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 4845133B6E3; Thu, 5 Feb 2026 22:58:43 +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=1770332324; cv=none; b=ukyTwayKkJKOFbbBsmGjueiEDtwRQjPmjNLY1TW3wa3CbUSnz8C4tH4dGHvCgbYyaxyv9VlEYAq2P/8E2RwUXHq2EQPL2mky50QvayicYLSh4FxMJDwX1i/vJFQZy5IaMTgy1tO5EcSvv81d4XESt5B8s9SBxvrrnc46urc2IjA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770332324; c=relaxed/simple; bh=YcdYFHMV89lA40rLxsDkCLWE5HLfI7sYULz4cHVw3dM=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=h6L+9oGuGBz3b16fP4B/rCQrsfsJPMThtfKjfKvwsqhamWNsg8Btn5Wa8AC8VIZrc1qMvJEVlnQb5rHc3T9leduJM8NBg1aaqkXrqJOgFiLihRyoe6cPcDoUmeTeOvE7hzSAsFiXlwm2qt5kPgF3gbrngy1sSZ0qqusCDKppvo8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=c0aWC5+L; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="c0aWC5+L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63FF7C19423; Thu, 5 Feb 2026 22:58:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1770332323; bh=YcdYFHMV89lA40rLxsDkCLWE5HLfI7sYULz4cHVw3dM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=c0aWC5+L57nNvj/7wYjE3r/jAClMP5119gbGWg1Ud5StPtmLAOOLTjWAHdWxbdsOE RNa2XJNFGH8kF7/FRvT6UgCrqvxJMPkvdaRW751gVIHroXiZyq9tt39NHxyKVaIuO2 ejuqUNvWvImkGDwb6SoRV8QG/6VyFD7VE9x5aLck= Date: Thu, 5 Feb 2026 14:58:42 -0800 From: Andrew Morton To: Cui Chao Cc: Gregory Price , dan.j.williams@intel.com, Jonathan Cameron , Mike Rapoport , Wang Yinfeng , linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2 1/1] mm: numa_memblks: Identify the accurate NUMA ID of CFMW Message-Id: <20260205145842.efb90572a902ae4c481e6ef6@linux-foundation.org> In-Reply-To: References: <20260106031042.1606729-1-cuichao1753@phytium.com.cn> <20260106031042.1606729-2-cuichao1753@phytium.com.cn> <20260108094812.8757ce3ad8370668eaafb29c@linux-foundation.org> <9132054c-3017-4af0-84e0-e4359b0794a6@phytium.com.cn> <20260115101858.85fd7b8e837c1c92a4fdc5f0@linux-foundation.org> <696944eca1837_34d2a10056@dwillia2-mobl4.notmuch> <2d1e23ad-7ec1-483b-88b3-70ce19b69106@phytium.com.cn> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 26 Jan 2026 17:06:52 +0800 Cui Chao wrote: > > All that said, this does look harmless, and seems reasonable - but the > > changelog should reflect what the hardware is doing above. > This issue was discovered on the QEMU platform. I need to apologize for > my earlier imprecise statement (claiming it was hardware instead of > QEMU). My core point at the time was to emphasize that this is a problem > in the general code path when facing this scenario, not a QEMU-specific > emulation issue, and therefore it could theoretically affect real > hardware as well. I apologize for any confusion this may have caused. This patch doesn't sounds very urgent. Perhaps we should do a v3 with updated changelog and handle that in the next -rc cycle?