diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2006-10-07 14:17:31 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-07 10:51:14 -0700 |
| commit | 8774cb815f2492a95b90a927f93a2de555753b32 (patch) | |
| tree | 40725c7a7b0618811b2f09753a4e4cd88c1db3e2 /arch/alpha | |
| parent | 2850bc273776cbb1b510c5828e9e456dffb50a32 (diff) | |
[PATCH] minimal alpha pt_regs fixes
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>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/irq.c | 5 | ||||
| -rw-r--r-- | arch/alpha/kernel/proto.h | 2 | ||||
| -rw-r--r-- | arch/alpha/kernel/smp.c | 6 | ||||
| -rw-r--r-- | arch/alpha/kernel/time.c | 6 |
4 files changed, 13 insertions, 6 deletions
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 729c475d226..dba4e70926f 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -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); } diff --git a/arch/alpha/kernel/proto.h b/arch/alpha/kernel/proto.h index 21f71287b6f..408bda25b0b 100644 --- a/arch/alpha/kernel/proto.h +++ b/arch/alpha/kernel/proto.h @@ -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; diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 4dc273e537f..596780e2c7d 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -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 diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index 581ddcc22fc..cf066652398 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -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--; } |