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

Jia Hongtao-B38951 B38951 at freescale.com
Tue May 21 12:07:52 EST 2013


Hi Ben and Kumar,

I'm really appreciate if you could help me to review this patches
for these patches were pending nearly a month.

Thanks.
-Hongtao

> -----Original Message-----
> From: Jia Hongtao-B38951
> Sent: Monday, May 13, 2013 2:20 PM
> To: 'Benjamin Herrenschmidt'
> Cc: linuxppc-dev at lists.ozlabs.org; galak at kernel.crashing.org; Wood Scott-
> B07421; Li Yang-R58472; Jia Hongtao-B38951
> Subject: RE: [PATCH 2/2 V8] powerpc/85xx: Add machine check handler to
> fix PCIe erratum on mpc85xx
> 
> Hi Ben,
> 
> These four patches have been reviewed for a long time
> and look good to Scott Wood.
> It seems Kumar have no enough time for further review.
> Could you please help me to review them?
> 
> http://patchwork.ozlabs.org/patch/233211/
> http://patchwork.ozlabs.org/patch/235276/
> http://patchwork.ozlabs.org/patch/240238/
> http://patchwork.ozlabs.org/patch/240239/
> 
> Thanks.
> -Hongtao
> 
> > -----Original Message-----
> > From: Jia Hongtao-B38951
> > Sent: Friday, May 10, 2013 12:01 PM
> > To: galak at kernel.crashing.org
> > Cc: linuxppc-dev at lists.ozlabs.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
> >
> > > > -----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




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