[PATCH] sparc32 pt_regs fixes
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 72f0201..ae4dfc8 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -46,6 +46,7 @@
#include <asm/pgtable.h>
#include <asm/pcic.h>
#include <asm/cacheflush.h>
+#include <asm/irq_regs.h>
#ifdef CONFIG_SMP
#define SMP_NOP2 "nop; nop;\n\t"
@@ -133,8 +134,8 @@
prom_halt();
}
-void (*sparc_init_timers)(irqreturn_t (*)(int, void *,struct pt_regs *)) =
- (void (*)(irqreturn_t (*)(int, void *,struct pt_regs *))) irq_panic;
+void (*sparc_init_timers)(irqreturn_t (*)(int, void *)) =
+ (void (*)(irqreturn_t (*)(int, void *))) irq_panic;
/*
* Dave Redman (djhr@tadpole.co.uk)
@@ -319,12 +320,14 @@
void handler_irq(int irq, struct pt_regs * regs)
{
+ struct pt_regs *old_regs;
struct irqaction * action;
int cpu = smp_processor_id();
#ifdef CONFIG_SMP
extern void smp4m_irq_rotate(int cpu);
#endif
+ old_regs = set_irq_regs(regs);
irq_enter();
disable_pil_irq(irq);
#ifdef CONFIG_SMP
@@ -338,27 +341,31 @@
do {
if (!action || !action->handler)
unexpected_irq(irq, NULL, regs);
- action->handler(irq, action->dev_id, regs);
+ action->handler(irq, action->dev_id);
action = action->next;
} while (action);
sparc_irq[irq].flags &= ~SPARC_IRQ_INPROGRESS;
enable_pil_irq(irq);
irq_exit();
+ set_irq_regs(old_regs);
}
#ifdef CONFIG_BLK_DEV_FD
-extern void floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+extern void floppy_interrupt(int irq, void *dev_id)
void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
{
+ struct pt_regs *old_regs;
int cpu = smp_processor_id();
+ old_regs = set_irq_regs(regs);
disable_pil_irq(irq);
irq_enter();
kstat_cpu(cpu).irqs[irq]++;
- floppy_interrupt(irq, dev_id, regs);
+ floppy_interrupt(irq, dev_id);
irq_exit();
enable_pil_irq(irq);
+ set_irq_regs(old_regs);
// XXX Eek, it's totally changed with preempt_count() and such
// if (softirq_pending(cpu))
// do_softirq();
@@ -369,7 +376,7 @@
* thus no sharing possible.
*/
int request_fast_irq(unsigned int irq,
- irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ irqreturn_t (*handler)(int, void *),
unsigned long irqflags, const char *devname)
{
struct irqaction *action;
@@ -468,7 +475,7 @@
}
int request_irq(unsigned int irq,
- irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ irqreturn_t (*handler)(int, void *),
unsigned long irqflags, const char * devname, void *dev_id)
{
struct irqaction * action, **actionp;
@@ -478,7 +485,7 @@
if (sparc_cpu_model == sun4d) {
extern int sun4d_request_irq(unsigned int,
- irqreturn_t (*)(int, void *, struct pt_regs *),
+ irqreturn_t (*)(int, void *),
unsigned long, const char *, void *);
return sun4d_request_irq(irq, handler, irqflags, devname, dev_id);
}