[GIT PULL] x86 fixes

Ingo Molnar
2011-04-07T17:36:24Z

Linus,

Please pull the latest x86-fixes-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus

Thanks,

Ingo

------------------>
H. Peter Anvin (1):
x86, hibernate: Initialize mmu_cr4_features during boot

Hans Rosenfeld (1):
x86-32, fpu: Fix FPU exception handling on non-SSE systems

Tejun Heo (1):
x86-32, NUMA: Fix ACPI NUMA init broken by recent x86-64 change

Thomas Gleixner (1):
x86: visws: Fixup irq overhaul fallout

arch/x86/include/asm/i387.h | 2 +-
arch/x86/kernel/setup.c | 5 +++++
arch/x86/mm/srat_32.c | 4 +++-
arch/x86/platform/visws/visws_quirks.c | 20 ++++++--------------
4 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index ef32890..c9e09ea 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -237,7 +237,7 @@ static inline void fpu_save_init(struct fpu *fpu)
} else if (use_fxsr()) {
fpu_fxsave(fpu);
} else {
- asm volatile("fsave %[fx]; fwait"
+ asm volatile("fnsave %[fx]; fwait"
: [fx] "=m" (fpu->state->fsave));
return;
}
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5a0484a..4be9b39 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -976,6 +976,11 @@ void __init setup_arch(char **cmdline_p)
paging_init();
x86_init.paging.pagetable_setup_done(swapper_pg_dir);

+ if (boot_cpu_data.cpuid_level >= 0) {
+ /* A CPU has %cr4 if and only if it has CPUID */
+ mmu_cr4_features = read_cr4();
+ }
+
#ifdef CONFIG_X86_32
/* sync back kernel address range */
clone_pgd_range(initial_page_table + KERNEL_PGD_BOUNDARY,
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 48651c6..364f36b 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -211,10 +211,12 @@ int __init get_memcfg_from_srat(void)
{
int i, j, nid;

-
if (srat_disabled())
goto out_fail;

+ if (acpi_numa_init() < 0)
+ goto out_fail;
+
if (num_memory_chunks == 0) {
printk(KERN_DEBUG
"could not find any ACPI SRAT memory areas.\n");
diff --git a/arch/x86/platform/visws/visws_quirks.c b/arch/x86/platform/visws/visws_quirks.c
index fe4cf82..c7abf13 100644
--- a/arch/x86/platform/visws/visws_quirks.c
+++ b/arch/x86/platform/visws/visws_quirks.c
@@ -471,15 +471,7 @@ static unsigned int startup_piix4_master_irq(struct irq_data *data)
{
legacy_pic->init(0);
enable_cobalt_irq(data);
-}
-
-static void end_piix4_master_irq(struct irq_data *data)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cobalt_lock, flags);
- enable_cobalt_irq(data);
- spin_unlock_irqrestore(&cobalt_lock, flags);
+ return 0;
}

static struct irq_chip piix4_master_irq_type = {
@@ -492,7 +484,7 @@ static void pii4_mask(struct irq_data *data) { }

static struct irq_chip piix4_virtual_irq_type = {
.name = "PIIX4-virtual",
- .mask = pii4_mask,
+ .irq_mask = pii4_mask,
};

/*
@@ -580,9 +572,9 @@ static struct irqaction cascade_action = {

static inline void set_piix4_virtual_irq_type(void)
{
- piix4_virtual_irq_type.enable = i8259A_chip.unmask;
- piix4_virtual_irq_type.disable = i8259A_chip.mask;
- piix4_virtual_irq_type.unmask = i8259A_chip.unmask;
+ piix4_virtual_irq_type.irq_enable = i8259A_chip.irq_unmask;
+ piix4_virtual_irq_type.irq_disable = i8259A_chip.irq_mask;
+ piix4_virtual_irq_type.irq_unmask = i8259A_chip.irq_unmask;
}

static void __init visws_pre_intr_init(void)
@@ -599,7 +591,7 @@ static void __init visws_pre_intr_init(void)
else if (i == CO_IRQ_IDE0)
chip = &cobalt_irq_type;
else if (i == CO_IRQ_IDE1)
- >chip = &cobalt_irq_type;
+ chip = &cobalt_irq_type;
else if (i == CO_IRQ_8259)
chip = &piix4_master_irq_type;
else if (i < CO_IRQ_APIC0)