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(parent: 2e01f47) | patch
cpu: Remove incorrect BUG_ON
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 19 Nov 2010 19:37:53 +0000 (20:37 +0100)
committerIngo Molnar <mingo@elte.hu>
Tue, 23 Nov 2010 09:29:08 +0000 (10:29 +0100)
commit51a96c77815e7f139892a6e9c8275a50e9baebdf
tree64388fce480b43d0588d108da9e4c526421486cftree | snapshot (tar.gz zip)
parent2e01f4740a874b6085da6ebf541e7ffde9a72bf2commit | diff
cpu: Remove incorrect BUG_ON

Oleg mentioned that there is no actual guarantee the dying cpu's
migration thread is actually finished running when we get there, so
replace the BUG_ON() with a spinloop waiting for it.

Reported-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/cpu.c diff | blob | blame | history