Re: Linux 5.10.22

gregkh
2021-03-09T10:36:38Z

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Makefile b/Makefile
index 98ae9007e8a5..12a2a7271fcb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 21
+SUBLEVEL = 22
EXTRAVERSION =
NAME = Dare mighty things

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index 724ee179b316..fae48efae83e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -227,8 +227,6 @@ ethmac: ethernet@ff3f0000 {
"timing-adjustment";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
- resets = <&reset RESET_ETHERNET>;
- reset-names = "stmmaceth";
status = "disabled";
};

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index a6127002573b..959b299344e5 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -224,8 +224,6 @@ ethmac: ethernet@ff3f0000 {
"timing-adjustment";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
- resets = <&reset RESET_ETHERNET>;
- reset-names = "stmmaceth";
status = "disabled";

mdio0: mdio {
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 726b91d3a905..0edd137151f8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -13,7 +13,6 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/meson-gxbb-power.h>
-#include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
#include <dt-bindings/thermal/thermal.h>

/ {
@@ -576,8 +575,6 @@ ethmac: ethernet@c9410000 {
interrupt-names = "macirq";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
- resets = <&reset RESET_ETHERNET>;
- reset-names = "stmmaceth";
power-domains = <&pwrc PWRC_GXBB_ETHERNET_MEM_ID>;
status = "disabled";
};
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 00576a960f11..b913844ab740 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -29,6 +29,7 @@
#include <linux/kexec.h>
#include <linux/crash_dump.h>
#include <linux/hugetlb.h>
+#include <linux/acpi_iort.h>

#include <asm/boot.h>
#include <asm/fixmap.h>
@@ -42,8 +43,6 @@
#include <asm/tlb.h>
#include <asm/alternative.h>

-#define ARM64_ZONE_DMA_BITS 30
-
/*
* We need to be able to catch inadvertent references to memstart_addr
* that occur (potentially in generic code) before arm64_memblock_init()
@@ -188,8 +187,14 @@ static phys_addr_t __init max_zone_phys(unsigned int zone_bits)
static void __init zone_sizes_init(unsigned long min, unsigned long max)
{
unsigned long max_zone_pfns[MAX_NR_ZONES] = {0};
+ unsigned int __maybe_unused acpi_zone_dma_bits;
+ unsigned int __maybe_unused dt_zone_dma_bits;

#ifdef CONFIG_ZONE_DMA
+ acpi_zone_dma_bits = fls64(acpi_iort_dma_get_max_cpu_address());
+ dt_zone_dma_bits = fls64(of_dma_get_max_cpu_address(NULL));
+ zone_dma_bits = min3(32U, dt_zone_dma_bits, acpi_zone_dma_bits);
+ arm64_dma_phys_limit = max_zone_phys(zone_dma_bits);
max_zone_pfns[ZONE_DMA] = PFN_DOWN(arm64_dma_phys_limit);
#endif
#ifdef CONFIG_ZONE_DMA32
@@ -376,18 +381,11 @@ void __init arm64_memblock_init(void)

early_init_fdt_scan_reserved_mem();

- if (IS_ENABLED(CONFIG_ZONE_DMA)) {
- zone_dma_bits = ARM64_ZONE_DMA_BITS;
- arm64_dma_phys_limit = max_zone_phys(ARM64_ZONE_DMA_BITS);
- }
-
if (IS_ENABLED(CONFIG_ZONE_DMA32))
arm64_dma32_phys_limit = max_zone_phys(32);
else
arm64_dma32_phys_limit = PHYS_MASK + 1;

- reserve_crashkernel();
-
reserve_elfcorehdr();

high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
@@ -427,6 +425,12 @@ void __init bootmem_init(void)
sparse_init();
zone_sizes_init(min, max);

+ /*
+ * request_standard_resources() depends on crashkernel's memory being
+ * reserved, so do it here.
+ */
+ reserve_crashkernel();
+
memblock_dump_all();
}

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 94f34109695c..2494138a6905 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -1730,3 +1730,58 @@ void __init acpi_iort_init(void)

iort_init_platform_devices();
}
+
+#ifdef CONFIG_ZONE_DMA
+/*
+ * Extract the highest CPU physical address accessible to all DMA masters in
+ * the system. PHYS_ADDR_MAX is returned when no constrained device is found.
+ */
+phys_addr_t __init acpi_iort_dma_get_max_cpu_address(void)
+{
+ phys_addr_t limit = PHYS_ADDR_MAX;
+ struct acpi_iort_node *node, *end;
+ struct acpi_table_iort *iort;
+ acpi_status status;
+ int i;
+
+ if (acpi_disabled)
+ return limit;
+
+ status = acpi_get_table(ACPI_SIG_IORT, 0,
+ (struct acpi_table_header **)&iort);
+ if (ACPI_FAILURE(status))
+ return limit;
+
+ node = ACPI_ADD_PTR(struct acpi_iort_node, iort, iort->node_offset);
+ end = ACPI_ADD_PTR(struct acpi_iort_node, iort, iort->header.length);
+
+ for (i = 0; i < iort->node_count; i++) {
+ if (node >= end)
+ break;
+
+ switch (node->type) {
+ struct acpi_iort_named_component *ncomp;
+ struct acpi_iort_root_complex *rc;
+ phys_addr_t local_limit;
+
+ case ACPI_IORT_NODE_NAMED_COMPONENT:
+ ncomp = (struct acpi_iort_named_component *)node->node_data;
+ local_limit = DMA_BIT_MASK(ncomp->memory_address_limit);
+ limit = min_not_zero(limit, local_limit);
+ break;
+
+ case ACPI_IORT_NODE_PCI_ROOT_COMPLEX:
+ if (node->revision < 1)
+ break;
+
+ rc = (struct acpi_iort_root_complex *)node->node_data;
+ local_limit = DMA_BIT_MASK(rc->memory_address_limit);
+ limit = min_not_zero(limit, local_limit);
+ break;
+ }
+ node = ACPI_ADD_PTR(struct acpi_iort_node, node, node->length);
+ }
+ acpi_put_table(&iort->header);
+ return limit;
+}
+#endif
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index bfda153b1a41..87682dcb64ec 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -325,22 +325,22 @@ static void rpm_put_suppliers(struct device *dev)
static int __rpm_callback(int (*cb)(struct device *), struct device *dev)
__releases(&dev->power.lock) __acquires(&dev->power.lock)
{
- int retval, idx;
bool use_links = dev->power.links_count > 0;
+ bool get = false;
+ int retval, idx;
+ bool put;

if (dev->power.irq_safe) {
spin_unlock(&dev->power.lock);
+ } else if (!use_links) {
+ spin_unlock_irq(&dev->power.lock);
} else {
+ get = dev->power.runtime_status == RPM_RESUMING;
+
spin_unlock_irq(&dev->power.lock);

