linux-kernel - Re: [PATCH v4 0/3] mm/hwpoison: Fix regressions in memory failure handling

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Message-ID: <f3d7f5ad-31c2-4221-83ab-2b55e1d2c662@linux.alibaba.com>
Date: Sat, 8 Mar 2025 19:36:12 +0800
From: Shuai Xue <xueshuai@...ux.alibaba.com>
To: "Luck, Tony" <tony.luck@...el.com>, "bp@...en8.de" <bp@...en8.de>,
 "peterz@...radead.org" <peterz@...radead.org>,
 "catalin.marinas@....com" <catalin.marinas@....com>,
 "yazen.ghannam@....com" <yazen.ghannam@....com>,
 "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
 "linmiaohe@...wei.com" <linmiaohe@...wei.com>,
 "nao.horiguchi@...il.com" <nao.horiguchi@...il.com>
Cc: "tglx@...utronix.de" <tglx@...utronix.de>,
 "mingo@...hat.com" <mingo@...hat.com>,
 "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
 "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
 "jpoimboe@...nel.org" <jpoimboe@...nel.org>,
 "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-mm@...ck.org" <linux-mm@...ck.org>,
 "baolin.wang@...ux.alibaba.com" <baolin.wang@...ux.alibaba.com>,
 "tianruidong@...ux.alibaba.com" <tianruidong@...ux.alibaba.com>
Subject: Re: [PATCH v4 0/3] mm/hwpoison: Fix regressions in memory failure
 handling



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.luck@...el.com>
> 
> -Tony

Thanks for your help.

Best Regards,
Shuai