RE: [PATCH 2/8] EDAC/amd64: Support more than two controllers for chip selects handling

[Ghannam, Yazen]

> -----Original Message-----
> From: Borislav Petkov <bp@xxxxxxxxx>
> Sent: Thursday, June 13, 2019 9:17 AM
> To: Ghannam, Yazen <Yazen.Ghannam@xxxxxxx>
> Cc: linux-edac@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 2/8] EDAC/amd64: Support more than two controllers for chip selects handling
> 
> On Fri, May 31, 2019 at 11:45:12PM +0000, Ghannam, Yazen wrote:
> > diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
> > index 9fa2f205f05c..dd60cf5a3d96 100644
> > --- a/drivers/edac/amd64_edac.c
> > +++ b/drivers/edac/amd64_edac.c
> > @@ -943,91 +943,101 @@ static void prep_chip_selects(struct amd64_pvt *pvt)
> >  		pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
> >  		pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
> >  	} else if (pvt->fam >= 0x17) {
> > -		pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4;
> > -		pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2;
> > +		int umc;
> > +
> > +		for_each_umc(umc) {
> > +			pvt->csels[umc].b_cnt = 4;
> > +			pvt->csels[umc].m_cnt = 2;
> > +		}
> > +
> 
> What is the purpose of the previous commit if you're changing it here in
> the next one?
> 

The first patch is meant as a fix for existing systems, and this patch is to add new functionality.

I can merge them together if you think that's more appropriate.

Thanks,
Yazen