Commit 3a72db70 authored Apr 18, 2016 by Huang Shijie Committed by Will Deacon Apr 19, 2016

arm64: mm: remove the redundant code



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>

parent 66dbd6e6

arch/arm64/mm/fault.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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.