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b=YYOpN5ug3clOoWdOFZWh/NGMQCFB3Thcda5+zbhQDexs+osOzzqk4SorWGuSvlXLFaC5iSe6XsvvlbBewrUo/jHkiyTBXGmzXGKyJvXXRyxXdQ/2lGkcHXIv+C44vkEijmAkbclcM9wovYdFm5iEKZ9JSyun02/Xq0X9teRBSMQ= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=citrix.com; Date: Fri, 5 Jun 2026 09:32:34 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Jason Andryuk , oleksii.kurochko@gmail.com Cc: xen-devel@lists.xenproject.org, Jan Beulich , Andrew Cooper , Teddy Astie Subject: Re: [PATCH v2 0/3] xen/x86: Change stub page freeing to fix smt=0 Message-ID: References: <20260604231837.804560-1-jason.andryuk@amd.com> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260604231837.804560-1-jason.andryuk@amd.com> X-ClientProxiedBy: MR1P264CA0207.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:56::7) To CH7PR03MB7860.namprd03.prod.outlook.com (2603:10b6:610:24e::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH7PR03MB7860:EE_|DM4PR03MB6062:EE_ X-MS-Office365-Filtering-Correlation-Id: 767a1811-79f2-4dba-0d61-08dec2d49de8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|11063799006|56012099006|18002099003|22082099003; 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I've added him to the cover letter so he is aware. Regards, Roger. On Thu, Jun 04, 2026 at 07:18:34PM -0400, Jason Andryuk wrote: > This is a different approach to fixing the stub page handling that is > broken with !CONFIG_PV and smt=0. > > Jason Andryuk (3): > xen/x86: Remove unneeded stub_page setting > xen/x86: Split out page_walk_mfn() helper > xen/x86: Change stub page allocation/free logic > > xen/arch/x86/include/asm/mm.h | 1 + > xen/arch/x86/smpboot.c | 32 ++++++++++++++++++++------------ > xen/arch/x86/x86_64/mm.c | 31 +++++++++++++++++++++---------- > 3 files changed, 42 insertions(+), 22 deletions(-) > > -- > 2.54.0 >