On Tue, Feb 24, 2015 at 02:34:13AM -0600, Bjorn Helgaas wrote: > From: Wei Yang <weiy...@linux.vnet.ibm.com> > > If we're going to reassign resources with flag PCI_REASSIGN_ALL_RSRC, all > resources will be cleaned out during device header fixup time and then get > reassigned by PCI core. However, the VF resources won't be reassigned and > thus, we shouldn't clean them out. > > If the pci_dev is a VF, skip the resource unset process.
I think this patch is correct, but we should include a little more detail in the changelog to answer questions like mine and Ben's (http://lkml.kernel.org/r/1423528584.4924.70.ca...@au1.ibm.com). > Signed-off-by: Wei Yang <weiy...@linux.vnet.ibm.com> > Signed-off-by: Bjorn Helgaas <bhelg...@google.com> > --- > arch/powerpc/kernel/pci-common.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/powerpc/kernel/pci-common.c > b/arch/powerpc/kernel/pci-common.c > index 2a525c938158..82031011522f 100644 > --- a/arch/powerpc/kernel/pci-common.c > +++ b/arch/powerpc/kernel/pci-common.c > @@ -788,6 +788,10 @@ static void pcibios_fixup_resources(struct pci_dev *dev) > pci_name(dev)); > return; > } > + > + if (dev->is_virtfn) > + return; > + > for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { > struct resource *res = dev->resource + i; > struct pci_bus_region reg; > _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
