[dpdk-dev] [dpdk-stable] [PATCH v2] igb_uio: prevent reset for a list of devices

[Stephen Hemminger]

On Nov 7, 2017 20:50, "Chas Williams" <3chas3 at gmail.com> wrote:

We still have an issue with this and PCI pass-through.  If a guest is
restarted while using PCI pass-through and igb_uio issues a
pci_reset_function(), this causes the host to crash.

On Mon, Nov 6, 2017 at 6:55 PM, Thomas Monjalon <thomas at monjalon.net> wrote:

> 06/11/2017 19:48, Ferruh Yigit:
> > Some devices are having problem on device reset that happens during DPDK
> > application exit [1].
> >
> > Create a static list of devices and exclude them from device reset.
> >
> > [1]
> > http://dpdk.org/ml/archives/dev/2017-November/080927.html
> >
> > Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of
> device file")
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
>
> Applied, thanks
>
> An option may be required to disable this exception
> which may be a security hole.
>
>

Which host. Anything guest can do to crash host is a high severity big in
the host