powerpc: Improve (in|out)_[bl]eXX() asm code

[sfrench/cifs-2.6.git] / arch / ppc / kernel / time.c

diff --git a/arch/ppc/kernel/time.c b/arch/ppc/kernel/time.c
index 187388625a768ed45a15d3bb68c0c93dc491e8af..18ee851e33e387675ae6d9e7ab5fb18091732247 100644 (file)
--- a/arch/ppc/kernel/time.c
+++ b/arch/ppc/kernel/time.c
@@ -62,6 +62,7 @@
 #include <asm/cache.h>
 #include <asm/8xx_immap.h>
 #include <asm/machdep.h>
+#include <asm/irq_regs.h>
 
 #include <asm/time.h>
 
@@ -129,6 +130,7 @@ void wakeup_decrementer(void)
  */
 void timer_interrupt(struct pt_regs * regs)
 {
+       struct pt_regs *old_regs;
        int next_dec;
        unsigned long cpu = smp_processor_id();
        unsigned jiffy_stamp = last_jiffy_stamp(cpu);
@@ -137,12 +139,13 @@ void timer_interrupt(struct pt_regs * regs)
        if (atomic_read(&ppc_n_lost_interrupts) != 0)
                do_IRQ(regs);
 
+       old_regs = set_irq_regs(regs);
        irq_enter();
 
        while ((next_dec = tb_ticks_per_jiffy - tb_delta(&jiffy_stamp)) <= 0) {
                jiffy_stamp += tb_ticks_per_jiffy;
                
-               profile_tick(CPU_PROFILING, regs);
+               profile_tick(CPU_PROFILING);
                update_process_times(user_mode(regs));
 
                if (smp_processor_id())
@@ -188,6 +191,7 @@ void timer_interrupt(struct pt_regs * regs)
                ppc_md.heartbeat();
 
        irq_exit();
+       set_irq_regs(old_regs);
 }
 
 /*