- /*
- * Resume suppliers if necessary.
- *
- * The device's runtime PM status cannot change until this
- * routine returns, so it is safe to read the status outside of
- * the lock.
- */
- if (use_links && dev->power.runtime_status == RPM_RESUMING) {
+ /* Resume suppliers if necessary. */
+ if (get) {
idx = device_links_read_lock();

retval = rpm_get_suppliers(dev);
@@ -355,24 +355,36 @@ static int __rpm_callback(int (*cb)(struct device *), struct device *dev)

if (dev->power.irq_safe) {
spin_lock(&dev->power.lock);
- } else {
- /*
- * If the device is suspending and the callback has returned
- * success, drop the usage counters of the suppliers that have
- * been reference counted on its resume.
- *
- * Do that if resume fails too.
- */
- if (use_links
- && ((dev->power.runtime_status == RPM_SUSPENDING && !retval)
- || (dev->power.runtime_status == RPM_RESUMING && retval))) {
- idx = device_links_read_lock();
+ return retval;
+ }

- fail:
- rpm_put_suppliers(dev);
+ spin_lock_irq(&dev->power.lock);

- device_links_read_unlock(idx);
- }
+ if (!use_links)
+ return retval;
+
+ /*
+ * If the device is suspending and the callback has returned success,
+ * drop the usage counters of the suppliers that have been reference
+ * counted on its resume.
+ *
+ * Do that if the resume fails too.
+ */
+ put = dev->power.runtime_status == RPM_SUSPENDING && !retval;
+ if (put)
+ __update_runtime_status(dev, RPM_SUSPENDED);
+ else
+ put = get && retval;
+
+ if (put) {
+ spin_unlock_irq(&dev->power.lock);
+
+ idx = device_links_read_lock();
+
+fail:
+ rpm_put_suppliers(dev);
+
+ device_links_read_unlock(idx);

spin_lock_irq(&dev->power.lock);
}
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c
index 63f549889f87..5ac1881396af 100644
--- a/drivers/block/rsxx/core.c
+++ b/drivers/block/rsxx/core.c
@@ -165,15 +165,17 @@ static ssize_t rsxx_cram_read(struct file *fp, char __user *ubuf,
{
struct rsxx_cardinfo *card = file_inode(fp)->i_private;
char *buf;
- ssize_t st;
+ int st;

buf = kzalloc(cnt, GFP_KERNEL);
if (!buf)
return -ENOMEM;

st = rsxx_creg_read(card, CREG_ADD_CRAM + (u32)*ppos, cnt, buf, 1);
- if (!st)
- st = copy_to_user(ubuf, buf, cnt);
+ if (!st) {
+ if (copy_to_user(ubuf, buf, cnt))
+ st = -EFAULT;
+ }
kfree(buf);
if (st)
return st;
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 431919d5f48a..a2e0395cbe61 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -707,12 +707,22 @@ static int tpm_tis_gen_interrupt(struct tpm_chip *chip)
const char *desc = "attempting to generate an interrupt";
u32 cap2;
cap_t cap;
+ int ret;

+ /* TPM 2.0 */
if (chip->flags & TPM_CHIP_FLAG_TPM2)
return tpm2_get_tpm_pt(chip, 0x100, &cap2, desc);
- else
- return tpm1_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc,
- 0);
+
+ /* TPM 1.2 */
+ ret = request_locality(chip, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = tpm1_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc, 0);
+
+ release_locality(chip, 0);
+
+ return ret;
}

/* Register the IRQ and issue a command that will cause an interrupt. If an
@@ -1019,11 +1029,21 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
init_waitqueue_head(&priv->read_queue);
init_waitqueue_head(&priv->int_queue);
if (irq != -1) {
- /* Before doing irq testing issue a command to the TPM in polling mode
+ /*
+ * Before doing irq testing issue a command to the TPM in polling mode
* to make sure it works. May as well use that command to set the
* proper timeouts for the driver.
*/
- if (tpm_get_timeouts(chip)) {
+
+ rc = request_locality(chip, 0);
+ if (rc < 0)
+ goto out_err;
+
+ rc = tpm_get_timeouts(chip);
+
+ release_locality(chip, 0);
+
+ if (rc) {
dev_err(dev, "Could not get TPM timeouts and durations\n");
rc = -ENODEV;
goto out_err;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 2d125b8b15ee..00a190929b55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -355,7 +355,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
while (size) {
uint32_t value;

- value = RREG32_PCIE(*pos >> 2);
+ value = RREG32_PCIE(*pos);
r = put_user(value, (uint32_t *)buf);
if (r) {
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
@@ -422,7 +422,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
return r;
}

- WREG32_PCIE(*pos >> 2, value);
+ WREG32_PCIE(*pos, value);

result += 4;
buf += 4;
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 8eeba8096493..0af4774ddd61 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -459,7 +459,8 @@ static bool nv_is_headless_sku(struct pci_dev *pdev)
{
if ((pdev->device == 0x731E &&
(pdev->revision == 0xC6 || pdev->revision == 0xC7)) ||
- (pdev->device == 0x7340 && pdev->revision == 0xC9))
+ (pdev->device == 0x7340 && pdev->revision == 0xC9) ||
+ (pdev->device == 0x7360 && pdev->revision == 0xC7))
return true;
return false;
}
@@ -524,7 +525,8 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
!amdgpu_sriov_vf(adev))
amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
- amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
+ if (!nv_is_headless_sku(adev->pdev))
+ amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
if (!amdgpu_sriov_vf(adev))
amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
break;
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 8e578f73a074..bbba0cd42c89 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3650,6 +3650,7 @@ static int cm_send_sidr_rep_locked(struct cm_id_private *cm_id_priv,
struct ib_cm_sidr_rep_param *param)
{
struct ib_mad_send_buf *msg;
+ unsigned long flags;
int ret;

lockdep_assert_held(&cm_id_priv->lock);
@@ -3675,12 +3676,12 @@ static int cm_send_sidr_rep_locked(struct cm_id_private *cm_id_priv,
return ret;
}
cm_id_priv->id.state = IB_CM_IDLE;
- spin_lock_irq(&cm.lock);
+ spin_lock_irqsave(&cm.lock, flags);
if (!RB_EMPTY_NODE(&cm_id_priv->sidr_id_node)) {
rb_erase(&cm_id_priv->sidr_id_node, &cm.remote_sidr_table);
RB_CLEAR_NODE(&cm_id_priv->sidr_id_node);
}
- spin_unlock_irq(&cm.lock);
+ spin_unlock_irqrestore(&cm.lock, flags);
return 0;
}

