From: Yazen Ghannam
Linux reads MCG_CAP[Count] to find the number of MCA banks visible to a
CPU. Currently, this is assumed to be the same for all CPUs and a
warning is shown if there is a difference. The number of banks is
overwritten with the MCG_CAP[Count] value of each following CPU that
boot
On Fri, Jul 27, 2018 at 04:40:09PM -0500, Yazen Ghannam wrote:
> - /* Don't support asymmetric configurations today */
> - WARN_ON(mca_cfg.banks != 0 && b != mca_cfg.banks);
> - mca_cfg.banks = b;
> + mca_cfg.banks = max(mca_cfg.banks, b);
Should we change mca_cfg.banks to be a per
> -Original Message-
> From: Luck, Tony
> Sent: Friday, July 27, 2018 5:09 PM
> To: Ghannam, Yazen
> Cc: linux-e...@vger.kernel.org; linux-kernel@vger.kernel.org; b...@suse.de;
> x...@kernel.org
> Subject: Re: [PATCH] x86/mce: Handle varying MCA bank counts
>
&
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