_TEMP_CONFIG[] = {

static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 };
static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 };
-static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0, 0 };
-static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4, 0, 0 };
+static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6 };
+static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4 };

static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 };
static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 };
@@ -917,6 +924,11 @@ static unsigned int fan_from_reg16(u16 reg, unsigned int divreg)
return 1350000U / (reg << divreg);
}

+static unsigned int fan_from_reg_rpm(u16 reg, unsigned int divreg)
+{
+ return reg;
+}
+
static u16 fan_to_reg(u32 fan, unsigned int divreg)
{
if (!fan)
@@ -969,6 +981,7 @@ struct nct6775_data {
u16 reg_temp_config[NUM_TEMP];
const char * const *temp_label;
u32 temp_mask;
+ u32 virt_temp_mask;

u16 REG_CONFIG;
u16 REG_VBAT;
@@ -1276,11 +1289,11 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg)
case nct6795:
case nct6796:
return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
- ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||
+ (reg & 0xfff0) == 0x4c0 ||
reg == 0x402 ||
reg == 0x63a || reg == 0x63c || reg == 0x63e ||
reg == 0x640 || reg == 0x642 || reg == 0x64a ||
- reg == 0x64c || reg == 0x660 ||
+ reg == 0x64c ||
reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 ||
reg == 0x7b || reg == 0x7d;
}
@@ -1682,9 +1695,13 @@ static struct nct6775_data *nct6775_update_device(struct device *dev)
if (data->has_fan_min & BIT(i))
data->fan_min[i] = nct6775_read_value(data,
data->REG_FAN_MIN[i]);
- data->fan_pulses[i] =
- (nct6775_read_value(data, data->REG_FAN_PULSES[i])
- >> data->FAN_PULSE_SHIFT[i]) & 0x03;
+
+ if (data->REG_FAN_PULSES[i]) {
+ data->fan_pulses[i] =
+ (nct6775_read_value(data,
+ data->REG_FAN_PULSES[i])
+ >> data->FAN_PULSE_SHIFT[i]) & 0x03;
+ }

nct6775_select_fan_div(dev, data, i, reg);
}
@@ -3639,6 +3656,7 @@ static int nct6775_probe(struct platform_device *pdev)

data->temp_label = nct6776_temp_label;
data->temp_mask = NCT6776_TEMP_MASK;
+ data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK;

data->REG_VBAT = NCT6106_REG_VBAT;
data->REG_DIODE = NCT6106_REG_DIODE;
@@ -3717,6 +3735,7 @@ static int nct6775_probe(struct platform_device *pdev)

data->temp_label = nct6775_temp_label;
data->temp_mask = NCT6775_TEMP_MASK;
+ data->virt_temp_mask = NCT6775_VIRT_TEMP_MASK;

data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
@@ -3789,6 +3808,7 @@ static int nct6775_probe(struct platform_device *pdev)

data->temp_label = nct6776_temp_label;
data->temp_mask = NCT6776_TEMP_MASK;
+ data->virt_temp_mask = NCT6776_VIRT_TEMP_MASK;

data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
@@ -3853,7 +3873,7 @@ static int nct6775_probe(struct platform_device *pdev)
data->ALARM_BITS = NCT6779_ALARM_BITS;
data->BEEP_BITS = NCT6779_BEEP_BITS;

- data->fan_from_reg = fan_from_reg13;
+ data->fan_from_reg = fan_from_reg_rpm;
data->fan_from_reg_min = fan_from_reg13;
data->target_temp_mask = 0xff;
data->tolerance_mask = 0x07;
@@ -3861,6 +3881,7 @@ static int nct6775_probe(struct platform_device *pdev)

data->temp_label = nct6779_temp_label;
data->temp_mask = NCT6779_TEMP_MASK;
+ data->virt_temp_mask = NCT6779_VIRT_TEMP_MASK;

data->REG_CONFIG = NCT6775_REG_CONFIG;
data->REG_VBAT = NCT6775_REG_VBAT;
@@ -3933,7 +3954,7 @@ static int nct6775_probe(struct platform_device *pdev)
data->ALARM_BITS = NCT6791_ALARM_BITS;
data->BEEP_BITS = NCT6779_BEEP_BITS;

- data->fan_from_reg = fan_from_reg13;
+ data->fan_from_reg = fan_from_reg_rpm;
data->fan_from_reg_min = fan_from_reg13;
data->target_temp_mask = 0xff;
data->tolerance_mask = 0x07;
@@ -3944,22 +3965,27 @@ static int nct6775_probe(struct platform_device *pdev)
case nct6791:
data->temp_label = nct6779_temp_label;
data->temp_mask = NCT6791_TEMP_MASK;
+ data->virt_temp_mask = NCT6791_VIRT_TEMP_MASK;
break;
case nct6792:
data->temp_label = nct6792_temp_label;
data->temp_mask = NCT6792_TEMP_MASK;
+ data->virt_temp_mask = NCT6792_VIRT_TEMP_MASK;
break;
case nct6793:
data->temp_label = nct6793_temp_label;
data->temp_mask = NCT6793_TEMP_MASK;
+ data->virt_temp_mask = NCT6793_VIRT_TEMP_MASK;
break;
case nct6795:
data->temp_label = nct6795_temp_label;
data->temp_mask = NCT6795_TEMP_MASK;
+ data->virt_temp_mask = NCT6795_VIRT_TEMP_MASK;
break;
case nct6796:
data->temp_label = nct6796_temp_label;
data->temp_mask = NCT6796_TEMP_MASK;
+ data->virt_temp_mask = NCT6796_VIRT_TEMP_MASK;
break;
}

@@ -4143,7 +4169,7 @@ static int nct6775_probe(struct platform_device *pdev)
* for each fan reflects a different temperature, and there
* are no duplicates.
*/
- if (src != TEMP_SOURCE_VIRTUAL) {
+ if (!(data->virt_temp_mask & BIT(src))) {
if (mask & BIT(src))
continue;
mask |= BIT(src);
diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c
index a01389b85f13..7e9a2bbf5ddc 100644
--- a/drivers/i2c/busses/i2c-scmi.c
+++ b/drivers/i2c/busses/i2c-scmi.c
@@ -152,6 +152,7 @@ acpi_smbus_cmi_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
mt_params[3].type = ACPI_TYPE_INTEGER;
mt_params[3].integer.value = len;
mt_params[4].type = ACPI_TYPE_BUFFER;
+ mt_params[4].buffer.length = len;
mt_params[4].buffer.pointer = data->block + 1;
}
break;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index cd620e009bad..d4b9db487b16 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -231,6 +231,7 @@ static const struct xpad_device {
{ 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
+ { 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
@@ -530,6 +531,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2),
XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init1),
XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init2),
+ XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init1),
+ XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init2),
XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index a39ae8f45e32..32379e0ac536 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -3492,14 +3492,13 @@ static int __init dm_cache_init(void)
int r;

migration_cache = KMEM_CACHE(dm_cache_migration, 0);
- if (!migration_cache) {
- dm_unregister_target(&cache_target);
+ if (!migration_cache)
return -ENOMEM;
- }

r = dm_register_target(&cache_target);
if (r) {
DMERR("cache target registration failed: %d", r);
+ kmem_cache_destroy(migration_cache);
return r;
}

diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 21d126a5078c..32aabe27b37c 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -467,7 +467,9 @@ static int flakey_iterate_devices(struct dm_target *ti, iterate_devices_callout_
static struct target_type flakey_target = {
.name = "flakey",
.version = {1, 5, 0},
+#ifdef CONFIG_BLK_DEV_ZONED
.features = DM_TARGET_ZONED_HM,
+#endif
.module = THIS_MODULE,
.ctr = flakey_ctr,
.dtr = flakey_dtr,
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index d10964d41fd7..2f7c44a006c4 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -102,6 +102,7 @@ static int linear_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}

+#ifdef CONFIG_BLK_DEV_ZONED
static int linear_end_io(struct dm_target *ti, struct bio *bio,
blk_status_t *error)
{
@@ -112,6 +113,7 @@ static int linear_end_io(struct dm_target *ti, struct bio *bio,

return DM_ENDIO_DONE;
}
+#endif

static void linear_status(struct dm_target *ti, status_type_t type,
unsigned status_flags, char *result, unsigned maxlen)
@@ -208,12 +210,16 @@ static size_t linear_dax_copy_to_iter(struct dm_target *ti, pgoff_t pgoff,
static struct target_type linear_target = {
.name = "linear",
.version = {1, 4, 0},
+#ifdef CONFIG_BLK_DEV_ZONED
+ .end_io = linear_end_io,
.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_ZONED_HM,
+#else
+ .features = DM_TARGET_PASSES_INTEGRITY,
+#endif
.module = THIS_MODULE,
.ctr = linear_ctr,
.dtr = linear_dtr,
.map = linear_map,
- .end_io = linear_end_io,
.status = linear_status,
.prepare_ioctl = linear_prepare_ioctl,
.iterate_devices = linear_iterate_devices,
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index b0dd7027848b..4ad8312d5b8d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1153,12 +1153,14 @@ void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors)
EXPORT_SYMBOL_GPL(dm_accept_partial_bio);

/*
- * The zone descriptors obtained with a zone report indicate
- * zone positions within the target device. The zone descriptors
- * must be remapped to match their position within the dm device.
- * A target may call dm_remap_zone_report after completion of a
- * REQ_OP_ZONE_REPORT bio to remap the zone descriptors obtained
- * from the target device mapping to the dm device.
+ * The zone descriptors obtained with a zone report indicate zone positions
+ * within the target backing device, regardless of that device is a partition
+ * and regardless of the target mapping start sector on the device or partition.
+ * The zone descriptors start sector and write pointer position must be adjusted
+ * to match their relative position within the dm device.
+ * A target may call dm_remap_zone_report() after completion of a
+ * REQ_OP_ZONE_REPORT bio to remap the zone descriptors obtained from the
+ * backing device.
*/
void dm_remap_zone_report(struct dm_target *ti, struct bio *bio, sector_t start)
{
@@ -1169,6 +1171,7 @@ void dm_remap_zone_report(struct dm_target *ti, struct bio *bio, sector_t start)
struct blk_zone *zone;
unsigned int nr_rep = 0;
unsigned int ofst;
+ sector_t part_offset;
struct bio_vec bvec;
struct bvec_iter iter;
void *addr;
@@ -1176,6 +1179,15 @@ void dm_remap_zone_report(struct dm_target *ti, struct bio *bio, sector_t start)
if (bio->bi_status)
return;

+ /*
+ * bio sector was incremented by the request size on completion. Taking
+ * into account the original request sector, the target start offset on
+ * the backing device and the target mapping offset (ti->begin), the
+ * start sector of the backing device. The partition offset is always 0
+ * if the target uses a whole device.
+ */
+ part_offset = bio->bi_iter.bi_sector + ti->begin - (start + bio_end_sector(report_bio));
+
/*
* Remap the start sector of the reported zones. For sequential zones,
* also remap the write pointer position.
@@ -1193,6 +1205,7 @@ void dm_remap_zone_report(struct dm_target *ti, struct bio *bio, sector_t start)
/* Set zones start sector */
while (hdr->nr_zones && ofst < bvec.bv_len) {
zone = addr + ofst;
+ zone->start -= part_offset;
if (zone->start >= start + ti->len) {
hdr->nr_zones = 0;
break;
@@ -1204,7 +1217,7 @@ void dm_remap_zone_report(struct dm_target *ti, struct bio *bio, sector_t start)
else if (zone->cond == BLK_ZONE_COND_EMPTY)
zone->wp = zone->start;
else
- zone->wp = zone->wp + ti->begin - start;
+ zone->wp = zone->wp + ti->begin - start - part_offset;
}
ofst += sizeof(struct blk_zone);
hdr->nr_zones--;
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index e11ab12fbdf2..800986a79704 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -528,8 +528,8 @@ static int usbhs_omap_get_dt_pdata(struct device *dev,
}

static const struct of_device_id usbhs_child_match_table[] = {
- { .compatible = "ti,omap-ehci", },
- { .compatible = "ti,omap-ohci", },
+ { .compatible = "ti,ehci-omap", },
+ { .compatible = "ti,ohci-omap3", },
{ }
};

@@ -855,6 +855,7 @@ static struct platform_driver usbhs_omap_driver = {
.pm = &usbhsomap_dev_pm_ops,
.of_match_table = usbhs_omap_dt_ids,
},
+ .probe = usbhs_omap_probe,
.remove = usbhs_omap_remove,
};

@@ -864,9 +865,9 @@ MODULE_ALIAS("platform:" USBHS_DRIVER_NAME);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("usb host common core driver for omap EHCI and OHCI");

-static int __init omap_usbhs_drvinit(void)
+static int omap_usbhs_drvinit(void)
{
- return platform_driver_probe(&usbhs_omap_driver, usbhs_omap_probe);
+ return platform_driver_register(&usbhs_omap_driver);
}

/*
@@ -878,7 +879,7 @@ static int __init omap_usbhs_drvinit(void)
*/
fs_initcall_sync(omap_usbhs_drvinit);

-static void __exit omap_usbhs_drvexit(void)
+static void omap_usbhs_drvexit(void)
{
platform_driver_unregister(&usbhs_omap_driver);
}
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index a0b9102c4c6e..e201ccb3fda4 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1370,6 +1370,16 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq,
brq->data.blocks = card->host->max_blk_count;

if (brq->data.blocks > 1) {
+ /*
+ * Some SD cards in SPI mode return a CRC error or even lock up
+ * completely when trying to read the last block using a
+ * multiblock read command.
+ */
+ if (mmc_host_is_spi(card->host) && (rq_data_dir(req) == READ) &&
+ (blk_rq_pos(req) + blk_rq_sectors(req) ==
+ get_capacity(md->disk)))
+ brq->data.blocks--;
+
/*
* After a read error, we redo the request one sector
* at a time in order to accurately determine which
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 217b790d22ed..2b01180be834 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -210,6 +210,7 @@ static void bond_get_stats(struct net_device *bond_dev,
static void bond_slave_arr_handler(struct work_struct *work);
static bool bond_time_in_interval(struct bonding *bond, unsigned long last_act,
int mod);
+static void bond_netdev_notify_work(struct work_struct *work);

/*---------------------------- General routines -----------------------------*/

@@ -1177,9 +1178,27 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
}
}

- /* don't change skb->dev for link-local packets */
- if (is_link_local_ether_addr(eth_hdr(skb)->h_dest))
+ /* Link-local multicast packets should be passed to the
+ * stack on the link they arrive as well as pass them to the
+ * bond-master device. These packets are mostly usable when
+ * stack receives it with the link on which they arrive
+ * (e.g. LLDP) they also must be available on master. Some of
+ * the use cases include (but are not limited to): LLDP agents
+ * that must be able to operate both on enslaved interfaces as
+ * well as on bonds themselves; linux bridges that must be able
+ * to process/pass BPDUs from attached bonds when any kind of
+ * STP version is enabled on the network.
+ */
+ if (is_link_local_ether_addr(eth_hdr(skb)->h_dest)) {
+ struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC);
+
+ if (nskb) {
+ nskb->dev = bond->dev;
+ nskb->queue_mapping = 0;
+ netif_rx(nskb);
+ }
return RX_HANDLER_PASS;
+ }
if (bond_should_deliver_exact_match(skb, slave, bond))
return RX_HANDLER_EXACT;

@@ -1276,6 +1295,8 @@ static struct slave *bond_alloc_slave(struct bonding *bond)
return NULL;
}
}
+ INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work);
+
return slave;
}

@@ -1283,6 +1304,7 @@ static void bond_free_slave(struct slave *slave)
{
struct bonding *bond = bond_get_bond_by_slave(slave);

+ cancel_delayed_work_sync(&slave->notify_work);
if (BOND_MODE(bond) == BOND_MODE_8023AD)
kfree(SLAVE_AD_INFO(slave));

@@ -1304,39 +1326,26 @@ static void bond_fill_ifslave(struct slave *slave, struct ifslave *info)
info->link_failure_count = slave->link_failure_count;
}

-static void bond_netdev_notify(struct net_device *dev,
- struct netdev_bonding_info *info)
-{
- rtnl_lock();
- netdev_bonding_info_change(dev, info);
- rtnl_unlock();
-}
-
static void bond_netdev_notify_work(struct work_struct *_work)
{
- struct netdev_notify_work *w =
- container_of(_work, struct netdev_notify_work, work.work);
+ struct slave *slave = container_of(_work, struct slave,
+ notify_work.work);
+
+ if (rtnl_trylock()) {
+ struct netdev_bonding_info binfo;

- bond_netdev_notify(w->dev, &w->bonding_info);
- dev_put(w->dev);
- kfree(w);
+ bond_fill_ifslave(slave, &binfo.slave);
+ bond_fill_ifbond(slave->bond, &binfo.master);
+ netdev_bonding_info_change(slave->dev, &binfo);
+ rtnl_unlock();
+ } else {
+ queue_delayed_work(slave->bond->wq, &slave->notify_work, 1);
+ }
}

void bond_queue_slave_event(struct slave *slave)
{
- struct bonding *bond = slave->bond;
- struct netdev_notify_work *nnw = kzalloc(sizeof(*nnw), GFP_ATOMIC);
-
- if (!nnw)
- return;
-
- dev_hold(slave->dev);
- nnw->dev = slave->dev;
- bond_fill_ifslave(slave, &nnw->bonding_info.slave);
- bond_fill_ifbond(bond, &nnw->bonding_info.master);
- INIT_DELAYED_WORK(&nnw->work, bond_netdev_notify_work);
-
- queue_delayed_work(slave->bond->wq, &nnw->work, 0);
+ queue_delayed_work(slave->bond->wq, &slave->notify_work, 0);
}

void bond_lower_state_changed(struct slave *slave)
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index d93c790bfbe8..ad534b90ef21 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1107,7 +1107,7 @@ void b53_vlan_add(struct dsa_switch *ds, int port,
b53_get_vlan_entry(dev, vid, vl);

vl->members |= BIT(port);
- if (untagged)
+ if (untagged && !dsa_is_cpu_port(ds, port))
vl->untag |= BIT(port);
else
vl->untag &= ~BIT(port);
@@ -1149,7 +1149,7 @@ int b53_vlan_del(struct dsa_switch *ds, int port,
pvid = 0;
}

- if (untagged)
+ if (untagged && !dsa_is_cpu_port(ds, port))
vl->untag &= ~(BIT(port));

b53_set_vlan_entry(dev, vid, vl);
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 02e8982519ce..d73204767cbe 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -698,7 +698,6 @@ static int bcm_sf2_sw_suspend(struct dsa_switch *ds)
static int bcm_sf2_sw_resume(struct dsa_switch *ds)
{
struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
- unsigned int port;
int ret;

ret = bcm_sf2_sw_rst(priv);
@@ -710,14 +709,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds)
if (priv->hw_params.num_gphy == 1)
bcm_sf2_gphy_enable_set(ds, true);

- for (port = 0; port < DSA_MAX_PORTS; port++) {
- if (dsa_is_user_port(ds, port))
- bcm_sf2_port_setup(ds, port, NULL);
- else if (dsa_is_cpu_port(ds, port))
- bcm_sf2_imp_setup(ds, port);
- }
-
- bcm_sf2_enable_acb(ds);
+ ds->ops->setup(ds);

return 0;
}
@@ -1168,10 +1160,10 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev)
{
struct bcm_sf2_priv *priv = platform_get_drvdata(pdev);

- /* Disable all ports and interrupts */
priv->wol_ports_mask = 0;
- bcm_sf2_sw_suspend(priv->dev->ds);
dsa_unregister_switch(priv->dev->ds);
+ /* Disable all ports and interrupts */
+ bcm_sf2_sw_suspend(priv->dev->ds);
bcm_sf2_mdio_unregister(priv);

return 0;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index b5f1f62e8e25..d1e1a0ba8615 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -225,9 +225,10 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
}

