On Tue, Feb 03, 2015 at 03:34:45PM +0100, David Hildenbrand wrote:
> >
> > * Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote:
> >
> > > Hello, Ingo,
> > >
> > > The changes in this series include:
> > >
> > > 1. Documentation updates. These were posted to LKML at
> > > https://lkml.org/lkml/2015/1/7/496.
> > >
> > > 2. Miscellaneous fixes. These were posted to LKML at
> > > https://lkml.org/lkml/2015/1/7/507.
> > >
> > > 3. Preemptible-RCU fixes, including fixing an old bug in the
> > > interaction of RCU priority boosting and CPU hotplug. These were
> > > posted to LKML at https://lkml.org/lkml/2015/1/7/535.
> > >
> > > 4. SRCU updates. These were posted to LKML at
> > > https://lkml.org/lkml/2015/1/7/555.
> > >
> > > 5. RCU CPU stall-warning updates. These were posted to LKML at
> > > https://lkml.org/lkml/2015/1/7/565.
> > >
> > > 6. RCU torture-test updates. These were posted to LKML at
> > > https://lkml.org/lkml/2015/1/7/591.
> > >
> > > These changes are available in the git repository at:
> > >
> > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> > > for-mingo
> > >
> > > for you to fetch changes up to 78e691f4ae2d5edea0199ca802bb505b9cdced88:
> > >
> > > Merge branches 'doc.2015.01.07a', 'fixes.2015.01.15a',
> > > 'preempt.2015.01.06a', 'srcu.2015.01.06a', 'stall.2015.01.16a' and
> > > 'torture.2015.01.11a' into HEAD (2015-01-15 23:34:34 -0800)
> > >
> > > ----------------------------------------------------------------
> > >
> > > Alexander Gordeev (1):
> > > rcu: Remove redundant rcu_is_cpu_rrupt_from_idle() from tiny RCU
> > >
> > > Calvin Owens (1):
> > > ksoftirqd: Enable IRQs and call cond_resched() before poking RCU
> > >
> > > David Hildenbrand (1):
> > > hotplugcpu: Avoid deadlocks by waking active_writer
> > >
>
> Hi Ingo, Paul,
>
> Heiko/Christian seem to have hit the bug (hotplugcpu: Avoid deadlocks by
> waking
> active_writer addresses) in 3.18-rc3.
>
> And as commit b2c4623dcd07 was in linux starting with 3.18-rc3, we should
> probably (have done a) cc-stable.
Good point, though appropriate RCU changes seem to make their way to -stable
without explicit CCs. Maybe I should be doing them, but doing so in the
past has normally gotten me complaints from the -stable maintainers.
Ingo, how would you like me to be handling this in the future?
Thanx, Paul
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