From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 1.mo576.mail-out.ovh.net (1.mo576.mail-out.ovh.net [178.33.251.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7311736E468 for ; Tue, 1 Sep 2026 08:22:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.33.251.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788250932; cv=none; b=eOsmbK8WWFj75TYhQ+K4hstde6DGYELwixHxcN3nkqxnJUIoceU11POE6VxWfe6nWbuE57puH6OpWWw5BpXIAqPDJlw0tAq69mXVmqhoJewjUpFRo3M+So6jWqJOuLoy40uhj/0J354xLWzFrR9CD9Xm+CJ1FCf9cCD4SAoNo+I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788250932; c=relaxed/simple; bh=4CeqSY2daCzZGDUhTeQYopWIF0FYm4SjwGcx/hkVnwY=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=kRZKvJ0maCt+2CcnJYV6mBzbeYFiOSSzytavGipFVN7NqQGtqsyNvcTFN2MstOLS4mJDC98cu5n/JNkqGPDTf4wgcUV3/uisHycWA0dzY693M2+vsjQlxq+FoCm1d0ikYfIkOsWwNaLZ+8dXxmvudapSvN9ean0yAM1P0R+q+AA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=quelquesmots.fr; spf=pass smtp.mailfrom=quelquesmots.fr; dkim=pass (2048-bit key) header.d=quelquesmots.fr header.i=@quelquesmots.fr header.b=YO+VOiUT; arc=none smtp.client-ip=178.33.251.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=quelquesmots.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quelquesmots.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quelquesmots.fr header.i=@quelquesmots.fr header.b="YO+VOiUT" Received: from director5.ghost.mail-out.ovh.net (unknown [10.110.37.246]) by mo576.mail-out.ovh.net (Postfix) with ESMTP id 4hYz9Q3D5gz5wt3 for ; Tue, 1 Sep 2026 08:12:09 +0000 (UTC) Received: from ghost-submission-c7b579475-ct55h (unknown [10.111.182.37]) by director5.ghost.mail-out.ovh.net (Postfix) with ESMTPS id CD200100109; Tue, 1 Sep 2026 08:12:07 +0000 (UTC) Received: from quelquesmots.fr ([37.59.142.113]) by ghost-submission-c7b579475-ct55h with ESMTPSA id Vk3ZJNeIlmrHvBwAxQ/CHg (envelope-from ); Tue, 01 Sep 2026 08:12:07 +0000 Authentication-Results:garm.ovh; auth=pass (GARM-113S007f7893c6a-f9e5-4c07-a8dd-8242f6b07fe3, D46D84C90CB7300EBABF53B96F8CBF09A62C48CE) smtp.auth=l.wandrebeck@quelquesmots.fr X-OVh-ClientIp:109.190.254.62 Message-ID: <78225f07785ed89e0c3e5def8a8bb1a48e444322.camel@quelquesmots.fr> Subject: Re: [PATCH] x86/mm: don't apply va_align to hugetlb mappings on AMD F15h From: Laurent Wandrebeck To: Borislav Petkov Cc: Dave Hansen , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Oscar Salvador , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Tue, 01 Sep 2026 10:12:07 +0200 In-Reply-To: <20260829185120.GBapMqKFM35KtL0Mod@fat_crate.local> References: <20260828135747.724789-1-l.wandrebeck@quelquesmots.fr> <3faecf65-7edb-4cec-be7a-e5266dd3a649@intel.com> <20260829174704.GAapMbGAZMwImcvIN7@fat_crate.local> <0B48BE2C-2E72-4961-91D9-35E215F537A9@quelquesmots.fr> <20260829185120.GBapMqKFM35KtL0Mod@fat_crate.local> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4-0ubuntu2.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 x-ovh-tracer-id: 9860912862624480539 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: 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 DKIM-Signature: a=rsa-sha256; bh=RUaynCIfI2k00quB79erNLXXPtwh5LI+gQzFVcNXhSM=; c=relaxed/relaxed; d=quelquesmots.fr; h=From; s=ovhmo4049951-selector1; t=1788250330; v=1; b=YO+VOiUT4XZ8qoDOI0Sv/3sl7ux7MlR1c9FPLb4+gbU6h8q9lAxlS6tp/xFtxh1jkkT8QKkE /zxMZs+6DItQA4fnklzYurD//FrJ9OE935U1MsVOu81gYq00Sv/GQFGmPg282ir2KfgLkV2iA1E jXXJ5758nEK5fcsBkgrUcGvQGxi/Rt1Kf16HvXxL4rTbl8a5aaPKl5QbK/y+NXYT8Co25kaIL+8 R5Lyy4gu67PhyqbIli2LKPvRbbQgOLmtnwJEbQ6k68uk0CkgA/Knxzy6MaJSOhFrmb2BykAcR6r gNP6PUjosKEBX2vD9UqJS9Be0nJ7z0MPMdLJBZg+aiG0g== On Sat, 2026-08-29 at 11:51 -0700, Borislav Petkov wrote: > On Sat, Aug 29, 2026 at 08:15:40PM +0200, Laurent Wandrebeck wrote: > > My homelab is indeed composed of 5 thinkcenter with a10-8770e, and > > desktop has fx-8370e. Actually I hit that bug running 26.04/7.0 and > > reproduced with 7.1, 7.2 so I dug a bit more and AI (I'm no kernel > > hacker) proposed this patch. I'll happily test and report on > > whatever > > you'll propose if that one does not fit. SSH+sudo access is > > possible too > > if you want. >=20 > Thanks, just please do not send HTML mails and put your reply under > the text > you're referring to when you reply. Like I just did. >=20 > Thx. >=20 Sorry about, replied from my phone without thinking about it. FYI, patched kernel has run a couple more days without any problem, and I=E2=80=99m now running 7.3-rc1 with the same patch flawlessly. [Tue Sep 1 06:55:41 2026] Kernel command line: BOOT_IMAGE=3D/vmlinuz- 7.3.0-rc1-hugetlbfix root=3D/dev/mapper/ubuntu--vg-ubuntu--lv ro hugepagesz=3D1024M hugepages=3D7 mitigations=3Doff crashkernel=3D2G-4G:320M= ,4G- 32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M [Tue Sep 1 06:55:42 2026] HugeTLB: registered 1.00 GiB page size, pre- allocated 7 pages Can I do anything else ? Best, --=20 Laurent Wandrebeck