diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-14 14:58:01 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-14 14:58:01 +0200 |
commit | 51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch) | |
tree | a681dca369607ab0f371d5246b0f75140b860a8a /arch/x86/kernel/io_apic_64.c | |
parent | b55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff) | |
parent | b635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff) |
Merge branch 'linus' into x86/core
Conflicts:
arch/x86/kernel/genapic_64.c
include/asm-x86/kvm_host.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/io_apic_64.c')
-rw-r--r-- | arch/x86/kernel/io_apic_64.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index b9950dae59b..e63282e7886 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -103,7 +103,7 @@ int timer_through_8259 __initdata; static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; static DEFINE_SPINLOCK(ioapic_lock); -DEFINE_SPINLOCK(vector_lock); +static DEFINE_SPINLOCK(vector_lock); /* * # of IRQ routing registers @@ -770,6 +770,19 @@ static int pin_2_irq(int idx, int apic, int pin) return irq; } +void lock_vector_lock(void) +{ + /* Used to the online set of cpus does not change + * during assign_irq_vector. + */ + spin_lock(&vector_lock); +} + +void unlock_vector_lock(void) +{ + spin_unlock(&vector_lock); +} + static int __assign_irq_vector(int irq, cpumask_t mask) { /* @@ -875,7 +888,7 @@ static void __clear_irq_vector(int irq) cpus_clear(cfg->domain); } -static void __setup_vector_irq(int cpu) +void __setup_vector_irq(int cpu) { /* Initialize vector_irq on a new cpu */ /* This function must be called with vector_lock held */ @@ -898,14 +911,6 @@ static void __setup_vector_irq(int cpu) } } -void setup_vector_irq(int cpu) -{ - spin_lock(&vector_lock); - __setup_vector_irq(smp_processor_id()); - spin_unlock(&vector_lock); -} - - static struct irq_chip ioapic_chip; #ifdef CONFIG_INTR_REMAP static struct irq_chip ir_ioapic_chip; |