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csky: Fixup remove duplicate irq_disable
authorLiu Yibin <jiulong@linux.alibaba.com>
Wed, 13 May 2020 07:54:15 +0000 (15:54 +0800)
committerGuo Ren <guoren@linux.alibaba.com>
Wed, 13 May 2020 09:55:06 +0000 (17:55 +0800)
Interrupt has been disabled in __schedule() with local_irq_disable()
and enabled in finish_task_switch->finish_lock_switch() with
local_irq_enabled(), So needn't to disable irq here.

Signed-off-by: Liu Yibin <jiulong@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
arch/csky/kernel/entry.S patch | blob | history

diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 3648195..6a468ff 100644 (file)
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -332,8 +332,6 @@ ENTRY(__switch_to)
 
        mfcr    a2, psr                 /* Save PSR value */
        stw     a2, (a3, THREAD_SR)     /* Save PSR in task struct */
-       bclri   a2, 6                   /* Disable interrupts */
-       mtcr    a2, psr
 
        SAVE_SWITCH_STACK
 
Domain: System / Kernel;