linux-kernel - Re: [PATCH] x86/MCE/AMD, EDAC/mce_amd: Remove struct smca_hwid.xec

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Message-ID: <20200817093956.GC549@zn.tnic>
Date:   Mon, 17 Aug 2020 11:40:07 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Yazen Ghannam <Yazen.Ghannam@....com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        tony.luck@...el.com, x86@...nel.org
Subject: Re: [PATCH] x86/MCE/AMD, EDAC/mce_amd: Remove struct
 smca_hwid.xec_bitmap

On Mon, Jul 20, 2020 at 02:53:53PM +0000, Yazen Ghannam wrote:
> From: Yazen Ghannam <yazen.ghannam@....com>
> 
> The Extended Error Code Bitmap (xec_bitmap) for a Scalable MCA bank type
> was intended to be used by the kernel to filter out invalid error codes
> on a system. However, this is unnecessary because the hardware will only
> report valid error codes.

That's a kinda bold statement. :)

Are you saying, you wanna trust verification and that check is totally
useless?

Or is there another reason for removing it?

-- 
Regards/Gruss,
    Boris.

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