linux-kernel - [PATCH v2 2/9] c6x: entry: Remove unneeded need

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Message-Id: <20190923143620.29334-3-valentin.schneider@arm.com>
Date:   Mon, 23 Sep 2019 15:36:13 +0100
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Mark Salter <msalter@...hat.com>,
        Aurelien Jacquiot <jacquiot.aurelien@...il.com>,
        linux-c6x-dev@...ux-c6x.org
Subject: [PATCH v2 2/9] c6x: 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: Mark Salter <msalter@...hat.com>
Signed-off-by: Valentin Schneider <valentin.schneider@....com>
Cc: Aurelien Jacquiot <jacquiot.aurelien@...il.com>
Cc: linux-c6x-dev@...ux-c6x.org
---
 arch/c6x/kernel/entry.S | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/c6x/kernel/entry.S b/arch/c6x/kernel/entry.S
index 4332a10aec6c..3cb71b31c4cd 100644
--- a/arch/c6x/kernel/entry.S
+++ b/arch/c6x/kernel/entry.S
@@ -564,7 +564,6 @@ resume_kernel:
 	NOP	4
  [A1]	BNOP	.S2	restore_all,5
 
-preempt_schedule:
 	GET_THREAD_INFO A2
 	LDW	.D1T1	*+A2(THREAD_INFO_FLAGS),A1
 #ifdef CONFIG_C6X_BIG_KERNEL
@@ -581,7 +580,7 @@ preempt_schedule:
 #else
 	B	.S2	preempt_schedule_irq
 #endif
-	ADDKPC	.S2	preempt_schedule,B3,4
+	ADDKPC	.S2	restore_all,B3,4
 #endif /* CONFIG_PREEMPT */
 
 ENTRY(enable_exception)
-- 
2.22.0