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| author | Tejun Heo <tj@kernel.org> | 2010-12-18 16:28:55 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-12-30 12:20:28 +0100 |
| commit | 0a3aee0da4402aa19b66e458038533c896fb80c6 (patch) | |
| tree | b2c29c0b18218b76cc0e7ed9866a2c12d1e22e3a /arch/x86/kernel/smpboot.c | |
| parent | 7c83912062c801738d7d19acaf8f7fec25ea663c (diff) | |
| download | kernel_goldelico_gta04-0a3aee0da4402aa19b66e458038533c896fb80c6.zip kernel_goldelico_gta04-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.gz kernel_goldelico_gta04-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.bz2 | |
x86: Use this_cpu_ops to optimize code
Go through x86 code and replace __get_cpu_var and get_cpu_var
instances that refer to a scalar and are not used for address
determinations.
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 083e99d..ff4e5a1 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1377,7 +1377,7 @@ void play_dead_common(void) mb(); /* Ack it */ - __get_cpu_var(cpu_state) = CPU_DEAD; + __this_cpu_write(cpu_state, CPU_DEAD); /* * With physical CPU hotplug, we should halt the cpu |