linux-kernel - [PATCH v2 9/9] xtensa: entry: Remove unneeded need

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Message-Id: <20190923143620.29334-10-valentin.schneider@arm.com>
Date:   Mon, 23 Sep 2019 15:36:20 +0100
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Max Filippov <jcmvbkbc@...il.com>, Chris Zankel <chris@...kel.net>,
        linux-xtensa@...ux-xtensa.org
Subject: [PATCH v2 9/9] xtensa: entry: 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.

Acked-by: Max Filippov <jcmvbkbc@...il.com>
Signed-off-by: Valentin Schneider <valentin.schneider@....com>
Cc: Chris Zankel <chris@...kel.net>
Cc: linux-xtensa@...ux-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 9e3676879168..2ca209e71565 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
-- 
2.22.0