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 26564e7d3457..efb9ec99b68b 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1973,8 +1973,10 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT)(

num_alloc_xa_entries++;
event_sub = kzalloc(sizeof(*event_sub), GFP_KERNEL);
- if (!event_sub)
+ if (!event_sub) {
+ err = -ENOMEM;
goto err;
+ }

list_add_tail(&event_sub->event_list, &sub_list);
uverbs_uobject_get(&ev_file->uobj);
diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig
index 452149066792..06b8dc5093f7 100644
--- a/drivers/infiniband/sw/rxe/Kconfig
+++ b/drivers/infiniband/sw/rxe/Kconfig
@@ -4,6 +4,7 @@ config RDMA_RXE
depends on INET && PCI && INFINIBAND
depends on INFINIBAND_VIRT_DMA
select NET_UDP_TUNNEL
+ select CRYPTO
select CRYPTO_CRC32
help
This driver implements the InfiniBand RDMA transport over
diff --git a/drivers/iommu/intel/pasid.h b/drivers/iommu/intel/pasid.h
index 97dfcffbf495..444c0bec221a 100644
--- a/drivers/iommu/intel/pasid.h
+++ b/drivers/iommu/intel/pasid.h
@@ -30,8 +30,8 @@
#define VCMD_VRSP_IP 0x1
#define VCMD_VRSP_SC(e) (((e) >> 1) & 0x3)
#define VCMD_VRSP_SC_SUCCESS 0
-#define VCMD_VRSP_SC_NO_PASID_AVAIL 1
-#define VCMD_VRSP_SC_INVALID_PASID 1
+#define VCMD_VRSP_SC_NO_PASID_AVAIL 2
+#define VCMD_VRSP_SC_INVALID_PASID 2
#define VCMD_VRSP_RESULT_PASID(e) (((e) >> 8) & 0xfffff)
#define VCMD_CMD_OPERAND(e) ((e) << 8)
/*
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index fce4cbf9529d..50f3e673729c 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1526,6 +1526,10 @@ EXPORT_SYMBOL_GPL(dm_bufio_get_block_size);
sector_t dm_bufio_get_device_size(struct dm_bufio_client *c)
{
sector_t s = i_size_read(c->bdev->bd_inode) >> SECTOR_SHIFT;
+ if (s >= c->start)
+ s -= c->start;
+ else
+ s = 0;
if (likely(c->sectors_per_block_bits >= 0))
s >>= c->sectors_per_block_bits;
else
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index fb41b4f23c48..66f4c6398f67 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -61,19 +61,18 @@ static int fec_decode_rs8(struct dm_verity *v, struct dm_verity_fec_io *fio,
static u8 *fec_read_parity(struct dm_verity *v, u64 rsb, int index,
unsigned *offset, struct dm_buffer **buf)
{
- u64 position, block;
+ u64 position, block, rem;
u8 *res;

position = (index + rsb) * v->fec->roots;
- block = position >> v->data_dev_block_bits;
- *offset = (unsigned)(position - (block << v->data_dev_block_bits));
+ block = div64_u64_rem(position, v->fec->roots << SECTOR_SHIFT, &rem);
+ *offset = (unsigned)rem;

- res = dm_bufio_read(v->fec->bufio, v->fec->start + block, buf);
+ res = dm_bufio_read(v->fec->bufio, block, buf);
if (IS_ERR(res)) {
DMERR("%s: FEC %llu: parity read failed (block %llu): %ld",
v->data_dev->name, (unsigned long long)rsb,
- (unsigned long long)(v->fec->start + block),
- PTR_ERR(res));
+ (unsigned long long)block, PTR_ERR(res));
*buf = NULL;
}

@@ -155,7 +154,7 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio,

/* read the next block when we run out of parity bytes */
offset += v->fec->roots;
- if (offset >= 1 << v->data_dev_block_bits) {
+ if (offset >= v->fec->roots << SECTOR_SHIFT) {
dm_bufio_release(buf);

par = fec_read_parity(v, rsb, block_offset, &offset, &buf);
@@ -674,7 +673,7 @@ int verity_fec_ctr(struct dm_verity *v)
{
struct dm_verity_fec *f = v->fec;
struct dm_target *ti = v->ti;
- u64 hash_blocks;
+ u64 hash_blocks, fec_blocks;
int ret;

if (!verity_fec_is_enabled(v)) {
@@ -744,15 +743,17 @@ int verity_fec_ctr(struct dm_verity *v)
}

f->bufio = dm_bufio_client_create(f->dev->bdev,
- 1 << v->data_dev_block_bits,
+ f->roots << SECTOR_SHIFT,
1, 0, NULL, NULL);
if (IS_ERR(f->bufio)) {
ti->error = "Cannot initialize FEC bufio client";
return PTR_ERR(f->bufio);
}

- if (dm_bufio_get_device_size(f->bufio) <
- ((f->start + f->rounds * f->roots) >> v->data_dev_block_bits)) {
+ dm_bufio_set_sector_offset(f->bufio, f->start << (v->data_dev_block_bits - SECTOR_SHIFT));
+
+ fec_blocks = div64_u64(f->rounds * f->roots, v->fec->roots << SECTOR_SHIFT);
+ if (dm_bufio_get_device_size(f->bufio) < fec_blocks) {
ti->error = "FEC device is too small";
return -E2BIG;
}
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index cfcc3ac61318..b7d5eaa70a67 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -2244,6 +2244,7 @@ static void rtl_pll_power_down(struct rtl8169_private *tp)

switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+ case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30:
case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_37:
case RTL_GIGA_MAC_VER_39:
@@ -2271,6 +2272,7 @@ static void rtl_pll_power_up(struct rtl8169_private *tp)
{
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+ case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30:
case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_37:
case RTL_GIGA_MAC_VER_39:
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 1c3257a2d4e3..73ddf2540f3f 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -1024,6 +1024,48 @@ int of_dma_get_range(struct device_node *np, const struct bus_dma_region **map)
}
#endif /* CONFIG_HAS_DMA */

