From: Al Viro <viro@ftp.linux.org.uk>
Date: Mon, 9 Oct 2006 10:51:14 +0000 (+0100)
Subject: [PATCH] sparc64 irq pt_regs fallout
X-Git-Tag: v2.6.19-rc2~240
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63540ba3691600759c6732f800dcf0fe8075960b;p=linux-2.6

[PATCH] sparc64 irq pt_regs fallout

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

diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index ce05deb1bc..d64b1ea848 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -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
 
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 00f6fc4aaa..061e1b1fa5 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -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);