/* for single fragment packets use build_skb() */
- if (buff->is_eop) {
+ if (buff->is_eop &&
+ buff->len <= AQ_CFG_RX_FRAME_MAX - AQ_SKB_ALIGN) {
skb = build_skb(page_address(buff->page),
- buff->len + AQ_SKB_ALIGN);
+ AQ_CFG_RX_FRAME_MAX);
if (unlikely(!skb)) {
err = -ENOMEM;
goto err_exit;
@@ -247,18 +248,21 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
buff->len - ETH_HLEN,
SKB_TRUESIZE(buff->len - ETH_HLEN));

- for (i = 1U, next_ = buff->next,
- buff_ = &self->buff_ring[next_]; true;
- next_ = buff_->next,
- buff_ = &self->buff_ring[next_], ++i) {
- skb_add_rx_frag(skb, i, buff_->page, 0,
- buff_->len,
- SKB_TRUESIZE(buff->len -
- ETH_HLEN));
- buff_->is_cleaned = 1;
-
- if (buff_->is_eop)
- break;
+ if (!buff->is_eop) {
+ for (i = 1U, next_ = buff->next,
+ buff_ = &self->buff_ring[next_];
+ true; next_ = buff_->next,
+ buff_ = &self->buff_ring[next_], ++i) {
+ skb_add_rx_frag(skb, i,
+ buff_->page, 0,
+ buff_->len,
+ SKB_TRUESIZE(buff->len -
+ ETH_HLEN));
+ buff_->is_cleaned = 1;
+
+ if (buff_->is_eop)
+ break;
+ }
}
}

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index a1f60f89e059..7a03ee45840e 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1045,14 +1045,22 @@ static void bcm_sysport_resume_from_wol(struct bcm_sysport_priv *priv)
{
u32 reg;

- /* Stop monitoring MPD interrupt */
- intrl2_0_mask_set(priv, INTRL2_0_MPD);
-
/* Clear the MagicPacket detection logic */
reg = umac_readl(priv, UMAC_MPD_CTRL);
reg &= ~MPD_EN;
umac_writel(priv, reg, UMAC_MPD_CTRL);

+ reg = intrl2_0_readl(priv, INTRL2_CPU_STATUS);
+ if (reg & INTRL2_0_MPD)
+ netdev_info(priv->netdev, "Wake-on-LAN (MPD) interrupt!\n");
+
+ if (reg & INTRL2_0_BRCM_MATCH_TAG) {
+ reg = rxchk_readl(priv, RXCHK_BRCM_TAG_MATCH_STATUS) &
+ RXCHK_BRCM_TAG_MATCH_MASK;
+ netdev_info(priv->netdev,
+ "Wake-on-LAN (filters 0x%02x) interrupt!\n", reg);
+ }
+
netif_dbg(priv, wol, priv->netdev, "resumed from WOL\n");
}

@@ -1102,11 +1110,6 @@ static irqreturn_t bcm_sysport_rx_isr(int irq, void *dev_id)
if (priv->irq0_stat & INTRL2_0_TX_RING_FULL)
bcm_sysport_tx_reclaim_all(priv);

- if (priv->irq0_stat & INTRL2_0_MPD) {
- netdev_info(priv->netdev, "Wake-on-LAN interrupt!\n");
- bcm_sysport_resume_from_wol(priv);
- }
-
if (!priv->is_lite)
goto out;

@@ -2459,9 +2462,6 @@ static int bcm_sysport_suspend_to_wol(struct bcm_sysport_priv *priv)
/* UniMAC receive needs to be turned on */
umac_enable_set(priv, CMD_RX_EN, 1);

- /* Enable the interrupt wake-up source */
- intrl2_0_mask_clear(priv, INTRL2_0_MPD);
-
netif_dbg(priv, wol, ndev, "entered WOL mode\n");

return 0;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 80b05597c5fe..33f0861057fd 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1882,8 +1882,11 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
tx_pkts++;
/* return full budget so NAPI will complete. */
- if (unlikely(tx_pkts > bp->tx_wake_thresh))
+ if (unlikely(tx_pkts > bp->tx_wake_thresh)) {
rx_pkts = budget;
+ raw_cons = NEXT_RAW_CMP(raw_cons);
+ break;
+ }
} else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
if (likely(budget))
rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
@@ -1911,7 +1914,7 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
}
raw_cons = NEXT_RAW_CMP(raw_cons);

- if (rx_pkts == budget)
+ if (rx_pkts && rx_pkts == budget)
break;
}

@@ -2025,8 +2028,12 @@ static int bnxt_poll(struct napi_struct *napi, int budget)
while (1) {
work_done += bnxt_poll_work(bp, bnapi, budget - work_done);

- if (work_done >= budget)
+ if (work_done >= budget) {
+ if (!budget)
+ BNXT_CP_DB_REARM(cpr->cp_doorbell,
+ cpr->cp_raw_cons);
break;
+ }

if (!bnxt_has_work(bp, cpr)) {
if (napi_complete_done(napi, work_done))
@@ -3008,10 +3015,11 @@ static void bnxt_free_hwrm_resources(struct bnxt *bp)
{
struct pci_dev *pdev = bp->pdev;

- dma_free_coherent(&pdev->dev, PAGE_SIZE, bp->hwrm_cmd_resp_addr,
- bp->hwrm_cmd_resp_dma_addr);
-
- bp->hwrm_cmd_resp_addr = NULL;
+ if (bp->hwrm_cmd_resp_addr) {
+ dma_free_coherent(&pdev->dev, PAGE_SIZE, bp->hwrm_cmd_resp_addr,
+ bp->hwrm_cmd_resp_dma_addr);
+ bp->hwrm_cmd_resp_addr = NULL;
+ }
if (bp->hwrm_dbg_resp_addr) {
dma_free_coherent(&pdev->dev, HWRM_DBG_REG_BUF_SIZE,
bp->hwrm_dbg_resp_addr,
@@ -4643,7 +4651,7 @@ __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
enables |= ring_grps ?
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
- enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
+ enables |= vnics ? FUNC_CFG_REQ_ENABLES_NUM_VNICS : 0;

req->num_rx_rings = cpu_to_le16(rx_rings);
req->num_hw_ring_grps = cpu_to_le16(ring_grps);
@@ -8493,7 +8501,7 @@ static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx,
*max_tx = hw_resc->max_tx_rings;
*max_rx = hw_resc->max_rx_rings;
*max_cp = min_t(int, bnxt_get_max_func_cp_rings_for_en(bp),
- hw_resc->max_irqs);
+ hw_resc->max_irqs - bnxt_get_ulp_msix_num(bp));
*max_cp = min_t(int, *max_cp, hw_resc->max_stat_ctxs);
max_ring_grps = hw_resc->max_hw_ring_grps;
if (BNXT_CHIP_TYPE_NITRO_A0(bp) && BNXT_PF(bp)) {
@@ -8924,6 +8932,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
bnxt_clear_int_mode(bp);

init_err_pci_clean:
+ bnxt_free_hwrm_resources(bp);
bnxt_cleanup_pci(bp);

init_err_free:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
index d5bc72cecde3..3f896acc4ca8 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
@@ -98,13 +98,13 @@ static int bnxt_hwrm_queue_cos2bw_cfg(struct bnxt *bp, struct ieee_ets *ets,

bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_COS2BW_CFG, -1, -1);
for (i = 0; i < max_tc; i++) {
- u8 qidx;
+ u8 qidx = bp->tc_to_qidx[i];

req.enables |= cpu_to_le32(
- QUEUE_COS2BW_CFG_REQ_ENABLES_COS_QUEUE_ID0_VALID << i);
+ QUEUE_COS2BW_CFG_REQ_ENABLES_COS_QUEUE_ID0_VALID <<
+ qidx);

memset(&cos2bw, 0, sizeof(cos2bw));
- qidx = bp->tc_to_qidx[i];
cos2bw.queue_id = bp->q_info[qidx].queue_id;
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_STRICT) {
cos2bw.tsa =
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 491bd40a254d..c4c9df029466 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -75,17 +75,23 @@ static int bnxt_tc_parse_redir(struct bnxt *bp,
return 0;
}

-static void bnxt_tc_parse_vlan(struct bnxt *bp,
- struct bnxt_tc_actions *actions,
- const struct tc_action *tc_act)
+static int bnxt_tc_parse_vlan(struct bnxt *bp,
+ struct bnxt_tc_actions *actions,
+ const struct tc_action *tc_act)
{
- if (tcf_vlan_action(tc_act) == TCA_VLAN_ACT_POP) {
+ switch (tcf_vlan_action(tc_act)) {
+ case TCA_VLAN_ACT_POP:
actions->flags |= BNXT_TC_ACTION_FLAG_POP_VLAN;
- } else if (tcf_vlan_action(tc_act) == TCA_VLAN_ACT_PUSH) {
+ break;
+ case TCA_VLAN_ACT_PUSH:
actions->flags |= BNXT_TC_ACTION_FLAG_PUSH_VLAN;
actions->push_vlan_tci = htons(tcf_vlan_push_vid(tc_act));
actions->push_vlan_tpid = tcf_vlan_push_proto(tc_act);
+ break;
+ default:
+ return -EOPNOTSUPP;
}
+ return 0;
}

static int bnxt_tc_parse_tunnel_set(struct bnxt *bp,
@@ -136,7 +142,9 @@ static int bnxt_tc_parse_actions(struct bnxt *bp,

/* Push/pop VLAN */
if (is_tcf_vlan(tc_act)) {
- bnxt_tc_parse_vlan(bp, actions, tc_act);
+ rc = bnxt_tc_parse_vlan(bp, actions, tc_act);
+ if (rc)
+ return rc;
continue;
}

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index c4d7479938e2..dfa045f22ef1 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3765,6 +3765,13 @@ static const struct macb_config at91sam9260_config = {
.init = macb_init,
};

+static const struct macb_config sama5d3macb_config = {
+ .caps = MACB_CAPS_SG_DISABLED
+ | MACB_CAPS_USRIO_HAS_CLKEN | MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII,
+ .clk_init = macb_clk_init,
+ .init = macb_init,
+};
+
static const struct macb_config pc302gem_config = {
.caps = MACB_CAPS_SG_DISABLED | MACB_CAPS_GIGABIT_MODE_AVAILABLE,
.dma_burst_length = 16,
@@ -3832,6 +3839,7 @@ static const struct of_device_id macb_dt_ids[] = {
{ .compatible = "cdns,gem", .data = &pc302gem_config },
{ .compatible = "atmel,sama5d2-gem", .data = &sama5d2_config },
{ .compatible = "atmel,sama5d3-gem", .data = &sama5d3_config },
+ { .compatible = "atmel,sama5d3-macb", .data = &sama5d3macb_config },
{ .compatible = "atmel,sama5d4-gem", .data = &sama5d4_config },
{ .compatible = "cdns,at91rm9200-emac", .data = &emac_config },
{ .compatible = "cdns,emac", .data = &emac_config },
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c
index a051e582d541..79d03f8ee7b1 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -84,7 +84,7 @@ static void hnae_unmap_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb)
if (cb->type == DESC_TYPE_SKB)
dma_unmap_single(ring_to_dev(ring), cb->dma, cb->length,
ring_to_dma_dir(ring));
- else
+ else if (cb->length)
dma_unmap_page(ring_to_dev(ring), cb->dma, cb->length,
ring_to_dma_dir(ring));
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index b4518f45f048..1336ec73230d 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -40,9 +40,9 @@
#define SKB_TMP_LEN(SKB) \
(((SKB)->transport_header - (SKB)->mac_header) + tcp_hdrlen(SKB))

-static void fill_v2_desc(struct hnae_ring *ring, void *priv,
- int size, dma_addr_t dma, int frag_end,
- int buf_num, enum hns_desc_type type, int mtu)
+static void fill_v2_desc_hw(struct hnae_ring *ring, void *priv, int size,
+ int send_sz, dma_addr_t dma, int frag_end,
+ int buf_num, enum hns_desc_type type, int mtu)
{
struct hnae_desc *desc = &ring->desc[ring->next_to_use];
struct hnae_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use];
@@ -64,7 +64,7 @@ static void fill_v2_desc(struct hnae_ring *ring, void *priv,
desc_cb->type = type;

desc->addr = cpu_to_le64(dma);
- desc->tx.send_size = cpu_to_le16((u16)size);
+ desc->tx.send_size = cpu_to_le16((u16)send_sz);

/* config bd buffer end */
hnae_set_bit(rrcfv, HNSV2_TXD_VLD_B, 1);
@@ -133,6 +133,14 @@ static void fill_v2_desc(struct hnae_ring *ring, void *priv,
ring_ptr_move_fw(ring, next_to_use);
}

+static void fill_v2_desc(struct hnae_ring *ring, void *priv,
+ int size, dma_addr_t dma, int frag_end,
+ int buf_num, enum hns_desc_type type, int mtu)
+{
+ fill_v2_desc_hw(ring, priv, size, size, dma, frag_end,
+ buf_num, type, mtu);
+}
+
static const struct acpi_device_id hns_enet_acpi_match[] = {
{ "HISI00C1", 0 },
{ "HISI00C2", 0 },
@@ -289,15 +297,15 @@ static void fill_tso_desc(struct hnae_ring *ring, void *priv,

/* when the frag size is bigger than hardware, split this frag */
for (k = 0; k < frag_buf_num; k++)
- fill_v2_desc(ring, priv,
- (k == frag_buf_num - 1) ?
+ fill_v2_desc_hw(ring, priv, k == 0 ? size : 0,
+ (k == frag_buf_num - 1) ?
sizeoflast : BD_MAX_SEND_SIZE,
- dma + BD_MAX_SEND_SIZE * k,
- frag_end && (k == frag_buf_num - 1) ? 1 : 0,
- buf_num,
- (type == DESC_TYPE_SKB && !k) ?
+ dma + BD_MAX_SEND_SIZE * k,
+ frag_end && (k == frag_buf_num - 1) ? 1 : 0,
+ buf_num,
+ (type == DESC_TYPE_SKB && !k) ?
DESC_TYPE_SKB : DESC_TYPE_PAGE,
- mtu);
+ mtu);
}

netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index b8bba64673e5..3986ef83111b 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -1725,7 +1725,7 @@ static void mvpp2_txq_desc_put(struct mvpp2_tx_queue *txq)
}

/* Set Tx descriptors fields relevant for CSUM calculation */
-static u32 mvpp2_txq_desc_csum(int l3_offs, int l3_proto,
+static u32 mvpp2_txq_desc_csum(int l3_offs, __be16 l3_proto,
int ip_hdr_len, int l4_proto)
{
u32 command;
@@ -2600,14 +2600,15 @@ static u32 mvpp2_skb_tx_csum(struct mvpp2_port *port, struct sk_buff *skb)
if (skb->ip_summed == CHECKSUM_PARTIAL) {
int ip_hdr_len = 0;
u8 l4_proto;
+ __be16 l3_proto = vlan_get_protocol(skb);

- if (skb->protocol == htons(ETH_P_IP)) {
+ if (l3_proto == htons(ETH_P_IP)) {
struct iphdr *ip4h = ip_hdr(skb);

/* Calculate IPv4 checksum and L4 checksum */
ip_hdr_len = ip4h->ihl;
l4_proto = ip4h->protocol;
- } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ } else if (l3_proto == htons(ETH_P_IPV6)) {
struct ipv6hdr *ip6h = ipv6_hdr(skb);

/* Read l4_protocol from one of IPv6 extra headers */
@@ -2619,7 +2620,7 @@ static u32 mvpp2_skb_tx_csum(struct mvpp2_port *port, struct sk_buff *skb)
}

return mvpp2_txq_desc_csum(skb_network_offset(skb),
- skb->protocol, ip_hdr_len, l4_proto);
+ l3_proto, ip_hdr_len, l4_proto);
}

return MVPP2_TXD_L4_CSUM_NOT | MVPP2_TXD_IP_CSUM_DISABLE;
@@ -3055,10 +3056,12 @@ static int mvpp2_poll(struct napi_struct *napi, int budget)
cause_rx_tx & ~MVPP2_CAUSE_MISC_SUM_MASK);
}

- cause_tx = cause_rx_tx & MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK;
- if (cause_tx) {
- cause_tx >>= MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET;
- mvpp2_tx_done(port, cause_tx, qv->sw_thread_id);
+ if (port->has_tx_irqs) {
+ cause_tx = cause_rx_tx & MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK;
+ if (cause_tx) {
+ cause_tx >>= MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET;
+ mvpp2_tx_done(port, cause_tx, qv->sw_thread_id);
+ }
}

/* Process RX packets */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index dfbcda0d0e08..701af5ffcbc9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1339,6 +1339,9 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,

*match_level = MLX5_MATCH_L2;
}
+ } else {
+ MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1);
}

if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 40dba9e8af92..69f356f5f8f5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -2000,7 +2000,7 @@ static u32 calculate_vports_min_rate_divider(struct mlx5_eswitch *esw)
u32 max_guarantee = 0;
int i;

- for (i = 0; i <= esw->total_vports; i++) {
+ for (i = 0; i < esw->total_vports; i++) {
evport = &esw->vports[i];
if (!evport->enabled || evport->info.min_rate < max_guarantee)
continue;
@@ -2020,7 +2020,7 @@ static int normalize_vports_min_rate(struct mlx5_eswitch *esw, u32 divider)
int err;
int i;

- for (i = 0; i <= esw->total_vports; i++) {
+ for (i = 0; i < esw->total_vports; i++) {
evport = &esw->vports[i];
if (!evport->enabled)
continue;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
index dae1c5c5d27c..d2f76070ea7c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
@@ -509,7 +509,7 @@ static int mlx5_hairpin_modify_sq(struct mlx5_core_dev *peer_mdev, u32 sqn,

sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);

- if (next_state == MLX5_RQC_STATE_RDY) {
+ if (next_state == MLX5_SQC_STATE_RDY) {
MLX5_SET(sqc, sqc, hairpin_peer_rq, peer_rq);
MLX5_SET(sqc, sqc, hairpin_peer_vhca, peer_vhca);
}
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index 18df7d934e81..ccfcf3048cd0 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -91,7 +91,7 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
struct sk_buff *skb;
struct net_device *dev;
u32 *buf;
- int sz, len;
+ int sz, len, buf_len;
u32 ifh[4];
u32 val;
struct frame_info info;
@@ -116,14 +116,20 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
err = -ENOMEM;
break;
}
- buf = (u32 *)skb_put(skb, info.len);
+ buf_len = info.len - ETH_FCS_LEN;
+ buf = (u32 *)skb_put(skb, buf_len);

len = 0;
do {
sz = ocelot_rx_frame_word(ocelot, grp, false, &val);
*buf++ = val;
len += sz;
- } while ((sz == 4) && (len < info.len));
+ } while (len < buf_len);
+
+ /* Read the FCS and discard it */
+ sz = ocelot_rx_frame_word(ocelot, grp, false, &val);
+ /* Update the statistics if part of the FCS was read before */
+ len -= ETH_FCS_LEN - sz;

if (sz < 0) {
err = sz;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index bfccc1955907..80306e4f247c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2068,14 +2068,17 @@ nfp_ctrl_rx_one(struct nfp_net *nn, struct nfp_net_dp *dp,
return true;
}

-static void nfp_ctrl_rx(struct nfp_net_r_vector *r_vec)
+static bool nfp_ctrl_rx(struct nfp_net_r_vector *r_vec)
{
struct nfp_net_rx_ring *rx_ring = r_vec->rx_ring;
struct nfp_net *nn = r_vec->nfp_net;
struct nfp_net_dp *dp = &nn->dp;
+ unsigned int budget = 512;

