l.org; Kirsher,
> >> > Jeffrey T
> >> > ; k...@vger.kernel.org; bhelg...@google.com;
> >> > linux-...@vger.kernel.org
> >> > Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
> >> >
> >> > On Sat, 2017-10-28 at 2
017 8:39 AM
>> > To: Christoph Hellwig ; Duyck, Alexander H
>> >
>> > Cc: Wang, Liang-min ;
>> > alex.william...@redhat.com; linux-kernel@vger.kernel.org; Kirsher, Jeffrey
>> > T
>> > ; k...@vger.kernel.org; bhelg...@google.com;
>> > linux
t; > Cc: Wang, Liang-min ;
> > alex.william...@redhat.com; linux-kernel@vger.kernel.org; Kirsher, Jeffrey T
> > ; k...@vger.kernel.org; bhelg...@google.com;
> > linux-...@vger.kernel.org
> > Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
> >
> > On Sat
On Tue, Oct 24, 2017 at 01:04:26PM -0700, Jeff Kirsher wrote:
> From: Liang-Min Wang
>
> When a SR-IOV supported device is bound with vfio-pci, the driver
> could not create SR-IOV instance through /sys/bus/pci/devices/...
> /sriov_numvfs. This patch re-activates this capability for a PCIe
> dev
sher, Jeffrey T
> ; k...@vger.kernel.org; bhelg...@google.com;
> linux-...@vger.kernel.org
> Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
>
> On Sat, 2017-10-28 at 23:16 -0700, Christoph Hellwig wrote:
> > On Fri, Oct 27, 2017 at 11:20:41PM +, Duyck, Alexander H wrote:
On Sat, 2017-10-28 at 23:16 -0700, Christoph Hellwig wrote:
> On Fri, Oct 27, 2017 at 11:20:41PM +, Duyck, Alexander H wrote:
> >
> > I don't see this so much as a security problem per-se. It all depends
> > on the hardware setup. If I recall correctly, there are devices where
> > the PF funct
On Sat, Oct 28, 2017 at 11:16 PM, Christoph Hellwig wrote:
> On Fri, Oct 27, 2017 at 11:20:41PM +, Duyck, Alexander H wrote:
>> I don't see this so much as a security problem per-se. It all depends
>> on the hardware setup. If I recall correctly, there are devices where
>> the PF function does
On Fri, Oct 27, 2017 at 11:20:41PM +, Duyck, Alexander H wrote:
> I don't see this so much as a security problem per-se. It all depends
> on the hardware setup. If I recall correctly, there are devices where
> the PF function doesn't really do much other than act as a bit more
> heavy-weight VF
ber 24, 2017 6:07 PM
> > > To: Wang, Liang-min
> > > Cc: Kirsher, Jeffrey T ;
> > > k...@vger.kernel.org;
> > > linux-...@vger.kernel.org; linux-kernel@vger.kernel.org;
> > > bhelg...@google.com; Duyck, Alexander H
> > > Subject: Re: [PATCH] Enabl
...@google.com; Duyck, Alexander H
> Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
>
> On Fri, 27 Oct 2017 21:50:43 +
> "Wang, Liang-min" wrote:
>
> > > -Original Message-
> > > From: Alex Williamson [mailto:alex.william...@re
frey T ; k...@vger.kernel.org;
> > linux-...@vger.kernel.org; linux-kernel@vger.kernel.org;
> > bhelg...@google.com; Duyck, Alexander H
> > Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
> >
> > On Tue, 24 Oct 2017 21:49:15 +
> > "Wang, Liang-min
...@google.com; Duyck, Alexander H
> Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
>
> On Tue, 24 Oct 2017 21:49:15 +
> "Wang, Liang-min" wrote:
>
> > Just like any PCIe devices that supports SR-IOV. There are restrictions set
> > for
&g
frey T ; k...@vger.kernel.org;
> > linux-...@vger.kernel.org; linux-kernel@vger.kernel.org;
> > bhelg...@google.com; Duyck, Alexander H
> > Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
> >
> > On Tue, 24 Oct 2017 21:49:15 +
> > "Wang, Liang-min
...@google.com; Duyck, Alexander H
> Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
>
> On Tue, 24 Oct 2017 21:49:15 +
> "Wang, Liang-min" wrote:
>
> > Just like any PCIe devices that supports SR-IOV. There are restrictions set
> > for
&g
On Tue, 24 Oct 2017 21:49:15 +
"Wang, Liang-min" wrote:
> Just like any PCIe devices that supports SR-IOV. There are restrictions set
> for VF. Also, there is a concept of trust VF now available for PF to manage
> certain features that only selected VF could exercise. Are you saying all the
m; Duyck, Alexander H
> Subject: Re: [PATCH] Enable SR-IOV instantiation through /sys file
>
> On Tue, 24 Oct 2017 13:04:26 -0700
> Jeff Kirsher wrote:
>
> > From: Liang-Min Wang
> >
> > When a SR-IOV supported device is bound with vfio-pci, the driver
> > c
On Tue, 24 Oct 2017 13:04:26 -0700
Jeff Kirsher wrote:
> From: Liang-Min Wang
>
> When a SR-IOV supported device is bound with vfio-pci, the driver
> could not create SR-IOV instance through /sys/bus/pci/devices/...
> /sriov_numvfs. This patch re-activates this capability for a PCIe
> device t
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