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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Qu0TDpHX; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53318606A31C for ; Wed, 28 Oct 2026 09:02:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Qu0TDpHX Received: by smtp.kernel.org (Postfix) with ESMTPSA id C67401F01825; Wed, 28 Oct 2026 09:02:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793178141; bh=ZOwWNn0gibZHQc2EDK+4gHhTei1ryqyCLAasJqC6i4o=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Qu0TDpHXppHbMLw4Ywd+W68Z2SfmHz0TSYxcDxEchzKQqHss7RIfbsrtyFD87s5Q9 0iI6Qr624LOBrqBHxGMtERKfUAa/HKE8mWaVw0hbBJ2e21B7j4NNdJODu0gyHVb2SL BEJevBBCi+NSSGcu3ly1Rw/sHhdahONR+m6Z7LAoIrbmQ+RrAHNnd5WXFDspJ70IcO 5nUR8VBsy33Z4cAf64TYz0NJjlJ4ZfHTFQ/xSZ96OAmmEzfxC5YBtCsPsTXZN7983+ 9EEmtAb2aVXpHG3i63jwsyDqoj4i3Yv/mGK5yuHjKno3Ca/l+P6yavYF2v8982ERIW /sl9Z0WE6OBsw== Message-ID: Date: Wed, 28 Oct 2026 10:02:15 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] mm: don't migrate folios containing hwpoisoned pages To: Yuanhe Shu 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 References: <20261026025552.1427901-1-xiangzao@linux.alibaba.com> <18602383-2326-4e54-8dec-bb695ae8878e@kernel.org> <20261027120854.1213156-1-xiangzao@linux.alibaba.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/27/26 13:08, Yuanhe Shu wrote: > 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. Why is that a problem? Why do you care? -- Cheers, David