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From:   Valentin Schneider <valentin.schneider@arm.com>
To:     linux-kernel@vger.kernel.org
Cc:     Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>, linux-sh@vger.kernel.org
Subject: [PATCH 11/14] sh64: entry: Remove unneeded need_resched() loop
Date:   Mon, 11 Mar 2019 22:47:49 +0000
Message-Id: <20190311224752.8337-12-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: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org
---
 arch/sh/kernel/cpu/sh5/entry.S | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index de68ffdfffbf..40e6d9a7a6a2 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -897,7 +897,6 @@ resume_kernel:
 	ld.l	r6, TI_PRE_COUNT, r7
 	beq/u	r7, ZERO, tr0
 
-need_resched:
 	ld.l	r6, TI_FLAGS, r7
 	movi	(1 << TIF_NEED_RESCHED), r8
 	and	r8, r7, r8
@@ -911,9 +910,7 @@ need_resched:
 	ori	r7, 1, r7
 	ptabs	r7, tr1
 	blink	tr1, LINK
-
-	pta	need_resched, tr1
-	blink	tr1, ZERO
+	blink   tr0, ZERO
 #endif
 
 	.global ret_from_syscall
-- 
2.20.1