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Message-Id: <20190923143620.29334-4-valentin.schneider@arm.com>
Date: Mon, 23 Sep 2019 15:36:14 +0100
From: Valentin Schneider <valentin.schneider@....com>
To: linux-kernel@...r.kernel.org
Cc: Guo Ren <guoren@...nel.org>
Subject: [PATCH v2 3/9] csky: 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: Guo Ren <guoren@...nel.org>
Signed-off-by: Valentin Schneider <valentin.schneider@....com>
---
arch/csky/kernel/entry.S | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index a7e84ccccbd8..679afbcc2001 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -292,11 +292,7 @@ ENTRY(csky_irq)
ldw r8, (r9, TINFO_FLAGS)
btsti r8, TIF_NEED_RESCHED
bf 2f
-1:
jbsr preempt_schedule_irq /* irq en/disable is done inside */
- ldw r7, (r9, TINFO_FLAGS) /* get new tasks TI_FLAGS */
- btsti r7, TIF_NEED_RESCHED
- bt 1b /* go again */
#endif
2:
jmpi ret_from_exception
--
2.22.0
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