linux-kernel - Re: [PATCH] EDAC/amd64: Do not load EDAC driver when running as a guest

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YOPrRh/3gZ3JETlh@zn.tnic>
Date:   Tue, 6 Jul 2021 07:33:58 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Jack Wang <jinpu.wang@...os.com>
Cc:     linux-edac@...r.kernel.org, yazen.ghannam@....com,
        tony.luck@...el.com, mchehab@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] EDAC/amd64: Do not load EDAC driver when running as a
 guest

On Tue, Jul 06, 2021 at 07:08:33AM +0200, Jack Wang wrote:
> Similar to commit f0a029fff4a5 ("EDAC/Intel: Do not load EDAC driver when running as a guest")
> 
> There's little to no point in loading an EDAC driver running in a guest.
> 
> Add a check in each of the Intel EDAC drivers for X86_FEATURE_HYPERVISOR
> and simply return -ENODEV in the init routine.

Did you even read this sentence before leaving it in the commit message
or you simply copied the commit message of f0a029fff4a5 blindly?

Also:

https://lore.kernel.org/linux-edac/20210628172740.245689-1-Smita.KoralahalliChannabasappa@amd.com/

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette