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authorIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
commitd00ab2fdd4dc4361c97777bc1fef7234329d4659 (patch)
treeb8d8f98c1af633bbc1570b4270b39727737beebf /arch/parisc/kernel/irq.c
parentfutex: remove the pointer math from double_unlock_hb, fix (diff)
parentMerge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff)
downloadlinux-dev-d00ab2fdd4dc4361c97777bc1fef7234329d4659.tar.xz
linux-dev-d00ab2fdd4dc4361c97777bc1fef7234329d4659.zip
Merge branch 'linus' into core/futexes
Diffstat (limited to 'arch/parisc/kernel/irq.c')
-rw-r--r--arch/parisc/kernel/irq.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index ac2c822928c7..1c740f5cbd63 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -112,7 +112,7 @@ void cpu_end_irq(unsigned int irq)
}
#ifdef CONFIG_SMP
-int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
+int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
{
int cpu_dest;
@@ -120,23 +120,25 @@ int cpu_check_affinity(unsigned int irq, cpumask_t *dest)
if (CHECK_IRQ_PER_CPU(irq)) {
/* Bad linux design decision. The mask has already
* been set; we must reset it */
- irq_desc[irq].affinity = CPU_MASK_ALL;
+ cpumask_setall(&irq_desc[irq].affinity);
return -EINVAL;
}
/* whatever mask they set, we just allow one CPU */
cpu_dest = first_cpu(*dest);
- *dest = cpumask_of_cpu(cpu_dest);
- return 0;
+ return cpu_dest;
}
static void cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
{
- if (cpu_check_affinity(irq, dest))
+ int cpu_dest;
+
+ cpu_dest = cpu_check_affinity(irq, dest);
+ if (cpu_dest < 0)
return;
- irq_desc[irq].affinity = *dest;
+ cpumask_copy(&irq_desc[irq].affinity, dest);
}
#endif
@@ -183,7 +185,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%3d: ", i);
#ifdef CONFIG_SMP
for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+ seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#else
seq_printf(p, "%10u ", kstat_irqs(i));
#endif
@@ -295,7 +297,7 @@ int txn_alloc_irq(unsigned int bits_wide)
unsigned long txn_affinity_addr(unsigned int irq, int cpu)
{
#ifdef CONFIG_SMP
- irq_desc[irq].affinity = cpumask_of_cpu(cpu);
+ cpumask_copy(&irq_desc[irq].affinity, cpumask_of(cpu));
#endif
return per_cpu(cpu_data, cpu).txn_addr;
@@ -352,7 +354,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
irq = eirr_to_irq(eirr_val);
#ifdef CONFIG_SMP
- dest = irq_desc[irq].affinity;
+ cpumask_copy(&dest, &irq_desc[irq].affinity);
if (CHECK_IRQ_PER_CPU(irq_desc[irq].status) &&
!cpu_isset(smp_processor_id(), dest)) {
int cpu = first_cpu(dest);