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SubjectRe: [GIT]: Sparc
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From: Alexander Beregalov <a.beregalov@gmail.com>
Date: Tue, 26 Jan 2010 12:23:06 +0300

> Hi David
>
>> 7) IRQ ->set_affinity() using wrong cpu mask, thanks to Ben H. for
>>   noticing.
>>      sparc64: Fix IRQ ->set_affinity() methods.
>
> This commit breaks UP build

Sorry, I'll fix this, thanks for the report.

sparc64: Fix UP build.

Can't reference irq_desc[].affinity when !SMP.

Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index f2179cc..e1cbdb9 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -268,10 +268,8 @@ static int irq_choose_cpu(unsigned int virt_irq, const struct cpumask *affinity)
return cpuid;
}
#else
-static int irq_choose_cpu(unsigned int virt_irq, const struct cpumask *affinity)
-{
- return real_hard_smp_processor_id();
-}
+#define irq_choose_cpu(virt_irq, affinity) \
+ real_hard_smp_processor_id()
#endif

static void sun4u_irq_enable(unsigned int virt_irq)
--
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