[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>
diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c
index 729c475..dba4e70 100644
--- a/arch/alpha/kernel/irq.c
+++ b/arch/alpha/kernel/irq.c
@@ -129,6 +129,7 @@
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 @@
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 @@
* 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 21f7128..408bda2 100644
--- a/arch/alpha/kernel/proto.h
+++ b/arch/alpha/kernel/proto.h
@@ -133,7 +133,7 @@
/* 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 4dc273e..596780e 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -515,12 +515,15 @@
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 @@
irq_exit();
}
+ set_irq_regs(old_regs);
}
int __init
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 581ddcc..cf06665 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -104,7 +104,7 @@
* 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 @@
#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 @@
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--;
}
diff --git a/include/asm-alpha/irq_regs.h b/include/asm-alpha/irq_regs.h
new file mode 100644
index 0000000..3dd9c0b
--- /dev/null
+++ b/include/asm-alpha/irq_regs.h
@@ -0,0 +1 @@
+#include <asm-generic/irq_regs.h>
