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authorIngo Molnar <mingo@elte.hu>2011-12-05 12:25:44 +0100
committerIngo Molnar <mingo@elte.hu>2011-12-05 12:25:44 +0100
commit53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca (patch)
treec87da24b4debac40fdcceb851b992fc2d803aea3 /arch
parentbda62633983f9db49ce0b1a9235b3709c1cda5f0 (diff)
downloadop-kernel-dev-53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca.zip
op-kernel-dev-53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca.tar.gz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/irq_32.c3
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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