- while (nfp_ctrl_rx_one(nn, dp, r_vec, rx_ring))
+ while (nfp_ctrl_rx_one(nn, dp, r_vec, rx_ring) && budget--)
continue;
+
+ return budget;
}

static void nfp_ctrl_poll(unsigned long arg)
@@ -2087,9 +2090,13 @@ static void nfp_ctrl_poll(unsigned long arg)
__nfp_ctrl_tx_queued(r_vec);
spin_unlock_bh(&r_vec->lock);

- nfp_ctrl_rx(r_vec);
-
- nfp_net_irq_unmask(r_vec->nfp_net, r_vec->irq_entry);
+ if (nfp_ctrl_rx(r_vec)) {
+ nfp_net_irq_unmask(r_vec->nfp_net, r_vec->irq_entry);
+ } else {
+ tasklet_schedule(&r_vec->tasklet);
+ nn_dp_warn(&r_vec->nfp_net->dp,
+ "control message budget exceeded!\n");
+ }
}

/* Setup and Configuration
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index bee10c1781fb..463ffa83685f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
@@ -11987,6 +11987,7 @@ struct public_global {
u32 running_bundle_id;
s32 external_temperature;
u32 mdump_reason;
+ u64 reserved;
u32 data_ptr;
u32 data_size;
};
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 81312924df14..0c443ea98479 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -1800,7 +1800,8 @@ struct qlcnic_hardware_ops {
int (*config_loopback) (struct qlcnic_adapter *, u8);
int (*clear_loopback) (struct qlcnic_adapter *, u8);
int (*config_promisc_mode) (struct qlcnic_adapter *, u32);
- void (*change_l2_filter) (struct qlcnic_adapter *, u64 *, u16);
+ void (*change_l2_filter)(struct qlcnic_adapter *adapter, u64 *addr,
+ u16 vlan, struct qlcnic_host_tx_ring *tx_ring);
int (*get_board_info) (struct qlcnic_adapter *);
void (*set_mac_filter_count) (struct qlcnic_adapter *);
void (*free_mac_list) (struct qlcnic_adapter *);
@@ -2064,9 +2065,10 @@ static inline int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter,
}

static inline void qlcnic_change_filter(struct qlcnic_adapter *adapter,
- u64 *addr, u16 id)
+ u64 *addr, u16 vlan,
+ struct qlcnic_host_tx_ring *tx_ring)
{
- adapter->ahw->hw_ops->change_l2_filter(adapter, addr, id);
+ adapter->ahw->hw_ops->change_l2_filter(adapter, addr, vlan, tx_ring);
}

static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 569d54ededec..a79d84f99102 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -2135,7 +2135,8 @@ int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
}

void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
- u16 vlan_id)
+ u16 vlan_id,
+ struct qlcnic_host_tx_ring *tx_ring)
{
u8 mac[ETH_ALEN];
memcpy(&mac, addr, ETH_ALEN);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index b75a81246856..73fe2f64491d 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -550,7 +550,8 @@ int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32);
int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32);
int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *, int);
int qlcnic_83xx_config_rss(struct qlcnic_adapter *, int);
-void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *, u64 *, u16);
+void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr,
+ u16 vlan, struct qlcnic_host_tx_ring *ring);
int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info *);
int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *, int);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
index 4bb33af8e2b3..56a3bd9e37dc 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
@@ -173,7 +173,8 @@ int qlcnic_82xx_napi_add(struct qlcnic_adapter *adapter,
struct net_device *netdev);
void qlcnic_82xx_get_beacon_state(struct qlcnic_adapter *);
void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter,
- u64 *uaddr, u16 vlan_id);
+ u64 *uaddr, u16 vlan_id,
+ struct qlcnic_host_tx_ring *tx_ring);
int qlcnic_82xx_config_intr_coalesce(struct qlcnic_adapter *,
struct ethtool_coalesce *);
int qlcnic_82xx_set_rx_coalesce(struct qlcnic_adapter *);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 84dd83031a1b..9647578cbe6a 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -268,13 +268,12 @@ static void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter,
}

void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr,
- u16 vlan_id)
+ u16 vlan_id, struct qlcnic_host_tx_ring *tx_ring)
{
struct cmd_desc_type0 *hwdesc;
struct qlcnic_nic_req *req;
struct qlcnic_mac_req *mac_req;
struct qlcnic_vlan_req *vlan_req;
- struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
u32 producer;
u64 word;

@@ -301,7 +300,8 @@ void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr,

static void qlcnic_send_filter(struct qlcnic_adapter *adapter,
struct cmd_desc_type0 *first_desc,
- struct sk_buff *skb)
+ struct sk_buff *skb,
+ struct qlcnic_host_tx_ring *tx_ring)
{
struct vlan_ethhdr *vh = (struct vlan_ethhdr *)(skb->data);
struct ethhdr *phdr = (struct ethhdr *)(skb->data);
@@ -335,7 +335,7 @@ static void qlcnic_send_filter(struct qlcnic_adapter *adapter,
tmp_fil->vlan_id == vlan_id) {
if (jiffies > (QLCNIC_READD_AGE * HZ + tmp_fil->ftime))
qlcnic_change_filter(adapter, &src_addr,
- vlan_id);
+ vlan_id, tx_ring);
tmp_fil->ftime = jiffies;
return;
}
@@ -350,7 +350,7 @@ static void qlcnic_send_filter(struct qlcnic_adapter *adapter,
if (!fil)
return;

- qlcnic_change_filter(adapter, &src_addr, vlan_id);
+ qlcnic_change_filter(adapter, &src_addr, vlan_id, tx_ring);
fil->ftime = jiffies;
fil->vlan_id = vlan_id;
memcpy(fil->faddr, &src_addr, ETH_ALEN);
@@ -766,7 +766,7 @@ netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
}

if (adapter->drv_mac_learn)
- qlcnic_send_filter(adapter, first_desc, skb);
+ qlcnic_send_filter(adapter, first_desc, skb, tx_ring);

tx_ring->tx_stats.tx_bytes += skb->len;
tx_ring->tx_stats.xmit_called++;
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
index 7fd86d40a337..11167abe5934 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c
@@ -113,7 +113,7 @@ rmnet_map_ingress_handler(struct sk_buff *skb,
struct sk_buff *skbn;

if (skb->dev->type == ARPHRD_ETHER) {
- if (pskb_expand_head(skb, ETH_HLEN, 0, GFP_KERNEL)) {
+ if (pskb_expand_head(skb, ETH_HLEN, 0, GFP_ATOMIC)) {
kfree_skb(skb);
return;
}
@@ -147,7 +147,7 @@ static int rmnet_map_egress_handler(struct sk_buff *skb,
}

if (skb_headroom(skb) < required_headroom) {
- if (pskb_expand_head(skb, required_headroom, 0, GFP_KERNEL))
+ if (pskb_expand_head(skb, required_headroom, 0, GFP_ATOMIC))
return -ENOMEM;
}

@@ -189,6 +189,9 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb)
if (!skb)
goto done;

+ if (skb->pkt_type == PACKET_LOOPBACK)
+ return RX_HANDLER_PASS;
+
dev = skb->dev;
port = rmnet_get_port(dev);

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 1d1e66002232..627c5cd8f786 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4788,8 +4788,8 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
break;
case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
- case RTL_GIGA_MAC_VER_34:
- case RTL_GIGA_MAC_VER_35:
+ case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36:
+ case RTL_GIGA_MAC_VER_38:
RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
break;
case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
@@ -5041,9 +5041,14 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)

static void rtl_set_tx_config_registers(struct rtl8169_private *tp)
{
- /* Set DMA burst size and Interframe Gap Time */
- RTL_W32(tp, TxConfig, (TX_DMA_BURST << TxDMAShift) |
- (InterFrameGap << TxInterFrameGapShift));
+ u32 val = TX_DMA_BURST << TxDMAShift |
+ InterFrameGap << TxInterFrameGapShift;
+
+ if (tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
+ tp->mac_version != RTL_GIGA_MAC_VER_39)
+ val |= TXCFG_AUTO_FIFO;
+
+ RTL_W32(tp, TxConfig, val);
}

static void rtl_set_rx_max_size(struct rtl8169_private *tp)
@@ -5530,7 +5535,6 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)

rtl_disable_clock_request(tp);

- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);

/* Adjust EEE LED frequency */
@@ -5562,7 +5566,6 @@ static void rtl_hw_start_8168f(struct rtl8169_private *tp)

rtl_disable_clock_request(tp);

- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
@@ -5607,8 +5610,6 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp)

static void rtl_hw_start_8168g(struct rtl8169_private *tp)
{
- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
-
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
@@ -5707,8 +5708,6 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
rtl_ephy_init(tp, e_info_8168h_1, ARRAY_SIZE(e_info_8168h_1));

- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
-
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
@@ -5789,8 +5788,6 @@ static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
{
rtl8168ep_stop_cmac(tp);

- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
-
rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x00080002, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x2f, ERIAR_EXGMAC);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x5f, ERIAR_EXGMAC);
@@ -6108,7 +6105,6 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp)
/* Force LAN exit from ASPM if Rx/Tx are not idle */
RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);

- RTL_W32(tp, TxConfig, RTL_R32(tp, TxConfig) | TXCFG_AUTO_FIFO);
RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);

rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 78fd0f8b8e81..a15006e2fb29 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -256,10 +256,10 @@ struct stmmac_safety_stats {
#define MAX_DMA_RIWT 0xff
#define MIN_DMA_RIWT 0x20
/* Tx coalesce parameters */
-#define STMMAC_COAL_TX_TIMER 40000
+#define STMMAC_COAL_TX_TIMER 1000
#define STMMAC_MAX_COAL_TX_TICK 100000
#define STMMAC_TX_MAX_FRAMES 256
-#define STMMAC_TX_FRAMES 64
+#define STMMAC_TX_FRAMES 25

/* Packets types */
enum packets_types {
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index c0a855b7ab3b..63e1064b27a2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -48,6 +48,8 @@ struct stmmac_tx_info {

/* Frequently used values are kept adjacent for cache effect */
struct stmmac_tx_queue {
+ u32 tx_count_frames;
+ struct timer_list txtimer;
u32 queue_index;
struct stmmac_priv *priv_data;
struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
@@ -73,7 +75,14 @@ struct stmmac_rx_queue {
u32 rx_zeroc_thresh;
dma_addr_t dma_rx_phy;
u32 rx_tail_addr;
+};
+
+struct stmmac_channel {
struct napi_struct napi ____cacheline_aligned_in_smp;
+ struct stmmac_priv *priv_data;
+ u32 index;
+ int has_rx;
+ int has_tx;
};

struct stmmac_tc_entry {
@@ -109,14 +118,12 @@ struct stmmac_pps_cfg {

struct stmmac_priv {
/* Frequently used values are kept adjacent for cache effect */
- u32 tx_count_frames;
u32 tx_coal_frames;
u32 tx_coal_timer;

int tx_coalesce;
int hwts_tx_en;
bool tx_path_in_lpi_mode;
- struct timer_list txtimer;
bool tso;

unsigned int dma_buf_sz;
@@ -137,6 +144,9 @@ struct stmmac_priv {
/* TX Queue */
struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];

+ /* Generic channel for NAPI */
+ struct stmmac_channel channel[STMMAC_CH_MAX];
+
bool oldlink;
int speed;
int oldduplex;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c579d98b9666..1c6ba74e294b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -147,12 +147,14 @@ static void stmmac_verify_args(void)
static void stmmac_disable_all_queues(struct stmmac_priv *priv)
{
u32 rx_queues_cnt = priv->plat->rx_queues_to_use;
+ u32 tx_queues_cnt = priv->plat->tx_queues_to_use;
+ u32 maxq = max(rx_queues_cnt, tx_queues_cnt);
u32 queue;

- for (queue = 0; queue < rx_queues_cnt; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+ for (queue = 0; queue < maxq; queue++) {
+ struct stmmac_channel *ch = &priv->channel[queue];

- napi_disable(&rx_q->napi);
+ napi_disable(&ch->napi);
}
}

@@ -163,12 +165,14 @@ static void stmmac_disable_all_queues(struct stmmac_priv *priv)
static void stmmac_enable_all_queues(struct stmmac_priv *priv)
{
u32 rx_queues_cnt = priv->plat->rx_queues_to_use;
+ u32 tx_queues_cnt = priv->plat->tx_queues_to_use;
+ u32 maxq = max(rx_queues_cnt, tx_queues_cnt);
u32 queue;

- for (queue = 0; queue < rx_queues_cnt; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+ for (queue = 0; queue < maxq; queue++) {
+ struct stmmac_channel *ch = &priv->channel[queue];

- napi_enable(&rx_q->napi);
+ napi_enable(&ch->napi);
}
}

@@ -1822,18 +1826,18 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
* @queue: TX queue index
* Description: it reclaims the transmit resources after transmission completes.
*/
-static void stmmac_tx_clean(struct stmmac_priv *priv, u32 queue)
+static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue)
{
struct stmmac_tx_queue *tx_q = &priv->tx_queue[queue];
unsigned int bytes_compl = 0, pkts_compl = 0;
- unsigned int entry;
+ unsigned int entry, count = 0;

- netif_tx_lock(priv->dev);
+ __netif_tx_lock_bh(netdev_get_tx_queue(priv->dev, queue));

priv->xstats.tx_clean++;

entry = tx_q->dirty_tx;
- while (entry != tx_q->cur_tx) {
+ while ((entry != tx_q->cur_tx) && (count < budget)) {
struct sk_buff *skb = tx_q->tx_skbuff[entry];
struct dma_desc *p;
int status;
@@ -1849,6 +1853,8 @@ static void stmmac_tx_clean(struct stmmac_priv *priv, u32 queue)
if (unlikely(status & tx_dma_own))
break;

+ count++;
+
/* Make sure descriptor fields are read after reading
* the own bit.
*/
@@ -1916,7 +1922,10 @@ static void stmmac_tx_clean(struct stmmac_priv *priv, u32 queue)
stmmac_enable_eee_mode(priv);
mod_timer(&priv->eee_ctrl_timer, STMMAC_LPI_T(eee_timer));
}
- netif_tx_unlock(priv->dev);
+
+ __netif_tx_unlock_bh(netdev_get_tx_queue(priv->dev, queue));
+
+ return count;
}

/**
@@ -1999,6 +2008,33 @@ static bool stmmac_safety_feat_interrupt(struct stmmac_priv *priv)
return false;
}

+static int stmmac_napi_check(struct stmmac_priv *priv, u32 chan)
+{
+ int status = stmmac_dma_interrupt_status(priv, priv->ioaddr,
+ &priv->xstats, chan);
+ struct stmmac_channel *ch = &priv->channel[chan];
+ bool needs_work = false;
+
+ if ((status & handle_rx) && ch->has_rx) {
+ needs_work = true;
+ } else {
+ status &= ~handle_rx;
+ }
+
+ if ((status & handle_tx) && ch->has_tx) {
+ needs_work = true;
+ } else {
+ status &= ~handle_tx;
+ }
+
+ if (needs_work && napi_schedule_prep(&ch->napi)) {
+ stmmac_disable_dma_irq(priv, priv->ioaddr, chan);
+ __napi_schedule(&ch->napi);
+ }
+
+ return status;
+}
+
/**
* stmmac_dma_interrupt - DMA ISR
* @priv: driver private structure
@@ -2013,57 +2049,14 @@ static void stmmac_dma_interrupt(struct stmmac_priv *priv)
u32 channels_to_check = tx_channel_count > rx_channel_count ?
tx_channel_count : rx_channel_count;
u32 chan;
- bool poll_scheduled = false;
int status[max_t(u32, MTL_MAX_TX_QUEUES, MTL_MAX_RX_QUEUES)];

/* Make sure we never check beyond our status buffer. */
if (WARN_ON_ONCE(channels_to_check > ARRAY_SIZE(status)))
channels_to_check = ARRAY_SIZE(status);

- /* Each DMA channel can be used for rx and tx simultaneously, yet
- * napi_struct is embedded in struct stmmac_rx_queue rather than in a
- * stmmac_channel struct.
- * Because of this, stmmac_poll currently checks (and possibly wakes)
- * all tx queues rather than just a single tx queue.
- */
for (chan = 0; chan < channels_to_check; chan++)
- status[chan] = stmmac_dma_interrupt_status(priv, priv->ioaddr,
- &priv->xstats, chan);
-
- for (chan = 0; chan < rx_channel_count; chan++) {
- if (likely(status[chan] & handle_rx)) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[chan];
-
- if (likely(napi_schedule_prep(&rx_q->napi))) {
- stmmac_disable_dma_irq(priv, priv->ioaddr, chan);
- __napi_schedule(&rx_q->napi);
- poll_scheduled = true;
- }
- }
- }
-
- /* If we scheduled poll, we already know that tx queues will be checked.
- * If we didn't schedule poll, see if any DMA channel (used by tx) has a
- * completed transmission, if so, call stmmac_poll (once).
- */
- if (!poll_scheduled) {
- for (chan = 0; chan < tx_channel_count; chan++) {
- if (status[chan] & handle_tx) {
- /* It doesn't matter what rx queue we choose
- * here. We use 0 since it always exists.
- */
- struct stmmac_rx_queue *rx_q =
- &priv->rx_queue[0];
-
- if (likely(napi_schedule_prep(&rx_q->napi))) {
- stmmac_disable_dma_irq(priv,
- priv->ioaddr, chan);
- __napi_schedule(&rx_q->napi);
- }
- break;
- }
- }
- }
+ status[chan] = stmmac_napi_check(priv, chan);

for (chan = 0; chan < tx_channel_count; chan++) {
if (unlikely(status[chan] & tx_hard_error_bump_tc)) {
@@ -2193,8 +2186,7 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
stmmac_init_tx_chan(priv, priv->ioaddr, priv->plat->dma_cfg,
tx_q->dma_tx_phy, chan);

- tx_q->tx_tail_addr = tx_q->dma_tx_phy +
- (DMA_TX_SIZE * sizeof(struct dma_desc));
+ tx_q->tx_tail_addr = tx_q->dma_tx_phy;
stmmac_set_tx_tail_ptr(priv, priv->ioaddr,
tx_q->tx_tail_addr, chan);
}
@@ -2212,6 +2204,13 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
return ret;
}

+static void stmmac_tx_timer_arm(struct stmmac_priv *priv, u32 queue)
+{
+ struct stmmac_tx_queue *tx_q = &priv->tx_queue[queue];
+
+ mod_timer(&tx_q->txtimer, STMMAC_COAL_TIMER(priv->tx_coal_timer));
+}
+
/**
* stmmac_tx_timer - mitigation sw timer for tx.
* @data: data pointer
@@ -2220,13 +2219,14 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
*/
static void stmmac_tx_timer(struct timer_list *t)
{
- struct stmmac_priv *priv = from_timer(priv, t, txtimer);
- u32 tx_queues_count = priv->plat->tx_queues_to_use;
- u32 queue;
+ struct stmmac_tx_queue *tx_q = from_timer(tx_q, t, txtimer);
+ struct stmmac_priv *priv = tx_q->priv_data;
+ struct stmmac_channel *ch;
+
+ ch = &priv->channel[tx_q->queue_index];

- /* let's scan all the tx queues */
- for (queue = 0; queue < tx_queues_count; queue++)
- stmmac_tx_clean(priv, queue);
+ if (likely(napi_schedule_prep(&ch->napi)))
+ __napi_schedule(&ch->napi);
}

