commit 6fdb6fbecbf1ca939699f09376e35169615a3678
author Al Viro <viro@zeniv.linux.org.uk> Mon Apr 30 19:49:23 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Mon Oct 01 09:58:09 2012 -0400
tree 06e854291cb175e24d959f13c9e76212565c8b72
parent 13d112ed32e66742a1795819b76752e8f7166848

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

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

arch/mn10300/kernel/entry.S

diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 7dee5f6..0c631d3 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -108,6 +108,10 @@
 ###############################################################################
 	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