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

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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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Kirill Korotaev 2006-12-10 02:20:11 -08:00 • committed by Linus Torvalds

parent 6711cab43e

commit 054b9108e0

1 changed files with 14 additions and 3 deletions

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17

kernel/sched.c

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