linux-kernel - [PATCH 07/14] nds32: ex-exit: Remove unneeded need

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Message-Id: <20190311224752.8337-8-valentin.schneider@arm.com>
Date:   Mon, 11 Mar 2019 22:47:45 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>
Subject: [PATCH 07/14] nds32: ex-exit: Remove unneeded need_resched() loop

Since the enabling and disabling of IRQs within preempt_schedule_irq()
is contained in a need_resched() loop, we don't need the outer arch
code loop.

Signed-off-by: Valentin Schneider <valentin.schneider@....com>
Cc: Greentime Hu <green.hu@...il.com>
Cc: Vincent Chen <deanbo422@...il.com>
---
 arch/nds32/kernel/ex-exit.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/nds32/kernel/ex-exit.S b/arch/nds32/kernel/ex-exit.S
index 97ba15cd4180..1df02a793364 100644
--- a/arch/nds32/kernel/ex-exit.S
+++ b/arch/nds32/kernel/ex-exit.S
@@ -163,7 +163,7 @@ resume_kernel:
 	gie_disable
 	lwi	$t0, [tsk+#TSK_TI_PREEMPT]
 	bnez	$t0, no_work_pending
-need_resched:
+
 	lwi	$t0, [tsk+#TSK_TI_FLAGS]
 	andi	$p1, $t0, #_TIF_NEED_RESCHED
 	beqz	$p1, no_work_pending
@@ -173,7 +173,7 @@ need_resched:
 	beqz	$t0, no_work_pending
 
 	jal	preempt_schedule_irq
-	b	need_resched
+	b	no_work_pending
 #endif
 
 /*
-- 
2.20.1