[Qemu-devel] PING for-1.6 Re: [PATCH v3] semaphore: fix a hangup problem under load on NetBSD hosts.

[Paolo Bonzini]

On 08/02/2013 12:33 AM, Paolo Bonzini wrote:
> On 08/01/2013 05:24 AM, Brad wrote:
> > On 03/07/13 5:41 AM, Laszlo Ersek wrote:
> > > On 07/03/13 10:58, Izumi Tsutsui wrote:
> > > > Fix following bugs in "fallback implementation of counting semaphores
> > > > with mutex+condvar" added in c166cb72f1676855816340666c3b618beef4b976:
> > > >   - waiting threads are not restarted properly if more than one threads
> > > >     are waiting unblock signals in qemu_sem_timedwait()
> > > >   - possible missing pthread_cond_signal(3) calls when waiting threads
> > > >     are returned by ETIMEDOUT
> > > >   - fix an uninitialized variable
> > > > The problem is analyzed by and fix is provided by Noriyuki Soda.
> > > >
> > > > Also put additional cleanup suggested by Laszlo Ersek:
> > > >   - make QemuSemaphore.count unsigned (it won't be negative)
> > > >   - check a return value of in pthread_cond_wait() in qemu_sem_wait()
> > > >
> > > > Signed-off-by: Izumi Tsutsui <address@hidden>
> > > > Reviewed-by: Laszlo Ersek <address@hidden>
> > > > ---
> > > >
> > > >   v3:
> > > >   - fix a missed assignment and actually check a retval of
> > > > pthread_cond_wait()
> > >
> > > Compared v3 against v2.
> > >
> > > Reviewed-by: Laszlo Ersek <address@hidden>
> > >
> > > Laszlo
> >
> > This patch seems to have been dropped.
>
> CCing Anthony and qemu-stable.

And bumping priority further.

Paolo