[PATCH] sparc32 pt_regs fixes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 3ff4edd32815..c80ea61e8ba0 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -23,6 +23,7 @@
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
+#include <asm/irq_regs.h>
 
 #include <asm/delay.h>
 #include <asm/irq.h>
@@ -369,10 +370,12 @@ void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
 
 void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
 {
+        struct pt_regs *old_regs;
         int cpu = hard_smp4d_processor_id();
         static int cpu_tick[NR_CPUS];
         static char led_mask[] = { 0xe, 0xd, 0xb, 0x7, 0xb, 0xd };
 
+        old_regs = set_irq_regs(regs);
         bw_get_prof_limit(cpu); 
         bw_clear_intr_mask(0, 1);       /* INTR_TABLE[0] & 1 is Profile IRQ */
 
@@ -384,7 +387,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
                 show_leds(cpu);
         }
 
-        profile_tick(CPU_PROFILING, regs);
+        profile_tick(CPU_PROFILING);
 
         if(!--prof_counter(cpu)) {
                 int user = user_mode(regs);
@@ -395,6 +398,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
 
                 prof_counter(cpu) = prof_multiplier(cpu);
         }
+        set_irq_regs(old_regs);
 }
 
 extern unsigned int lvl14_resolution;