From 6fdb6fbecbf1ca939699f09376e35169615a3678 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 30 Apr 2012 19:49:23 -0400 Subject: mn10300: get rid of calling do_notify_resume() when returning to kernel mode Signed-off-by: Al Viro --- arch/mn10300/kernel/signal.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'arch/mn10300/kernel/signal.c') diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index 4d584ae29ae..b2c0ac71512 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -475,11 +475,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; - /* we want the common case to go fast, which is why we may in certain - * cases get here from kernel mode */ - if (!user_mode(regs)) - return; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { if (handle_signal(signr, &info, &ka, regs) == 0) { -- cgit v1.2.3-70-g09d2 From 548916e9f59ba35174122e33c48ac744410973fa Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 26 May 2012 22:20:22 -0400 Subject: mn10300: don't bother with SIGTRAP in setup_frame() ... just tell signal_delivered() to do it. Signed-off-by: Al Viro --- arch/mn10300/kernel/signal.c | 8 -------- 1 file changed, 8 deletions(-) (limited to 'arch/mn10300/kernel/signal.c') diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index b2c0ac71512..f570b3085ef 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -317,10 +317,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, regs->d0 = sig; regs->d1 = (unsigned long) &frame->sc; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, regs->pc, @@ -398,10 +394,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->d0 = sig; regs->d1 = (long) &frame->info; - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); - #if DEBUG_SIG printk(KERN_DEBUG "SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", sig, current->comm, current->pid, frame, regs->pc, -- cgit v1.2.3-70-g09d2