linux-kernel - Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool

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Message-ID: <5DB0FF8D-C6DA-45DC-B287-201A9BF48BDA@alien8.de>
Date: Sat, 10 Feb 2024 08:52:53 +0100
From: Borislav Petkov <bp@...en8.de>
To: "Naik, Avadhut" <avadnaik@....com>
CC: Sohil Mehta <sohil.mehta@...el.com>, x86@...nel.org,
 linux-edac@...r.kernel.org, tony.luck@...el.com,
 linux-kernel@...r.kernel.org, yazen.ghannam@....com,
 Avadhut Naik <avadhut.naik@....com>
Subject: Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool

On February 9, 2024 9:51:11 PM GMT+01:00, Borislav Petkov <bp@...en8.de> wrote:
>On Fri, Feb 09, 2024 at 02:35:12PM -0600, Naik, Avadhut wrote:
>> IIUC, this is exactly what the first patch in this series is trying to
>> accomplish.  Please correct me if I understood wrong.
>
>Yes, you did.
>
>I don't mean to extend it - I mean to allocate it from the very
>beginning to
>
>	min(4*PAGE_SIZE, num_possible_cpus() * PAGE_SIZE);

max() ofc.

>There's a sane minimum and one page pro logical CPU should be fine on
>pretty much every configuration...
>
>Thx.
>


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