diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/i8259_64.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/i8259_64.c b/arch/x86/kernel/i8259_64.c index fa57a156850..c4ae4769ce6 100644 --- a/arch/x86/kernel/i8259_64.c +++ b/arch/x86/kernel/i8259_64.c @@ -34,6 +34,20 @@ * interrupt-controller happy. */ +#define IRQ_NAME2(nr) nr##_interrupt(void) +#define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) + +/* + * SMP has a few special interrupts for IPI messages + */ + +#define BUILD_IRQ(nr) \ + asmlinkage void IRQ_NAME(nr); \ + asm("\n.p2align\n" \ + "IRQ" #nr "_interrupt:\n\t" \ + "push $~(" #nr ") ; " \ + "jmp common_interrupt"); + #define BI(x,y) \ BUILD_IRQ(x##y) |