/**
@@ -2239,11 +2239,17 @@ static void stmmac_tx_timer(struct timer_list *t)
*/
static void stmmac_init_tx_coalesce(struct stmmac_priv *priv)
{
+ u32 tx_channel_count = priv->plat->tx_queues_to_use;
+ u32 chan;
+
priv->tx_coal_frames = STMMAC_TX_FRAMES;
priv->tx_coal_timer = STMMAC_COAL_TX_TIMER;
- timer_setup(&priv->txtimer, stmmac_tx_timer, 0);
- priv->txtimer.expires = STMMAC_COAL_TIMER(priv->tx_coal_timer);
- add_timer(&priv->txtimer);
+
+ for (chan = 0; chan < tx_channel_count; chan++) {
+ struct stmmac_tx_queue *tx_q = &priv->tx_queue[chan];
+
+ timer_setup(&tx_q->txtimer, stmmac_tx_timer, 0);
+ }
}

static void stmmac_set_rings_length(struct stmmac_priv *priv)
@@ -2571,6 +2577,7 @@ static void stmmac_hw_teardown(struct net_device *dev)
static int stmmac_open(struct net_device *dev)
{
struct stmmac_priv *priv = netdev_priv(dev);
+ u32 chan;
int ret;

stmmac_check_ether_addr(priv);
@@ -2667,7 +2674,9 @@ static int stmmac_open(struct net_device *dev)
if (dev->phydev)
phy_stop(dev->phydev);

- del_timer_sync(&priv->txtimer);
+ for (chan = 0; chan < priv->plat->tx_queues_to_use; chan++)
+ del_timer_sync(&priv->tx_queue[chan].txtimer);
+
stmmac_hw_teardown(dev);
init_error:
free_dma_desc_resources(priv);
@@ -2687,6 +2696,7 @@ static int stmmac_open(struct net_device *dev)
static int stmmac_release(struct net_device *dev)
{
struct stmmac_priv *priv = netdev_priv(dev);
+ u32 chan;

if (priv->eee_enabled)
del_timer_sync(&priv->eee_ctrl_timer);
@@ -2701,7 +2711,8 @@ static int stmmac_release(struct net_device *dev)

stmmac_disable_all_queues(priv);

- del_timer_sync(&priv->txtimer);
+ for (chan = 0; chan < priv->plat->tx_queues_to_use; chan++)
+ del_timer_sync(&priv->tx_queue[chan].txtimer);

/* Free the IRQ lines */
free_irq(dev->irq, dev);
@@ -2915,14 +2926,13 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
priv->xstats.tx_tso_nfrags += nfrags;

/* Manage tx mitigation */
- priv->tx_count_frames += nfrags + 1;
- if (likely(priv->tx_coal_frames > priv->tx_count_frames)) {
- mod_timer(&priv->txtimer,
- STMMAC_COAL_TIMER(priv->tx_coal_timer));
- } else {
- priv->tx_count_frames = 0;
+ tx_q->tx_count_frames += nfrags + 1;
+ if (priv->tx_coal_frames <= tx_q->tx_count_frames) {
stmmac_set_tx_ic(priv, desc);
priv->xstats.tx_set_ic_bit++;
+ tx_q->tx_count_frames = 0;
+ } else {
+ stmmac_tx_timer_arm(priv, queue);
}

skb_tx_timestamp(skb);
@@ -2971,6 +2981,7 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)

netdev_tx_sent_queue(netdev_get_tx_queue(dev, queue), skb->len);

+ tx_q->tx_tail_addr = tx_q->dma_tx_phy + (tx_q->cur_tx * sizeof(*desc));
stmmac_set_tx_tail_ptr(priv, priv->ioaddr, tx_q->tx_tail_addr, queue);

return NETDEV_TX_OK;
@@ -3125,14 +3136,13 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
* This approach takes care about the fragments: desc is the first
* element in case of no SG.
*/
- priv->tx_count_frames += nfrags + 1;
- if (likely(priv->tx_coal_frames > priv->tx_count_frames)) {
- mod_timer(&priv->txtimer,
- STMMAC_COAL_TIMER(priv->tx_coal_timer));
- } else {
- priv->tx_count_frames = 0;
+ tx_q->tx_count_frames += nfrags + 1;
+ if (priv->tx_coal_frames <= tx_q->tx_count_frames) {
stmmac_set_tx_ic(priv, desc);
priv->xstats.tx_set_ic_bit++;
+ tx_q->tx_count_frames = 0;
+ } else {
+ stmmac_tx_timer_arm(priv, queue);
}

skb_tx_timestamp(skb);
@@ -3178,6 +3188,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
netdev_tx_sent_queue(netdev_get_tx_queue(dev, queue), skb->len);

stmmac_enable_dma_transmission(priv, priv->ioaddr);
+
+ tx_q->tx_tail_addr = tx_q->dma_tx_phy + (tx_q->cur_tx * sizeof(*desc));
stmmac_set_tx_tail_ptr(priv, priv->ioaddr, tx_q->tx_tail_addr, queue);

return NETDEV_TX_OK;
@@ -3298,6 +3310,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
{
struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+ struct stmmac_channel *ch = &priv->channel[queue];
unsigned int entry = rx_q->cur_rx;
int coe = priv->hw->rx_csum;
unsigned int next_entry;
@@ -3467,7 +3480,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
else
skb->ip_summed = CHECKSUM_UNNECESSARY;

- napi_gro_receive(&rx_q->napi, skb);
+ napi_gro_receive(&ch->napi, skb);

priv->dev->stats.rx_packets++;
priv->dev->stats.rx_bytes += frame_len;
@@ -3490,27 +3503,33 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
* Description :
* To look at the incoming frames and clear the tx resources.
*/
-static int stmmac_poll(struct napi_struct *napi, int budget)
+static int stmmac_napi_poll(struct napi_struct *napi, int budget)
{
- struct stmmac_rx_queue *rx_q =
- container_of(napi, struct stmmac_rx_queue, napi);
- struct stmmac_priv *priv = rx_q->priv_data;
- u32 tx_count = priv->plat->tx_queues_to_use;
- u32 chan = rx_q->queue_index;
- int work_done = 0;
- u32 queue;
+ struct stmmac_channel *ch =
+ container_of(napi, struct stmmac_channel, napi);
+ struct stmmac_priv *priv = ch->priv_data;
+ int work_done = 0, work_rem = budget;
+ u32 chan = ch->index;

priv->xstats.napi_poll++;

- /* check all the queues */
- for (queue = 0; queue < tx_count; queue++)
- stmmac_tx_clean(priv, queue);
+ if (ch->has_tx) {
+ int done = stmmac_tx_clean(priv, work_rem, chan);

- work_done = stmmac_rx(priv, budget, rx_q->queue_index);
- if (work_done < budget) {
- napi_complete_done(napi, work_done);
- stmmac_enable_dma_irq(priv, priv->ioaddr, chan);
+ work_done += done;
+ work_rem -= done;
+ }
+
+ if (ch->has_rx) {
+ int done = stmmac_rx(priv, work_rem, chan);
+
+ work_done += done;
+ work_rem -= done;
}
+
+ if (work_done < budget && napi_complete_done(napi, work_done))
+ stmmac_enable_dma_irq(priv, priv->ioaddr, chan);
+
return work_done;
}

@@ -4170,8 +4189,8 @@ int stmmac_dvr_probe(struct device *device,
{
struct net_device *ndev = NULL;
struct stmmac_priv *priv;
+ u32 queue, maxq;
int ret = 0;
- u32 queue;

ndev = alloc_etherdev_mqs(sizeof(struct stmmac_priv),
MTL_MAX_TX_QUEUES,
@@ -4291,11 +4310,22 @@ int stmmac_dvr_probe(struct device *device,
"Enable RX Mitigation via HW Watchdog Timer\n");
}

- for (queue = 0; queue < priv->plat->rx_queues_to_use; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+ /* Setup channels NAPI */
+ maxq = max(priv->plat->rx_queues_to_use, priv->plat->tx_queues_to_use);

- netif_napi_add(ndev, &rx_q->napi, stmmac_poll,
- (8 * priv->plat->rx_queues_to_use));
+ for (queue = 0; queue < maxq; queue++) {
+ struct stmmac_channel *ch = &priv->channel[queue];
+
+ ch->priv_data = priv;
+ ch->index = queue;
+
+ if (queue < priv->plat->rx_queues_to_use)
+ ch->has_rx = true;
+ if (queue < priv->plat->tx_queues_to_use)
+ ch->has_tx = true;
+
+ netif_napi_add(ndev, &ch->napi, stmmac_napi_poll,
+ NAPI_POLL_WEIGHT);
}

mutex_init(&priv->lock);
@@ -4341,10 +4371,10 @@ int stmmac_dvr_probe(struct device *device,
priv->hw->pcs != STMMAC_PCS_RTBI)
stmmac_mdio_unregister(ndev);
error_mdio_register:
- for (queue = 0; queue < priv->plat->rx_queues_to_use; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
+ for (queue = 0; queue < maxq; queue++) {
+ struct stmmac_channel *ch = &priv->channel[queue];

- netif_napi_del(&rx_q->napi);
+ netif_napi_del(&ch->napi);
}
error_hw_init:
destroy_workqueue(priv->wq);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 72da77b94ecd..8a3867cec67a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -67,7 +67,7 @@ static int dwmac1000_validate_mcast_bins(int mcast_bins)
* Description:
* This function validates the number of Unicast address entries supported
* by a particular Synopsys 10/100/1000 controller. The Synopsys controller
- * supports 1, 32, 64, or 128 Unicast filter entries for it's Unicast filter
+ * supports 1..32, 64, or 128 Unicast filter entries for it's Unicast filter
* logic. This function validates a valid, supported configuration is
* selected, and defaults to 1 Unicast address if an unsupported
* configuration is selected.
@@ -77,8 +77,7 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries)
int x = ucast_entries;

switch (x) {
- case 1:
- case 32:
+ case 1 ... 32:
case 64:
case 128:
break;
diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
index 9263d638bd6d..f932923f7d56 100644
--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -41,6 +41,7 @@ config TI_DAVINCI_MDIO
config TI_DAVINCI_CPDMA
tristate "TI DaVinci CPDMA Support"
depends on ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST
+ select GENERIC_ALLOCATOR
---help---
This driver supports TI's DaVinci CPDMA dma engine.

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index af4dc4425be2..5827fccd4f29 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -717,6 +717,30 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy)
return 0;
}

+static int __phylink_connect_phy(struct phylink *pl, struct phy_device *phy,
+ phy_interface_t interface)
+{
+ int ret;
+
+ if (WARN_ON(pl->link_an_mode == MLO_AN_FIXED ||
+ (pl->link_an_mode == MLO_AN_INBAND &&
+ phy_interface_mode_is_8023z(interface))))
+ return -EINVAL;
+
+ if (pl->phydev)
+ return -EBUSY;
+
+ ret = phy_attach_direct(pl->netdev, phy, 0, interface);
+ if (ret)
+ return ret;
+
+ ret = phylink_bringup_phy(pl, phy);
+ if (ret)
+ phy_detach(phy);
+
+ return ret;
+}
+
/**
* phylink_connect_phy() - connect a PHY to the phylink instance
* @pl: a pointer to a &struct phylink returned from phylink_create()
@@ -734,31 +758,13 @@ static int phylink_bringup_phy(struct phylink *pl, struct phy_device *phy)
*/
int phylink_connect_phy(struct phylink *pl, struct phy_device *phy)
{
- int ret;
-
- if (WARN_ON(pl->link_an_mode == MLO_AN_FIXED ||
- (pl->link_an_mode == MLO_AN_INBAND &&
- phy_interface_mode_is_8023z(pl->link_interface))))
- return -EINVAL;
-
- if (pl->phydev)
- return -EBUSY;
-
/* Use PHY device/driver interface */
if (pl->link_interface == PHY_INTERFACE_MODE_NA) {
pl->link_interface = phy->interface;
pl->link_config.interface = pl->link_interface;
}

- ret = phy_attach_direct(pl->netdev, phy, 0, pl->link_interface);
- if (ret)
- return ret;
-
- ret = phylink_bringup_phy(pl, phy);
- if (ret)
- phy_detach(phy);
-
- return ret;
+ return __phylink_connect_phy(pl, phy, pl->link_interface);
}
EXPORT_SYMBOL_GPL(phylink_connect_phy);

@@ -1672,7 +1678,9 @@ static void phylink_sfp_link_up(void *upstream)

static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy)
{
- return phylink_connect_phy(upstream, phy);
+ struct phylink *pl = upstream;
+
+ return __phylink_connect_phy(upstream, phy, pl->link_config.interface);
}

static void phylink_sfp_disconnect_phy(void *upstream)
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 740655261e5b..83060fb349f4 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -349,6 +349,7 @@ static int sfp_register_bus(struct sfp_bus *bus)
}
if (bus->started)
bus->socket_ops->start(bus->sfp);
+ bus->netdev->sfp_bus = bus;
bus->registered = true;
return 0;
}
@@ -357,6 +358,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
{
const struct sfp_upstream_ops *ops = bus->upstream_ops;

+ bus->netdev->sfp_bus = NULL;
if (bus->registered) {
if (bus->started)
bus->socket_ops->stop(bus->sfp);
@@ -438,7 +440,6 @@ static void sfp_upstream_clear(struct sfp_bus *bus)
{
bus->upstream_ops = NULL;
bus->upstream = NULL;
- bus->netdev->sfp_bus = NULL;
bus->netdev = NULL;
}

@@ -467,7 +468,6 @@ struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode,
bus->upstream_ops = ops;
bus->upstream = upstream;
bus->netdev = ndev;
- ndev->sfp_bus = bus;

if (bus->sfp) {
ret = sfp_register_bus(bus);
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index b070959737ff..286c947cb48d 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1172,6 +1172,12 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
return -EBUSY;
}

+ if (dev == port_dev) {
+ NL_SET_ERR_MSG(extack, "Cannot enslave team device to itself");
+ netdev_err(dev, "Cannot enslave team device to itself\n");
+ return -EINVAL;
+ }
+
if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
vlan_uses_dev(dev)) {
NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up");
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f5727baac84a..725dd63f8413 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -181,6 +181,7 @@ struct tun_file {
};
struct napi_struct napi;
bool napi_enabled;
+ bool napi_frags_enabled;
struct mutex napi_mutex; /* Protects access to the above napi */
struct list_head next;
struct tun_struct *detached;
@@ -312,32 +313,32 @@ static int tun_napi_poll(struct napi_struct *napi, int budget)
}

static void tun_napi_init(struct tun_struct *tun, struct tun_file *tfile,
- bool napi_en)
+ bool napi_en, bool napi_frags)
{
tfile->napi_enabled = napi_en;
+ tfile->napi_frags_enabled = napi_en && napi_frags;
if (napi_en) {
netif_napi_add(tun->dev, &tfile->napi, tun_napi_poll,
NAPI_POLL_WEIGHT);
napi_enable(&tfile->napi);
- mutex_init(&tfile->napi_mutex);
}
}

-static void tun_napi_disable(struct tun_struct *tun, struct tun_file *tfile)
+static void tun_napi_disable(struct tun_file *tfile)
{
if (tfile->napi_enabled)
napi_disable(&tfile->napi);
}

-static void tun_napi_del(struct tun_struct *tun, struct tun_file *tfile)
+static void tun_napi_del(struct tun_file *tfile)
{
if (tfile->napi_enabled)
netif_napi_del(&tfile->napi);
}

-static bool tun_napi_frags_enabled(const struct tun_struct *tun)
+static bool tun_napi_frags_enabled(const struct tun_file *tfile)
{
- return READ_ONCE(tun->flags) & IFF_NAPI_FRAGS;
+ return tfile->napi_frags_enabled;
}

#ifdef CONFIG_TUN_VNET_CROSS_LE
@@ -688,8 +689,8 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
tun = rtnl_dereference(tfile->tun);

if (tun && clean) {
- tun_napi_disable(tun, tfile);
- tun_napi_del(tun, tfile);
+ tun_napi_disable(tfile);
+ tun_napi_del(tfile);
}

if (tun && !tfile->detached) {
@@ -756,7 +757,7 @@ static void tun_detach_all(struct net_device *dev)
for (i = 0; i < n; i++) {
tfile = rtnl_dereference(tun->tfiles[i]);
BUG_ON(!tfile);
- tun_napi_disable(tun, tfile);
+ tun_napi_disable(tfile);
tfile->socket.sk->sk_shutdown = RCV_SHUTDOWN;
tfile->socket.sk->sk_data_ready(tfile->socket.sk);
RCU_INIT_POINTER(tfile->tun, NULL);
@@ -772,7 +773,7 @@ static void tun_detach_all(struct net_device *dev)
synchronize_net();
for (i = 0; i < n; i++) {
tfile = rtnl_dereference(tun->tfiles[i]);
- tun_napi_del(tun, tfile);
+ tun_napi_del(tfile);
/* Drop read queue */
tun_queue_purge(tfile);
xdp_rxq_info_unreg(&tfile->xdp_rxq);
@@ -791,7 +792,7 @@ static void tun_detach_all(struct net_device *dev)
}

static int tun_attach(struct tun_struct *tun, struct file *file,
- bool skip_filter, bool napi)
+ bool skip_filter, bool napi, bool napi_frags)
{
struct tun_file *tfile = file->private_data;
struct net_device *dev = tun->dev;
@@ -864,7 +865,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file,
tun_enable_queue(tfile);
} else {
sock_hold(&tfile->sk);
- tun_napi_init(tun, tfile, napi);
+ tun_napi_init(tun, tfile, napi, napi_frags);
}

tun_set_real_num_queues(tun);
@@ -1174,13 +1175,11 @@ static void tun_poll_controller(struct net_device *dev)
struct tun_file *tfile;
int i;

- if (tun_napi_frags_enabled(tun))
- return;
-
rcu_read_lock();
for (i = 0; i < tun->numqueues; i++) {
tfile = rcu_dereference(tun->tfiles[i]);
- if (tfile->napi_enabled)
+ if (!tun_napi_frags_enabled(tfile) &&
+ tfile->napi_enabled)
napi_schedule(&tfile->napi);
}
rcu_read_unlock();
@@ -1751,7 +1750,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
int err;
u32 rxhash = 0;
int skb_xdp = 1;
- bool frags = tun_napi_frags_enabled(tun);
+ bool frags = tun_napi_frags_enabled(tfile);

if (!(tun->dev->flags & IFF_UP))
return -EIO;
@@ -2576,7 +2575,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
return err;

err = tun_attach(tun, file, ifr->ifr_flags & IFF_NOFILTER,
- ifr->ifr_flags & IFF_NAPI);
+ ifr->ifr_flags & IFF_NAPI,
+ ifr->ifr_flags & IFF_NAPI_FRAGS);
if (err < 0)
return err;

@@ -2674,7 +2674,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
(ifr->ifr_flags & TUN_FEATURES);

INIT_LIST_HEAD(&tun->disabled);
- err = tun_attach(tun, file, false, ifr->ifr_flags & IFF_NAPI);
+ err = tun_attach(tun, file, false, ifr->ifr_flags & IFF_NAPI,
+ ifr->ifr_flags & IFF_NAPI_FRAGS);
if (err < 0)
goto err_free_flow;

@@ -2823,7 +2824,8 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
ret = security_tun_dev_attach_queue(tun->security);
if (ret < 0)
goto unlock;
- ret = tun_attach(tun, file, false, tun->flags & IFF_NAPI);
+ ret = tun_attach(tun, file, false, tun->flags & IFF_NAPI,
+ tun->flags & IFF_NAPI_FRAGS);
} else if (ifr->ifr_flags & IFF_DETACH_QUEUE) {
tun = rtnl_dereference(tfile->tun);
if (!tun || !(tun->flags & IFF_MULTI_QUEUE) || tfile->detached)
@@ -3241,6 +3243,7 @@ static int tun_chr_open(struct inode *inode, struct file * file)
return -ENOMEM;
}

