Re: [Xen-devel] [PATCH V3] x86/AMD: Apply workaround for AMD F16h Erratum792

[Aravind Gopalakrishnan <aravind.gopalakrishnan@xxxxxxx>]

On Fri, Feb 07, 2014 at 10:14:23AM +0000, Jan Beulich wrote:
> >>> On 06.02.14 at 20:33, Aravind Gopalakrishnan 
> >>> <Aravind.Gopalakrishnan@xxxxxxx> wrote:
> > Workaround for the Erratum will be in BIOSes spun only after
> > Jan 2014 onwards. But initial production parts shipped in 2013
> > itself. Since there is a coverage hole, we should carry this fix
> > in software in case BIOS does not do the right thing or someone
> > is using old BIOS.
> > 
> > Refer to Revision Guide for AMD F16h models 00h-0fh, document 51810
> > Rev. 3.04, November2013 for details on the Erratum.
> > 
> > Tested the patch on Fam16h server platform and it works fine.
> > 
> > Changes in V2: (per Andrew.C comments)
> >     - Move pci_val into same scope
> >     - rework indentation to match linux style
> > Changes in V3: (per Jan comments)
> >     - remove pci_val, use 'l' and 'h' instead
> >     - print warning message to hypervisor log
> > 
> > Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@xxxxxxx>
> > Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
> > Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Applied after some more editing. Please double check.
> 

Tested staging branch on F16h to make sure; and works fine..

Thanks,
-Aravind.



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