[PATCH] s390: fix preempt_count of idle thread with cpu hotplug
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Fri, 17 Feb 2006 21:52:46 +0000 (13:52 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 17 Feb 2006 21:59:26 +0000 (13:59 -0800)
commit1fca251f36fac3fae7d9cf10de69c2c93f6c0000
tree0fd4e7816dc310a48e95901ae411e5442805e224
parent6d751c43b29deb1d990fb9644c13ca941c9d1305
[PATCH] s390: fix preempt_count of idle thread with cpu hotplug

Set preempt_count of idle_thread to zero before switching off cpu.  Otherwise
the preempt_count will be wrong if the cpu is switched on again since the
thread will be reused.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/s390/kernel/process.c