From: "Jan Beulich" <jbeulich@novell.com>
To: <linux-kernel@vger.kernel.org>
Subject: [PATCH] conditionalize call from panic() to smp_send_stop()
Date: Wed, 14 Jan 2009 12:25:33 +0000 [thread overview]
Message-ID: <496DE7CD.76E4.0078.0@novell.com> (raw)
... avoiding nested warnings and/or oopses as much as possible (namely
durin early boot).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
---
kernel/panic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux-2.6.29-rc1/kernel/panic.c 2009-01-14 11:36:29.000000000 +0100
+++ 2.6.29-rc1-panic-conditional-stop/kernel/panic.c 2009-01-06 17:02:49.000000000 +0100
@@ -89,7 +89,8 @@ NORET_TYPE void panic(const char * fmt,
* unfortunately means it may not be hardened to work in a panic
* situation.
*/
- smp_send_stop();
+ if (num_online_cpus() > 1)
+ smp_send_stop();
#endif
atomic_notifier_call_chain(&panic_notifier_list, 0, buf);
next reply other threads:[~2009-01-14 12:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 12:25 Jan Beulich [this message]
2009-01-15 3:34 ` Andi Kleen
2009-01-15 9:16 ` Jan Beulich
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