linux-kernel - RE: [PATCH 3/7] EDAC/mc: Add new HBM2 memory type

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Message-ID: <DM8PR11MB56699B74F47AF7EFB4FB997389E29@DM8PR11MB5669.namprd11.prod.outlook.com>
Date:   Tue, 20 Jul 2021 12:13:37 +0000
From:   "Zhuo, Qiuxu" <qiuxu.zhuo@...el.com>
To:     "Luck, Tony" <tony.luck@...el.com>,
        Yazen Ghannam <yazen.ghannam@....com>,
        Naveen Krishna Chatradhi <nchatrad@....com>
CC:     "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "bp@...en8.de" <bp@...en8.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "mchehab@...nel.org" <mchehab@...nel.org>
Subject: RE: [PATCH 3/7] EDAC/mc: Add new HBM2 memory type

> From: Luck, Tony <tony.luck@...el.com>
> ...
> That commit makes the normal vs. HBM error visible in the DIMM label (by
> prefixing the "MC" for memory controller with "HB".
> 
> +       if (imc->hbm_mc)
> +               snprintf(dimm->label, sizeof(dimm->label),
> "CPU_SrcID#%u_HBMC#%u_Chan#%u",
> +                        imc->src_id, imc->lmc, chan);
> +       else
> +               snprintf(dimm->label, sizeof(dimm->label),
> "CPU_SrcID#%u_MC#%u_Chan#%u_DIMM#%u",
> +                        imc->src_id, imc->lmc, chan, dimmno);
> 
> Perhaps we should also set the "type" of the DIMMs.  Qiuxu: opinion?

Yes, we should. I'll make a patch for it. 

Thanks!
-Qiuxu