summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/irq_32.c
diff options
context:
space:
mode:
authorTejun Heo <tj@kernel.org>2010-12-18 16:28:55 +0100
committerTejun Heo <tj@kernel.org>2010-12-30 12:20:28 +0100
commit0a3aee0da4402aa19b66e458038533c896fb80c6 (patch)
treeb2c29c0b18218b76cc0e7ed9866a2c12d1e22e3a /arch/x86/kernel/irq_32.c
parent7c83912062c801738d7d19acaf8f7fec25ea663c (diff)
downloadop-kernel-dev-0a3aee0da4402aa19b66e458038533c896fb80c6.zip
op-kernel-dev-0a3aee0da4402aa19b66e458038533c896fb80c6.tar.gz
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/irq_32.c')
-rw-r--r--arch/x86/kernel/irq_32.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 96656f2..48ff6dc 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -79,7 +79,7 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq)
u32 *isp, arg1, arg2;
curctx = (union irq_ctx *) current_thread_info();
- irqctx = __get_cpu_var(hardirq_ctx);
+ irqctx = __this_cpu_read(hardirq_ctx);
/*
* this is where we switch to the IRQ stack. However, if we are
@@ -166,7 +166,7 @@ asmlinkage void do_softirq(void)
if (local_softirq_pending()) {
curctx = current_thread_info();
- irqctx = __get_cpu_var(softirq_ctx);
+ irqctx = __this_cpu_read(softirq_ctx);
irqctx->tinfo.task = curctx->task;
irqctx->tinfo.previous_esp = current_stack_pointer;
OpenPOWER on IntegriCloud