From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [PATCH] qemu-xen: free all the pirqs for msi/msix
 when driver unload
Date: Wed, 30 Apr 2014 09:30:42 -0400
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To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: anthony.perard@citrix.com, konrad@kernel.org, Zhenzhong Duan <zhenzhong.duan@oracle.com>, xen-devel@lists.xenproject.org
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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@kernel.org wrote:
> > > From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
> > > 
> > > 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@oracle.com>
> > > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> > 
> > 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!