+/**
+ * of_dma_get_max_cpu_address - Gets highest CPU address suitable for DMA
+ * @np: The node to start searching from or NULL to start from the root
+ *
+ * Gets the highest CPU physical address that is addressable by all DMA masters
+ * in the sub-tree pointed by np, or the whole tree if NULL is passed. If no
+ * DMA constrained device is found, it returns PHYS_ADDR_MAX.
+ */
+phys_addr_t __init of_dma_get_max_cpu_address(struct device_node *np)
+{
+ phys_addr_t max_cpu_addr = PHYS_ADDR_MAX;
+ struct of_range_parser parser;
+ phys_addr_t subtree_max_addr;
+ struct device_node *child;
+ struct of_range range;
+ const __be32 *ranges;
+ u64 cpu_end = 0;
+ int len;
+
+ if (!np)
+ np = of_root;
+
+ ranges = of_get_property(np, "dma-ranges", &len);
+ if (ranges && len) {
+ of_dma_range_parser_init(&parser, np);
+ for_each_of_range(&parser, &range)
+ if (range.cpu_addr + range.size > cpu_end)
+ cpu_end = range.cpu_addr + range.size - 1;
+
+ if (max_cpu_addr > cpu_end)
+ max_cpu_addr = cpu_end;
+ }
+
+ for_each_available_child_of_node(np, child) {
+ subtree_max_addr = of_dma_get_max_cpu_address(child);
+ if (max_cpu_addr > subtree_max_addr)
+ max_cpu_addr = subtree_max_addr;
+ }
+
+ return max_cpu_addr;
+}
+
/**
* of_dma_is_coherent - Check if device is coherent
* @np: device node
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 06cc988faf78..eb51bc147440 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -869,6 +869,26 @@ static void __init of_unittest_changeset(void)
#endif
}

+static void __init of_unittest_dma_get_max_cpu_address(void)
+{
+ struct device_node *np;
+ phys_addr_t cpu_addr;
+
+ if (!IS_ENABLED(CONFIG_OF_ADDRESS))
+ return;
+
+ np = of_find_node_by_path("/testcase-data/address-tests");
+ if (!np) {
+ pr_err("missing testcase data\n");
+ return;
+ }
+
+ cpu_addr = of_dma_get_max_cpu_address(np);
+ unittest(cpu_addr == 0x4fffffff,
+ "of_dma_get_max_cpu_address: wrong CPU addr %pad (expecting %x)\n",
+ &cpu_addr, 0x4fffffff);
+}
+
static void __init of_unittest_dma_ranges_one(const char *path,
u64 expect_dma_addr, u64 expect_paddr)
{
@@ -3266,6 +3286,7 @@ static int __init of_unittest(void)
of_unittest_changeset();
of_unittest_parse_interrupts();
of_unittest_parse_interrupts_extended();
+ of_unittest_dma_get_max_cpu_address();
of_unittest_parse_dma_ranges();
of_unittest_pci_dma_ranges();
of_unittest_match_node();
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 9a5d652c1672..c99e293b50f5 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1229,6 +1229,11 @@ static int inc_block_group_ro(struct btrfs_block_group *cache, int force)
spin_lock(&sinfo->lock);
spin_lock(&cache->lock);

+ if (cache->swap_extents) {
+ ret = -ETXTBSY;
+ goto out;
+ }
+
if (cache->ro) {
cache->ro++;
ret = 0;
@@ -2274,7 +2279,7 @@ int btrfs_inc_block_group_ro(struct btrfs_block_group *cache,
}

ret = inc_block_group_ro(cache, 0);
- if (!do_chunk_alloc)
+ if (!do_chunk_alloc || ret == -ETXTBSY)
goto unlock_out;
if (!ret)
goto out;
@@ -2283,6 +2288,8 @@ int btrfs_inc_block_group_ro(struct btrfs_block_group *cache,
if (ret < 0)
goto out;
ret = inc_block_group_ro(cache, 0);
+ if (ret == -ETXTBSY)
+ goto unlock_out;
out:
if (cache->flags & BTRFS_BLOCK_GROUP_SYSTEM) {
alloc_flags = btrfs_get_alloc_profile(fs_info, cache->flags);
@@ -3363,6 +3370,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
ASSERT(list_empty(&block_group->io_list));
ASSERT(list_empty(&block_group->bg_list));
ASSERT(refcount_read(&block_group->refs) == 1);
+ ASSERT(block_group->swap_extents == 0);
btrfs_put_block_group(block_group);

spin_lock(&info->block_group_cache_lock);
@@ -3429,3 +3437,26 @@ void btrfs_unfreeze_block_group(struct btrfs_block_group *block_group)
__btrfs_remove_free_space_cache(block_group->free_space_ctl);
}
}
+
+bool btrfs_inc_block_group_swap_extents(struct btrfs_block_group *bg)
+{
+ bool ret = true;
+
+ spin_lock(&bg->lock);
+ if (bg->ro)
+ ret = false;
+ else
+ bg->swap_extents++;
+ spin_unlock(&bg->lock);
+
+ return ret;
+}
+
+void btrfs_dec_block_group_swap_extents(struct btrfs_block_group *bg, int amount)
+{
+ spin_lock(&bg->lock);
+ ASSERT(!bg->ro);
+ ASSERT(bg->swap_extents >= amount);
+ bg->swap_extents -= amount;
+ spin_unlock(&bg->lock);
+}
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index adfd7583a17b..4c7614346f72 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -181,6 +181,12 @@ struct btrfs_block_group {
*/
int needs_free_space;

+ /*
+ * Number of extents in this block group used for swap files.
+ * All accesses protected by the spinlock 'lock'.
+ */
+ int swap_extents;
+
/* Record locked full stripes for RAID5/6 block group */
struct btrfs_full_stripe_locks_tree full_stripe_locks_root;
};
@@ -299,4 +305,7 @@ int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start,
u64 physical, u64 **logical, int *naddrs, int *stripe_len);
#endif

+bool btrfs_inc_block_group_swap_extents(struct btrfs_block_group *bg);
+void btrfs_dec_block_group_swap_extents(struct btrfs_block_group *bg, int amount);
+
#endif /* BTRFS_BLOCK_GROUP_H */
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b6884eda9ff6..bcc6848bb6d6 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -522,6 +522,11 @@ struct btrfs_swapfile_pin {
* points to a struct btrfs_device.
*/
bool is_block_group;
+ /*
+ * Only used when 'is_block_group' is true and it is the number of
+ * extents used by a swapfile for this block group ('ptr' field).
+ */
+ int bg_extent_count;
};

