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[PATCH] cpu hotplug/x86_64: disable interrupt in play_dead
authorShaohua Li <shaohua.li@intel.com>
Fri, 6 Jan 2006 08:12:20 +0000 (00:12 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 6 Jan 2006 16:33:39 +0000 (08:33 -0800)
commit1fa744e6e91a895750b9980d13fcfc5791a0cd91
tree2ba30e6d4f263cdb5e5ec9a85fc1fecec9100036tree | snapshot (tar.gz zip)
parent766c3f94d4492ee4ec60b65693e71ee4b1d6fd68commit | diff
[PATCH] cpu hotplug/x86_64: disable interrupt in play_dead

With physical CPU hotplug, the CPU is hot removed and it should not receive
any interrupts.  Disabling interrupt is much safer.  This basically is what we
do in ia64 & x86.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/x86_64/kernel/process.c diff | blob | blame | history
include/asm-x86_64/system.h diff | blob | blame | history