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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 4 insertions, 5 deletions

diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 7dee5f6a1416..0c631d34c8d7 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -108,6 +108,10 @@ restore_all:
 ###############################################################################
         ALIGN
 syscall_exit_work:
+        mov     (REG_EPSW,fp),d0
+        and     EPSW_nSL,d0
+        beq     resume_kernel           # returning to supervisor mode
+
         btst    _TIF_SYSCALL_TRACE,d2
         beq     work_pending
         LOCAL_IRQ_ENABLE                # could let syscall_trace_exit() call
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 4d584ae29ae1..b2c0ac715128 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) {