Re: [Xen-devel] pvops microcode support for AMD FAM >= 15

[Boris Ostrovsky <boris.ostrovsky@xxxxxxx>]

On 11/26/2012 09:58 AM, Boris Ostrovsky wrote:
> On 11/26/2012 09:13 AM, Ian Campbell wrote:
> > On Mon, 2012-11-26 at 13:44 +0000, Jan Beulich wrote:
> > > The only other thing to check for is that you don't have any
> > > artificial size restriction left in that code (I think patch files early
> > > on were limited to 4k in size, and that got lifted during the last
> > > couple of years).
> > I can't find one by inspection, it uses the standard request_firmware
> > interface and stashes the result in a valloc'd buffer, neither of which
> > suffer from any 4K related limitations AFAIK.
> >
> > I'll try and track something more recent down to test but the worst
> > downside of applying this patch seems to be that something which doesn't
> > work still doesn't work.
> I submitted a fix for fam 16h to Linux right before the Thanksgiving
> break in US and was planning to look at Xen as well. Give me a day or
> two to test it.
It works fine, no issues with size (which is different from other families).

-boris


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