From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C491E1F5847 for ; Tue, 30 Sep 2025 18:07:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759255624; cv=none; b=iY7krCcoLM3EzsXDs+EL9UgXBGLMHxilDhA6fNv+882mlEyXt6y9SbqZWbeZcpqFWXEpxygspe3sfuA0SLibCdx5DYyqh8qIv/SYkjFRSFa1YeXT4V9pF0TK4A6r2+4BcnXW8CLZpPOHzcIi3aPEdmdbwyQNCFM5EHTXn6gHGrM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759255624; c=relaxed/simple; bh=e88PK1550TwXdpNHVoIH23dZq982DbcOeH15tOlEHSI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=MjTp9kBya/4OQY6dJPPCQYNsr/JcHrSSu0auzSy/RST34sMWywX450d1CgF9bbcNBLcKM+ghYs5XF1jtnE7UV87Mze+0YVhzDiLc2uhl4yrDkUntxCgPSqeqJ4Ir5K1Ykw8W+gnR7mZ0W5lmneagcJxxpr4tiQJaCSHplSgWLIk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=czmSVlnP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="czmSVlnP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5629C4CEF0; Tue, 30 Sep 2025 18:07:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759255624; bh=e88PK1550TwXdpNHVoIH23dZq982DbcOeH15tOlEHSI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=czmSVlnPPYpkVZHNoJS5Ue5LsO9/ctsskKKlKQ1Kj4FNTcvgeKQOkJC/yb3vL68Ir zuo+MWJUG4lsT+GFDpB2JQ6PYJLHqV6V2gdlNGly6kkt03/S3yQxmzjQ8I733gnP61 q4wWFciFV/TEM97AtwLivWA+o11S4O8hwbvHt3w0AK8xSnAta24kiTaO5ideyFDj3j OZEoSoR91tpP01cwPNLqFP7f3bWnlvCIBUS6USExY+o4AflBnWgcI7v4FZHJdGOzyn Kqzoeg2mBCGWgdl8rmRR10NJJhRHZOQ5tgM4jQb0U4uvuRWVzvWMpWd65al19Rr0yC e3FJWGZ1VgapA== Message-ID: <83af8076-0c18-40e6-833b-1b761af2e1b9@kernel.org> Date: Tue, 30 Sep 2025 13:07:02 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] AMD root search fix To: Yazen Ghannam , x86@kernel.org Cc: linux-kernel@vger.kernel.org, Filip Barczyk References: <20250930-fix-amd-root-v1-0-ce28731c349f@amd.com> Content-Language: en-US From: "Mario Limonciello (AMD) (kernel.org)" In-Reply-To: <20250930-fix-amd-root-v1-0-ce28731c349f@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/30/2025 11:45 AM, Yazen Ghannam wrote: > Hi all, > > Recently, there have been a couple of reports of the AMD64 EDAC module > failing to load on v6.14+. > > This has been root caused to the recent AMD node rework. Specifically, > the root device caching method breaks on non-reference boards. > > Patch 1 is a proposed fix. > > Patch 2 is a minor cleanup. > > Thanks, > Yazen > > --- > Yazen Ghannam (2): > x86/amd_node: Fix AMD root device caching > x86/amd_node: Use new root search helper > > arch/x86/include/asm/amd/node.h | 1 - > arch/x86/kernel/amd_node.c | 107 ++++++++++++++-------------------------- > 2 files changed, 37 insertions(+), 71 deletions(-) > --- > base-commit: 30d4efb2f5a515a60fe6b0ca85362cbebea21e2f > change-id: 20250930-fix-amd-root-2a6529e8162a > Reviewed-by: Mario Limonciello (AMD)