Re: [PATCH v6 06/13] PCI/P2PDMA: Add P2P DMA driver writer's documentation

[Bjorn Helgaas]

On Fri, Sep 21, 2018 at 12:03:12PM -0600, Logan Gunthorpe wrote:
> On 2018-09-21 10:41 AM, Bjorn Helgaas wrote:
> >> +away, the one returned will be chosen at random. This function returns the PCI
> > 
> > s/the one returned will be chosen at random/one will be chosen
> > arbitrarily/ ?  (I doubt it's really random)
> 
> You're the second person to ask this, but yes, we really do it randomly.
> Such that if there are multiple drivers getting resources they should be
> evenly distributed. It's not the ideal solution but if it were to do it
> arbitrarily then the code would likely return the same device all the
> time and any additional devices would not get used.

Ah, I see, I should have searched for "random" in that patch and answered
my own question :)  Sorry for the noise.

Bjorn