Re: [Xen-devel] memory leak in block/xen_disk in qemu-3.x

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Olaf Hering [mailto:olaf@xxxxxxxxx]
> Sent: 11 December 2018 16:08
> To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx
> Subject: Re: [Xen-devel] memory leak in block/xen_disk in qemu-3.x
> 
> On Tue, Dec 11, Paul Durrant wrote:
> 
> > > -----Original Message-----
> > > From: Xen-devel [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On
> Behalf
> > > Of Olaf Hering
> > > Sent: 11 December 2018 15:31
> > > To: xen-devel@xxxxxxxxxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx
> > > Subject: [Xen-devel] memory leak in block/xen_disk in qemu-3.x
> > >
> > > What are the live time rules of ioreq->buf?
> > > In my testing the memory usage of qemu is constantly growing from
> about
> > > 250MB to several GB after a few days.
> > Are you perhaps running into the problem addressed by this patch?
> > https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00244.html
> 
> This looks like a fix, rather than an improvement.
> More than a month passed already, why is it not yet in qemu.git#master?
> 

It was nacked on the basis that xen_disk is legacy. I have re-based it on my 
series re-working xen_disk and, as soon as that is all acked, I will post the 
re-based patch.

  Paul

> Olaf
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