Re: [Xen-devel] [PATCH] qemu-xen: free all the pirqs for msi/msix when driver unload

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Apr 08, 2014 at 01:29:45PM -0400, Konrad Rzeszutek Wilk wrote:
> On Tue, Apr 08, 2014 at 06:22:09PM +0100, Stefano Stabellini wrote:
> > On Tue, 8 Apr 2014, konrad@xxxxxxxxxx wrote:
> > > From: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
> > > 
> > > Pirqs are not freed when driver unload, then new pirqs are allocated when
> > > driver reload. This could exhaust pirqs if do it in a loop.
> > > 
> > > This patch fixes the bug by freeing pirqs when ENABLE bit is cleared in
> > > msi/msix control reg.
> > > 
> > > There is also other way of fixing it such as reuse pirqs between driver 
> > > reload,
> > > but this way is better.
> > > Xen-devel: http://marc.info/?l=xen-devel&m=136800120304275&w=2
> > > 
> > > Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
> > > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > 
> > I'll add it to my queue.
> 
> Yeey!
> > At the moment they are busy with the QEMU 2.0 release, I would rather
> > wait for the next merge window.
> 
> OK. When should I ping you so that in the unlikely event it gets lost
> I would ping you?

ping! Seems QEMU 2.0 is out
> 
> Thanks!

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel