arm64: Check for parity errors on synchronous aborts



Certain types of fatal synchronous aborts may be triggered by parity
errors in the L1 or L2 caches. Check whether a parity error occured and
print out the relevant information.

Change-Id: Ibc306e12e95286d29757bac293bd0b69bf04ebc4
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent ab503cec

arch/arm64/mm/fault.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@
		#include <asm/system_misc.h>
		#include <asm/pgtable.h>
		#include <asm/tlbflush.h>
		#include <asm/edac.h>

		#include <trace/events/exception.h>

		@@ -369,6 +370,7 @@ static int __kprobes do_translation_fault(unsigned long addr,
		*/
		static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
		{
		arm64_erp_local_dbe_handler();
		return 1;
		}