[PATCH] iommu/amd: flush IOTLB for specific domains only (v3)

Daniel Drake drake at endlessm.com
Tue Sep 12 06:49:40 UTC 2017


Hi,

On Tue, May 30, 2017 at 3:38 PM, Nath, Arindam <Arindam.Nath at amd.com> wrote:
>>-----Original Message-----
>>From: Joerg Roedel [mailto:joro at 8bytes.org]
>>Sent: Monday, May 29, 2017 8:09 PM
>>To: Nath, Arindam <Arindam.Nath at amd.com>; Lendacky, Thomas
>><Thomas.Lendacky at amd.com>
>>Cc: iommu at lists.linux-foundation.org; amd-gfx at lists.freedesktop.org;
>>Deucher, Alexander <Alexander.Deucher at amd.com>; Bridgman, John
>><John.Bridgman at amd.com>; drake at endlessm.com; Suthikulpanit, Suravee
>><Suravee.Suthikulpanit at amd.com>; linux at endlessm.com; Craig Stein
>><stein12c at gmail.com>; michel at daenzer.net; Kuehling, Felix
>><Felix.Kuehling at amd.com>; stable at vger.kernel.org
>>Subject: Re: [PATCH] iommu/amd: flush IOTLB for specific domains only (v3)
>>
>>Hi Arindam,
>>
>>I met Tom Lendacky last week in Nuremberg last week and he told me he is
>>working on the same area of the code that this patch is for. His reason
>>for touching this code was to solve some locking problems. Maybe you two
>>can work together on a joint approach to improve this?
>
> Sure Joerg, I will work with Tom.

What was the end result here? I see that the code has been reworked in
4.13 so your original patch no longer applies. Is the reworked version
also expected to solve the original issue?

Thanks
Daniel


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