diff options
| author | Mike Travis <travis@sgi.com> | 2008-07-15 14:14:31 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:02:57 +0200 |
| commit | cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9 (patch) | |
| tree | ecd9f28f0595ebd466f30ede91661bac9726aac5 /arch/x86/kernel | |
| parent | 65c011845316d3c1381f478ca0d8265c43b3b039 (diff) | |
| download | blackbird-op-linux-cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9.tar.gz blackbird-op-linux-cb6d2be60dc3ec9ac788f45d8e24b82a9faacdd9.zip | |
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/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 4 |
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 bf27114773d5..a85db790754b 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; |
