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Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter , xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Juergen Gross , Chuck Zmudzinski , regressions@lists.linux.dev, stable@vger.kernel.org References: <20220503132207.17234-1-jgross@suse.com> <20220503132207.17234-3-jgross@suse.com> <1d86d8ff-6878-5488-e8c4-cbe8a5e8f624@suse.com> <0dcb05d0-108f-6252-e768-f75b393a7f5c@suse.com> <77255e5b-12bf-5390-6910-dafbaff18e96@netscape.net> <8b1ebea5-7820-69c4-2e2b-9866d55bc180@netscape.net> <3bff3562-bb1e-04e6-6eca-8d9bc355f2eb@suse.com> <3ca084a9-768e-a6f5-ace4-cd347978dec7@netscape.net> <9af0181a-e143-4474-acda-adbe72fc6227@suse.com> <3fc70595-3dcc-4901-0f3f-193f043b753f@netscape.net> From: Jan Beulich In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: AS9PR06CA0510.eurprd06.prod.outlook.com (2603:10a6:20b:49b::35) To VE1PR04MB6560.eurprd04.prod.outlook.com (2603:10a6:803:122::25) Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c3166e3b-759d-43af-31dd-08da3e29dde5 X-MS-TrafficTypeDiagnostic: AM0PR04MB4049:EE_ X-LD-Processed: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba,ExtFwd X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Reverting bdd8b6c98239 fixes >> it. There is another way to fix it, though. > > Yeah, I'm aware of it. But it seems... > >> The patch proposed >> by Jan Beulich also fixes the regression on my system, so as >> the person reporting this is a regression, I would also be satisfied >> with Jan's patch instead of reverting bdd8b6c98239 as a fix. Jan >> posted his proposed patch here: >> >> https://lore.kernel.org/lkml/9385fa60-fa5d-f559-a137-6608408f88b0@suse.com/ > > ...that approach is not making any progress either? > > Jan, can could provide a short status update here? I'd really like to > get this regression fixed one way or another rather sooner than later, > as this is taken way to long already IMHO. What kind of status update could I provide? I've not heard back from anyone of the maintainers, so I have no way to know what (if anything) I need to do. 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Wed, 25 May 2022 08:37:56 +0000 Received: from VE1PR04MB6560.eurprd04.prod.outlook.com ([fe80::dfa:a64a:432f:e26b]) by VE1PR04MB6560.eurprd04.prod.outlook.com ([fe80::dfa:a64a:432f:e26b%7]) with mapi id 15.20.5293.013; Wed, 25 May 2022 08:37:56 +0000 Message-ID: <83cbd5ce-7f00-9121-44b3-5d1b94d66f02@suse.com> Date: Wed, 25 May 2022 10:37:53 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH 2/2] x86/pat: add functions to query specific cache mode availability Content-Language: en-US To: Thorsten Leemhuis References: <20220503132207.17234-1-jgross@suse.com> <20220503132207.17234-3-jgross@suse.com> <1d86d8ff-6878-5488-e8c4-cbe8a5e8f624@suse.com> <0dcb05d0-108f-6252-e768-f75b393a7f5c@suse.com> <77255e5b-12bf-5390-6910-dafbaff18e96@netscape.net> <8b1ebea5-7820-69c4-2e2b-9866d55bc180@netscape.net> <3bff3562-bb1e-04e6-6eca-8d9bc355f2eb@suse.com> <3ca084a9-768e-a6f5-ace4-cd347978dec7@netscape.net> <9af0181a-e143-4474-acda-adbe72fc6227@suse.com> <3fc70595-3dcc-4901-0f3f-193f043b753f@netscape.net> From: Jan Beulich In-Reply-To: Content-Type: text/plain; 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Peter Anvin" , x86@kernel.org, David Airlie , Ingo Molnar , Chuck Zmudzinski , xen-devel@lists.xenproject.org, Dave Hansen , intel-gfx@lists.freedesktop.org, Borislav Petkov , Andy Lutomirski , Rodrigo Vivi , Thomas Gleixner , Juergen Gross , Tvrtko Ursulin , linux-kernel@vger.kernel.org, stable@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 25.05.2022 09:45, Thorsten Leemhuis wrote: > On 24.05.22 20:32, Chuck Zmudzinski wrote: >> On 5/21/22 6:47 AM, Thorsten Leemhuis wrote: >>> I'm not a developer and I'm don't known the details of this thread and >>> the backstory of the regression, but it sounds like that's the approach >>> that is needed here until someone comes up with a fix for the regression >>> exposed by bdd8b6c98239. >>> >>> But if I'm wrong, please tell me. >> >> You are mostly right, I think. Reverting bdd8b6c98239 fixes >> it. There is another way to fix it, though. > > Yeah, I'm aware of it. But it seems... > >> The patch proposed >> by Jan Beulich also fixes the regression on my system, so as >> the person reporting this is a regression, I would also be satisfied >> with Jan's patch instead of reverting bdd8b6c98239 as a fix. Jan >> posted his proposed patch here: >> >> https://lore.kernel.org/lkml/9385fa60-fa5d-f559-a137-6608408f88b0@suse.com/ > > ...that approach is not making any progress either? > > Jan, can could provide a short status update here? I'd really like to > get this regression fixed one way or another rather sooner than later, > as this is taken way to long already IMHO. What kind of status update could I provide? I've not heard back from anyone of the maintainers, so I have no way to know what (if anything) I need to do. Jan