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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:38:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:38:55 -0700 |
| commit | 0671b7674f42ab3a200401ea0e48d6f47d34acae (patch) | |
| tree | a35d3347e927dfe621f42ff82289f61f45564393 /arch/x86/kernel/irq_32.c | |
| parent | 0b2d8d9e562de3ee2476f549549e4fefbb7a4213 (diff) | |
| parent | 47f19a0814e80e1d4e5c17d61b70fca85ea09162 (diff) | |
| download | linux-0671b7674f42ab3a200401ea0e48d6f47d34acae.tar.gz linux-0671b7674f42ab3a200401ea0e48d6f47d34acae.tar.bz2 linux-0671b7674f42ab3a200401ea0e48d6f47d34acae.zip | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
percpu: Remove the multi-page alignment facility
x86-32: Allocate irq stacks seperate from percpu area
x86-32, mm: Remove duplicated #include
x86, printk: Get rid of <0> from stack output
x86, kexec: Make sure to stop all CPUs before exiting the kernel
x86/vsmp: Eliminate kconfig dependency warning
Diffstat (limited to 'arch/x86/kernel/irq_32.c')
| -rw-r--r-- | arch/x86/kernel/irq_32.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 50fbbe60e507..64668dbf00a4 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -60,9 +60,6 @@ union irq_ctx { static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx); static DEFINE_PER_CPU(union irq_ctx *, softirq_ctx); -static DEFINE_PER_CPU_MULTIPAGE_ALIGNED(union irq_ctx, hardirq_stack, THREAD_SIZE); -static DEFINE_PER_CPU_MULTIPAGE_ALIGNED(union irq_ctx, softirq_stack, THREAD_SIZE); - static void call_on_stack(void *func, void *stack) { asm volatile("xchgl %%ebx,%%esp \n" @@ -128,7 +125,7 @@ void __cpuinit irq_ctx_init(int cpu) if (per_cpu(hardirq_ctx, cpu)) return; - irqctx = &per_cpu(hardirq_stack, cpu); + irqctx = (union irq_ctx *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER); irqctx->tinfo.task = NULL; irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; @@ -137,7 +134,7 @@ void __cpuinit irq_ctx_init(int cpu) per_cpu(hardirq_ctx, cpu) = irqctx; - irqctx = &per_cpu(softirq_stack, cpu); + irqctx = (union irq_ctx *)__get_free_pages(THREAD_FLAGS, THREAD_ORDER); irqctx->tinfo.task = NULL; irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; @@ -150,11 +147,6 @@ void __cpuinit irq_ctx_init(int cpu) cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu)); } -void irq_ctx_exit(int cpu) -{ - per_cpu(hardirq_ctx, cpu) = NULL; -} - asmlinkage void do_softirq(void) { unsigned long flags; |