diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-07 09:48:59 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-07 09:48:59 +1000 |
| commit | fff34b3412b9401a76ba9d021db1bd91cb0e02b6 (patch) | |
| tree | 870ed2d1555004e7939d15b5099017aae61c97b8 /arch/x86/kernel/apic/io_apic.c | |
| parent | 28e1e58fb668e262648fb8ee8a24154633f40507 (diff) | |
| parent | 636802ef96eebe279b22ad9f9dacfe29291e45c7 (diff) | |
Merge branch 'merge' into next
Brings in various bug fixes from 3.6-rcX
Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 14 |
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 406eee784684..c265593ec2cd 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; |