RE: [PATCH] PCI: allow drivers to limit the number of VFs to 0

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> -----Original Message-----
> From: Bjorn Helgaas [mailto:helgaas@xxxxxxxxxx]
> Sent: Friday, May 25, 2018 10:01 AM
> To: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>; linux-pci@xxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx; Sathya Perla <sathya.perla@xxxxxxxxxxxx>; Felix
> Manlunas <felix.manlunas@xxxxxxxxxxxxxxxxxx>;
> alexander.duyck@xxxxxxxxx; john.fastabend@xxxxxxxxx; Keller, Jacob E
> <jacob.e.keller@xxxxxxxxx>; Donald Dutile <ddutile@xxxxxxxxxx>; oss-
> drivers@xxxxxxxxxxxxx; Christoph Hellwig <hch@xxxxxxxxxxxxx>; Derek
> Chickles <derek.chickles@xxxxxxxxxxxxxxxxxx>; Satanand Burla
> <satananda.burla@xxxxxxxxxxxxxxxxxx>; Raghu Vatsavayi
> <raghu.vatsavayi@xxxxxxxxxxxxxxxxxx>; Ajit Khaparde
> <ajit.khaparde@xxxxxxxxxxxx>; Sriharsha Basavapatna
> <sriharsha.basavapatna@xxxxxxxxxxxx>; Somnath Kotur
> <somnath.kotur@xxxxxxxxxxxx>; Kirsher, Jeffrey T
> <jeffrey.t.kirsher@xxxxxxxxx>; intel-wired-lan@xxxxxxxxxxxxxxxx
> Subject: Re: [PATCH] PCI: allow drivers to limit the number of VFs to 0
> 
> [+cc liquidio, benet, fm10k maintainers:
> 
>   The patch below will affect you if your driver calls
>     pci_sriov_set_totalvfs(dev, 0);
> 
>   Previously that caused a subsequent pci_sriov_get_totalvfs() to return
>   the totalVFs value from the SR-IOV capability.  After this patch, it will
>   return 0, which has implications for VF enablement via the sysfs
>   "sriov_numvfs" file.]
> 

Thanks. I don't foresee any issues with fm10k regarding this..

Thanks,
Jake



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