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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-Archived-By: 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 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: D645840007 X-Stat-Signature: 68jjbewaifaf7osfma17rbd8gxncgysa X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1793178142-56413 X-HE-Meta: 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 BsgClG+6 hXvdhL00DVZiGUeMIYmpWss2rM9Fi8SYoCSJe76SlbBoshV9nBx7x/KLdIn/R3ps6/pUthq3+uVHm9q4sdB/oSYtVNZgz+WmDr2phQw8Eo1rLv8iZV3NOdunogjc/U7spKpUsrHnPkUgVZidqpsGC7eBvAu+LSgMxsHEca191EXgji7+2wMjSOPDoajCQ5d0NK+g2dijXGquzm2OHxioeO5tJos14VZ1OHxrGw+AqdHyjdC2ZjwPiy9dd4UuyoYno1birdd50CxHYqKdTVDxoYs/1Haj/wKIPS8XKHa1o291mfOxR1tPT04zT8M6aGtCU2mWeMA60xLOrGho1Et4HOW2CnQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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