From: Kirill Korotaev <dev@openvz.org>
Date: Sun, 10 Dec 2006 10:20:11 +0000 (-0800)
Subject: [PATCH] move_task_off_dead_cpu() should be called with disabled ints
X-Git-Tag: v2.6.20-rc1~145^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=054b9108e01ef27e2e6b32b4226abb6024626f06;p=pandora-kernel.git

[PATCH] move_task_off_dead_cpu() should be called with disabled ints

move_task_off_dead_cpu() requires interrupts to be disabled, while
migrate_dead() calls it with enabled interrupts.  Added appropriate
comments to functions and added BUG_ON(!irqs_disabled()) into
double_rq_lock() and double_lock_balance() which are the origin sources of
such bugs.

Signed-off-by: Kirill Korotaev <dev@openvz.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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