IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[powerpc.git] / arch / powerpc / kernel / time.c

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 85b9244..d210d0a 100644 (file)
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -51,6 +51,7 @@
 #include <linux/rtc.h>
 #include <linux/jiffies.h>
 #include <linux/posix-timers.h>
+#include <linux/irq.h>
 
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -643,6 +644,7 @@ static void iSeries_tb_recal(void)
  */
 void timer_interrupt(struct pt_regs * regs)
 {
+       struct pt_regs *old_regs;
        int next_dec;
        int cpu = smp_processor_id();
        unsigned long ticks;
@@ -653,9 +655,10 @@ void timer_interrupt(struct pt_regs * regs)
                do_IRQ(regs);
 #endif
 
+       old_regs = set_irq_regs(regs);
        irq_enter();
 
-       profile_tick(CPU_PROFILING, regs);
+       profile_tick(CPU_PROFILING);
        calculate_steal_time();
 
 #ifdef CONFIG_PPC_ISERIES
@@ -715,6 +718,7 @@ void timer_interrupt(struct pt_regs * regs)
 #endif
 
        irq_exit();
+       set_irq_regs(old_regs);
 }
 
 void wakeup_decrementer(void)