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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-19 18:47:55 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-07-28 12:11:52 +0200 |
| commit | 0a267fa6a15d41c4061358bf2e67c633fdbffc90 (patch) | |
| tree | e54ebbdd2c38824d154e7c0574fd563ef8072f9e /arch/arm/kernel/signal.c | |
| parent | ARM: 7471/1: Revert "7442/1: Revert "remove unused restart trampoline"" (diff) | |
| download | linux-0a267fa6a15d41c4061358bf2e67c633fdbffc90.tar.xz linux-0a267fa6a15d41c4061358bf2e67c633fdbffc90.zip | |
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.c | 27 |
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); } |