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Diffstat (limited to 'arch/x86_64/kernel/io_apic.c')
-rw-r--r--arch/x86_64/kernel/io_apic.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 49e94f7994c..b000017e4b5 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -57,7 +57,7 @@ static int no_timer_check;
static int disable_timer_pin_1 __initdata;
-int timer_over_8254 __initdata = 0;
+int timer_over_8254 __initdata = 1;
/* Where if anywhere is the i8259 connect in external int mode */
static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
@@ -651,12 +651,12 @@ next:
if (vector == IA32_SYSCALL_VECTOR)
goto next;
for_each_cpu_mask(new_cpu, domain)
- if (per_cpu(vector_irq, cpu)[vector] != -1)
+ if (per_cpu(vector_irq, new_cpu)[vector] != -1)
goto next;
/* Found one! */
for_each_cpu_mask(new_cpu, domain) {
- pos[cpu].vector = vector;
- pos[cpu].offset = offset;
+ pos[new_cpu].vector = vector;
+ pos[new_cpu].offset = offset;
}
if (old_vector >= 0) {
int old_cpu;
@@ -1255,12 +1255,15 @@ static int ioapic_retrigger_irq(unsigned int irq)
{
cpumask_t mask;
unsigned vector;
+ unsigned long flags;
+ spin_lock_irqsave(&vector_lock, flags);
vector = irq_vector[irq];
cpus_clear(mask);
- cpu_set(vector >> 8, mask);
+ cpu_set(first_cpu(irq_domain[irq]), mask);
- send_IPI_mask(mask, vector & 0xff);
+ send_IPI_mask(mask, vector);
+ spin_unlock_irqrestore(&vector_lock, flags);
return 1;
}