linux-kernel - RE: [RFC PATCH v3 08/10] EDAC/amd64: Gather hardware information early

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Message-ID: <SN6PR12MB2639232DF612AD2B02CFAAA4F8BA0@SN6PR12MB2639.namprd12.prod.outlook.com>
Date:   Fri, 6 Sep 2019 20:49:52 +0000
From:   "Ghannam, Yazen" <Yazen.Ghannam@....com>
To:     Borislav Petkov <bp@...en8.de>
CC:     "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [RFC PATCH v3 08/10] EDAC/amd64: Gather hardware information
 early

> -----Original Message-----
> From: linux-edac-owner@...r.kernel.org <linux-edac-owner@...r.kernel.org> On Behalf Of Borislav Petkov
> Sent: Friday, September 6, 2019 3:35 PM
> To: Ghannam, Yazen <Yazen.Ghannam@....com>
> Cc: linux-edac@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [RFC PATCH v3 08/10] EDAC/amd64: Gather hardware information early
> 
> On Fri, Sep 06, 2019 at 07:14:57PM +0000, Ghannam, Yazen wrote:
> > This struct is used per channel, so we may have 2-8 per system.
> 
> Ah, true.
> 
> > We could fix it at the max (8). What do you think?
> 
> Anything in struct amd64_umc that is shared between those channels or
> all max 8 of them can be distinct?
> 


All the fields are register values, and there are unique instances for each channel. They can
potentially all be different.

Thanks,
Yazen