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Re: [Xen-devel] RFC: AMD support for paging


  • To: "Olaf Hering" <olaf@xxxxxxxxx>
  • From: "Andres Lagar-Cavilla" <andres@xxxxxxxxxxxxxxxx>
  • Date: Wed, 15 Feb 2012 06:59:06 -0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, tim@xxxxxxx, keir.xen@xxxxxxxxx, jbeulich@xxxxxxxx, adin@xxxxxxxxxxxxxx
  • Delivery-date: Wed, 15 Feb 2012 14:59:46 +0000
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> On Tue, Feb 14, Olaf Hering wrote:
>
>> On Tue, Feb 14, Andres Lagar-Cavilla wrote:
>>
>> > Those are the kinds of errors I was getting until I finished my patch.
>> > Basically, the p2m gets confused and returns p2m_mmio_dm as the type
>> for
>> > anything it doesn't understand. If you end up giving my patch a spin,
>> let
>> > me know if it gets you past that hump.
>>
>> No, it does not work for me, still EINVAL during mapping.
>
> And this also happens with a recent system:

Ok, most likely the p2m is not returning the proper values for entries
that are p2m_ram_paging_out. Although eviction after nominate does work.
Ummhhh. I'll look into it. Thanks Olaf for the report

Andres

>
> processor       : 2
> vendor_id       : AuthenticAMD
> cpu family      : 16
> model           : 5
> model name      : AMD Phenom(tm) II N830 Triple-Core Processor
> stepping        : 3
> cpu MHz         : 2094.846
>
>
> Olaf
>



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