[PATCH] arm64: mm: remove the redundant code
Huang Shijie
shijie.huang at arm.com
Sun Apr 17 18:49:56 PDT 2016
We already re-enable interrupts where necessary in the entry code, so
there is no need to do it again in do_page fault. This patch removes
the redundant code.
Signed-off-by: Huang Shijie <shijie.huang at arm.com>
---
arch/arm64/mm/fault.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 95df28b..bdc193c 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -212,10 +212,6 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
tsk = current;
mm = tsk->mm;
- /* Enable interrupts if they were enabled in the parent context. */
- if (interrupts_enabled(regs))
- local_irq_enable();
-
/*
* If we're in an interrupt or have no user context, we must not take
* the fault.
--
2.5.5
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