summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2010-07-27 14:13:13 +0200
committerH. Peter Anvin <hpa@zytor.com>2010-07-27 10:06:54 -0700
commit25897374297906eeebef8864299406bdcb5859c3 (patch)
tree955e0a43a44e0af76df86769ec708274a42ff1bd /arch
parentdcfa726280116dd31adad37da940f542663567d0 (diff)
x86-32: Align IRQ stacks properly
As suggested by Steven Rostedt we need to align the IRQ stacks to the stack size, not just the page size to make them work for stack traces and other things that depend on finding the stack slot itself with 8k stacks. Signed-off-by: Christoph Hellwig <hch@lst.de> LKML-Reference: <20100727121313.GA19976@lst.de> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/irq_32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 67f5f9f5299..3b5609f54c4 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -55,7 +55,7 @@ static inline void print_stack_overflow(void) { }
union irq_ctx {
struct thread_info tinfo;
u32 stack[THREAD_SIZE/sizeof(u32)];
-} __attribute__((aligned(PAGE_SIZE)));
+} __attribute__((aligned(THREAD_SIZE)));
static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx);
static DEFINE_PER_CPU(union irq_ctx *, softirq_ctx);