From: tip-bot for Ingo Molnar <mingo@elte.hu>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
rdunlap@xenotime.net, tglx@linutronix.de,
mitsuo.hayasaka.hu@hitachi.com, mingo@elte.hu
Subject: [tip:x86/debug] x86: Fix the 32-bit stackoverflow-debug build
Date: Mon, 5 Dec 2011 05:26:18 -0800 [thread overview]
Message-ID: <tip-53b5650273fea486ac8ac6c1d1e9a6cd17aa31ca@git.kernel.org> (raw)
In-Reply-To: <20111129060836.11076.12323.stgit@ltc219.sdl.hitachi.co.jp>
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)
{
next prev parent reply other threads:[~2011-12-05 13:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-29 6:08 [PATCH -v2 0/4] x86: check stack overflows more reliably Mitsuo Hayasaka
2011-11-29 6:08 ` [PATCH -v2 1/4] [BUGFIX] x86: add user_mode_vm check in stack_overflow_check Mitsuo Hayasaka
2011-12-05 13:17 ` [tip:x86/debug] x86: Add " tip-bot for Mitsuo Hayasaka
2011-11-29 6:08 ` [PATCH -v2 2/4] x86: check stack overflow in detail Mitsuo Hayasaka
2011-12-05 13:18 ` [tip:x86/debug] x86: Check " tip-bot for Mitsuo Hayasaka
2011-11-29 6:08 ` [PATCH -v2 3/4] x86: panic on detection of stack overflow Mitsuo Hayasaka
2011-12-05 13:19 ` [tip:x86/debug] x86: Panic " tip-bot for Mitsuo Hayasaka
2011-12-05 13:26 ` tip-bot for Ingo Molnar [this message]
2011-11-29 6:08 ` [PATCH -v2 4/4] x86: cleanup the range of stack overflow checking Mitsuo Hayasaka
2011-12-05 13:19 ` [tip:x86/debug] x86: Clean up " tip-bot for Mitsuo Hayasaka
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