linux-kernel - [PATCH v2 4/9] h8300: entry: Remove unneeded need

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Message-Id: <20190923143620.29334-5-valentin.schneider@arm.com>
Date:   Mon, 23 Sep 2019 15:36:15 +0100
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        uclinux-h8-devel@...ts.sourceforge.jp
Subject: [PATCH v2 4/9] h8300: 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.

Signed-off-by: Valentin Schneider <valentin.schneider@....com>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: uclinux-h8-devel@...ts.sourceforge.jp
---
 arch/h8300/kernel/entry.S | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/h8300/kernel/entry.S b/arch/h8300/kernel/entry.S
index 4ade5f8299ba..6bde028e7d4a 100644
--- a/arch/h8300/kernel/entry.S
+++ b/arch/h8300/kernel/entry.S
@@ -323,7 +323,6 @@ restore_all:
 resume_kernel:
 	mov.l	@(TI_PRE_COUNT:16,er4),er0
 	bne	restore_all:8
-need_resched:
 	mov.l	@(TI_FLAGS:16,er4),er0
 	btst	#TIF_NEED_RESCHED,r0l
 	beq	restore_all:8
@@ -332,7 +331,7 @@ need_resched:
 	mov.l	sp,er0
 	jsr	@set_esp0
 	jsr	@preempt_schedule_irq
-	bra	need_resched:8
+	bra	restore_all:8
 #endif
 
 ret_from_fork:
-- 
2.22.0