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authorOlof Johansson <olof@lixom.net>2012-09-05 15:33:19 -0700
committerOlof Johansson <olof@lixom.net>2012-09-05 15:33:19 -0700
commit301fd5c13257862df66c81c48d963d474e63e0ef (patch)
tree128af89336dd8b1ee62696c4588057b2eb0b445e /arch/x86/kernel/apic/io_apic.c
parentdaa56a06b5a592ceb69130a1d15c067a078f2701 (diff)
parent7952717adb69efc1d2443a1858f96d23c2fb93e0 (diff)
Merge branch 'kzm9g' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
* 'kzm9g' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: kzm9g: enable restarting + sync to 3.6-rc3
Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 406eee78468..c265593ec2c 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1204,7 +1204,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
BUG_ON(!cfg->vector);
vector = cfg->vector;
- for_each_cpu(cpu, cfg->domain)
+ for_each_cpu_and(cpu, cfg->domain, cpu_online_mask)
per_cpu(vector_irq, cpu)[vector] = -1;
cfg->vector = 0;
@@ -1212,7 +1212,7 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
if (likely(!cfg->move_in_progress))
return;
- for_each_cpu(cpu, cfg->old_domain) {
+ for_each_cpu_and(cpu, cfg->old_domain, cpu_online_mask) {
for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS;
vector++) {
if (per_cpu(vector_irq, cpu)[vector] != irq)
@@ -1356,6 +1356,16 @@ static void setup_ioapic_irq(unsigned int irq, struct irq_cfg *cfg,
if (!IO_APIC_IRQ(irq))
return;
+ /*
+ * For legacy irqs, cfg->domain starts with cpu 0. Now that IO-APIC
+ * can handle this irq and the apic driver is finialized at this point,
+ * update the cfg->domain.
+ */
+ if (irq < legacy_pic->nr_legacy_irqs &&
+ cpumask_equal(cfg->domain, cpumask_of(0)))
+ apic->vector_allocation_domain(0, cfg->domain,
+ apic->target_cpus());
+
if (assign_irq_vector(irq, cfg, apic->target_cpus()))
return;