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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/apic/io_apic.c | |
| parent | 7c83912062c801738d7d19acaf8f7fec25ea663c (diff) | |
| download | linux-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.gz linux-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.bz2 linux-0a3aee0da4402aa19b66e458038533c896fb80c6.zip | |
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/apic/io_apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 7cc0a721f628..8d50922687af 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2302,7 +2302,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) unsigned int irr; struct irq_desc *desc; struct irq_cfg *cfg; - irq = __get_cpu_var(vector_irq)[vector]; + irq = __this_cpu_read(vector_irq[vector]); if (irq == -1) continue; @@ -2336,7 +2336,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) apic->send_IPI_self(IRQ_MOVE_CLEANUP_VECTOR); goto unlock; } - __get_cpu_var(vector_irq)[vector] = -1; + __this_cpu_write(vector_irq[vector], -1); unlock: raw_spin_unlock(&desc->lock); } |