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From:   Valentin Schneider <valentin.schneider@arm.com>
To:     linux-kernel@vger.kernel.org
Cc:     Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>,
        linux-xtensa@linux-xtensa.org
Subject: [PATCH 14/14] xtensa: entry: Remove unneeded need_resched() loop
Date:   Mon, 11 Mar 2019 22:47:52 +0000
Message-Id: <20190311224752.8337-15-valentin.schneider@arm.com>
In-Reply-To: <20190311224752.8337-1-valentin.schneider@arm.com>
References: <20190311224752.8337-1-valentin.schneider@arm.com>
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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@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-xtensa@linux-xtensa.org
---
 arch/xtensa/kernel/entry.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index e50f5124dc6f..43ecaac14ae6 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -529,7 +529,7 @@ common_exception_return:
 	l32i	a4, a2, TI_PRE_COUNT
 	bnez	a4, 4f
 	call4	preempt_schedule_irq
-	j	1b
+	j	4f
 #endif
 
 #if XTENSA_FAKE_NMI
-- 
2.20.1