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authorAl Viro <viro@ftp.linux.org.uk>2006-10-07 16:29:18 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-07 10:51:15 -0700
commit9c8e7f5cc965d30006c917ab19221e06fcc5a4f9 (patch)
tree2ee465eedaec181e1eb8f50acbc0f86c03325a32 /arch/m32r
parent8774cb815f2492a95b90a927f93a2de555753b32 (diff)
downloadlinux-linaro-stable-9c8e7f5cc965d30006c917ab19221e06fcc5a4f9.tar.gz
[PATCH] m32r pt_regs fixes
... and now with irq_regs.h not forgotten... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/m32r')
-rw-r--r--arch/m32r/kernel/irq.c5
-rw-r--r--arch/m32r/kernel/smp.c13
-rw-r--r--arch/m32r/kernel/time.c10
3 files changed, 17 insertions, 11 deletions
diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c
index 3841861df6a2..f8d8650383e0 100644
--- a/arch/m32r/kernel/irq.c
+++ b/arch/m32r/kernel/irq.c
@@ -77,13 +77,16 @@ skip:
*/
asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs)
{
+ struct pt_regs *old_regs;
+ old_regs = set_irq_regs(regs);
irq_enter();
#ifdef CONFIG_DEBUG_STACKOVERFLOW
/* FIXME M32R */
#endif
- __do_IRQ(irq, regs);
+ __do_IRQ(irq);
irq_exit();
+ set_irq_regs(old_regs);
return 1;
}
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
index 8b1f6eb76870..722e21f556dc 100644
--- a/arch/m32r/kernel/smp.c
+++ b/arch/m32r/kernel/smp.c
@@ -101,7 +101,7 @@ void smp_call_function_interrupt(void);
void smp_send_timer(void);
void smp_ipi_timer_interrupt(struct pt_regs *);
-void smp_local_timer_interrupt(struct pt_regs *);
+void smp_local_timer_interrupt(void);
void send_IPI_allbutself(int, int);
static void send_IPI_mask(cpumask_t, int, int);
@@ -734,9 +734,12 @@ void smp_send_timer(void)
*==========================================================================*/
void smp_ipi_timer_interrupt(struct pt_regs *regs)
{
+ struct pt_regs *old_regs;
+ old_regs = set_irq_regs(regs);
irq_enter();
- smp_local_timer_interrupt(regs);
+ smp_local_timer_interrupt();
irq_exit();
+ set_irq_regs(old_regs);
}
/*==========================================================================*
@@ -762,9 +765,9 @@ void smp_ipi_timer_interrupt(struct pt_regs *regs)
* ---------- --- --------------------------------------------------------
* 2003-06-24 hy use per_cpu structure.
*==========================================================================*/
-void smp_local_timer_interrupt(struct pt_regs *regs)
+void smp_local_timer_interrupt(void)
{
- int user = user_mode(regs);
+ int user = user_mode(get_irq_regs());
int cpu_id = smp_processor_id();
/*
@@ -774,7 +777,7 @@ void smp_local_timer_interrupt(struct pt_regs *regs)
* useful with a profiling multiplier != 1
*/
- profile_tick(CPU_PROFILING, regs);
+ profile_tick(CPU_PROFILING);
if (--per_cpu(prof_counter, cpu_id) <= 0) {
/*
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index d8af155db984..a09038282c78 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -35,7 +35,7 @@
#ifdef CONFIG_SMP
extern void send_IPI_allbutself(int, int);
-extern void smp_local_timer_interrupt(struct pt_regs *);
+extern void smp_local_timer_interrupt(void);
#endif
#define TICK_SIZE (tick_nsec / 1000)
@@ -188,15 +188,15 @@ static long last_rtc_update = 0;
* 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_id, struct pt_regs *regs)
+irqreturn_t timer_interrupt(int irq, void *dev_id)
{
#ifndef CONFIG_SMP
- profile_tick(CPU_PROFILING, regs);
+ profile_tick(CPU_PROFILING);
#endif
do_timer(1);
#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
/*
* If we have an externally synchronized Linux clock, then update
@@ -221,7 +221,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
a hack, so don't look closely for now.. */
#ifdef CONFIG_SMP
- smp_local_timer_interrupt(regs);
+ smp_local_timer_interrupt();
smp_send_timer();
#endif