bool btrfs_pinned_by_swapfile(struct btrfs_fs_info *fs_info, void *ptr);
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 5aba81e16113..36e0de34ec68 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -649,7 +649,7 @@ static int btrfs_delayed_inode_reserve_metadata(
btrfs_ino(inode),
num_bytes, 1);
} else {
- btrfs_qgroup_free_meta_prealloc(root, fs_info->nodesize);
+ btrfs_qgroup_free_meta_prealloc(root, num_bytes);
}
return ret;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 4373da7bcc0d..c81a20cc10dc 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3236,8 +3236,11 @@ static int btrfs_zero_range(struct inode *inode,
goto out;
ret = btrfs_qgroup_reserve_data(BTRFS_I(inode), &data_reserved,
alloc_start, bytes_to_reserve);
- if (ret)
+ if (ret) {
+ unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,
+ lockend, &cached_state);
goto out;
+ }
ret = btrfs_prealloc_file_range(inode, mode, alloc_start,
alloc_end - alloc_start,
i_blocksize(inode),
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index ae4059ce2f84..ba280707d5ec 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2714,8 +2714,10 @@ static void __btrfs_return_cluster_to_free_space(
struct rb_node *node;

spin_lock(&cluster->lock);
- if (cluster->block_group != block_group)
- goto out;
+ if (cluster->block_group != block_group) {
+ spin_unlock(&cluster->lock);
+ return;
+ }

cluster->block_group = NULL;
cluster->window_start = 0;
@@ -2753,8 +2755,6 @@ static void __btrfs_return_cluster_to_free_space(
entry->offset, &entry->offset_index, bitmap);
}
cluster->root = RB_ROOT;
-
-out:
spin_unlock(&cluster->lock);
btrfs_put_block_group(block_group);
}
@@ -3034,8 +3034,6 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group,
entry->bytes -= bytes;
}

- if (entry->bytes == 0)
- rb_erase(&entry->offset_index, &cluster->root);
break;
}
out:
@@ -3052,7 +3050,10 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group,
ctl->free_space -= bytes;
if (!entry->bitmap && !btrfs_free_space_trimmed(entry))
ctl->discardable_bytes[BTRFS_STAT_CURR] -= bytes;
+
+ spin_lock(&cluster->lock);
if (entry->bytes == 0) {
+ rb_erase(&entry->offset_index, &cluster->root);
ctl->free_extents--;
if (entry->bitmap) {
kmem_cache_free(btrfs_free_space_bitmap_cachep,
@@ -3065,6 +3066,7 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group *block_group,
kmem_cache_free(btrfs_free_space_cachep, entry);
}

+ spin_unlock(&cluster->lock);
spin_unlock(&ctl->tree_lock);

return ret;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4d85f3a6695d..9b3df72ceffb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9993,6 +9993,7 @@ static int btrfs_add_swapfile_pin(struct inode *inode, void *ptr,
sp->ptr = ptr;
sp->inode = inode;
sp->is_block_group = is_block_group;
+ sp->bg_extent_count = 1;

spin_lock(&fs_info->swapfile_pins_lock);
p = &fs_info->swapfile_pins.rb_node;
@@ -10006,6 +10007,8 @@ static int btrfs_add_swapfile_pin(struct inode *inode, void *ptr,
(sp->ptr == entry->ptr && sp->inode > entry->inode)) {
p = &(*p)->rb_right;
} else {
+ if (is_block_group)
+ entry->bg_extent_count++;
spin_unlock(&fs_info->swapfile_pins_lock);
kfree(sp);
return 1;
@@ -10031,8 +10034,11 @@ static void btrfs_free_swapfile_pins(struct inode *inode)
sp = rb_entry(node, struct btrfs_swapfile_pin, node);
if (sp->inode == inode) {
rb_erase(&sp->node, &fs_info->swapfile_pins);
- if (sp->is_block_group)
+ if (sp->is_block_group) {
+ btrfs_dec_block_group_swap_extents(sp->ptr,
+ sp->bg_extent_count);
btrfs_put_block_group(sp->ptr);
+ }
kfree(sp);
}
node = next;
@@ -10093,7 +10099,8 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file,
sector_t *span)
{
struct inode *inode = file_inode(file);
- struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
+ struct btrfs_root *root = BTRFS_I(inode)->root;
+ struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
struct extent_state *cached_state = NULL;
struct extent_map *em = NULL;
@@ -10144,13 +10151,27 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file,
"cannot activate swapfile while exclusive operation is running");
return -EBUSY;
}
+
+ /*
+ * Prevent snapshot creation while we are activating the swap file.
+ * We do not want to race with snapshot creation. If snapshot creation
+ * already started before we bumped nr_swapfiles from 0 to 1 and
+ * completes before the first write into the swap file after it is
+ * activated, than that write would fallback to COW.
+ */
+ if (!btrfs_drew_try_write_lock(&root->snapshot_lock)) {
+ btrfs_exclop_finish(fs_info);
+ btrfs_warn(fs_info,
+ "cannot activate swapfile because snapshot creation is in progress");
+ return -EINVAL;
+ }
/*
* Snapshots can create extents which require COW even if NODATACOW is
* set. We use this counter to prevent snapshots. We must increment it
* before walking the extents because we don't want a concurrent
* snapshot to run after we've already checked the extents.
*/
- atomic_inc(&BTRFS_I(inode)->root->nr_swapfiles);
+ atomic_inc(&root->nr_swapfiles);

isize = ALIGN_DOWN(inode->i_size, fs_info->sectorsize);

@@ -10247,6 +10268,17 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file,
goto out;
}

+ if (!btrfs_inc_block_group_swap_extents(bg)) {
+ btrfs_warn(fs_info,
+ "block group for swapfile at %llu is read-only%s",
+ bg->start,
+ atomic_read(&fs_info->scrubs_running) ?
+ " (scrub running)" : "");
+ btrfs_put_block_group(bg);
+ ret = -EINVAL;
+ goto out;
+ }
+
ret = btrfs_add_swapfile_pin(inode, bg, true);
if (ret) {
btrfs_put_block_group(bg);
@@ -10285,6 +10317,8 @@ static int btrfs_swap_activate(struct swap_info_struct *sis, struct file *file,
if (ret)
btrfs_swap_deactivate(file);

