> -----Original Message----- > From: Bjorn Helgaas [mailto:bhelg...@google.com] > Sent: Thursday, April 20, 2017 2:33 PM > To: Haiyang Zhang <haiya...@microsoft.com> > Cc: linux-...@vger.kernel.org; KY Srinivasan <k...@microsoft.com>; > Stephen Hemminger <sthem...@microsoft.com>; o...@aepfle.de; > vkuzn...@redhat.com; driverdev-devel@linuxdriverproject.org; linux- > ker...@vger.kernel.org > Subject: Re: [PATCH] pci-hyperv: Use only 16 bit integer for PCI domain > > On Thu, Apr 20, 2017 at 11:35 AM, Haiyang Zhang > <haiya...@exchange.microsoft.com> wrote: > > From: Haiyang Zhang <haiya...@microsoft.com> > > > > This patch uses the lower 16 bits of the serial number as PCI > > domain, otherwise some drivers may not be able to handle it. > > Can you give any more details about this? Which drivers, for > instance? Why do drivers care about the domain at all? Can we or > should we make this more explicit and consistent in the PCI core, > e.g., pci_domain_nr() is currently defined to return "int"; maybe it > should be u32? (Although I think "int" is the same size as "u32" on > all arches anyway).
It's Nvidia driver. Piotr, could you explain why the driver expects 16 bit domain number? Thanks, - Haiyang _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