+ mutex_init(&tfile->napi_mutex);
RCU_INIT_POINTER(tfile->tun, NULL);
tfile->flags = 0;
tfile->ifindex = 0;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 1e95d37c6e27..1bb01a9e5f92 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1234,6 +1234,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */
{QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */
{QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */
+ {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */
{QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */
{QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */
{QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 05553d252446..b64b1ee56d2d 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1517,6 +1517,7 @@ static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
if (pdata) {
+ cancel_work_sync(&pdata->set_multicast);
netif_dbg(dev, ifdown, dev->net, "free pdata\n");
kfree(pdata);
pdata = NULL;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index e857cb3335f6..93a6c43a2354 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3537,6 +3537,7 @@ static size_t vxlan_get_size(const struct net_device *dev)
nla_total_size(sizeof(__u32)) + /* IFLA_VXLAN_LINK */
nla_total_size(sizeof(struct in6_addr)) + /* IFLA_VXLAN_LOCAL{6} */
nla_total_size(sizeof(__u8)) + /* IFLA_VXLAN_TTL */
+ nla_total_size(sizeof(__u8)) + /* IFLA_VXLAN_TTL_INHERIT */
nla_total_size(sizeof(__u8)) + /* IFLA_VXLAN_TOS */
nla_total_size(sizeof(__be32)) + /* IFLA_VXLAN_LABEL */
nla_total_size(sizeof(__u8)) + /* IFLA_VXLAN_LEARNING */
@@ -3601,6 +3602,8 @@ static int vxlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
}

if (nla_put_u8(skb, IFLA_VXLAN_TTL, vxlan->cfg.ttl) ||
+ nla_put_u8(skb, IFLA_VXLAN_TTL_INHERIT,
+ !!(vxlan->cfg.flags & VXLAN_F_TTL_INHERIT)) ||
nla_put_u8(skb, IFLA_VXLAN_TOS, vxlan->cfg.tos) ||
nla_put_be32(skb, IFLA_VXLAN_LABEL, vxlan->cfg.label) ||
nla_put_u8(skb, IFLA_VXLAN_LEARNING,
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index d4d4a55f09f8..c6f375e9cce7 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -89,6 +89,9 @@ static enum pci_protocol_version_t pci_protocol_version;

#define STATUS_REVISION_MISMATCH 0xC0000059

+/* space for 32bit serial number as string */
+#define SLOT_NAME_SIZE 11
+
/*
* Message Types
*/
@@ -494,6 +497,7 @@ struct hv_pci_dev {
struct list_head list_entry;
refcount_t refs;
enum hv_pcichild_state state;
+ struct pci_slot *pci_slot;
struct pci_function_description desc;
bool reported_missing;
struct hv_pcibus_device *hbus;
@@ -1457,6 +1461,34 @@ static void prepopulate_bars(struct hv_pcibus_device *hbus)
spin_unlock_irqrestore(&hbus->device_list_lock, flags);
}

+/*
+ * Assign entries in sysfs pci slot directory.
+ *
+ * Note that this function does not need to lock the children list
+ * because it is called from pci_devices_present_work which
+ * is serialized with hv_eject_device_work because they are on the
+ * same ordered workqueue. Therefore hbus->children list will not change
+ * even when pci_create_slot sleeps.
+ */
+static void hv_pci_assign_slots(struct hv_pcibus_device *hbus)
+{
+ struct hv_pci_dev *hpdev;
+ char name[SLOT_NAME_SIZE];
+ int slot_nr;
+
+ list_for_each_entry(hpdev, &hbus->children, list_entry) {
+ if (hpdev->pci_slot)
+ continue;
+
+ slot_nr = PCI_SLOT(wslot_to_devfn(hpdev->desc.win_slot.slot));
+ snprintf(name, SLOT_NAME_SIZE, "%u", hpdev->desc.ser);
+ hpdev->pci_slot = pci_create_slot(hbus->pci_bus, slot_nr,
+ name, NULL);
+ if (!hpdev->pci_slot)
+ pr_warn("pci_create slot %s failed\n", name);
+ }
+}
+
/**
* create_root_hv_pci_bus() - Expose a new root PCI bus
* @hbus: Root PCI bus, as understood by this driver
@@ -1480,6 +1512,7 @@ static int create_root_hv_pci_bus(struct hv_pcibus_device *hbus)
pci_lock_rescan_remove();
pci_scan_child_bus(hbus->pci_bus);
pci_bus_assign_resources(hbus->pci_bus);
+ hv_pci_assign_slots(hbus);
pci_bus_add_devices(hbus->pci_bus);
pci_unlock_rescan_remove();
hbus->state = hv_pcibus_installed;
@@ -1742,6 +1775,7 @@ static void pci_devices_present_work(struct work_struct *work)
*/
pci_lock_rescan_remove();
pci_scan_child_bus(hbus->pci_bus);
+ hv_pci_assign_slots(hbus);
pci_unlock_rescan_remove();
break;

@@ -1858,6 +1892,9 @@ static void hv_eject_device_work(struct work_struct *work)
list_del(&hpdev->list_entry);
spin_unlock_irqrestore(&hpdev->hbus->device_list_lock, flags);

+ if (hpdev->pci_slot)
+ pci_destroy_slot(hpdev->pci_slot);
+
memset(&ctxt, 0, sizeof(ctxt));
ejct_pkt = (struct pci_eject_response *)&ctxt.pkt.message;
ejct_pkt->message_type.type = PCI_EJECTION_COMPLETE;
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index a6347d487635..1321104b9b9f 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -474,7 +474,13 @@ static int armpmu_filter_match(struct perf_event *event)
{
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
unsigned int cpu = smp_processor_id();
- return cpumask_test_cpu(cpu, &armpmu->supported_cpus);
+ int ret;
+
+ ret = cpumask_test_cpu(cpu, &armpmu->supported_cpus);
+ if (ret && armpmu->filter_match)
+ return armpmu->filter_match(event);
+
+ return ret;
}

static ssize_t armpmu_cpumask_show(struct device *dev,
diff --git a/drivers/pinctrl/intel/pinctrl-cannonlake.c b/drivers/pinctrl/intel/pinctrl-cannonlake.c
index 6243e7d95e7e..d36afb17f5e4 100644
--- a/drivers/pinctrl/intel/pinctrl-cannonlake.c
+++ b/drivers/pinctrl/intel/pinctrl-cannonlake.c
@@ -382,7 +382,7 @@ static const struct intel_padgroup cnlh_community1_gpps[] = {
static const struct intel_padgroup cnlh_community3_gpps[] = {
CNL_GPP(0, 155, 178, 192), /* GPP_K */
CNL_GPP(1, 179, 202, 224), /* GPP_H */
- CNL_GPP(2, 203, 215, 258), /* GPP_E */
+ CNL_GPP(2, 203, 215, 256), /* GPP_E */
CNL_GPP(3, 216, 239, 288), /* GPP_F */
CNL_GPP(4, 240, 248, CNL_NO_GPIO), /* SPI */
};
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index 022307dd4b54..bef6ff2e8f4f 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -636,6 +636,14 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
return err;
}

+ return 0;
+}
+
+static int mcp23s08_irqchip_setup(struct mcp23s08 *mcp)
+{
+ struct gpio_chip *chip = &mcp->chip;
+ int err;
+
err = gpiochip_irqchip_add_nested(chip,
&mcp23s08_irq_chip,
0,
@@ -912,7 +920,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
}

if (mcp->irq && mcp->irq_controller) {
- ret = mcp23s08_irq_setup(mcp);
+ ret = mcp23s08_irqchip_setup(mcp);
if (ret)
goto fail;
}
@@ -944,6 +952,9 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
goto fail;
}

+ if (mcp->irq)
+ ret = mcp23s08_irq_setup(mcp);
+
fail:
if (ret < 0)
dev_dbg(dev, "can't setup chip %d, --> %d\n", addr, ret);
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index dbe7c7ac9ac8..fd77e46eb3b2 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -163,7 +163,7 @@ static bool pfn_array_table_iova_pinned(struct pfn_array_table *pat,

for (i = 0; i < pat->pat_nr; i++, pa++)
for (j = 0; j < pa->pa_nr; j++)
- if (pa->pa_iova_pfn[i] == iova_pfn)
+ if (pa->pa_iova_pfn[j] == iova_pfn)
return true;

return false;
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index fecf96f0225c..199d3ba1916d 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -374,8 +374,8 @@ struct atio_from_isp {
static inline int fcpcmd_is_corrupted(struct atio *atio)
{
if (atio->entry_type == ATIO_TYPE7 &&
- (le16_to_cpu(atio->attr_n_length & FCP_CMD_LENGTH_MASK) <
- FCP_CMD_LENGTH_MIN))
+ ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) <
+ FCP_CMD_LENGTH_MIN))
return 1;
else
return 0;
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index a4ecc9d77624..8e1c3cff567a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1419,7 +1419,8 @@ static void iscsit_do_crypto_hash_buf(struct ahash_request *hash,

sg_init_table(sg, ARRAY_SIZE(sg));
sg_set_buf(sg, buf, payload_length);
- sg_set_buf(sg + 1, pad_bytes, padding);
+ if (padding)
+ sg_set_buf(sg + 1, pad_bytes, padding);

ahash_request_set_crypt(hash, sg, data_crc, payload_length + padding);

@@ -3913,10 +3914,14 @@ static bool iscsi_target_check_conn_state(struct iscsi_conn *conn)
static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
{
int ret;
- u8 buffer[ISCSI_HDR_LEN], opcode;
+ u8 *buffer, opcode;
u32 checksum = 0, digest = 0;
struct kvec iov;

+ buffer = kcalloc(ISCSI_HDR_LEN, sizeof(*buffer), GFP_KERNEL);
+ if (!buffer)
+ return;
+
while (!kthread_should_stop()) {
/*
* Ensure that both TX and RX per connection kthreads
@@ -3924,7 +3929,6 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
*/
iscsit_thread_check_cpumask(conn, current, 0);

- memset(buffer, 0, ISCSI_HDR_LEN);
memset(&iov, 0, sizeof(struct kvec));

iov.iov_base = buffer;
@@ -3933,7 +3937,7 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
ret = rx_data(conn, &iov, 1, ISCSI_HDR_LEN);
if (ret != ISCSI_HDR_LEN) {
iscsit_rx_thread_wait_for_tcp(conn);
- return;
+ break;
}

if (conn->conn_ops->HeaderDigest) {
@@ -3943,7 +3947,7 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
ret = rx_data(conn, &iov, 1, ISCSI_CRC_LEN);
if (ret != ISCSI_CRC_LEN) {
iscsit_rx_thread_wait_for_tcp(conn);
- return;
+ break;
}

iscsit_do_crypto_hash_buf(conn->conn_rx_hash, buffer,
@@ -3967,7 +3971,7 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
}

if (conn->conn_state == TARG_CONN_STATE_IN_LOGOUT)
- return;
+ break;

opcode = buffer[0] & ISCSI_OPCODE_MASK;

@@ -3978,13 +3982,15 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *conn)
" while in Discovery Session, rejecting.\n", opcode);
iscsit_add_reject(conn, ISCSI_REASON_PROTOCOL_ERROR,
buffer);
- return;
+ break;
}

ret = iscsi_target_rx_opcode(conn, buffer);
if (ret < 0)
- return;
+ break;
}
+
+ kfree(buffer);
}

int iscsi_target_rx_thread(void *arg)
diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
index 8235b285dbb2..d09bab3bf224 100644
--- a/drivers/video/fbdev/aty/atyfb.h
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -333,6 +333,8 @@ extern const struct aty_pll_ops aty_pll_ct; /* Integrated */
extern void aty_set_pll_ct(const struct fb_info *info, const union aty_pll *pll);
extern u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par);

+extern const u8 aty_postdividers[8];
+

/*
* Hardware cursor support
@@ -359,7 +361,6 @@ static inline void wait_for_idle(struct atyfb_par *par)

extern void aty_reset_engine(const struct atyfb_par *par);
extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info);
-extern u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par);

void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index a9a8272f7a6e..05111e90f168 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -3087,17 +3087,18 @@ static int atyfb_setup_sparc(struct pci_dev *pdev, struct fb_info *info,
/*
* PLL Reference Divider M:
*/
- M = pll_regs[2];
+ M = pll_regs[PLL_REF_DIV];

/*
* PLL Feedback Divider N (Dependent on CLOCK_CNTL):
*/
- N = pll_regs[7 + (clock_cntl & 3)];
+ N = pll_regs[VCLK0_FB_DIV + (clock_cntl & 3)];

/*
* PLL Post Divider P (Dependent on CLOCK_CNTL):
*/
- P = 1 << (pll_regs[6] >> ((clock_cntl & 3) << 1));
+ P = aty_postdividers[((pll_regs[VCLK_POST_DIV] >> ((clock_cntl & 3) << 1)) & 3) |
+ ((pll_regs[PLL_EXT_CNTL] >> (2 + (clock_cntl & 3))) & 4)];

/*
* PLL Divider Q:
diff --git a/drivers/video/fbdev/aty/mach64_ct.c b/drivers/video/fbdev/aty/mach64_ct.c
index 74a62aa193c0..f87cc81f4fa2 100644
--- a/drivers/video/fbdev/aty/mach64_ct.c
+++ b/drivers/video/fbdev/aty/mach64_ct.c
@@ -115,7 +115,7 @@ static void aty_st_pll_ct(int offset, u8 val, const struct atyfb_par *par)
*/

#define Maximum_DSP_PRECISION 7
-static u8 postdividers[] = {1,2,4,8,3};
+const u8 aty_postdividers[8] = {1,2,4,8,3,5,6,12};

static int aty_dsp_gt(const struct fb_info *info, u32 bpp, struct pll_ct *pll)
{
@@ -222,7 +222,7 @@ static int aty_valid_pll_ct(const struct fb_info *info, u32 vclk_per, struct pll
pll->vclk_post_div += (q < 64*8);
pll->vclk_post_div += (q < 32*8);
}
- pll->vclk_post_div_real = postdividers[pll->vclk_post_div];
+ pll->vclk_post_div_real = aty_postdividers[pll->vclk_post_div];
// pll->vclk_post_div <<= 6;
pll->vclk_fb_div = q * pll->vclk_post_div_real / 8;
pllvclk = (1000000 * 2 * pll->vclk_fb_div) /
@@ -513,7 +513,7 @@ static int aty_init_pll_ct(const struct fb_info *info, union aty_pll *pll)
u8 mclk_fb_div, pll_ext_cntl;
pll->ct.pll_ref_div = aty_ld_pll_ct(PLL_REF_DIV, par);
pll_ext_cntl = aty_ld_pll_ct(PLL_EXT_CNTL, par);
- pll->ct.xclk_post_div_real = postdividers[pll_ext_cntl & 0x07];
+ pll->ct.xclk_post_div_real = aty_postdividers[pll_ext_cntl & 0x07];
mclk_fb_div = aty_ld_pll_ct(MCLK_FB_DIV, par);
if (pll_ext_cntl & PLL_MFB_TIMES_4_2B)
mclk_fb_div <<= 1;
@@ -535,7 +535,7 @@ static int aty_init_pll_ct(const struct fb_info *info, union aty_pll *pll)
xpost_div += (q < 64*8);
xpost_div += (q < 32*8);
}
- pll->ct.xclk_post_div_real = postdividers[xpost_div];
+ pll->ct.xclk_post_div_real = aty_postdividers[xpost_div];
pll->ct.mclk_fb_div = q * pll->ct.xclk_post_div_real / 8;

#ifdef CONFIG_PPC
@@ -584,7 +584,7 @@ static int aty_init_pll_ct(const struct fb_info *info, union aty_pll *pll)
mpost_div += (q < 64*8);
mpost_div += (q < 32*8);
}
- sclk_post_div_real = postdividers[mpost_div];
+ sclk_post_div_real = aty_postdividers[mpost_div];
pll->ct.sclk_fb_div = q * sclk_post_div_real / 8;
pll->ct.spll_cntl2 = mpost_div << 4;
#ifdef DEBUG
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index a1b18082991b..b6735ae3334e 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -690,8 +690,6 @@ static void afs_process_async_call(struct work_struct *work)
}

if (call->state == AFS_CALL_COMPLETE) {
- call->reply[0] = NULL;
-
/* We have two refs to release - one from the alloc and one
* queued with the work item - and we can't just deallocate the
* call because the work item may be queued again.
diff --git a/fs/dax.c b/fs/dax.c
index 94f9fe002b12..0d3f640653c0 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -558,6 +558,8 @@ struct page *dax_layout_busy_page(struct address_space *mapping)
while (index < end && pagevec_lookup_entries(&pvec, mapping, index,
min(end - index, (pgoff_t)PAGEVEC_SIZE),
indices)) {
+ pgoff_t nr_pages = 1;
+
for (i = 0; i < pagevec_count(&pvec); i++) {
struct page *pvec_ent = pvec.pages[i];
void *entry;
@@ -571,8 +573,15 @@ struct page *dax_layout_busy_page(struct address_space *mapping)

xa_lock_irq(&mapping->i_pages);
entry = get_unlocked_mapping_entry(mapping, index, NULL);
- if (entry)
+ if (entry) {
page = dax_busy_page(entry);
+ /*
+ * Account for multi-order entries at
+ * the end of the pagevec.
+ */
+ if (i + 1 >= pagevec_count(&pvec))
+ nr_pages = 1UL << dax_radix_order(entry);
+ }
put_unlocked_mapping_entry(mapping, index, entry);
xa_unlock_irq(&mapping->i_pages);
if (page)
@@ -580,7 +589,7 @@ struct page *dax_layout_busy_page(struct address_space *mapping)
}
pagevec_remove_exceptionals(&pvec);
pagevec_release(&pvec);
- index++;
+ index += nr_pages;

if (page)
break;
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index c0e68f903011..04da6a7c9d2d 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -412,6 +412,7 @@ struct cgroup {
* specific task are charged to the dom_cgrp.
*/
struct cgroup *dom_cgrp;
+ struct cgroup *old_dom_cgrp; /* used while enabling threaded */

/* per-cpu recursive resource statistics */
struct cgroup_rstat_cpu __percpu *rstat_cpu;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3d0cc0b5cec2..3045a5cee0d8 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2420,6 +2420,13 @@ struct netdev_notifier_info {
struct netlink_ext_ack *extack;
};

+struct netdev_notifier_info_ext {
+ struct netdev_notifier_info info; /* must be first */
+ union {
+ u32 mtu;
+ } ext;
+};
+
struct netdev_notifier_change_info {
struct netdev_notifier_info info; /* must be first */
unsigned int flags_changed;
diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h
index ad5444491975..a2f6e178a2d7 100644
--- a/include/linux/perf/arm_pmu.h
+++ b/include/linux/perf/arm_pmu.h
@@ -93,6 +93,7 @@ struct arm_pmu {
void (*stop)(struct arm_pmu *);
void (*reset)(void *);
int (*map_event)(struct perf_event *event);
+ int (*filter_match)(struct perf_event *event);
int num_events;
u64 max_period;
bool secure_access; /* 32-bit ARM only */
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 32feac5bbd75..f62e7721cd71 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -30,6 +30,7 @@

#define MTL_MAX_RX_QUEUES 8
#define MTL_MAX_TX_QUEUES 8
+#define STMMAC_CH_MAX 8

#define STMMAC_RX_COE_NONE 0
#define STMMAC_RX_COE_TYPE1 1
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 9397628a1967..cb462f9ab7dd 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -5,6 +5,24 @@
#include <linux/if_vlan.h>
#include <uapi/linux/virtio_net.h>

