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arm64: mm: remove the redundant code

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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.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Huang Shijie <shijie.huang@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Huang Shijie 2016-04-18 09:49:56 +08:00 committed by Will Deacon
parent 66dbd6e61a
commit 3a72db703c
1 changed files with 0 additions and 4 deletions
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4
arch/arm64/mm/fault.c
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@ -262,10 +262,6 @@ 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.