Messages in this thread | | | From | Bjorn Helgaas <> | Date | Tue, 19 Nov 2013 17:07:35 -0700 | Subject | Re: [PATCH] PCI: Init NumVFs register to zero in sriov_init() |
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On Tue, Nov 19, 2013 at 3:24 PM, Bjorn Helgaas <bhelgaas@google.com> wrote: > [+cc linux-pci] > > On Wed, Nov 6, 2013 at 7:49 AM, ethan.zhao <ethan.kernel@gmail.com> wrote: >> Though no specification about NumVFs register initial value after POST, to void the confusion >> lspci output as following before VF was enabled, we should clear the NumVFs value left by BIOS >> to zero: >> >> $lspci -vvv -s 03:00.0 >> Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01) >> ~ >> Capabilities: [160 v1] Single Root I/O Virtualization (SR-IOV) >> IOVCap: Migration-, Interrupt Message Number: 000 >> IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy+ >> IOVSta: Migration- >> Initial VFs: 64, Total VFs: 64, Number of VFs: 64, Function Dependency Link: 00 >> ^dazed !
Did you mean to show lspci output from before SR-IOV was enabled? It looks like SR-IOV is enabled here, so I don't think your patch would change this output at all.
Bjorn
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