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Date:   Tue, 26 Mar 2019 08:56:51 +0100
From:   Borislav Petkov <>
To:     "Ghannam, Yazen" <>
Cc:     "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [PATCH v4 1/2] x86/MCE: Add function to allow filtering of MCA

On Mon, Mar 25, 2019 at 04:34:22PM +0000, Ghannam, Yazen wrote:
> From: Yazen Ghannam <>
> Some systems may report spurious MCA errors. In general, spurious MCA
> errors may be disabled by clearing a particular bit in MCA_CTL. However,
> clearing a bit in MCA_CTL may not be recommended for some errors, so the
> only option is to ignore them.
> An MCA error is printed and handled after it has been added to the MCE
> event pool. So an MCA error can be ignored by not adding it to the pool.
> Define a default function that does not filter any errors.
> Check if an MCA error should be filtered out when adding it to the MCE
> event pool.
> Cc: <> # 5.0.x

The old version of the patches had 4.14.x here as a kernel version. Why


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