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

2013-01-23 Thread 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 @@ -1171,6 +1195,8 @@ static int iommu_init_pci(struct amd_iommu *iommu) for (i = 0; i < 0x83; i++) iommu->store

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

2013-01-22 Thread Joerg Roedel
On Tue, Jan 22, 2013 at 05:19:10PM -0600, Suthikulpanit, Suravee wrote: > From: Suravee Suthikulpanit > @@ -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); >

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

2013-01-22 Thread suravee.suthikulpanit
From: Suravee Suthikulpanit This patch implements workaround for the AMD Family15h Model10-1Fh erratum 746. (http://support.amd.com/us/Processor_TechDocs/48931_15h_Mod_10h-1Fh_Rev_Guide.pdf) Signed-off-by: Suravee Suthikulpanit diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_i