[PATCH] sparc64 irq pt_regs fallout
authorAl Viro <viro@ftp.linux.org.uk>
Mon, 9 Oct 2006 10:51:14 +0000 (11:51 +0100)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 9 Oct 2006 21:19:07 +0000 (14:19 -0700)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/sparc64/kernel/irq.c
arch/sparc64/kernel/time.c

index ce05deb1bc92157361a7dbda5d32b7408c00cd70..d64b1ea848de0adc1ec1f5967cb86dcb725e47bd 100644 (file)
@@ -522,12 +522,13 @@ void ack_bad_irq(unsigned int virt_irq)
 }
 
 #ifndef CONFIG_SMP
-extern irqreturn_t timer_interrupt(int, void *, struct pt_regs *);
+extern irqreturn_t timer_interrupt(int, void *);
 
 void timer_irq(int irq, struct pt_regs *regs)
 {
        unsigned long clr_mask = 1 << irq;
        unsigned long tick_mask = tick_ops->softint_mask;
+       struct pt_regs *old_regs;
 
        if (get_softint() & tick_mask) {
                irq = 0;
@@ -535,12 +536,14 @@ void timer_irq(int irq, struct pt_regs *regs)
        }
        clear_softint(clr_mask);
 
+       old_regs = set_irq_regs(regs);
        irq_enter();
 
        kstat_this_cpu.irqs[0]++;
-       timer_interrupt(irq, NULL, regs);
+       timer_interrupt(irq, NULL);
 
        irq_exit();
+       set_irq_regs(old_regs);
 }
 #endif
 
index 00f6fc4aaaffc4182c0dec5af21f127d7e353493..061e1b1fa5838e24701f9b307527c2d9c7325ca4 100644 (file)
@@ -45,6 +45,7 @@
 #include <asm/cpudata.h>
 #include <asm/uaccess.h>
 #include <asm/prom.h>
+#include <asm/irq_regs.h>
 
 DEFINE_SPINLOCK(mostek_lock);
 DEFINE_SPINLOCK(rtc_lock);
@@ -452,7 +453,7 @@ static inline void timer_check_rtc(void)
        }
 }
 
-irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
        unsigned long ticks, compare, pstate;
 
@@ -460,8 +461,8 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
        do {
 #ifndef CONFIG_SMP
-               profile_tick(CPU_PROFILING, regs);
-               update_process_times(user_mode(regs));
+               profile_tick(CPU_PROFILING);
+               update_process_times(user_mode(get_irq_regs()));
 #endif
                do_timer(1);