Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU counters

Borislav Petkov
2017-07-26T16:31:32Z

On Wed, Jul 26, 2017 at 09:19:49AM -0700, Greg KH wrote:
> On Wed, Jul 26, 2017 at 05:55:48PM +0200, Borislav Petkov wrote:
> > On Wed, Jul 26, 2017 at 05:45:15PM +0200, Jan Glauber wrote:
> > > The PMU/EDAC devices are all PCI devices do I need the 'struct pci_dev *'.
> > > I'm not aware of other ways to access these devices. Please enlighten
> > > me if I'm missing something.
> >
> > Me enlighten you on Cavium hardware?! You're funny.
> >
> > So I don't know whether the PCI hotplug code can run more than one
> > function upon PCI ID detection. Probably Greg will say, write a
> > multiplexer wrapper. :-)
>
> -ENOCONTEXT....
>
> Anyway, pci questions are best asked on the linux-pci@vger list. And
> yes, all PCI devices end up with a 'struct pci_dev *' automatically.

Simple: so they have a PCI ID of a memory contoller and want to hotplug
two drivers for it. And those two drivers should remain independent from
each other.

Thanks.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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