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SubjectRe: [PATCH 1/1] AMD Family15h Model10-1Fh erratum 746 Workaround
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@amd.com>
>> @@ -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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