+static inline int virtio_net_hdr_set_proto(struct sk_buff *skb,
+ const struct virtio_net_hdr *hdr)
+{
+ switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
+ case VIRTIO_NET_HDR_GSO_TCPV4:
+ case VIRTIO_NET_HDR_GSO_UDP:
+ skb->protocol = cpu_to_be16(ETH_P_IP);
+ break;
+ case VIRTIO_NET_HDR_GSO_TCPV6:
+ skb->protocol = cpu_to_be16(ETH_P_IPV6);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
const struct virtio_net_hdr *hdr,
bool little_endian)
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 808f1d167349..a4f116f06c50 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -139,12 +139,6 @@ struct bond_parm_tbl {
int mode;
};

-struct netdev_notify_work {
- struct delayed_work work;
- struct net_device *dev;
- struct netdev_bonding_info bonding_info;
-};
-
struct slave {
struct net_device *dev; /* first - useful for panic debug */
struct bonding *bond; /* our master */
@@ -172,6 +166,7 @@ struct slave {
#ifdef CONFIG_NET_POLL_CONTROLLER
struct netpoll *np;
#endif
+ struct delayed_work notify_work;
struct kobject kobj;
struct rtnl_link_stats64 slave_stats;
};
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 83d5b3c2ac42..7dba2d116e8c 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -130,12 +130,6 @@ static inline int inet_request_bound_dev_if(const struct sock *sk,
return sk->sk_bound_dev_if;
}

-static inline struct ip_options_rcu *ireq_opt_deref(const struct inet_request_sock *ireq)
-{
- return rcu_dereference_check(ireq->ireq_opt,
- refcount_read(&ireq->req.rsk_refcnt) > 0);
-}
-
struct inet_cork {
unsigned int flags;
__be32 addr;
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 69c91d1934c1..c9b7b136939d 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -394,6 +394,7 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev);
int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
int fib_sync_down_addr(struct net_device *dev, __be32 local);
int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
+void fib_sync_mtu(struct net_device *dev, u32 orig_mtu);

#ifdef CONFIG_IP_ROUTE_MULTIPATH
int fib_multipath_hash(const struct net *net, const struct flowi4 *fl4,
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index c052afc27547..138e976a2ba2 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -355,6 +355,7 @@ void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus);
void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus);
void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus);
void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus);
+int snd_hdac_bus_reset_link(struct hdac_bus *bus, bool full_reset);

void snd_hdac_bus_update_rirb(struct hdac_bus *bus);
int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status,
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index a6ce2de4e20a..be3bee1cf91f 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -410,6 +410,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card);
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card);
int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd,
const struct snd_soc_pcm_stream *params,
unsigned int num_params,
struct snd_soc_dapm_widget *source,
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 2590700237c1..138f0302692e 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -1844,7 +1844,7 @@ static int btf_check_all_metas(struct btf_verifier_env *env)

hdr = &btf->hdr;
cur = btf->nohdr_data + hdr->type_off;
- end = btf->nohdr_data + hdr->type_len;
+ end = cur + hdr->type_len;

env->log_type_id = 1;
while (cur < end) {
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 077370bf8964..6e052c899cab 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2833,11 +2833,12 @@ void cgroup_lock_and_drain_offline(struct cgroup *cgrp)
}

/**
- * cgroup_save_control - save control masks of a subtree
+ * cgroup_save_control - save control masks and dom_cgrp of a subtree
* @cgrp: root of the target subtree
*
- * Save ->subtree_control and ->subtree_ss_mask to the respective old_
- * prefixed fields for @cgrp's subtree including @cgrp itself.
+ * Save ->subtree_control, ->subtree_ss_mask and ->dom_cgrp to the
+ * respective old_ prefixed fields for @cgrp's subtree including @cgrp
+ * itself.
*/
static void cgroup_save_control(struct cgroup *cgrp)
{
@@ -2847,6 +2848,7 @@ static void cgroup_save_control(struct cgroup *cgrp)
cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {
dsct->old_subtree_control = dsct->subtree_control;
dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;
+ dsct->old_dom_cgrp = dsct->dom_cgrp;
}
}

@@ -2872,11 +2874,12 @@ static void cgroup_propagate_control(struct cgroup *cgrp)
}

/**
- * cgroup_restore_control - restore control masks of a subtree
+ * cgroup_restore_control - restore control masks and dom_cgrp of a subtree
* @cgrp: root of the target subtree
*
- * Restore ->subtree_control and ->subtree_ss_mask from the respective old_
- * prefixed fields for @cgrp's subtree including @cgrp itself.
+ * Restore ->subtree_control, ->subtree_ss_mask and ->dom_cgrp from the
+ * respective old_ prefixed fields for @cgrp's subtree including @cgrp
+ * itself.
*/
static void cgroup_restore_control(struct cgroup *cgrp)
{
@@ -2886,6 +2889,7 @@ static void cgroup_restore_control(struct cgroup *cgrp)
cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {
dsct->subtree_control = dsct->old_subtree_control;
dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;
+ dsct->dom_cgrp = dsct->old_dom_cgrp;
}
}

@@ -3193,6 +3197,8 @@ static int cgroup_enable_threaded(struct cgroup *cgrp)
{
struct cgroup *parent = cgroup_parent(cgrp);
struct cgroup *dom_cgrp = parent->dom_cgrp;
+ struct cgroup *dsct;
+ struct cgroup_subsys_state *d_css;
int ret;

lockdep_assert_held(&cgroup_mutex);
@@ -3222,12 +3228,13 @@ static int cgroup_enable_threaded(struct cgroup *cgrp)
*/
cgroup_save_control(cgrp);

- cgrp->dom_cgrp = dom_cgrp;
+ cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)
+ if (dsct == cgrp || cgroup_is_threaded(dsct))
+ dsct->dom_cgrp = dom_cgrp;
+
ret = cgroup_apply_control(cgrp);
if (!ret)
parent->nr_threaded_children++;
- else
- cgrp->dom_cgrp = cgrp;

cgroup_finalize_control(cgrp, ret);
return ret;
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index cda186230287..8e58928e8227 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2769,7 +2769,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
copy = end - str;
memcpy(str, args, copy);
str += len;
- args += len;
+ args += len + 1;
}
}
if (process)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 571875b37453..f7274e0c8bdc 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2883,9 +2883,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
if (!(pvmw->pmd && !pvmw->pte))
return;

- mmu_notifier_invalidate_range_start(mm, address,
- address + HPAGE_PMD_SIZE);
-
flush_cache_range(vma, address, address + HPAGE_PMD_SIZE);
pmdval = *pvmw->pmd;
pmdp_invalidate(vma, address, pvmw->pmd);
@@ -2898,9 +2895,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
set_pmd_at(mm, address, pvmw->pmd, pmdswp);
page_remove_rmap(page, true);
put_page(page);
-
- mmu_notifier_invalidate_range_end(mm, address,
- address + HPAGE_PMD_SIZE);
}

void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
diff --git a/mm/mmap.c b/mm/mmap.c
index 17bbf4d3e24f..080c6b9b1d65 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1410,7 +1410,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr,
if (flags & MAP_FIXED_NOREPLACE) {
struct vm_area_struct *vma = find_vma(mm, addr);

- if (vma && vma->vm_start <= addr)
+ if (vma && vma->vm_start < addr + len)
return -EEXIST;
}

diff --git a/mm/percpu.c b/mm/percpu.c
index 0b6480979ac7..074732f3c209 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1204,6 +1204,7 @@ static void pcpu_free_chunk(struct pcpu_chunk *chunk)
{
if (!chunk)
return;
+ pcpu_mem_free(chunk->md_blocks);
pcpu_mem_free(chunk->bound_map);
pcpu_mem_free(chunk->alloc_map);
pcpu_mem_free(chunk);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 03822f86f288..fc0436407471 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -386,6 +386,17 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
delta = freeable >> priority;
delta *= 4;
do_div(delta, shrinker->seeks);
+
+ /*
+ * Make sure we apply some minimal pressure on default priority
+ * even on small cgroups. Stale objects are not only consuming memory
+ * by themselves, but can also hold a reference to a dying cgroup,
+ * preventing it from being reclaimed. A dying cgroup with all
+ * corresponding structures like per-cpu stats and kmem caches
+ * can be really big, so it may lead to a significant waste of memory.
+ */
+ delta = max_t(unsigned long long, delta, min(freeable, batch_size));
+
total_scan += delta;
if (total_scan < 0) {
pr_err("shrink_slab: %pF negative objects to delete nr=%ld\n",
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 55a5bb1d773d..7878da76abf2 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1286,7 +1286,6 @@ const char * const vmstat_text[] = {
#ifdef CONFIG_DEBUG_VM_VMACACHE
"vmacache_find_calls",
"vmacache_find_hits",
- "vmacache_full_flushes",
#endif
#ifdef CONFIG_SWAP
"swap_ra",
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index ae91e2d40056..3a7b0773536b 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -83,6 +83,7 @@ enum {

struct smp_dev {
/* Secure Connections OOB data */
+ bool local_oob;
u8 local_pk[64];
u8 local_rand[16];
bool debug_key;
@@ -599,6 +600,8 @@ int smp_generate_oob(struct hci_dev *hdev, u8 hash[16], u8 rand[16])

memcpy(rand, smp->local_rand, 16);

+ smp->local_oob = true;
+
return 0;
}

@@ -1785,7 +1788,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
* successfully received our local OOB data - therefore set the
* flag to indicate that local OOB is in use.
*/
- if (req->oob_flag == SMP_OOB_PRESENT)
+ if (req->oob_flag == SMP_OOB_PRESENT && SMP_DEV(hdev)->local_oob)
set_bit(SMP_FLAG_LOCAL_OOB, &smp->flags);

/* SMP over BR/EDR requires special treatment */
@@ -1967,7 +1970,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
* successfully received our local OOB data - therefore set the
* flag to indicate that local OOB is in use.
*/
- if (rsp->oob_flag == SMP_OOB_PRESENT)
+ if (rsp->oob_flag == SMP_OOB_PRESENT && SMP_DEV(hdev)->local_oob)
set_bit(SMP_FLAG_LOCAL_OOB, &smp->flags);

smp->prsp[0] = SMP_CMD_PAIRING_RSP;
@@ -2697,7 +2700,13 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb)
* key was set/generated.
*/
if (test_bit(SMP_FLAG_LOCAL_OOB, &smp->flags)) {
- struct smp_dev *smp_dev = chan->data;
+ struct l2cap_chan *hchan = hdev->smp_data;
+ struct smp_dev *smp_dev;
+
+ if (!hchan || !hchan->data)
+ return SMP_UNSPECIFIED;
+
+ smp_dev = hchan->data;

tfm_ecdh = smp_dev->tfm_ecdh;
} else {
@@ -3230,6 +3239,7 @@ static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid)
return ERR_CAST(tfm_ecdh);
}

+ smp->local_oob = false;
smp->tfm_aes = tfm_aes;
smp->tfm_cmac = tfm_cmac;
smp->tfm_ecdh = tfm_ecdh;
diff --git a/net/core/dev.c b/net/core/dev.c
index 559a91271f82..bf669e77f9f3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1754,6 +1754,28 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
}
EXPORT_SYMBOL(call_netdevice_notifiers);

+/**
+ * call_netdevice_notifiers_mtu - call all network notifier blocks
+ * @val: value passed unmodified to notifier function
+ * @dev: net_device pointer passed unmodified to notifier function
+ * @arg: additional u32 argument passed to the notifier function
+ *
+ * Call all network notifier blocks. Parameters and return value
+ * are as for raw_notifier_call_chain().
+ */
+static int call_netdevice_notifiers_mtu(unsigned long val,
+ struct net_device *dev, u32 arg)
+{
+ struct netdev_notifier_info_ext info = {
+ .info.dev = dev,
+ .ext.mtu = arg,
+ };
+
+ BUILD_BUG_ON(offsetof(struct netdev_notifier_info_ext, info) != 0);
+
+ return call_netdevice_notifiers_info(val, &info.info);
+}
+
#ifdef CONFIG_NET_INGRESS
static DEFINE_STATIC_KEY_FALSE(ingress_needed_key);

@@ -7118,14 +7140,16 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
err = __dev_set_mtu(dev, new_mtu);

if (!err) {
- err = call_netdevice_notifiers(NETDEV_CHANGEMTU, dev);
+ err = call_netdevice_notifiers_mtu(NETDEV_CHANGEMTU, dev,
+ orig_mtu);
err = notifier_to_errno(err);
if (err) {
/* setting mtu back and notifying everyone again,
* so that they have a chance to revert changes.
*/
__dev_set_mtu(dev, orig_mtu);
- call_netdevice_notifiers(NETDEV_CHANGEMTU, dev);
+ call_netdevice_notifiers_mtu(NETDEV_CHANGEMTU, dev,
+ new_mtu);
}
}
return err;
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index e677a20180cf..6c04f1bf377d 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2623,6 +2623,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GPHYSTATS:
case ETHTOOL_GTSO:
case ETHTOOL_GPERMADDR:
+ case ETHTOOL_GUFO:
case ETHTOOL_GGSO:
case ETHTOOL_GGRO:
case ETHTOOL_GFLAGS:
diff --git a/net/core/filter.c b/net/core/filter.c
index 963ee2e88861..0b2bd7d3220f 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2334,7 +2334,8 @@ BPF_CALL_4(bpf_msg_pull_data,
if (unlikely(bytes_sg_total > copy))
return -EINVAL;

- page = alloc_pages(__GFP_NOWARN | GFP_ATOMIC, get_order(copy));
+ page = alloc_pages(__GFP_NOWARN | GFP_ATOMIC | __GFP_COMP,
+ get_order(copy));
if (unlikely(!page))
return -ENOMEM;
p = page_address(page);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index bafaa033826f..18de39dbdc30 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1848,10 +1848,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
if (tb[IFLA_IF_NETNSID]) {
netnsid = nla_get_s32(tb[IFLA_IF_NETNSID]);
tgt_net = get_target_net(skb->sk, netnsid);
- if (IS_ERR(tgt_net)) {
- tgt_net = net;
- netnsid = -1;
- }
+ if (IS_ERR(tgt_net))
+ return PTR_ERR(tgt_net);
}

if (tb[IFLA_EXT_MASK])
@@ -2787,6 +2785,12 @@ struct net_device *rtnl_create_link(struct net *net,
else if (ops->get_num_rx_queues)
num_rx_queues = ops->get_num_rx_queues();

+ if (num_tx_queues < 1 || num_tx_queues > 4096)
+ return ERR_PTR(-EINVAL);
+
+ if (num_rx_queues < 1 || num_rx_queues > 4096)
+ return ERR_PTR(-EINVAL);
+
dev = alloc_netdev_mqs(ops->priv_size, ifname, name_assign_type,
ops->setup, num_tx_queues, num_rx_queues);
if (!dev)
@@ -3694,16 +3698,27 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
int err = 0;
int fidx = 0;

- err = nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb,
- IFLA_MAX, ifla_policy, NULL);
- if (err < 0) {
- return -EINVAL;
- } else if (err == 0) {
- if (tb[IFLA_MASTER])
- br_idx = nla_get_u32(tb[IFLA_MASTER]);
- }
+ /* A hack to preserve kernel<->userspace interface.
+ * Before Linux v4.12 this code accepted ndmsg since iproute2 v3.3.0.
+ * However, ndmsg is shorter than ifinfomsg thus nlmsg_parse() bails.
+ * So, check for ndmsg with an optional u32 attribute (not used here).
+ * Fortunately these sizes don't conflict with the size of ifinfomsg
+ * with an optional attribute.
+ */
+ if (nlmsg_len(cb->nlh) != sizeof(struct ndmsg) &&
+ (nlmsg_len(cb->nlh) != sizeof(struct ndmsg) +
+ nla_attr_size(sizeof(u32)))) {
+ err = nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb,
+ IFLA_MAX, ifla_policy, NULL);
+ if (err < 0) {
+ return -EINVAL;
+ } else if (err == 0) {
+ if (tb[IFLA_MASTER])
+ br_idx = nla_get_u32(tb[IFLA_MASTER]);
+ }

- brport_idx = ifm->ifi_index;
+ brport_idx = ifm->ifi_index;
+ }

if (br_idx) {
br_dev = __dev_get_by_index(net, br_idx);
diff --git a/net/dccp/input.c b/net/dccp/input.c
index d28d46bff6ab..85d6c879383d 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -606,11 +606,13 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
if (sk->sk_state == DCCP_LISTEN) {
if (dh->dccph_type == DCCP_PKT_REQUEST) {
/* It is possible that we process SYN packets from backlog,
- * so we need to make sure to disable BH right there.
+ * so we need to make sure to disable BH and RCU right there.
*/
+ rcu_read_lock();
local_bh_disable();
acceptable = inet_csk(sk)->icsk_af_ops->conn_request(sk, skb) >= 0;
local_bh_enable();
+ rcu_read_unlock();
if (!acceptable)
return 1;
consume_skb(skb);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b08feb219b44..8e08cea6f178 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -493,9 +493,11 @@ static int dccp_v4_send_response(const struct sock *sk, struct request_sock *req

dh->dccph_checksum = dccp_v4_csum_finish(skb, ireq->ir_loc_addr,
ireq->ir_rmt_addr);
+ rcu_read_lock();
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
- ireq_opt_deref(ireq));
+ rcu_dereference(ireq->ireq_opt));
+ rcu_read_unlock();
err = net_xmit_eval(err);
}

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 2998b0e47d4b..0113993e9b2c 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1243,7 +1243,8 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
- struct netdev_notifier_changeupper_info *info;
+ struct netdev_notifier_changeupper_info *upper_info = ptr;
+ struct netdev_notifier_info_ext *info_ext = ptr;
struct in_device *in_dev;
struct net *net = dev_net(dev);
unsigned int flags;
@@ -1278,16 +1279,19 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
fib_sync_up(dev, RTNH_F_LINKDOWN);
else
fib_sync_down_dev(dev, event, false);
- /* fall through */
+ rt_cache_flush(net);
+ break;
case NETDEV_CHANGEMTU:
+ fib_sync_mtu(dev, info_ext->ext.mtu);
rt_cache_flush(net);
break;
case NETDEV_CHANGEUPPER:
- info = ptr;
+ upper_info = ptr;
/* flush all routes if dev is linked to or unlinked from
* an L3 master device (e.g., VRF)
*/
- if (info->upper_dev && netif_is_l3_master(info->upper_dev))
+ if (upper_info->upper_dev &&
+ netif_is_l3_master(upper_info->upper_dev))
fib_disable_ip(dev, NETDEV_DOWN, true);
break;
}
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index f3c89ccf14c5..446204ca7406 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1470,6 +1470,56 @@ static int call_fib_nh_notifiers(struct fib_nh *fib_nh,
return NOTIFY_DONE;
}

