Re: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-09 Thread Joerg Roedel
On Tue, Apr 09, 2013 at 10:12:13AM -0500, Suthikulpanit, Suravee wrote: > These messages are not "high volumn". What I am trying to achieve > is for users to be able to just send the errors to developers once > they are encountered without having to tell them to go back and > reboot with the "amd_

Re: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-09 Thread Suravee Suthikulanit
On 4/9/2013 4:41 AM, Joerg Roedel wrote: On Tue, Apr 02, 2013 at 07:06:50PM -0500, Suthikulpanit, Suravee wrote: From: Suravee Suthikulpanit Add logic to decode AMD IOMMU event flag based on information from AMD IOMMU specification. This should simplify debugging IOMMU errors. Also, dump DTE

Re: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-09 Thread Joerg Roedel
On Tue, Apr 02, 2013 at 07:06:50PM -0500, Suthikulpanit, Suravee wrote: > From: Suravee Suthikulpanit > > Add logic to decode AMD IOMMU event flag based on information from AMD IOMMU > specification. > This should simplify debugging IOMMU errors. Also, dump DTE information in > additional case

Re: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-08 Thread Borislav Petkov
On Mon, Apr 08, 2013 at 10:43:45AM -0500, Suravee Suthikulanit wrote: > On 4/8/2013 9:50 AM, Borislav Petkov wrote: > >Independent from Joerg's feedback on this, I have only one question: > >you're not seriously considering on dumping this "Note:..." line above > >on*every* IO-PF, right? > If you

Re: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-08 Thread Borislav Petkov
] > Sent: Tuesday, April 02, 2013 7:06 PM > To: io...@lists.linux-foundation.org; j...@8bytes.org > Cc: linux-kernel@vger.kernel.org; Suthikulpanit, Suravee > Subject: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag > > From: Suravee Suthikulpanit > >

RE: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-08 Thread Suthikulpanit, Suravee
@vger.kernel.org; Suthikulpanit, Suravee Subject: [PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag From: Suravee Suthikulpanit Add logic to decode AMD IOMMU event flag based on information from AMD IOMMU specification. This should simplify debugging IOMMU errors. Also, dump DTE

[PATCH V3] iommu/amd: Add logic to decode AMD IOMMU event flag

2013-04-02 Thread suravee.suthikulpanit
From: Suravee Suthikulpanit Add logic to decode AMD IOMMU event flag based on information from AMD IOMMU specification. This should simplify debugging IOMMU errors. Also, dump DTE information in additional cases. This is an example: AMD-Vi: Event logged [IO_PAGE_FAULT device=51:00.0 domain=0x