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

[Jia Hongtao-B38951]

> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Friday, May 03, 2013 1:04 AM
> > To: Jia Hongtao-B38951
> > Cc: linuxppc-dev at lists.ozlabs.org; galak at kernel.crashing.org; Wood
> > Scott- B07421; segher at kernel.crashing.org; Li Yang-R58472; Jia
> > Hongtao-B38951
> > Subject: Re: [PATCH 2/2 V8] powerpc/85xx: Add machine check handler to
> > fix PCIe erratum on mpc85xx
> >
> > 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
> 
> Thanks for the review.
> 
> Hi Kumar,
> 
> Could you please review these MSI and PCI hang errata patches?
> http://patchwork.ozlabs.org/patch/233211/
> http://patchwork.ozlabs.org/patch/235276/
> http://patchwork.ozlabs.org/patch/240238/
> http://patchwork.ozlabs.org/patch/240239/ (This patch)
> 
> Thanks.
> -Hongtao

Hi Kumar,

I'm really appreciated if you have time to review these patches?

Thanks.
-Hongtao