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mn10300: get rid of calling do_notify_resume() when returning to kernel mode

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-04-30 19:49:23 -04:00
parent 13d112ed32
commit 6fdb6fbecb
2 changed files with 4 additions and 5 deletions
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4
arch/mn10300/kernel/entry.S
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@ -108,6 +108,10 @@ restore_all:
############################################################################### ###############################################################################
ALIGN ALIGN
syscall_exit_work: syscall_exit_work:
mov (REG_EPSW,fp),d0
and EPSW_nSL,d0
beq resume_kernel # returning to supervisor mode
btst _TIF_SYSCALL_TRACE,d2 btst _TIF_SYSCALL_TRACE,d2
beq work_pending beq work_pending
LOCAL_IRQ_ENABLE # could let syscall_trace_exit() call LOCAL_IRQ_ENABLE # could let syscall_trace_exit() call

5
arch/mn10300/kernel/signal.c
View File

@ -475,11 +475,6 @@ static void do_signal(struct pt_regs *regs)
siginfo_t info; siginfo_t info;
int signr; 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); signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) { if (signr > 0) {
if (handle_signal(signr, &info, &ka, regs) == 0) { if (handle_signal(signr, &info, &ka, regs) == 0) {