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

Greg KH gregkh at linuxfoundation.org
Wed Jul 26 09:19:49 PDT 2017


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 at vger list.  And
yes, all PCI devices end up with a 'struct pci_dev *' automatically.

thanks,

greg k-h



More information about the linux-arm-kernel mailing list