+ btrfs_drew_write_unlock(&root->snapshot_lock);
+
btrfs_exclop_finish(fs_info);

if (ret)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index bd46e107f955..f5135314e4b3 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1914,7 +1914,10 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
if (vol_args->flags & BTRFS_SUBVOL_RDONLY)
readonly = true;
if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
- if (vol_args->size > PAGE_SIZE) {
+ u64 nums;
+
+ if (vol_args->size < sizeof(*inherit) ||
+ vol_args->size > PAGE_SIZE) {
ret = -EINVAL;
goto free_args;
}
@@ -1923,6 +1926,20 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file,
ret = PTR_ERR(inherit);
goto free_args;
}
+
+ if (inherit->num_qgroups > PAGE_SIZE ||
+ inherit->num_ref_copies > PAGE_SIZE ||
+ inherit->num_excl_copies > PAGE_SIZE) {
+ ret = -EINVAL;
+ goto free_inherit;
+ }
+
+ nums = inherit->num_qgroups + 2 * inherit->num_ref_copies +
+ 2 * inherit->num_excl_copies;
+ if (vol_args->size != struct_size(inherit, qgroups, nums)) {
+ ret = -EINVAL;
+ goto free_inherit;
+ }
}

ret = __btrfs_ioctl_snap_create(file, vol_args->name, vol_args->fd,
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 255490f42b5d..9d33bf0154ab 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -2363,16 +2363,21 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
SetPageUptodate(p_page);

if (has_qstripe) {
+ /* RAID6, allocate and map temp space for the Q stripe */
q_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM);
if (!q_page) {
__free_page(p_page);
goto cleanup;
}
SetPageUptodate(q_page);
+ pointers[rbio->real_stripes - 1] = kmap(q_page);
}

atomic_set(&rbio->error, 0);

+ /* Map the parity stripe just once */
+ pointers[nr_data] = kmap(p_page);
+
for_each_set_bit(pagenr, rbio->dbitmap, rbio->stripe_npages) {
struct page *p;
void *parity;
@@ -2382,16 +2387,8 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
pointers[stripe] = kmap(p);
}

- /* then add the parity stripe */
- pointers[stripe++] = kmap(p_page);
-
if (has_qstripe) {
- /*
- * raid6, add the qstripe and call the
- * library function to fill in our p/q
- */
- pointers[stripe++] = kmap(q_page);
-
+ /* RAID6, call the library function to fill in our P/Q */
raid6_call.gen_syndrome(rbio->real_stripes, PAGE_SIZE,
pointers);
} else {
@@ -2412,12 +2409,14 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,

for (stripe = 0; stripe < nr_data; stripe++)
kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
- kunmap(p_page);
}

+ kunmap(p_page);
__free_page(p_page);
- if (q_page)
+ if (q_page) {
+ kunmap(q_page);
__free_page(q_page);
+ }

writeback:
/*
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index a646af95dd10..c4f87df53283 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -548,6 +548,24 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
btrfs_release_path(path);
path->leave_spinning = 0;

+ /*
+ * When using NO_HOLES and we are cloning a range that covers
+ * only a hole (no extents) into a range beyond the current
+ * i_size, punching a hole in the target range will not create
+ * an extent map defining a hole, because the range starts at or
+ * beyond current i_size. If the file previously had an i_size
+ * greater than the new i_size set by this clone operation, we
+ * need to make sure the next fsync is a full fsync, so that it
+ * detects and logs a hole covering a range from the current
+ * i_size to the new i_size. If the clone range covers extents,
+ * besides a hole, then we know the full sync flag was already
+ * set by previous calls to btrfs_replace_file_extents() that
+ * replaced file extent items.
+ */
+ if (last_dest_end >= i_size_read(inode))
+ set_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
+ &BTRFS_I(inode)->runtime_flags);
+
ret = btrfs_replace_file_extents(inode, path, last_dest_end,
destoff + len - 1, NULL, &trans);
if (ret)
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index e71e7586e9eb..0392c556af60 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3568,6 +3568,13 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
* commit_transactions.
*/
ro_set = 0;
+ } else if (ret == -ETXTBSY) {
+ btrfs_warn(fs_info,
+ "skipping scrub of block group %llu due to active swapfile",
+ cache->start);
+ scrub_pause_off(fs_info);
+ ret = 0;
+ goto skip_unfreeze;
} else {
btrfs_warn(fs_info,
"failed setting block group ro: %d", ret);
@@ -3657,7 +3664,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
} else {
spin_unlock(&cache->lock);
}
-
+skip_unfreeze:
btrfs_unfreeze_block_group(cache);
btrfs_put_block_group(cache);
if (ret)
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index e51774201d53..f1a60bcdb3db 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -229,11 +229,33 @@ int btrfs_setxattr_trans(struct inode *inode, const char *name,
{
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_trans_handle *trans;
+ const bool start_trans = (current->journal_info == NULL);
int ret;

- trans = btrfs_start_transaction(root, 2);
- if (IS_ERR(trans))
- return PTR_ERR(trans);
+ if (start_trans) {
+ /*
+ * 1 unit for inserting/updating/deleting the xattr
+ * 1 unit for the inode item update
+ */
+ trans = btrfs_start_transaction(root, 2);
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
+ } else {
+ /*
+ * This can happen when smack is enabled and a directory is being
+ * created. It happens through d_instantiate_new(), which calls
+ * smack_d_instantiate(), which in turn calls __vfs_setxattr() to
+ * set the transmute xattr (XATTR_NAME_SMACKTRANSMUTE) on the
+ * inode. We have already reserved space for the xattr and inode
+ * update at btrfs_mkdir(), so just use the transaction handle.
+ * We don't join or start a transaction, as that will reset the
+ * block_rsv of the handle and trigger a warning for the start
+ * case.
+ */
+ ASSERT(strncmp(name, XATTR_SECURITY_PREFIX,
+ XATTR_SECURITY_PREFIX_LEN) == 0);
+ trans = current->journal_info;
+ }

ret = btrfs_setxattr(trans, inode, name, value, size, flags);
if (ret)
@@ -244,7 +266,8 @@ int btrfs_setxattr_trans(struct inode *inode, const char *name,
ret = btrfs_update_inode(trans, root, inode);
BUG_ON(ret);
out:
- btrfs_end_transaction(trans);
+ if (start_trans)
+ btrfs_end_transaction(trans);
return ret;
}

diff --git a/fs/io_uring.c b/fs/io_uring.c
index d0172cc4f642..691c99869143 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5083,6 +5083,9 @@ static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
pt->error = -EINVAL;
return;
}
+ /* double add on the same waitqueue head, ignore */
+ if (poll->head == head)
+ return;
poll = kmalloc(sizeof(*poll), GFP_ATOMIC);
if (!poll) {
pt->error = -ENOMEM;
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index af2ff31ff619..13f8a6a54ca8 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -149,7 +149,7 @@ struct ahash_alg {

struct shash_desc {
struct crypto_shash *tfm;
- void *__ctx[] CRYPTO_MINALIGN_ATTR;
+ void *__ctx[] __aligned(ARCH_SLAB_MINALIGN);
};

