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Date: Thu, 28 Sep 2023 16:43:45 +0200
From: Borislav Petkov <>
To: Shuai Xue <>
Subject: Re: [RFC PATCH v2 0/9] Use ERST for persistent storage of MCE and
 APEI errors

On Mon, Sep 25, 2023 at 03:44:17PM +0800, Shuai Xue wrote:
> After /dev/mcelog character device deprecated by commit 5de97c9f6d85
> ("x86/mce: Factor out and deprecate the /dev/mcelog driver"), the
> serialized MCE error record, of previous boot in persistent storage is not
> collected via APEI ERST.

You lost me here. /dev/mcelog is deprecated but you can still use it and
apei_write_mce() still happens.

Looking at your patches, you're adding this to ghes so how about you sit
down first and explain your exact use case and what exactly you wanna



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