+/* Update the PMTU of exceptions when:
+ * - the new MTU of the first hop becomes smaller than the PMTU
+ * - the old MTU was the same as the PMTU, and it limited discovery of
+ * larger MTUs on the path. With that limit raised, we can now
+ * discover larger MTUs
+ * A special case is locked exceptions, for which the PMTU is smaller
+ * than the minimal accepted PMTU:
+ * - if the new MTU is greater than the PMTU, don't make any change
+ * - otherwise, unlock and set PMTU
+ */
+static void nh_update_mtu(struct fib_nh *nh, u32 new, u32 orig)
+{
+ struct fnhe_hash_bucket *bucket;
+ int i;
+
+ bucket = rcu_dereference_protected(nh->nh_exceptions, 1);
+ if (!bucket)
+ return;
+
+ for (i = 0; i < FNHE_HASH_SIZE; i++) {
+ struct fib_nh_exception *fnhe;
+
+ for (fnhe = rcu_dereference_protected(bucket[i].chain, 1);
+ fnhe;
+ fnhe = rcu_dereference_protected(fnhe->fnhe_next, 1)) {
+ if (fnhe->fnhe_mtu_locked) {
+ if (new <= fnhe->fnhe_pmtu) {
+ fnhe->fnhe_pmtu = new;
+ fnhe->fnhe_mtu_locked = false;
+ }
+ } else if (new < fnhe->fnhe_pmtu ||
+ orig == fnhe->fnhe_pmtu) {
+ fnhe->fnhe_pmtu = new;
+ }
+ }
+ }
+}
+
+void fib_sync_mtu(struct net_device *dev, u32 orig_mtu)
+{
+ unsigned int hash = fib_devindex_hashfn(dev->ifindex);
+ struct hlist_head *head = &fib_info_devhash[hash];
+ struct fib_nh *nh;
+
+ hlist_for_each_entry(nh, head, nh_hash) {
+ if (nh->nh_dev == dev)
+ nh_update_mtu(nh, dev->mtu, orig_mtu);
+ }
+}
+
/* Event force Flags Description
* NETDEV_CHANGE 0 LINKDOWN Carrier OFF, not for scope host
* NETDEV_DOWN 0 LINKDOWN|DEAD Link down, not for scope host
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 33a88e045efd..39cfa3a191d8 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -535,7 +535,8 @@ struct dst_entry *inet_csk_route_req(const struct sock *sk,
struct ip_options_rcu *opt;
struct rtable *rt;

- opt = ireq_opt_deref(ireq);
+ rcu_read_lock();
+ opt = rcu_dereference(ireq->ireq_opt);

flowi4_init_output(fl4, ireq->ir_iif, ireq->ir_mark,
RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE,
@@ -549,11 +550,13 @@ struct dst_entry *inet_csk_route_req(const struct sock *sk,
goto no_route;
if (opt && opt->opt.is_strictroute && rt->rt_uses_gateway)
goto route_err;
+ rcu_read_unlock();
return &rt->dst;

route_err:
ip_rt_put(rt);
no_route:
+ rcu_read_unlock();
__IP_INC_STATS(net, IPSTATS_MIB_OUTNOROUTES);
return NULL;
}
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index c0fe5ad996f2..26c36cccabdc 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -149,7 +149,6 @@ static void ip_cmsg_recv_security(struct msghdr *msg, struct sk_buff *skb)
static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
{
struct sockaddr_in sin;
- const struct iphdr *iph = ip_hdr(skb);
__be16 *ports;
int end;

@@ -164,7 +163,7 @@ static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
ports = (__be16 *)skb_transport_header(skb);

sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = iph->daddr;
+ sin.sin_addr.s_addr = ip_hdr(skb)->daddr;
sin.sin_port = ports[1];
memset(sin.sin_zero, 0, sizeof(sin.sin_zero));

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index c4f5602308ed..284a22154b4e 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -627,6 +627,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params, u8 protocol)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
+ unsigned int inner_nhdr_len = 0;
const struct iphdr *inner_iph;
struct flowi4 fl4;
u8 tos, ttl;
@@ -636,6 +637,14 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
__be32 dst;
bool connected;

+ /* ensure we can access the inner net header, for several users below */
+ if (skb->protocol == htons(ETH_P_IP))
+ inner_nhdr_len = sizeof(struct iphdr);
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ inner_nhdr_len = sizeof(struct ipv6hdr);
+ if (unlikely(!pskb_may_pull(skb, inner_nhdr_len)))
+ goto tx_error;
+
inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
connected = (tunnel->parms.iph.daddr != 0);

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1df6e97106d7..f80acb5f1896 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1001,21 +1001,22 @@ out: kfree_skb(skb);
static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
{
struct dst_entry *dst = &rt->dst;
+ u32 old_mtu = ipv4_mtu(dst);
struct fib_result res;
bool lock = false;

if (ip_mtu_locked(dst))
return;

- if (ipv4_mtu(dst) < mtu)
+ if (old_mtu < mtu)
return;

if (mtu < ip_rt_min_pmtu) {
lock = true;
- mtu = ip_rt_min_pmtu;
+ mtu = min(old_mtu, ip_rt_min_pmtu);
}

- if (rt->rt_pmtu == mtu &&
+ if (rt->rt_pmtu == mtu && !lock &&
time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
return;

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index f9dcb29be12d..8b7294688633 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5976,11 +5976,13 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
if (th->fin)
goto discard;
/* It is possible that we process SYN packets from backlog,
- * so we need to make sure to disable BH right there.
+ * so we need to make sure to disable BH and RCU right there.
*/
+ rcu_read_lock();
local_bh_disable();
acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;
local_bh_enable();
+ rcu_read_unlock();

if (!acceptable)
return 1;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 488b201851d7..d380856ba488 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -942,9 +942,11 @@ static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst,
if (skb) {
__tcp_v4_send_check(skb, ireq->ir_loc_addr, ireq->ir_rmt_addr);

+ rcu_read_lock();
err = ip_build_and_send_pkt(skb, sk, ireq->ir_loc_addr,
ireq->ir_rmt_addr,
- ireq_opt_deref(ireq));
+ rcu_dereference(ireq->ireq_opt));
+ rcu_read_unlock();
err = net_xmit_eval(err);
}

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index fed65bc9df86..a12df801de94 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1631,7 +1631,7 @@ struct sk_buff *__skb_recv_udp(struct sock *sk, unsigned int flags,
*err = error;
return NULL;
}
-EXPORT_SYMBOL_GPL(__skb_recv_udp);
+EXPORT_SYMBOL(__skb_recv_udp);

/*
* This should be easy, if there is something there we
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f66a1cae3366..3484c7020fd9 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4203,7 +4203,6 @@ static struct inet6_ifaddr *if6_get_first(struct seq_file *seq, loff_t pos)
p++;
continue;
}
- state->offset++;
return ifa;
}

@@ -4227,13 +4226,12 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
return ifa;
}

+ state->offset = 0;
while (++state->bucket < IN6_ADDR_HSIZE) {
- state->offset = 0;
hlist_for_each_entry_rcu(ifa,
&inet6_addr_lst[state->bucket], addr_lst) {
if (!net_eq(dev_net(ifa->idev->dev), net))
continue;
- state->offset++;
return ifa;
}
}
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5516f55e214b..cbe46175bb59 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -196,6 +196,8 @@ void fib6_info_destroy_rcu(struct rcu_head *head)
*ppcpu_rt = NULL;
}
}
+
+ free_percpu(f6i->rt6i_pcpu);
}

lwtstate_put(f6i->fib6_nh.nh_lwtstate);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 1cc9650af9fb..f5b5b0574a2d 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1226,7 +1226,7 @@ static inline int
ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- const struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph;
int encap_limit = -1;
struct flowi6 fl6;
__u8 dsfield;
@@ -1234,6 +1234,11 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
u8 tproto;
int err;

+ /* ensure we can access the full inner ip header */
+ if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+ return -1;
+
+ iph = ip_hdr(skb);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));

tproto = READ_ONCE(t->parms.proto);
@@ -1297,7 +1302,7 @@ static inline int
ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ struct ipv6hdr *ipv6h;
int encap_limit = -1;
__u16 offset;
struct flowi6 fl6;
@@ -1306,6 +1311,10 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
u8 tproto;
int err;

+ if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h))))
+ return -1;
+
+ ipv6h = ipv6_hdr(skb);
tproto = READ_ONCE(t->parms.proto);
if ((tproto != IPPROTO_IPV6 && tproto != 0) ||
ip6_tnl_addr_conflict(t, ipv6h))
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index afc307c89d1a..7ef3e0a5bf86 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -650,8 +650,6 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
skb->protocol = htons(ETH_P_IPV6);
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
- skb_dst_set(skb, &rt->dst);
- *dstp = NULL;

skb_put(skb, length);
skb_reset_network_header(skb);
@@ -664,8 +662,14 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,

skb->transport_header = skb->network_header;
err = memcpy_from_msg(iph, msg, length);
- if (err)
- goto error_fault;
+ if (err) {
+ err = -EFAULT;
+ kfree_skb(skb);
+ goto error;
+ }
+
+ skb_dst_set(skb, &rt->dst);
+ *dstp = NULL;

/* if egress device is enslaved to an L3 master device pass the
* skb to its handler for processing
@@ -674,21 +678,28 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
if (unlikely(!skb))
return 0;

+ /* Acquire rcu_read_lock() in case we need to use rt->rt6i_idev
+ * in the error path. Since skb has been freed, the dst could
+ * have been queued for deletion.
+ */
+ rcu_read_lock();
IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, net, sk, skb,
NULL, rt->dst.dev, dst_output);
if (err > 0)
err = net_xmit_errno(err);
- if (err)
- goto error;
+ if (err) {
+ IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
+ rcu_read_unlock();
+ goto error_check;
+ }
+ rcu_read_unlock();
out:
return 0;

-error_fault:
- err = -EFAULT;
- kfree_skb(skb);
error:
IP6_INC_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUTDISCARDS);
+error_check:
if (err == -ENOBUFS && !np->recverr)
err = 0;
return err;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 480a79f47c52..ed526e257da6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -4314,11 +4314,6 @@ static int ip6_route_info_append(struct net *net,
if (!nh)
return -ENOMEM;
nh->fib6_info = rt;
- err = ip6_convert_metrics(net, rt, r_cfg);
- if (err) {
- kfree(nh);
- return err;
- }
memcpy(&nh->r_cfg, r_cfg, sizeof(*r_cfg));
list_add_tail(&nh->next, rt6_nh_list);

diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index c070dfc0190a..c92894c3e40a 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -781,7 +781,8 @@ static int netlbl_unlabel_addrinfo_get(struct genl_info *info,
{
u32 addr_len;

- if (info->attrs[NLBL_UNLABEL_A_IPV4ADDR]) {
+ if (info->attrs[NLBL_UNLABEL_A_IPV4ADDR] &&
+ info->attrs[NLBL_UNLABEL_A_IPV4MASK]) {
addr_len = nla_len(info->attrs[NLBL_UNLABEL_A_IPV4ADDR]);
if (addr_len != sizeof(struct in_addr) &&
addr_len != nla_len(info->attrs[NLBL_UNLABEL_A_IPV4MASK]))
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index e6445d8f3f57..3237e9978c1a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2712,10 +2712,12 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
}
}

- if (po->has_vnet_hdr && virtio_net_hdr_to_skb(skb, vnet_hdr,
- vio_le())) {
- tp_len = -EINVAL;
- goto tpacket_error;
+ if (po->has_vnet_hdr) {
+ if (virtio_net_hdr_to_skb(skb, vnet_hdr, vio_le())) {
+ tp_len = -EINVAL;
+ goto tpacket_error;
+ }
+ virtio_net_hdr_set_proto(skb, vnet_hdr);
}

skb->destructor = tpacket_destruct_skb;
@@ -2911,6 +2913,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
if (err)
goto out_free;
len += sizeof(vnet_hdr);
+ virtio_net_hdr_set_proto(skb, &vnet_hdr);
}

skb_probe_transport_header(skb, reserve);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 260749956ef3..24df95a7b9c7 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -397,6 +397,7 @@ static int u32_init(struct tcf_proto *tp)
rcu_assign_pointer(tp_c->hlist, root_ht);
root_ht->tp_c = tp_c;

+ root_ht->refcnt++;
rcu_assign_pointer(tp->root, root_ht);
tp->data = tp_c;
return 0;
@@ -608,7 +609,7 @@ static int u32_destroy_hnode(struct tcf_proto *tp, struct tc_u_hnode *ht,
struct tc_u_hnode __rcu **hn;
struct tc_u_hnode *phn;

- WARN_ON(ht->refcnt);
+ WARN_ON(--ht->refcnt);

u32_clear_hnode(tp, ht, extack);

@@ -647,7 +648,7 @@ static void u32_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)

WARN_ON(root_ht == NULL);

- if (root_ht && --root_ht->refcnt == 0)
+ if (root_ht && --root_ht->refcnt == 1)
u32_destroy_hnode(tp, root_ht, extack);

if (--tp_c->refcnt == 0) {
@@ -696,7 +697,6 @@ static int u32_delete(struct tcf_proto *tp, void *arg, bool *last,
}

if (ht->refcnt == 1) {
- ht->refcnt--;
u32_destroy_hnode(tp, ht, extack);
} else {
NL_SET_ERR_MSG_MOD(extack, "Can not delete in-use filter");
@@ -706,11 +706,11 @@ static int u32_delete(struct tcf_proto *tp, void *arg, bool *last,
out:
*last = true;
if (root_ht) {
- if (root_ht->refcnt > 1) {
+ if (root_ht->refcnt > 2) {
*last = false;
goto ret;
}
- if (root_ht->refcnt == 1) {
+ if (root_ht->refcnt == 2) {
if (!ht_empty(root_ht)) {
*last = false;
goto ret;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 54eca685420f..99cc25aae503 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1304,6 +1304,18 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
* Delete/get qdisc.
*/

+const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = {
+ [TCA_KIND] = { .type = NLA_STRING },
+ [TCA_OPTIONS] = { .type = NLA_NESTED },
+ [TCA_RATE] = { .type = NLA_BINARY,
+ .len = sizeof(struct tc_estimator) },
+ [TCA_STAB] = { .type = NLA_NESTED },
+ [TCA_DUMP_INVISIBLE] = { .type = NLA_FLAG },
+ [TCA_CHAIN] = { .type = NLA_U32 },
+ [TCA_INGRESS_BLOCK] = { .type = NLA_U32 },
+ [TCA_EGRESS_BLOCK] = { .type = NLA_U32 },
+};
+
static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
struct netlink_ext_ack *extack)
{
@@ -1320,7 +1332,8 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN))
return -EPERM;

- err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy,
+ extack);
if (err < 0)
return err;

@@ -1404,7 +1417,8 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n,

replay:
/* Reinit, just in case something touches this. */
- err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy,
+ extack);
if (err < 0)
return err;

@@ -1638,7 +1652,8 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
idx = 0;
ASSERT_RTNL();

- err = nlmsg_parse(nlh, sizeof(struct tcmsg), tca, TCA_MAX, NULL, NULL);
+ err = nlmsg_parse(nlh, sizeof(struct tcmsg), tca, TCA_MAX,
+ rtm_tca_policy, NULL);
if (err < 0)
return err;

@@ -1857,7 +1872,8 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n,
!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN))
return -EPERM;

- err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy,
+ extack);
if (err < 0)
return err;

diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 12cac85da994..033696e6f74f 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -260,6 +260,7 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
{
struct dst_entry *dst = sctp_transport_dst_check(t);
+ struct sock *sk = t->asoc->base.sk;
bool change = true;

if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) {
@@ -271,12 +272,19 @@ bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
pmtu = SCTP_TRUNC4(pmtu);

if (dst) {
- dst->ops->update_pmtu(dst, t->asoc->base.sk, NULL, pmtu);
+ struct sctp_pf *pf = sctp_get_pf_specific(dst->ops->family);
+ union sctp_addr addr;
+
+ pf->af->from_sk(&addr, sk);
+ pf->to_sk_daddr(&t->ipaddr, sk);
+ dst->ops->update_pmtu(dst, sk, NULL, pmtu);
+ pf->to_sk_daddr(&addr, sk);
+
dst = sctp_transport_dst_check(t);
}

if (!dst) {
- t->af_specific->get_dst(t, &t->saddr, &t->fl, t->asoc->base.sk);
+ t->af_specific->get_dst(t, &t->saddr, &t->fl, sk);
dst = t->dst;
}

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 093e16d1b770..cdaf3534e373 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1422,8 +1422,10 @@ static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dlen)
/* Handle implicit connection setup */
if (unlikely(dest)) {
rc = __tipc_sendmsg(sock, m, dlen);
- if (dlen && (dlen == rc))
+ if (dlen && dlen == rc) {
+ tsk->peer_caps = tipc_node_get_capabilities(net, dnode);
tsk->snt_unacked = tsk_inc(tsk, dlen + msg_hdr_sz(hdr));
+ }
return rc;
}

diff --git a/scripts/subarch.include b/scripts/subarch.include
new file mode 100644
index 000000000000..650682821126
--- /dev/null
+++ b/scripts/subarch.include
@@ -0,0 +1,13 @@
+# SUBARCH tells the usermode build what the underlying arch is. That is set
+# first, and if a usermode build is happening, the "ARCH=um" on the command
+# line overrides the setting of ARCH below. If a native build is happening,
+# then ARCH is assigned, getting whatever value it gets normally, and
+# SUBARCH is subsequently ignored.
+
+SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
+ -e s/sun4u/sparc64/ \
+ -e s/arm.*/arm/ -e s/sa110/arm/ \
+ -e s/s390x/s390/ -e s/parisc64/parisc/ \
+ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
+ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
+ -e s/riscv.*/riscv/)
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index 560ec0986e1a..74244d8e2909 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -40,6 +40,8 @@ static void azx_clear_corbrp(struct hdac_bus *bus)
*/
void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus)
{
+ WARN_ON_ONCE(!bus->rb.area);
+
spin_lock_irq(&bus->reg_lock);
/* CORB set up */
bus->corb.addr = bus->rb.addr;
@@ -383,7 +385,7 @@ void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus)
EXPORT_SYMBOL_GPL(snd_hdac_bus_exit_link_reset);

/* reset codec link */
-static int azx_reset(struct hdac_bus *bus, bool full_reset)
+int snd_hdac_bus_reset_link(struct hdac_bus *bus, bool full_reset)
{
if (!full_reset)
goto skip_reset;
@@ -408,7 +410,7 @@ static int azx_reset(struct hdac_bus *bus, bool full_reset)
skip_reset:
/* check to see if controller is ready */
if (!snd_hdac_chip_readb(bus, GCTL)) {
- dev_dbg(bus->dev, "azx_reset: controller not ready!\n");
+ dev_dbg(bus->dev, "controller not ready!\n");
return -EBUSY;
}

@@ -423,6 +425,7 @@ static int azx_reset(struct hdac_bus *bus, bool full_reset)

return 0;
}
+EXPORT_SYMBOL_GPL(snd_hdac_bus_reset_link);

/* enable interrupts */
static void azx_int_enable(struct hdac_bus *bus)
@@ -477,15 +480,17 @@ bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset)
return false;

/* reset controller */
- azx_reset(bus, full_reset);
+ snd_hdac_bus_reset_link(bus, full_reset);

- /* initialize interrupts */
+ /* clear interrupts */
azx_int_clear(bus);
- azx_int_enable(bus);

/* initialize the codec command I/O */
snd_hdac_bus_init_cmd_io(bus);

+ /* enable interrupts after CORB/RIRB buffers are initialized above */
+ azx_int_enable(bus);
+
/* program the position buffer */
if (bus->use_posbuf && bus->posbuf.addr) {
snd_hdac_chip_writel(bus, DPLBASE, (u32)bus->posbuf.addr);
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 77203841c535..90df61d263b8 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/sizes.h>
#include <linux/pm_runtime.h>

@@ -184,6 +185,24 @@ static void config_dma_descriptor_in_sram(void __iomem *acp_mmio,
acp_reg_write(descr_info->xfer_val, acp_mmio, mmACP_SRBM_Targ_Idx_Data);
}

