linux-kernel - Re: [PATCH 2/4] x86/amd_nb: add support for newer PCI topologies

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Message-ID: <20181107194955.GA19346@amd.com>
Date:   Wed, 7 Nov 2018 19:50:01 +0000
From:   "Woods, Brian" <Brian.Woods@....com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Bjorn Helgaas <helgaas@...nel.org>,
        "Woods, Brian" <Brian.Woods@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        Clemens Ladisch <clemens@...isch.de>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>, Pu Wen <puwen@...on.cn>,
        Jia Zhang <qianyue.zj@...baba-inc.com>,
        Takashi Iwai <tiwai@...e.de>,
        Andy Whitcroft <apw@...onical.com>,
        Colin Ian King <colin.king@...onical.com>,
        Myron Stowe <myron.stowe@...hat.com>,
        Sumeet Pawnikar <sumeet.r.pawnikar@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 2/4] x86/amd_nb: add support for newer PCI topologies

On Wed, Nov 07, 2018 at 05:07:07PM +0100, Borislav Petkov wrote:
> Thanks for explaining.
> 
> So I don't know about temp sensors - I'm talking about amd_nb which is
> something... well, I explained already what it is in my previous mail so
> I won't repeat myself.
> 
> Anyway, if there is such a PNP ID device - and I believe I have stumbled
> upon some blurb about it in the BKDGs - which says "this device
> represents the PCI device IDs of a CPU" and if that can be used to
> register amd_nb through it, then sure, I don't see why not.
> 
> This way, when new CPU comes out and the same PNP ID device is present,
> amd_nb would load, sure.
> 
> Maybe Brian knows more on the subject...
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> Good mailing practices for 400: avoid top-posting and trim the reply.

More on exactly what?

If it's the PNP ID device, if you can let me know where in the BKDG you
found it before so I can look for keywords etc?  Because I'd need to
find those for k8 onwards so.

-- 
Brian Woods