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Thu, 23 May 2024 09:54:55 +0800 Subject: Re: [PATCH v3 2/5] mm/madvise: Add MF_ACTION_REQUIRED to madvise(MADV_HWPOISON) To: Jane Chu , , , , , References: <20240521235429.2368017-1-jane.chu@oracle.com> <20240521235429.2368017-3-jane.chu@oracle.com> From: Miaohe Lin Message-ID: <9a0d8716-a33b-8b11-9de6-9791aef6fb7b@huawei.com> Date: Thu, 23 May 2024 09:54:54 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20240521235429.2368017-3-jane.chu@oracle.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.173.135.154] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500002.china.huawei.com (7.192.104.244) X-Rspamd-Queue-Id: 0C5A31C0002 X-Stat-Signature: ytskg6c8rprx4annmq5c97t7kmzzjgph X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1716429299-85546 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2024/5/22 7:54, Jane Chu wrote: > The soft hwpoison injector via madvise(MADV_HWPOISON) operates in > a synchrous way in a sense, the injector is also a process under > test, and should it have the poisoned page mapped in its address > space, it should get killed as much as in a real UE situation. > Doing so align with what the madvise(2) man page says: " > "This operation may result in the calling process receiving a SIGBUS > and the page being unmapped." > > Signed-off-by: Jane Chu > Reviewed-by: Oscar Salvador Acked-by: Miaohe Lin Thanks. .