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

From: Ghannam, Yazen
Date: Fri Sep 06 2019 - 16:49:58 EST


> -----Original Message-----
> From: linux-edac-owner@xxxxxxxxxxxxxxx <linux-edac-owner@xxxxxxxxxxxxxxx> On Behalf Of Borislav Petkov
> Sent: Friday, September 6, 2019 3:35 PM
> To: Ghannam, Yazen <Yazen.Ghannam@xxxxxxx>
> Cc: linux-edac@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> 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