CRIS: Don't take faults while in_atomic (028c1f68) · Commits · e / devices / android_kernel_xiaomi_markw

arch/cris/mm/fault.c

+5 −8

Original line number	Diff line number	Diff line
		/*
		* linux/arch/cris/mm/fault.c
		*
		* Copyright (C) 2000-2006 Axis Communications AB
		*
		* Authors: Bjorn Wesen
		* arch/cris/mm/fault.c
		*
		* Copyright (C) 2000-2010 Axis Communications AB
		*/

		#include <linux/mm.h>
		@@ -108,11 +105,11 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
		info.si_code = SEGV_MAPERR;

		/*
		* If we're in an interrupt or have no user
		* context, we must not take the fault..
		* If we're in an interrupt or "atomic" operation or have no
		* user context, we must not take the fault.
		*/

		if (in_interrupt() \|\| !mm)
		if (in_atomic() \|\| !mm)
		goto no_context;

		down_read(&mm->mmap_sem);