![Andi Kleen](/assets/img/avatar_default.png)
- Remove unused irqrsp field - Remove pda->me - Optimize set_softirq_pending slightly Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
39 lines
1 KiB
C
39 lines
1 KiB
C
#ifndef __ASM_HARDIRQ_H
|
|
#define __ASM_HARDIRQ_H
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/threads.h>
|
|
#include <linux/irq.h>
|
|
#include <asm/pda.h>
|
|
#include <asm/apic.h>
|
|
|
|
#define __ARCH_IRQ_STAT 1
|
|
|
|
#define local_softirq_pending() read_pda(__softirq_pending)
|
|
|
|
#define __ARCH_SET_SOFTIRQ_PENDING 1
|
|
|
|
#define set_softirq_pending(x) write_pda(__softirq_pending, (x))
|
|
#define or_softirq_pending(x) or_pda(__softirq_pending, (x))
|
|
|
|
/*
|
|
* '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 */
|