#define HASH_MAX_DIGESTSIZE 64
@@ -162,9 +162,9 @@ struct shash_desc {

#define HASH_MAX_STATESIZE 512

-#define SHASH_DESC_ON_STACK(shash, ctx) \
- char __##shash##_desc[sizeof(struct shash_desc) + \
- HASH_MAX_DESCSIZE] CRYPTO_MINALIGN_ATTR; \
+#define SHASH_DESC_ON_STACK(shash, ctx) \
+ char __##shash##_desc[sizeof(struct shash_desc) + HASH_MAX_DESCSIZE] \
+ __aligned(__alignof__(struct shash_desc)); \
struct shash_desc *shash = (struct shash_desc *)__##shash##_desc

/**
diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h
index 20a32120bb88..1a12baa58e40 100644
--- a/include/linux/acpi_iort.h
+++ b/include/linux/acpi_iort.h
@@ -38,6 +38,7 @@ void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size);
const struct iommu_ops *iort_iommu_configure_id(struct device *dev,
const u32 *id_in);
int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head);
+phys_addr_t acpi_iort_dma_get_max_cpu_address(void);
#else
static inline void acpi_iort_init(void) { }
static inline u32 iort_msi_map_id(struct device *dev, u32 id)
@@ -55,6 +56,9 @@ static inline const struct iommu_ops *iort_iommu_configure_id(
static inline
int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head)
{ return 0; }
+
+static inline phys_addr_t acpi_iort_dma_get_max_cpu_address(void)
+{ return PHYS_ADDR_MAX; }
#endif

#endif /* __ACPI_IORT_H__ */
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index ef90e07c9635..e3abd1f8646a 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -151,9 +151,12 @@
* The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
* declaration) is used to ensure that the crypto_tfm context structure is
* aligned correctly for the given architecture so that there are no alignment
- * faults for C data types. In particular, this is required on platforms such
- * as arm where pointers are 32-bit aligned but there are data types such as
- * u64 which require 64-bit alignment.
+ * faults for C data types. On architectures that support non-cache coherent
+ * DMA, such as ARM or arm64, it also takes into account the minimal alignment
+ * that is required to ensure that the context struct member does not share any
+ * cachelines with the rest of the struct. This is needed to ensure that cache
+ * maintenance for non-coherent DMA (cache invalidation in particular) does not
+ * affect data that may be accessed by the CPU concurrently.
*/
#define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index fb3bf696c05e..9d0c454d23cd 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -354,26 +354,6 @@ enum zone_type {
* DMA mask is assumed when ZONE_DMA32 is defined. Some 64-bit
* platforms may need both zones as they support peripherals with
* different DMA addressing limitations.
- *
- * Some examples:
- *
- * - i386 and x86_64 have a fixed 16M ZONE_DMA and ZONE_DMA32 for the
- * rest of the lower 4G.
- *
- * - arm only uses ZONE_DMA, the size, up to 4G, may vary depending on
- * the specific device.
- *
- * - arm64 has a fixed 1G ZONE_DMA and ZONE_DMA32 for the rest of the
- * lower 4G.
- *
- * - powerpc only uses ZONE_DMA, the size, up to 2G, may vary
- * depending on the specific device.
- *
- * - s390 uses ZONE_DMA fixed to the lower 2G.
- *
- * - ia64 and riscv only use ZONE_DMA32.
- *
- * - parisc uses neither.
*/
#ifdef CONFIG_ZONE_DMA
ZONE_DMA,
diff --git a/include/linux/of.h b/include/linux/of.h
index af655d264f10..0f4e81e6fb23 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -558,6 +558,8 @@ int of_map_id(struct device_node *np, u32 id,
const char *map_name, const char *map_mask_name,
struct device_node **target, u32 *id_out);

+phys_addr_t of_dma_get_max_cpu_address(struct device_node *np);
+
#else /* CONFIG_OF */

static inline void of_core_init(void)
@@ -995,6 +997,11 @@ static inline int of_map_id(struct device_node *np, u32 id,
return -EINVAL;
}

+static inline phys_addr_t of_dma_get_max_cpu_address(struct device_node *np)
+{
+ return PHYS_ADDR_MAX;
+}
+
#define of_match_ptr(_ptr) NULL
#define of_match_node(_matches, _node) NULL
#endif /* CONFIG_OF */
diff --git a/include/sound/intel-nhlt.h b/include/sound/intel-nhlt.h
index 743c2f442280..d0574805865f 100644
--- a/include/sound/intel-nhlt.h
+++ b/include/sound/intel-nhlt.h
@@ -112,6 +112,11 @@ struct nhlt_vendor_dmic_array_config {
/* TODO add vendor mic config */
} __packed;

+enum {
+ NHLT_CONFIG_TYPE_GENERIC = 0,
+ NHLT_CONFIG_TYPE_MIC_ARRAY = 1
+};
+
enum {
NHLT_MIC_ARRAY_2CH_SMALL = 0xa,
NHLT_MIC_ARRAY_2CH_BIG = 0xb,
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index ddeb865706ba..b12e5f4721ca 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2836,6 +2836,17 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer,
write_stamp, write_stamp - delta))
return 0;

+ /*
+ * It's possible that the event time delta is zero
+ * (has the same time stamp as the previous event)
+ * in which case write_stamp and before_stamp could
+ * be the same. In such a case, force before_stamp
+ * to be different than write_stamp. It doesn't
+ * matter what it is, as long as its different.
+ */
+ if (!delta)
+ rb_time_set(&cpu_buffer->before_stamp, 0);
+
/*
* If an event were to come in now, it would see that the
* write_stamp and the before_stamp are different, and assume
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index b9c2ee7ab43f..cce12e1971d8 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -438,7 +438,7 @@ static int arm_is_fake_mcount(Elf32_Rel const *rp)

static int arm64_is_fake_mcount(Elf64_Rel const *rp)
{
- return ELF64_R_TYPE(w(rp->r_info)) != R_AARCH64_CALL26;
+ return ELF64_R_TYPE(w8(rp->r_info)) != R_AARCH64_CALL26;
}

/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
diff --git a/security/tomoyo/network.c b/security/tomoyo/network.c
index a89ed55d85d4..478f757ff843 100644
--- a/security/tomoyo/network.c
+++ b/security/tomoyo/network.c
@@ -613,7 +613,7 @@ static int tomoyo_check_unix_address(struct sockaddr *addr,
static bool tomoyo_kernel_service(void)
{
/* Nothing to do if I am a kernel service. */
- return uaccess_kernel();
+ return (current->flags & (PF_KTHREAD | PF_IO_WORKER)) == PF_KTHREAD;
}

