[PATCH v2 3/9] csky: entry: Remove unneeded need_resched() loop

From: Valentin Schneider
Date: Mon Sep 23 2019 - 10:36:56 EST


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@xxxxxxxxxx>
Signed-off-by: Valentin Schneider <valentin.schneider@xxxxxxx>
---
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