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authorMike Travis <travis@sgi.com>2008-07-15 14:14:31 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-18 22:02:57 +0200
commitcb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9 (patch)
treeecd9f28f0595ebd466f30ede91661bac9726aac5 /arch
parent65c011845316d3c1381f478ca0d8265c43b3b039 (diff)
downloadop-kernel-dev-cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9.zip
op-kernel-dev-cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9.tar.gz
cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/io_apic_64.c
* Optimize various places where a pointer to the cpumask_of_cpu value will result in reducing stack pressure. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/io_apic_64.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index bf27114..a85db79 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1372,12 +1372,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
static int ioapic_retrigger_irq(unsigned int irq)
{
struct irq_cfg *cfg = &irq_cfg[irq];
- cpumask_t mask;
unsigned long flags;
spin_lock_irqsave(&vector_lock, flags);
- mask = cpumask_of_cpu(first_cpu(cfg->domain));
- send_IPI_mask(mask, cfg->vector);
+ send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector);
spin_unlock_irqrestore(&vector_lock, flags);
return 1;
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