/**
diff --git a/sound/hda/intel-nhlt.c b/sound/hda/intel-nhlt.c
index 059aaf04f536..d053beccfaec 100644
--- a/sound/hda/intel-nhlt.c
+++ b/sound/hda/intel-nhlt.c
@@ -31,18 +31,44 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt)
struct nhlt_endpoint *epnt;
struct nhlt_dmic_array_config *cfg;
struct nhlt_vendor_dmic_array_config *cfg_vendor;
+ struct nhlt_fmt *fmt_configs;
unsigned int dmic_geo = 0;
- u8 j;
+ u16 max_ch = 0;
+ u8 i, j;

if (!nhlt)
return 0;

- epnt = (struct nhlt_endpoint *)nhlt->desc;
+ for (j = 0, epnt = nhlt->desc; j < nhlt->endpoint_count; j++,
+ epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length)) {

- for (j = 0; j < nhlt->endpoint_count; j++) {
- if (epnt->linktype == NHLT_LINK_DMIC) {
- cfg = (struct nhlt_dmic_array_config *)
- (epnt->config.caps);
+ if (epnt->linktype != NHLT_LINK_DMIC)
+ continue;
+
+ cfg = (struct nhlt_dmic_array_config *)(epnt->config.caps);
+ fmt_configs = (struct nhlt_fmt *)(epnt->config.caps + epnt->config.size);
+
+ /* find max number of channels based on format_configuration */
+ if (fmt_configs->fmt_count) {
+ dev_dbg(dev, "%s: found %d format definitions\n",
+ __func__, fmt_configs->fmt_count);
+
+ for (i = 0; i < fmt_configs->fmt_count; i++) {
+ struct wav_fmt_ext *fmt_ext;
+
+ fmt_ext = &fmt_configs->fmt_config[i].fmt_ext;
+
+ if (fmt_ext->fmt.channels > max_ch)
+ max_ch = fmt_ext->fmt.channels;
+ }
+ dev_dbg(dev, "%s: max channels found %d\n", __func__, max_ch);
+ } else {
+ dev_dbg(dev, "%s: No format information found\n", __func__);
+ }
+
+ if (cfg->device_config.config_type != NHLT_CONFIG_TYPE_MIC_ARRAY) {
+ dmic_geo = max_ch;
+ } else {
switch (cfg->array_type) {
case NHLT_MIC_ARRAY_2CH_SMALL:
case NHLT_MIC_ARRAY_2CH_BIG:
@@ -59,13 +85,23 @@ int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt)
dmic_geo = cfg_vendor->nb_mics;
break;
default:
- dev_warn(dev, "undefined DMIC array_type 0x%0x\n",
- cfg->array_type);
+ dev_warn(dev, "%s: undefined DMIC array_type 0x%0x\n",
+ __func__, cfg->array_type);
+ }
+
+ if (dmic_geo > 0) {
+ dev_dbg(dev, "%s: Array with %d dmics\n", __func__, dmic_geo);
+ }
+ if (max_ch > dmic_geo) {
+ dev_dbg(dev, "%s: max channels %d exceed dmic number %d\n",
+ __func__, max_ch, dmic_geo);
}
}
- epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
}

+ dev_dbg(dev, "%s: dmic number %d max_ch %d\n",
+ __func__, dmic_geo, max_ch);
+
return dmic_geo;
}
EXPORT_SYMBOL_GPL(intel_nhlt_get_dmic_geo);
diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
index fc1bc18caee9..85d1fc76f59e 100644
--- a/sound/pci/ctxfi/cthw20k2.c
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -991,7 +991,7 @@ static int daio_mgr_dao_init(void *blk, unsigned int idx, unsigned int conf)

if (idx < 4) {
/* S/PDIF output */
- switch ((conf & 0x7)) {
+ switch ((conf & 0xf)) {
case 1:
set_field(&ctl->txctl[idx], ATXCTL_NUC, 0);
break;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 5f4f8c2d760f..b47504fa8dfd 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6408,6 +6408,7 @@ enum {
ALC236_FIXUP_DELL_AIO_HEADSET_MIC,
ALC282_FIXUP_ACER_DISABLE_LINEOUT,
ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST,
+ ALC256_FIXUP_ACER_HEADSET_MIC,
};

static const struct hda_fixup alc269_fixups[] = {
@@ -7864,6 +7865,16 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC255_FIXUP_ACER_MIC_NO_PRESENCE,
},
+ [ALC256_FIXUP_ACER_HEADSET_MIC] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x02a1113c }, /* use as headset mic, without its own jack detect */
+ { 0x1a, 0x90a1092f }, /* use as internal mic */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
+ },
};

static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7890,9 +7901,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1025, 0x1246, "Acer Predator Helios 500", ALC299_FIXUP_PREDATOR_SPK),
SND_PCI_QUIRK(0x1025, 0x1247, "Acer vCopperbox", ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS),
SND_PCI_QUIRK(0x1025, 0x1248, "Acer Veriton N4660G", ALC269VC_FIXUP_ACER_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1025, 0x1269, "Acer SWIFT SF314-54", ALC256_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x128f, "Acer Veriton Z6860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1290, "Acer Veriton Z4860G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1291, "Acer Veriton Z4660G", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1025, 0x129c, "Acer SWIFT SF314-55", ALC256_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1308, "Acer Aspire Z24-890", ALC286_FIXUP_ACER_AIO_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x132a, "Acer TravelMate B114-21", ALC233_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", ALC255_FIXUP_ACER_HEADSET_MIC),
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 81e987eaf063..375cfb9c9ab7 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1301,6 +1301,17 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
/* totally crap, return an error */
return -EINVAL;
}
+ } else {
+ /* if the max volume is too low, it's likely a bogus range;
+ * here we use -96dB as the threshold
+ */
+ if (cval->dBmax <= -9600) {
+ usb_audio_info(cval->head.mixer->chip,
+ "%d:%d: bogus dB values (%d/%d), disabling dB reporting\n",
+ cval->head.id, mixer_ctrl_intf(cval->head.mixer),
+ cval->dBmin, cval->dBmax);
+ cval->dBmin = cval->dBmax = 0;
+ }
}

return 0;
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index a7212f16660e..646deb6244b1 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -536,6 +536,16 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x05a7, 0x1020),
.map = bose_companion5_map,
},
+ {
+ /* Corsair Virtuoso SE (wired mode) */
+ .id = USB_ID(0x1b1c, 0x0a3d),
+ .map = corsair_virtuoso_map,
+ },
+ {
+ /* Corsair Virtuoso SE (wireless mode) */
+ .id = USB_ID(0x1b1c, 0x0a3e),
+ .map = corsair_virtuoso_map,
+ },
{
/* Corsair Virtuoso (wired mode) */
.id = USB_ID(0x1b1c, 0x0a41),