From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f169.google.com ([209.85.223.169]:38105 "EHLO mail-io0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbdILGtm (ORCPT ); Tue, 12 Sep 2017 02:49:42 -0400 Received: by mail-io0-f169.google.com with SMTP id n69so39735749ioi.5 for ; Mon, 11 Sep 2017 23:49:42 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <20170407102039.GW7266@8bytes.org> <1495439281-24005-1-git-send-email-arindam.nath@amd.com> <20170529143831.GA30388@8bytes.org> From: Daniel Drake Date: Tue, 12 Sep 2017 14:49:40 +0800 Message-ID: Subject: Re: [PATCH] iommu/amd: flush IOTLB for specific domains only (v3) To: "Nath, Arindam" Cc: Joerg Roedel , "Lendacky, Thomas" , "iommu@lists.linux-foundation.org" , "amd-gfx@lists.freedesktop.org" , "Deucher, Alexander" , "Bridgman, John" , "Suthikulpanit, Suravee" , "linux@endlessm.com" , Craig Stein , "michel@daenzer.net" , "Kuehling, Felix" , "stable@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: stable-owner@vger.kernel.org List-ID: Hi, On Tue, May 30, 2017 at 3:38 PM, Nath, Arindam wrote: >>-----Original Message----- >>From: Joerg Roedel [mailto:joro@8bytes.org] >>Sent: Monday, May 29, 2017 8:09 PM >>To: Nath, Arindam ; Lendacky, Thomas >> >>Cc: iommu@lists.linux-foundation.org; amd-gfx@lists.freedesktop.org; >>Deucher, Alexander ; Bridgman, John >>; drake@endlessm.com; Suthikulpanit, Suravee >>; linux@endlessm.com; Craig Stein >>; michel@daenzer.net; Kuehling, Felix >>; stable@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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Drake Subject: Re: [PATCH] iommu/amd: flush IOTLB for specific domains only (v3) Date: Tue, 12 Sep 2017 14:49:40 +0800 Message-ID: References: <20170407102039.GW7266@8bytes.org> <1495439281-24005-1-git-send-email-arindam.nath@amd.com> <20170529143831.GA30388@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "Nath, Arindam" Cc: "Lendacky, Thomas" , "Bridgman, John" , Joerg Roedel , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , Craig Stein , "stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "Suthikulpanit, Suravee" , "Deucher, Alexander" , "Kuehling, Felix" , "linux-6IF/jdPJHihWk0Htik3J/w@public.gmane.org" , "michel-otUistvHUpPR7s880joybQ@public.gmane.org" List-Id: iommu@lists.linux-foundation.org SGksCgpPbiBUdWUsIE1heSAzMCwgMjAxNyBhdCAzOjM4IFBNLCBOYXRoLCBBcmluZGFtIDxBcmlu ZGFtLk5hdGhAYW1kLmNvbT4gd3JvdGU6Cj4+LS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPj5G cm9tOiBKb2VyZyBSb2VkZWwgW21haWx0bzpqb3JvQDhieXRlcy5vcmddCj4+U2VudDogTW9uZGF5 LCBNYXkgMjksIDIwMTcgODowOSBQTQo+PlRvOiBOYXRoLCBBcmluZGFtIDxBcmluZGFtLk5hdGhA YW1kLmNvbT47IExlbmRhY2t5LCBUaG9tYXMKPj48VGhvbWFzLkxlbmRhY2t5QGFtZC5jb20+Cj4+ Q2M6IGlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnOyBhbWQtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZzsKPj5EZXVjaGVyLCBBbGV4YW5kZXIgPEFsZXhhbmRlci5EZXVjaGVyQGFtZC5j b20+OyBCcmlkZ21hbiwgSm9obgo+PjxKb2huLkJyaWRnbWFuQGFtZC5jb20+OyBkcmFrZUBlbmRs ZXNzbS5jb207IFN1dGhpa3VscGFuaXQsIFN1cmF2ZWUKPj48U3VyYXZlZS5TdXRoaWt1bHBhbml0 QGFtZC5jb20+OyBsaW51eEBlbmRsZXNzbS5jb207IENyYWlnIFN0ZWluCj4+PHN0ZWluMTJjQGdt YWlsLmNvbT47IG1pY2hlbEBkYWVuemVyLm5ldDsgS3VlaGxpbmcsIEZlbGl4Cj4+PEZlbGl4Lkt1 ZWhsaW5nQGFtZC5jb20+OyBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4+U3ViamVjdDogUmU6IFtQ QVRDSF0gaW9tbXUvYW1kOiBmbHVzaCBJT1RMQiBmb3Igc3BlY2lmaWMgZG9tYWlucyBvbmx5ICh2 MykKPj4KPj5IaSBBcmluZGFtLAo+Pgo+PkkgbWV0IFRvbSBMZW5kYWNreSBsYXN0IHdlZWsgaW4g TnVyZW1iZXJnIGxhc3Qgd2VlayBhbmQgaGUgdG9sZCBtZSBoZSBpcwo+Pndvcmtpbmcgb24gdGhl IHNhbWUgYXJlYSBvZiB0aGUgY29kZSB0aGF0IHRoaXMgcGF0Y2ggaXMgZm9yLiBIaXMgcmVhc29u Cj4+Zm9yIHRvdWNoaW5nIHRoaXMgY29kZSB3YXMgdG8gc29sdmUgc29tZSBsb2NraW5nIHByb2Js ZW1zLiBNYXliZSB5b3UgdHdvCj4+Y2FuIHdvcmsgdG9nZXRoZXIgb24gYSBqb2ludCBhcHByb2Fj aCB0byBpbXByb3ZlIHRoaXM/Cj4KPiBTdXJlIEpvZXJnLCBJIHdpbGwgd29yayB3aXRoIFRvbS4K CldoYXQgd2FzIHRoZSBlbmQgcmVzdWx0IGhlcmU/IEkgc2VlIHRoYXQgdGhlIGNvZGUgaGFzIGJl ZW4gcmV3b3JrZWQgaW4KNC4xMyBzbyB5b3VyIG9yaWdpbmFsIHBhdGNoIG5vIGxvbmdlciBhcHBs aWVzLiBJcyB0aGUgcmV3b3JrZWQgdmVyc2lvbgphbHNvIGV4cGVjdGVkIHRvIHNvbHZlIHRoZSBv cmlnaW5hbCBpc3N1ZT8KClRoYW5rcwpEYW5pZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9hbWQtZ2Z4Cg==