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

[Daniel Veillard]

On Mon, Jul 26, 2010 at 09:53:34AM -0700, Chris Wright wrote:
> * 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 ;-)

  Bahh just some bad kernel bias, one of Linus early mistake nobody
fought enough to get rid of >:->

Daniel

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