From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- include/asm-x86_64/hardirq.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 include/asm-x86_64/hardirq.h (limited to 'include/asm-x86_64/hardirq.h') diff --git a/include/asm-x86_64/hardirq.h b/include/asm-x86_64/hardirq.h new file mode 100644 index 00000000000..27c381fa1c9 --- /dev/null +++ b/include/asm-x86_64/hardirq.h @@ -0,0 +1,37 @@ +#ifndef __ASM_HARDIRQ_H +#define __ASM_HARDIRQ_H + +#include +#include +#include +#include +#include + +#define __ARCH_IRQ_STAT 1 + +/* Generate a lvalue for a pda member. Should fix softirq.c instead to use + special access macros. This would generate better code. */ +#define __IRQ_STAT(cpu,member) (read_pda(me)->member) + +#include /* Standard mappings for irq_cpustat_t above */ + +/* + * 'what should we do if we get a hw irq event on an illegal vector'. + * each architecture has to answer this themselves. + */ +static inline void ack_bad_irq(unsigned int irq) +{ + printk("unexpected IRQ trap at vector %02x\n", irq); +#ifdef CONFIG_X86_LOCAL_APIC + /* + * Currently unexpected vectors happen only on SMP and APIC. + * We _must_ ack these because every local APIC has only N + * irq slots per priority level, and a 'hanging, unacked' IRQ + * holds up an irq slot - in excessive cases (when multiple + * unexpected vectors occur) that might lock up the APIC + * completely. + */ + ack_APIC_irq(); +#endif +} +#endif /* __ASM_HARDIRQ_H */ -- cgit v1.2.3