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Message-ID: <CAPcxDJ6qnrkuckxm6KkoONZZh5Q-H3-CkFiWq627p5OF3GKJ4Q@mail.gmail.com>
Date: Fri, 30 Jul 2021 23:30:02 -0700
From: Jue Wang <juew@...gle.com>
To: "Luck, Tony" <tony.luck@...el.com>
Cc: Borislav Petkov <bp@...en8.de>, dinghui@...gfor.com.cn,
huangcun@...gfor.com.cn, Jue Wang <juew@...gle.com>,
linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
HORIGUCHI NAOYA(堀口 直也)
<naoya.horiguchi@....com>, Oscar Salvador <osalvador@...e.de>,
x86 <x86@...nel.org>, "Song, Youquan" <youquan.song@...el.com>
Subject: RE: [PATCH 2/3] x86/mce: Avoid infinite loop for copy from user recovery
Been busy with some other work.
After cherry picking patch 1 & 2, I saw the following with 2 UC errors injected
into the user space buffer passed into write(2), as expected:
[ 287.994754] Kernel panic - not syncing: Machine checks to different
user pages
The kernel tested with has its x86/mce and mm/memory-failure aligned with
upstream till around 2020/11.
Is there any other patch that I have missed to the write syscall etc?
Thanks,
-Jue
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