[PATCH V13 04/10] arm64: exception: handle Synchronous External Abort

Catalin Marinas catalin.marinas at arm.com
Thu Mar 23 10:02:06 PDT 2017


On Tue, Mar 21, 2017 at 04:46:59PM -0600, Tyler Baicar wrote:
> SEA exceptions are often caused by an uncorrected hardware
> error, and are handled when data abort and instruction abort
> exception classes have specific values for their Fault Status
> Code.
> When SEA occurs, before killing the process, report the error
> in the kernel logs.
> Update fault_info[] with specific SEA faults so that the
> new SEA handler is used.
> 
> Signed-off-by: Tyler Baicar <tbaicar at codeaurora.org>
> CC: Jonathan (Zhixiong) Zhang <zjzhang at codeaurora.org>
> Reviewed-by: James Morse <james.morse at arm.com>
> ---
>  arch/arm64/include/asm/esr.h |  1 +
>  arch/arm64/mm/fault.c        | 43 +++++++++++++++++++++++++++++++++----------

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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