From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3AE1517BB21 for ; Mon, 21 Sep 2026 06:04:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789970651; cv=none; b=T+FLI1jQQJw1uif7YwLCVhBxZl0qDRHMobtOih9SH47q2S9WCw7GeBqVy/60lrFupqnRXT5nam6WMlhI6XmhAeqjIGxZflbx+mPQnIMBJ3Byv0iAUpVb8XV2l6lcxURxtmMLCf6UlwAJ94EN8nqzlHzjRx5H87LcDN34qAdOi+4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789970651; c=relaxed/simple; bh=SiW8VYbRdslhkZd1aoPQ04ehRjQUzpE9XcCMDwR/6z0=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=ULyNhAPUvIMCzUKQlpGPUkQ6yWdbnHZaaMQlze8nIij8qjhzt0/iccTJbJJYRl+9+BjUrZ4Q1YBAZ9KwST42730pUCLX9GfsoISazL+GikNbwRh07jJFtZfEx361JmFIydkrozmJBS5AnsJ0gc/sUxoY4E6DKd7dKeG4j5NM8Go= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FQsrgGOY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FQsrgGOY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B05CE1F000FF; Mon, 21 Sep 2026 06:04:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789970649; bh=SiW8VYbRdslhkZd1aoPQ04ehRjQUzpE9XcCMDwR/6z0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=FQsrgGOYeIGdd9P4ydsGMVhLyznqP9Y67HAk8R0ZIc0N7oBWH2Toabn//FbzGj2uh HZEwYDN8OBzkaIWdwciq9O5o4MOqhDB6vPlLonmImi9pnfp6bkyr7Yk3NEM5RaLuef CUi/PMMR5V+k6lsuoU2SWaxFjL+2cberliCJ86nVNm907UQJEuR7omiFYRC1YOcu9o XB8Bnu7LEReK6maxVcsAP5F2xhIEM13J2D3DvnGQjU2gy/59rcWo+pNh+E3GHC0ipl ZO0yPw0WPCwptCelweIuDCvXzkldimFxAE90aHxsRhMU7nCoUuVUQ7Vn09DDso2sR0 5N5irzyoul91A== From: sashiko-bot@kernel.org Subject: Re: [PATCH v6 6/8] x86/amd_nb: Restrict the northbridge framework to AMD CPUs Reply-To: sashiko-reviews@lists.linux.dev To: "Lin Wang" Cc: linux-hwmon@vger.kernel.org In-Reply-To: <20260921055603.25112-7-wanglin@open-hieco.net> References: <20260921055603.25112-1-wanglin@open-hieco.net> <20260921055603.25112-7-wanglin@open-hieco.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 21 Sep 2026 06:04:09 +0000 Message-Id: <20260921060409.B05CE1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > The AMD northbridge cache previously discovered Hygon F3 devices by PCI > ID. It now derives the node count from CPU topology and locates node > functions at fixed PCI slots. Hygon DF devices do not follow that > layout, so the Hygon branch no longer builds a usable cache. >=20 > amd64_edac and ATL no longer use this cache on Hygon. Restrict > northbridge initialization and the early northbridge check to AMD CPUs. > Keep amd_get_mmconfig_range() available on Hygon because it reads the > MMCONFIG MSR without using the northbridge cache. >=20 > Signed-off-by: Lin Wang Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260921055603.2511= 2-1-wanglin@open-hieco.net?part=3D6