Messages in this thread Patch in this message | | | Date | Mon, 5 Dec 2011 05:26:18 -0800 | From | tip-bot for Ingo Molnar <> | Subject | [tip:x86/debug] x86: Fix the 32-bit stackoverflow-debug build |
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Commit-ID: 53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca Gitweb: http://git.kernel.org/tip/53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca Author: Ingo Molnar <mingo@elte.hu> AuthorDate: Mon, 5 Dec 2011 12:25:44 +0100 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Mon, 5 Dec 2011 12:25:44 +0100
x86: Fix the 32-bit stackoverflow-debug build
The panic_on_stackoverflow variable needs to be avilable on the 32-bit side as well ...
Cc: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Link: http://lkml.kernel.org/r/20111129060836.11076.12323.stgit@ltc219.sdl.hitachi.co.jp Signed-off-by: Ingo Molnar <mingo@elte.hu> --- arch/x86/kernel/irq_32.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index e16e99eb..40fc861 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -28,6 +28,9 @@ DEFINE_PER_CPU(struct pt_regs *, irq_regs); EXPORT_PER_CPU_SYMBOL(irq_regs); #ifdef CONFIG_DEBUG_STACKOVERFLOW + +int sysctl_panic_on_stackoverflow __read_mostly; + /* Debugging check for stack overflow: is there less than 1KB free? */ static int check_stack_overflow(void) {
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