From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=115.124.30.111 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793102948; b=oNB1/k4rBi99KqFGpEi4b/4+XdH2vuj3fHrbalhi575vdQX2SXPXytf9px0Ml12Rkb75 OJ8f6fYjbJdiX43XtkzMMJDo35enOZ60S8RT/JfX47eY7KuHTrP7lD/OQNje54VkZmxXC +020tjWWThwLhkvCvTducspcsoBhfBx3N4qJEv/hCgCZSNOvh/mFVE7SDHcisz5cnupVB ea88lvv0emzGJgaBldBrBUyi0hozxKVIcoEba+kIB92GH8LO8osTJPO61Tq83Gf8xl2Qi IsfF9yAYBYkXe5jqH94XLdJ8XAAoF7UTonDyBFHSFEekyIRu9aEQKkieB6XR3Sawqng== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793102948; h=DMARC-Filter:DKIM-Signature:X-Alimail-AntiSpam:Received:From:To:Cc: Subject:Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=oVLS0bNhd33XdBKUQzjPQnNldzAdOSb/v4EXvCbIPzY=; b=rYflONhA5OSArqzGgZ5F28v5hktJD9TWKYSRRq5uCAaaID6ziX8qanRyR5okUTOSJOnP Ym24z1PpI38zWdyVeQpmRK7RS+z82v8sxH836bjMki4cFb3uFp4XPrCi19QhzecIppXyG fANRI44CvDNe1Mf5Rd4idAqShakl8vPfXQIOvKD96BPZ3UU53THWfm+yRQCTxD55tc4tJ 6Dcc0r3rjZGAn4N9Ez5bbt2bxVarri0xSVu8UGugRCJ0pgc25kdGp9IS2TKGIrQNhcKgb jIJuRz7oMg3YxoLl6ZaifSIbrJPvI1od+QPF/Etb4f0mfqdFIkAEwfeGf6sEZ23mzYQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=XcrkGhai; arc=none smtp.remote-ip=115.124.30.111 Received: from out30-111.freemail.mail.aliyun.com (out30-111.freemail.mail.aliyun.com [115.124.30.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DD73606A31B for ; Tue, 27 Oct 2026 12:09:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 6DD73606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.a=rsa-sha256 header.s=default header.b=XcrkGhai DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1793102944; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=oVLS0bNhd33XdBKUQzjPQnNldzAdOSb/v4EXvCbIPzY=; b=XcrkGhaiPYe0LAs47up1WhkQnpdUAVzHDIC3OW2DEzFqlwjW94fQ6sNtasZ3D9uU9mJGaMhJvikn+grr/OxE4PrD1b4VvP2KfFVWBJaggoxHMRLoGRylQy7A65XwJ3rJdaw7fE36igBTZtCvTOpoYF2Vv4yHGP5ppuZxXvjW2cI= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033032089153;MF=xiangzao@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0XDdhbck_1793102934; Received: from banye.tbsite.net(mailfrom:xiangzao@linux.alibaba.com fp:SMTPD_---0XDdhbck_1793102934 cluster:ay36) by smtp.aliyun-inc.com; Tue, 27 Oct 2026 20:09:02 +0800 From: Yuanhe Shu To: david@kernel.org Cc: akpm@linux-foundation.org, "Huang, Ying" , "Kaitao Cheng" , vbabka@kernel.org, linmiaohe@huawei.com, nao.horiguchi@gmail.com, ziy@nvidia.com, wangkefeng.wang@huawei.com, tujinjiang@huawei.com, mgorman@techsingularity.net, chengkaitao@kylinos.cn, muchun.song@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, xiangzao@linux.alibaba.com Subject: Re: [PATCH v2 0/2] mm: don't migrate folios containing hwpoisoned pages Date: Tue, 27 Oct 2026 20:08:54 +0800 Message-ID: <20261027120854.1213156-1-xiangzao@linux.alibaba.com> X-Mailer: git-send-email 2.43.7 In-Reply-To: <18602383-2326-4e54-8dec-bb695ae8878e@kernel.org> References: <20261026025552.1427901-1-xiangzao@linux.alibaba.com> <18602383-2326-4e54-8dec-bb695ae8878e@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The fallback check does not compile on x86_64. There, folio_mc_copy() only catches a synchronous #MC at the copy, and software-injected poison never triggers one. The bug was reproduced and measured on x86_64, so I think the series is still needed on the arch it was found on. -- Yuanhe