Re: [Xen-devel] [acooks@xxxxxxxxx: [PATCH] Quirk to support Marvell 88SE91xx SATA controllers with Intel IOMMU.]

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 01.03.13 at 15:28, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> On 01/03/13 14:04, Konrad Rzeszutek Wilk wrote:
>> Should we add a similar quirk to Xen?
> 
> Jan: Didn't you already implement PCI phantom function quirks in Xen for
> exactly this reason?
> 
> http://xenbits.xen.org/hg/staging/xen-unstable.hg/rev/23c4bbc0111d does
> reference Marvell SATA controllers

Correct, and in a much more generic way, and also covering the
AMD case. The only thing we don't do is automatically apply the
workaround - we require a commend line option to be specified. If
there is a list of devices we firmly know need this, then would
could certainly add something not requiring user intervention.

Jan


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