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authorIngo Molnar <[email protected]>2011-12-05 12:25:44 +0100
committerIngo Molnar <[email protected]>2011-12-05 12:25:44 +0100
commit53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca (patch)
treec87da24b4debac40fdcceb851b992fc2d803aea3
parentbda62633983f9db49ce0b1a9235b3709c1cda5f0 (diff)
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 <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
-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 e16e99ebd7ad..40fc86161d92 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)
{