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Sat, 08 Mar 2025 19:36:13 +0800 Message-ID: Date: Sat, 8 Mar 2025 19:36:12 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/3] mm/hwpoison: Fix regressions in memory failure handling To: "Luck, Tony" , "bp@alien8.de" , "peterz@infradead.org" , "catalin.marinas@arm.com" , "yazen.ghannam@amd.com" , "akpm@linux-foundation.org" , "linmiaohe@huawei.com" , "nao.horiguchi@gmail.com" Cc: "tglx@linutronix.de" , "mingo@redhat.com" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "jpoimboe@kernel.org" , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "baolin.wang@linux.alibaba.com" , "tianruidong@linux.alibaba.com" References: <20250307054404.73877-1-xueshuai@linux.alibaba.com> From: Shuai Xue In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 7C80D140002 X-Stat-Signature: 751eftt9oze5s1a6tdbbj5rhqh9qjcin X-Rspam-User: X-HE-Tag: 1741433778-418025 X-HE-Meta: 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 UY0RN67N ASSpmUvzzsrD9yrjzzedkJNipSaZ6lsjbCq9HS+hxVpL3Jrzjj5L8BpieC7dN/1n3Qi5NhNARgDg7OO+0ozo0lu5HuWavs5FzJwlAlNWIy0ZSPkXcXkbsWA6Qzlw675uVdemlVnFcemuIN2wj0spKTW1nNcc30P+AmJgPgVDC8yJLsc6K7Vt0b3JkNLWhSgJsYWeODA2fwcm3WTXVjVlmCg9iU2i35z14ivUA97nfqmiYEHGnMGY/MyqaHl3XsiE2VbkVwqRqvdI22Ghki8KPT5kQKKQ4D0hhtGcDxQAQx8gCYm8kNwcz0NhP6Jq7fqhuvAyNKw+8KtNajiUdQmpjagl9sEf7GnKBPfGVKPCTt0XEHlH12krCvN4kBGMlCzRBtRlk3fLjWnCrpaygMzmpKNfp3++EECTxRh0m X-Bogosity: Ham, tests=bogofilter, spamicity=0.001449, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 在 2025/3/8 01:20, Luck, Tony 写道: >> ## 1. What am I trying to do: >> >> This patch resolves two critical regressions related to memory failure >> handling that have appeared in the upstream kernel since version 5.17, as >> compared to 5.10 LTS. >> >> - copyin case: poison found in user page while kernel copying from user space >> - instr case: poison found while instruction fetching in user space > > Tested the instruction, copyin, and futex cases. They all pass now. > > Thanks! > > Tested-by: Tony Luck > > -Tony Thanks for your help. Best Regards, Shuai