Re: [PATCH 1/1] AMD Family15h Model10-1Fh erratum 746 Workaround

[Suravee Suthikulpanit]

On 1/23/2013 1:06 AM, Joerg Roedel wrote:

> On Tue, Jan 22, 2013 at 05:19:10PM -0600, Suthikulpanit, Suravee wrote:
> > From: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
> > @@ -1171,6 +1195,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
> >   		for (i = 0; i < 0x83; i++)
> >   			iommu->stored_l2[i] = iommu_read_l2(iommu, i);
> >   	}
> > +	
> > +	amd_iommu_apply_erratum_746(iommu);
> This will also be applied to RD890 IOMMUs, right? This workaround should
> be limited to Trinity IOMMUs.

Inside the function, it checks the family and model number.  Only Trinitiy is affected.

Suravee


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