[PATCH 2/2 V8] powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx

[Scott Wood]

On 04/28/2013 12:20:08 AM, Jia Hongtao wrote:
> A PCIe erratum of mpc85xx may causes a core hang when a link of PCIe
> goes down. when the link goes down, Non-posted transactions issued
> via the ATMU requiring completion result in an instruction stall.
> At the same time a machine-check exception is generated to the core
> to allow further processing by the handler. We implements the handler
> which skips the instruction caused the stall.
> 
> This patch depends on patch:
> powerpc/85xx: Add platform_device declaration to fsl_pci.h
> 
> Signed-off-by: Zhao Chenhui <b35336 at freescale.com>
> Signed-off-by: Li Yang <leoli at freescale.com>
> Signed-off-by: Liu Shuo <soniccat.liu at gmail.com>
> Signed-off-by: Jia Hongtao <hongtao.jia at freescale.com>
> ---
> V8:
> * Add A variant load instruction emulation.

ACK

-Scott