[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>

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