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authorValentin Schneider <valentin.schneider@arm.com>2019-09-23 17:36:14 +0300
committerGuo Ren <ren_guo@c-sky.com>2019-09-30 06:49:47 +0300
commita2139d3b4fd7ef26a363a1b1eb6cd55be2c1bcd1 (patch)
tree5fda9e52e3217670fa16135ee2d3da44c6f7d89c /arch
parent3a09d8e2893b2403a043890e5832966e8640feaf (diff)
downloadlinux-a2139d3b4fd7ef26a363a1b1eb6cd55be2c1bcd1.tar.xz
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. Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Guo Ren <guoren@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/csky/kernel/entry.S4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 564dab2fabaa..a7a5b67df898 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -302,11 +302,7 @@ ENTRY(csky_irq)
ldw r12, (r9, TINFO_FLAGS)
btsti r12, 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