From 53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 5 Dec 2011 12:25:44 +0100
Subject: 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 file changed, 3 insertions(+)
(limited to 'arch/x86/kernel/irq_32.c')
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index e16e99ebd7a..40fc86161d9 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)
{
--
cgit v1.2.3-18-g5258