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[PATCH] minimal alpha pt_regs fixes

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-10-07 14:17:31 +01:00 committed by Linus Torvalds
parent 2850bc2737
commit 8774cb815f
5 changed files with 14 additions and 6 deletions
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5
arch/alpha/kernel/irq.c
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@ -129,6 +129,7 @@ unlock:
void
handle_irq(int irq, struct pt_regs * regs)
{
struct pt_regs *old_regs;
/*
* We ack quickly, we don't want the irq controller
* thinking we're snobs just because some other CPU has
@ -149,6 +150,7 @@ handle_irq(int irq, struct pt_regs * regs)
return;
}
old_regs = set_irq_regs(regs);
irq_enter();
/*
* __do_IRQ() must be called with IPL_MAX. Note that we do not
@ -157,6 +159,7 @@ handle_irq(int irq, struct pt_regs * regs)
* at IPL 0.
*/
local_irq_disable();
__do_IRQ(irq, regs);
__do_IRQ(irq);
irq_exit();
set_irq_regs(old_regs);
}

2
arch/alpha/kernel/proto.h
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@ -133,7 +133,7 @@ extern void smp_percpu_timer_interrupt(struct pt_regs *);
/* extern void reset_for_srm(void); */
/* time.c */
extern irqreturn_t timer_interrupt(int irq, void *dev, struct pt_regs * regs);
extern irqreturn_t timer_interrupt(int irq, void *dev);
extern void common_init_rtc(void);
extern unsigned long est_cycle_freq;

6
arch/alpha/kernel/smp.c
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@ -515,12 +515,15 @@ smp_cpus_done(unsigned int max_cpus)
void
smp_percpu_timer_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs;
int cpu = smp_processor_id();
unsigned long user = user_mode(regs);
struct cpuinfo_alpha *data = &cpu_data[cpu];
old_regs = set_irq_regs(regs);
/* Record kernel PC. */
profile_tick(CPU_PROFILING, regs);
profile_tick(CPU_PROFILING);
if (!--data->prof_counter) {
/* We need to make like a normal interrupt -- otherwise
@ -534,6 +537,7 @@ smp_percpu_timer_interrupt(struct pt_regs *regs)
irq_exit();
}
set_irq_regs(old_regs);
}
int __init

6
arch/alpha/kernel/time.c
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@ -104,7 +104,7 @@ unsigned long long sched_clock(void)
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
*/
irqreturn_t timer_interrupt(int irq, void *dev, struct pt_regs * regs)
irqreturn_t timer_interrupt(int irq, void *dev)
{
unsigned long delta;
__u32 now;
@ -112,7 +112,7 @@ irqreturn_t timer_interrupt(int irq, void *dev, struct pt_regs * regs)
#ifndef CONFIG_SMP
/* Not SMP, do kernel PC profiling here. */
profile_tick(CPU_PROFILING, regs);
profile_tick(CPU_PROFILING);
#endif
write_seqlock(&xtime_lock);
@ -132,7 +132,7 @@ irqreturn_t timer_interrupt(int irq, void *dev, struct pt_regs * regs)
while (nticks > 0) {
do_timer(1);
#ifndef CONFIG_SMP
update_process_times(user_mode(regs));
update_process_times(user_mode(get_irq_regs()));
#endif
nticks--;
}

1
include/asm-alpha/irq_regs.h Normal file
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@ -0,0 +1 @@
#include <asm-generic/irq_regs.h>