+static void pre_config_reset(void __iomem *acp_mmio, u16 ch_num)
+{
+ u32 dma_ctrl;
+ int ret;
+
+ /* clear the reset bit */
+ dma_ctrl = acp_reg_read(acp_mmio, mmACP_DMA_CNTL_0 + ch_num);
+ dma_ctrl &= ~ACP_DMA_CNTL_0__DMAChRst_MASK;
+ acp_reg_write(dma_ctrl, acp_mmio, mmACP_DMA_CNTL_0 + ch_num);
+ /* check the reset bit before programming configuration registers */
+ ret = readl_poll_timeout(acp_mmio + ((mmACP_DMA_CNTL_0 + ch_num) * 4),
+ dma_ctrl,
+ !(dma_ctrl & ACP_DMA_CNTL_0__DMAChRst_MASK),
+ 100, ACP_DMA_RESET_TIME);
+ if (ret < 0)
+ pr_err("Failed to clear reset of channel : %d\n", ch_num);
+}
+
/*
* Initialize the DMA descriptor information for transfer between
* system memory <-> ACP SRAM
@@ -238,6 +257,7 @@ static void set_acp_sysmem_dma_descriptors(void __iomem *acp_mmio,
config_dma_descriptor_in_sram(acp_mmio, dma_dscr_idx,
&dmadscr[i]);
}
+ pre_config_reset(acp_mmio, ch);
config_acp_dma_channel(acp_mmio, ch,
dma_dscr_idx - 1,
NUM_DSCRS_PER_CHANNEL,
@@ -277,6 +297,7 @@ static void set_acp_to_i2s_dma_descriptors(void __iomem *acp_mmio, u32 size,
config_dma_descriptor_in_sram(acp_mmio, dma_dscr_idx,
&dmadscr[i]);
}
+ pre_config_reset(acp_mmio, ch);
/* Configure the DMA channel with the above descriptore */
config_acp_dma_channel(acp_mmio, ch, dma_dscr_idx - 1,
NUM_DSCRS_PER_CHANNEL,
diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
index a92586106932..f0948e84f6ae 100644
--- a/sound/soc/codecs/max98373.c
+++ b/sound/soc/codecs/max98373.c
@@ -519,6 +519,7 @@ static bool max98373_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case MAX98373_R2000_SW_RESET ... MAX98373_R2009_INT_FLAG3:
+ case MAX98373_R203E_AMP_PATH_GAIN:
case MAX98373_R2054_MEAS_ADC_PVDD_CH_READBACK:
case MAX98373_R2055_MEAS_ADC_THERM_CH_READBACK:
case MAX98373_R20B6_BDE_CUR_STATE_READBACK:
@@ -728,6 +729,7 @@ static int max98373_probe(struct snd_soc_component *component)
/* Software Reset */
regmap_write(max98373->regmap,
MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
+ usleep_range(10000, 11000);

/* IV default slot configuration */
regmap_write(max98373->regmap,
@@ -816,6 +818,7 @@ static int max98373_resume(struct device *dev)

regmap_write(max98373->regmap,
MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
+ usleep_range(10000, 11000);
regcache_cache_only(max98373->regmap, false);
regcache_sync(max98373->regmap);
return 0;
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index dca82dd6e3bf..32fe76c3134a 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -64,8 +64,8 @@ static const struct reg_sequence rt5514_patch[] = {
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
{RT5514_ASRC_IN_CTRL1, 0x00000003},
- {RT5514_DOWNFILTER0_CTRL3, 0x10000352},
- {RT5514_DOWNFILTER1_CTRL3, 0x10000352},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000342},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000342},
};

static const struct reg_default rt5514_reg[] = {
@@ -92,10 +92,10 @@ static const struct reg_default rt5514_reg[] = {
{RT5514_ASRC_IN_CTRL1, 0x00000003},
{RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER0_CTRL3, 0x10000352},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000342},
{RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER1_CTRL3, 0x10000352},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000342},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_LDO18_16, 0x02000345},
{RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c
index d53680ac78e4..6df158669420 100644
--- a/sound/soc/codecs/sigmadsp.c
+++ b/sound/soc/codecs/sigmadsp.c
@@ -117,8 +117,7 @@ static int sigmadsp_ctrl_write(struct sigmadsp *sigmadsp,
struct sigmadsp_control *ctrl, void *data)
{
/* safeload loads up to 20 bytes in a atomic operation */
- if (ctrl->num_bytes > 4 && ctrl->num_bytes <= 20 && sigmadsp->ops &&
- sigmadsp->ops->safeload)
+ if (ctrl->num_bytes <= 20 && sigmadsp->ops && sigmadsp->ops->safeload)
return sigmadsp->ops->safeload(sigmadsp, ctrl->addr, data,
ctrl->num_bytes);
else
diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c
index f27464c2c5ba..79541960f45d 100644
--- a/sound/soc/codecs/wm8804-i2c.c
+++ b/sound/soc/codecs/wm8804-i2c.c
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/i2c.h>
+#include <linux/acpi.h>

#include "wm8804.h"

@@ -40,17 +41,29 @@ static const struct i2c_device_id wm8804_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);

+#if defined(CONFIG_OF)
static const struct of_device_id wm8804_of_match[] = {
{ .compatible = "wlf,wm8804", },
{ }
};
MODULE_DEVICE_TABLE(of, wm8804_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id wm8804_acpi_match[] = {
+ { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
+ { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
+#endif

static struct i2c_driver wm8804_i2c_driver = {
.driver = {
.name = "wm8804",
.pm = &wm8804_pm,
- .of_match_table = wm8804_of_match,
+ .of_match_table = of_match_ptr(wm8804_of_match),
+ .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
},
.probe = wm8804_i2c_probe,
.remove = wm8804_i2c_remove,
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index f0d9793f872a..c7cdfa4a7076 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -844,7 +844,7 @@ static int skl_first_init(struct hdac_ext_bus *ebus)
return -ENXIO;
}

- skl_init_chip(bus, true);
+ snd_hdac_bus_reset_link(bus, true);

snd_hdac_bus_parse_capabilities(bus);

diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c
index 593f66b8622f..33bb97c0b6b6 100644
--- a/sound/soc/qcom/qdsp6/q6routing.c
+++ b/sound/soc/qcom/qdsp6/q6routing.c
@@ -933,8 +933,10 @@ static int msm_routing_probe(struct snd_soc_component *c)
{
int i;

- for (i = 0; i < MAX_SESSIONS; i++)
+ for (i = 0; i < MAX_SESSIONS; i++) {
routing_data->sessions[i].port_id = -1;
+ routing_data->sessions[i].fedai_id = -1;
+ }

return 0;
}
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 4672688cac32..b7c1f34ec280 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -465,6 +465,11 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
goto rsnd_adg_get_clkout_end;

req_size = prop->length / sizeof(u32);
+ if (req_size > REQ_SIZE) {
+ dev_err(dev,
+ "too many clock-frequency, use top %d\n", REQ_SIZE);
+ req_size = REQ_SIZE;
+ }

of_property_read_u32_array(np, "clock-frequency", req_rate, req_size);
req_48kHz_rate = 0;
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index ff13189a7ee4..982a72e73ea9 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -482,7 +482,7 @@ static int rsnd_status_update(u32 *status,
(func_call && (mod)->ops->fn) ? #fn : ""); \
if (func_call && (mod)->ops->fn) \
tmp = (mod)->ops->fn(mod, io, param); \
- if (tmp) \
+ if (tmp && (tmp != -EPROBE_DEFER)) \
dev_err(dev, "%s[%d] : %s error %d\n", \
rsnd_mod_name(mod), rsnd_mod_id(mod), \
#fn, tmp); \
@@ -1550,6 +1550,14 @@ static int rsnd_probe(struct platform_device *pdev)
rsnd_dai_call(remove, &rdai->capture, priv);
}

+ /*
+ * adg is very special mod which can't use rsnd_dai_call(remove),
+ * and it registers ADG clock on probe.
+ * It should be unregister if probe failed.
+ * Mainly it is assuming -EPROBE_DEFER case
+ */
+ rsnd_adg_remove(priv);
+
return ret;
}

diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index ef82b94d038b..2f3f4108fda5 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -244,6 +244,10 @@ static int rsnd_dmaen_attach(struct rsnd_dai_stream *io,
/* try to get DMAEngine channel */
chan = rsnd_dmaen_request_channel(io, mod_from, mod_to);
if (IS_ERR_OR_NULL(chan)) {
+ /* Let's follow when -EPROBE_DEFER case */
+ if (PTR_ERR(chan) == -EPROBE_DEFER)
+ return PTR_ERR(chan);
+
/*
* DMA failed. try to PIO mode
* see
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4663de3cf495..0b4896d411f9 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1430,7 +1430,7 @@ static int soc_link_dai_widgets(struct snd_soc_card *card,
sink = codec_dai->playback_widget;
source = cpu_dai->capture_widget;
if (sink && source) {
- ret = snd_soc_dapm_new_pcm(card, dai_link->params,
+ ret = snd_soc_dapm_new_pcm(card, rtd, dai_link->params,
dai_link->num_params,
source, sink);
if (ret != 0) {
@@ -1443,7 +1443,7 @@ static int soc_link_dai_widgets(struct snd_soc_card *card,
sink = cpu_dai->playback_widget;
source = codec_dai->capture_widget;
if (sink && source) {
- ret = snd_soc_dapm_new_pcm(card, dai_link->params,
+ ret = snd_soc_dapm_new_pcm(card, rtd, dai_link->params,
dai_link->num_params,
source, sink);
if (ret != 0) {
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a099c3e45504..577f6178af57 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3658,6 +3658,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
{
struct snd_soc_dapm_path *source_p, *sink_p;
struct snd_soc_dai *source, *sink;
+ struct snd_soc_pcm_runtime *rtd = w->priv;
const struct snd_soc_pcm_stream *config = w->params + w->params_select;
struct snd_pcm_substream substream;
struct snd_pcm_hw_params *params = NULL;
@@ -3717,6 +3718,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
goto out;
}
substream.runtime = runtime;
+ substream.private_data = rtd;

switch (event) {
case SND_SOC_DAPM_PRE_PMU:
@@ -3901,6 +3903,7 @@ snd_soc_dapm_alloc_kcontrol(struct snd_soc_card *card,
}

int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd,
const struct snd_soc_pcm_stream *params,
unsigned int num_params,
struct snd_soc_dapm_widget *source,
@@ -3969,6 +3972,7 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,

w->params = params;
w->num_params = num_params;
+ w->priv = rtd;

ret = snd_soc_dapm_add_path(&card->dapm, source, w, NULL, NULL);
if (ret)
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index efcaf6cac2eb..e46f51b17513 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -204,14 +204,23 @@ from ctypes import *
libpq = CDLL("libpq.so.5")
PQconnectdb = libpq.PQconnectdb
PQconnectdb.restype = c_void_p
+PQconnectdb.argtypes = [ c_char_p ]
PQfinish = libpq.PQfinish
+PQfinish.argtypes = [ c_void_p ]
PQstatus = libpq.PQstatus
+PQstatus.restype = c_int
+PQstatus.argtypes = [ c_void_p ]
PQexec = libpq.PQexec
PQexec.restype = c_void_p
+PQexec.argtypes = [ c_void_p, c_char_p ]
PQresultStatus = libpq.PQresultStatus
+PQresultStatus.restype = c_int
+PQresultStatus.argtypes = [ c_void_p ]
PQputCopyData = libpq.PQputCopyData
+PQputCopyData.restype = c_int
PQputCopyData.argtypes = [ c_void_p, c_void_p, c_int ]
PQputCopyEnd = libpq.PQputCopyEnd
+PQputCopyEnd.restype = c_int
PQputCopyEnd.argtypes = [ c_void_p, c_void_p ]

sys.path.append(os.environ['PERF_EXEC_PATH'] + \
diff --git a/tools/perf/scripts/python/export-to-sqlite.py b/tools/perf/scripts/python/export-to-sqlite.py
index f827bf77e9d2..e4bb82c8aba9 100644
--- a/tools/perf/scripts/python/export-to-sqlite.py
+++ b/tools/perf/scripts/python/export-to-sqlite.py
@@ -440,7 +440,11 @@ def branch_type_table(*x):

def sample_table(*x):
if branches:
- bind_exec(sample_query, 18, x)
+ for xx in x[0:15]:
+ sample_query.addBindValue(str(xx))
+ for xx in x[19:22]:
+ sample_query.addBindValue(str(xx))
+ do_query_(sample_query)
else:
bind_exec(sample_query, 22, x)

diff --git a/tools/testing/selftests/android/Makefile b/tools/testing/selftests/android/Makefile
index 72c25a3cb658..d9a725478375 100644
--- a/tools/testing/selftests/android/Makefile
+++ b/tools/testing/selftests/android/Makefile
@@ -6,7 +6,7 @@ TEST_PROGS := run.sh

include ../lib.mk

-all:
+all: khdr
@for DIR in $(SUBDIRS); do \
BUILD_TARGET=$(OUTPUT)/$$DIR; \
mkdir $$BUILD_TARGET -p; \
diff --git a/tools/testing/selftests/android/config b/tools/testing/selftests/android/config
new file mode 100644
index 000000000000..b4ad748a9dd9
--- /dev/null
+++ b/tools/testing/selftests/android/config
@@ -0,0 +1,5 @@
+CONFIG_ANDROID=y
+CONFIG_STAGING=y
+CONFIG_ION=y
+CONFIG_ION_SYSTEM_HEAP=y
+CONFIG_DRM_VGEM=y
diff --git a/tools/testing/selftests/android/ion/Makefile b/tools/testing/selftests/android/ion/Makefile
index e03695287f76..88cfe88e466f 100644
--- a/tools/testing/selftests/android/ion/Makefile
+++ b/tools/testing/selftests/android/ion/Makefile
@@ -10,6 +10,8 @@ $(TEST_GEN_FILES): ipcsocket.c ionutils.c

TEST_PROGS := ion_test.sh

+KSFT_KHDR_INSTALL := 1
+top_srcdir = ../../../../..
include ../../lib.mk

$(OUTPUT)/ionapp_export: ionapp_export.c ipcsocket.c ionutils.c
diff --git a/tools/testing/selftests/android/ion/config b/tools/testing/selftests/android/ion/config
deleted file mode 100644
index b4ad748a9dd9..000000000000
--- a/tools/testing/selftests/android/ion/config
+++ /dev/null
@@ -1,5 +0,0 @@
-CONFIG_ANDROID=y
-CONFIG_STAGING=y
-CONFIG_ION=y
-CONFIG_ION_SYSTEM_HEAP=y
-CONFIG_DRM_VGEM=y
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 1e9e3c470561..8b644ea39725 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -89,17 +89,28 @@ int cg_read(const char *cgroup, const char *control, char *buf, size_t len)
int cg_read_strcmp(const char *cgroup, const char *control,
const char *expected)
{
- size_t size = strlen(expected) + 1;
+ size_t size;
char *buf;
+ int ret;
+
+ /* Handle the case of comparing against empty string */
+ if (!expected)
+ size = 32;
+ else
+ size = strlen(expected) + 1;

buf = malloc(size);
if (!buf)
return -1;

- if (cg_read(cgroup, control, buf, size))
+ if (cg_read(cgroup, control, buf, size)) {
+ free(buf);
return -1;
+ }

- return strcmp(expected, buf);
+ ret = strcmp(expected, buf);
+ free(buf);
+ return ret;
}

int cg_read_strstr(const char *cgroup, const char *control, const char *needle)
diff --git a/tools/testing/selftests/efivarfs/config b/tools/testing/selftests/efivarfs/config
new file mode 100644
index 000000000000..4e151f1005b2
--- /dev/null
+++ b/tools/testing/selftests/efivarfs/config
@@ -0,0 +1 @@
+CONFIG_EFIVAR_FS=y
diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index ff8feca49746..ad1eeb14fda7 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -18,6 +18,7 @@ TEST_GEN_FILES := \

TEST_PROGS := run.sh

+top_srcdir = ../../../../..
include ../../lib.mk

$(TEST_GEN_FILES): $(HEADERS)
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 1bbb47565c55..4665cdbf1a8d 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -21,11 +21,8 @@ endef
CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
LDLIBS += -lmount -I/usr/include/libmount

-$(BINARIES): ../../../gpio/gpio-utils.o ../../../../usr/include/linux/gpio.h
+$(BINARIES):| khdr
+$(BINARIES): ../../../gpio/gpio-utils.o

../../../gpio/gpio-utils.o:
make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio
-
-../../../../usr/include/linux/gpio.h:
- make -C ../../../.. headers_install INSTALL_HDR_PATH=$(shell pwd)/../../../../usr/
-
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 15e6b75fc3a5..a3edb2c8e43d 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -19,7 +19,6 @@
#define KSFT_FAIL 1
#define KSFT_XFAIL 2
#define KSFT_XPASS 3
-/* Treat skip as pass */
#define KSFT_SKIP 4

/* counters */
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index d9d00319b07c..bcb69380bbab 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -32,9 +32,6 @@ $(LIBKVM_OBJ): $(OUTPUT)/%.o: %.c
$(OUTPUT)/libkvm.a: $(LIBKVM_OBJ)
$(AR) crs $@ $^

-$(LINUX_HDR_PATH):
- make -C $(top_srcdir) headers_install
-
-all: $(STATIC_LIBS) $(LINUX_HDR_PATH)
+all: $(STATIC_LIBS)
$(TEST_GEN_PROGS): $(STATIC_LIBS)
-$(TEST_GEN_PROGS) $(LIBKVM_OBJ): | $(LINUX_HDR_PATH)
+$(STATIC_LIBS):| khdr
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 17ab36605a8e..0a8e75886224 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -16,8 +16,20 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))

+top_srcdir ?= ../../../..
+include $(top_srcdir)/scripts/subarch.include
+ARCH ?= $(SUBARCH)
+
all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)

+.PHONY: khdr
+khdr:
+ make ARCH=$(ARCH) -C $(top_srcdir) headers_install
+
+ifdef KSFT_KHDR_INSTALL
+$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES):| khdr
+endif
+
.ONESHELL:
define RUN_TEST_PRINT_RESULT
TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST"; \
diff --git a/tools/testing/selftests/memory-hotplug/config b/tools/testing/selftests/memory-hotplug/config
index 2fde30191a47..a7e8cd5bb265 100644
--- a/tools/testing/selftests/memory-hotplug/config
+++ b/tools/testing/selftests/memory-hotplug/config
@@ -2,3 +2,4 @@ CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_SPARSE=y
CONFIG_NOTIFIER_ERROR_INJECTION=y
CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
+CONFIG_MEMORY_HOTREMOVE=y
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 663e11e85727..d515dabc6b0d 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -15,6 +15,7 @@ TEST_GEN_FILES += udpgso udpgso_bench_tx udpgso_bench_rx
TEST_GEN_PROGS = reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict

+KSFT_KHDR_INSTALL := 1
include ../lib.mk

$(OUTPUT)/reuseport_bpf_numa: LDFLAGS += -lnuma
diff --git a/tools/testing/selftests/networking/timestamping/Makefile b/tools/testing/selftests/networking/timestamping/Makefile
index a728040edbe1..14cfcf006936 100644
--- a/tools/testing/selftests/networking/timestamping/Makefile
+++ b/tools/testing/selftests/networking/timestamping/Makefile
@@ -5,6 +5,7 @@ TEST_PROGS := hwtstamp_config rxtimestamp timestamping txtimestamp

all: $(TEST_PROGS)

+top_srcdir = ../../../../..
include ../../lib.mk

clean:
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index fdefa2295ddc..58759454b1d0 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -25,10 +25,6 @@ TEST_PROGS := run_vmtests

include ../lib.mk

-$(OUTPUT)/userfaultfd: ../../../../usr/include/linux/kernel.h
$(OUTPUT)/userfaultfd: LDLIBS += -lpthread

$(OUTPUT)/mlock-random-test: LDLIBS += -lcap
-
-../../../../usr/include/linux/kernel.h:
- make -C ../../../.. headers_install