Re: [Xen-devel] [PATCH] fix race condition between libvirtd event handling and libxl fd deregister

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Jim Fehlig writes ("Re: [Xen-devel] [PATCH] fix race condition between libvirtd 
event handling and libxl fd deregister"):
> Ian Jackson wrote:
> > Yes, I think that's what Bamvor meant but I don't think it's correct
> > that such a lock eliminates the race.  libvirt has to release that
> > lock before making the callback (to follow the libxl locking rules
> > which are necessary to avoid deadlock).
> 
> And it does.  The event loop lock is released just before invoking the
> callback, and re-acquired just after the callback returns.

Right.  So I think the race that my patches are trying to fix does exist.

Ian.

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