From 7bea96fd22a8fd19f90817405b4abe032317a0e3 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 8 Oct 2006 22:49:34 +0100 Subject: [PATCH] uml pt_regs fixes Real fix for UML pt_regs stuff. Note set_irq_regs() logics in there... Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- arch/um/kernel/irq.c | 15 ++++++++------- arch/um/kernel/sigio.c | 2 +- arch/um/kernel/time.c | 2 +- 3 files changed, 10 insertions(+), 9 deletions(-) (limited to 'arch/um/kernel') diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 7c41dabe7a2c..3c01c2bc979a 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -355,14 +355,16 @@ void forward_interrupts(int pid) */ unsigned int do_IRQ(int irq, union uml_pt_regs *regs) { - irq_enter(); - __do_IRQ(irq); - irq_exit(); - return 1; + struct pt_regs *old_regs = set_irq_regs((struct pt_regs *)regs); + irq_enter(); + __do_IRQ(irq); + irq_exit(); + set_irq_regs(old_regs); + return 1; } int um_request_irq(unsigned int irq, int fd, int type, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irqreturn_t (*handler)(int, void *), unsigned long irqflags, const char * devname, void *dev_id) { @@ -423,8 +425,7 @@ void __init init_IRQ(void) } } -int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *, - struct pt_regs *)) +int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *)) { int fds[2], err; diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c index 0ad755ceb212..2b0ab438301c 100644 --- a/arch/um/kernel/sigio.c +++ b/arch/um/kernel/sigio.c @@ -17,7 +17,7 @@ /* Protected by sigio_lock() called from write_sigio_workaround */ static int sigio_irq_fd = -1; -static irqreturn_t sigio_interrupt(int irq, void *data, struct pt_regs *unused) +static irqreturn_t sigio_interrupt(int irq, void *data) { char c; diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index a92965f8f9cd..2e354b3ca060 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -86,7 +86,7 @@ static inline unsigned long long get_time(void) return nsecs; } -irqreturn_t um_timer(int irq, void *dev, struct pt_regs *regs) +irqreturn_t um_timer(int irq, void *dev) { unsigned long long nsecs; unsigned long flags; -- cgit v1.2.3