summaryrefslogtreecommitdiff
path: root/arch/arm/kernel/signal.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-07-19 17:47:55 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-07-28 11:11:52 +0100
commit0a267fa6a15d41c4061358bf2e67c633fdbffc90 (patch)
treee54ebbdd2c38824d154e7c0574fd563ef8072f9e /arch/arm/kernel/signal.c
parent8d4150ccbb63419649a69fe04b46120a46d60da2 (diff)
ARM: 7472/1: pull all work_pending logics into C function
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r--arch/arm/kernel/signal.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index fd2392a17ac1..8756e5dcd377 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -640,13 +640,24 @@ static void do_signal(struct pt_regs *regs, int syscall)
}
asmlinkage void
-do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall)
+do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
{
- if (thread_flags & _TIF_SIGPENDING)
- do_signal(regs, syscall);
-
- if (thread_flags & _TIF_NOTIFY_RESUME) {
- clear_thread_flag(TIF_NOTIFY_RESUME);
- tracehook_notify_resume(regs);
- }
+ do {
+ if (likely(thread_flags & _TIF_NEED_RESCHED)) {
+ schedule();
+ } else {
+ if (unlikely(!user_mode(regs)))
+ return;
+ local_irq_enable();
+ if (thread_flags & _TIF_SIGPENDING) {
+ do_signal(regs, syscall);
+ syscall = 0;
+ } else {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
+ }
+ local_irq_disable();
+ thread_flags = current_thread_info()->flags;
+ } while (thread_flags & _TIF_WORK_MASK);
}