[libvirt] [RFC PATCH 4/4] pciResetDevice: use inactive devices to determine safe reset

Chris Wright chrisw at redhat.com
Mon Jul 26 16:53:34 UTC 2010

* Daniel Veillard (veillard at redhat.com) wrote:
> On Fri, Jul 23, 2010 at 11:03:47PM -0700, Chris Wright wrote:
> > When doing a PCI secondary bus reset, we must be sure that there are no
> > active devices on the same bus segment.  The active device tracking is
> > designed to only track host devices that are active in use by guests.
> > This ignores host devices that are actively in use by the host.  So the
> > current logic will reset host devices.  Hilarity ensues.
> > 
> > Switch this logic around and allow sbus reset when we are assigning all
> > devices behind a bridge to the same guest at guest startup or as a result
> > of a single attach-device command.
>   Okay that looks fine too, I pushed the 4 patches after the small
> changes for tabs. In the future "make syntax-check" helps avoid this :-)

Great, thanks Daniel.  I'm glad to learn about "make syntax-check"...my eye
grep routine sucks at catching space/tab confusion ;-)


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