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

From: Catalin Marinas
Date: Thu Mar 23 2017 - 13:03:57 EST


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@xxxxxxxxxxxxxx>
> CC: Jonathan (Zhixiong) Zhang <zjzhang@xxxxxxxxxxxxxx>
> Reviewed-by: James Morse <james.morse@xxxxxxx>
> ---
> arch/arm64/include/asm/esr.h | 1 +
> arch/arm64/mm/fault.c | 43 +++++++++++++++++++++++++++++++++----------

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>