[libvirt] [PATCH] qemuDomainSendKey: Relax the qemu driver locking

Daniel P. Berrange berrange at redhat.com
Thu Jan 24 12:21:31 UTC 2013


On Thu, Jan 24, 2013 at 01:17:35PM +0100, Viktor Mihajlovski wrote:
> On 01/24/2013 11:45 AM, Michal Privoznik wrote:
> >
> >Yes, that's another candidate.
> >Basically for now, everything that uses qemu driver other than:
> >- domain lookup
> >- begin/end job
> >- enter/exit monitor
> >SHOULD be using long term lock. This, however, will soon be past - I
> >believe I saw an e-mail from Dan saying, qemu driver locking should be
> >turned into R/W locks.
> >
> >Michal
> >
> Sounds reasonable. Knowing that this is *some* work, wouldn't it make
> sense to relax the locking for all eligible qemu_driver functions in
> one patch?
> This would then be a tangible feature of 1.0.2.

I'm killing the big qemu driver lock entirely in the release
after this.

Daniel
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