| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 057/142] csky: Fixup remove duplicate irq_disable | Date | Mon, 1 Jun 2020 19:53:35 +0200 |
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From: Liu Yibin <jiulong@linux.alibaba.com>
[ Upstream commit 6633a5aa8eb6bda70eb3a9837efd28a67ccc6e0a ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/csky/kernel/entry.S | 2 -- 1 file changed, 2 deletions(-)
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S index a7a5b67df898..65c55f22532a 100644 --- a/arch/csky/kernel/entry.S +++ b/arch/csky/kernel/entry.S @@ -318,8 +318,6 @@ 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 -- 2.25.1
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