Messages in this thread | | | Date | Wed, 23 Jan 2013 09:07:17 -0600 | From | Suravee Suthikulpanit <> | Subject | Re: [PATCH 1/1] AMD Family15h Model10-1Fh erratum 746 Workaround |
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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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