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-rw-r--r--arch/powerpc/kernel/irq.c6
-rw-r--r--arch/powerpc/kernel/misc_64.S6
-rw-r--r--arch/powerpc/kernel/smp.c6
-rw-r--r--arch/powerpc/kernel/time.c6
4 files changed, 15 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index c3f58f2f9f5..5deaab3090b 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -187,6 +187,7 @@ void fixup_irqs(cpumask_t map)
void do_IRQ(struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
unsigned int irq;
#ifdef CONFIG_IRQSTACKS
struct thread_info *curtp, *irqtp;
@@ -230,18 +231,19 @@ void do_IRQ(struct pt_regs *regs)
handler = &__do_IRQ;
irqtp->task = curtp->task;
irqtp->flags = 0;
- call_handle_irq(irq, desc, regs, irqtp, handler);
+ call_handle_irq(irq, desc, irqtp, handler);
irqtp->task = NULL;
if (irqtp->flags)
set_bits(irqtp->flags, &curtp->flags);
} else
#endif
- generic_handle_irq(irq, regs);
+ generic_handle_irq(irq);
} else if (irq != NO_IRQ_IGNORE)
/* That's not SMP safe ... but who cares ? */
ppc_spurious_interrupts++;
irq_exit();
+ set_irq_regs(old_regs);
#ifdef CONFIG_PPC_ISERIES
if (get_lppaca()->int_dword.fields.decr_int) {
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 41521b30c3c..c70e20708a1 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -52,12 +52,12 @@ _GLOBAL(call_do_softirq)
blr
_GLOBAL(call_handle_irq)
- ld r8,0(r7)
+ ld r8,0(r6)
mflr r0
std r0,16(r1)
mtctr r8
- stdu r1,THREAD_SIZE-112(r6)
- mr r1,r6
+ stdu r1,THREAD_SIZE-112(r5)
+ mr r1,r5
bctrl
ld r1,0(r1)
ld r0,16(r1)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 6a9bc9ce54e..35c6309bdb7 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -115,7 +115,7 @@ void __devinit smp_generic_kick_cpu(int nr)
}
#endif
-void smp_message_recv(int msg, struct pt_regs *regs)
+void smp_message_recv(int msg)
{
switch(msg) {
case PPC_MSG_CALL_FUNCTION:
@@ -127,11 +127,11 @@ void smp_message_recv(int msg, struct pt_regs *regs)
break;
case PPC_MSG_DEBUGGER_BREAK:
if (crash_ipi_function_ptr) {
- crash_ipi_function_ptr(regs);
+ crash_ipi_function_ptr(get_irq_regs());
break;
}
#ifdef CONFIG_DEBUGGER
- debugger_ipi(regs);
+ debugger_ipi(get_irq_regs());
break;
#endif /* CONFIG_DEBUGGER */
/* FALLTHROUGH */
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 85b9244a098..d210d0a5006 100644
--- 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)