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SubjectRe: [GIT PULL rcu/next] RCU commits for 3.9
On Thu, Feb 07, 2013 at 07:21:48PM +0800, Lai Jiangshan wrote:
> Hi, Paul
>
> These (https://lkml.org/lkml/2012/11/29/123) are still not merged.

Ah, good point...

My intent was to merge as soon as https://lkml.org/lkml/2012/12/5/201
was responded to. The question should not have blocked merging, so I
should have followed up, but the again, so should have you. ;-)

I queued the patches, and if testing goes well, will push them to -tip
in a few days.

The remaining issue for invoking srcu_read_lock() from offline CPUs is
that lockdep does tracing that uses RCU. So your patch 4/8 is incomplete,
though a good step towards allowing SRCU to be invoked from offline CPUs.
Thoughts on getting the rest of the way there?

Thanx, Paul

> Thanks,
> lai
>
> On 05/02/13 01:18, Paul E. McKenney wrote:
> >Hello, Ingo,
> >
> >The major features of this series are:
> >
> >1. Changes to rcutorture and to RCU documentation. Posted to LKML at
> > https://lkml.org/lkml/2013/1/26/188.
> >
> >2. Enhancements to uniprocessor handling in tiny RCU. Posted to LKML
> > at https://lkml.org/lkml/2013/1/27/2.
> >
> >3. Tag RCU callbacks with grace-period number to simplify callback
> > advancement. Posted to LKML at https://lkml.org/lkml/2013/1/26/203.
> >
> >4. Miscellaneous fixes. Posted to LKML at
> > https://lkml.org/lkml/2013/1/26/204.
> >
> >All of these commits have been subject to -next testing.
> >
> >These changes are available in the git repository at:
> > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
> >
> >--------------------->
> >
> >Cody P Schafer (1):
> > rcu: Correct 'optimized' to 'optimize' in header comment
> >
> >Dave Hansen (1):
> > rcu: Consolidate debugging Kconfig options
> >
> >Frederic Weisbecker (1):
> > context_tracking: Add comments on interface and internals
> >
> >Josh Triplett (1):
> > rcu: Make rcu_is_cpu_rrupt_from_idle helper functions static
> >
> >Li Zhong (2):
> > rcu: Use new nesting value for rcu_dyntick trace in rcu_eqs_enter_common
> > rcu: Remove unused code originally used for context tracking
> >
> >Paul E. McKenney (11):
> > tracing: Export trace_clock_local()
> > rcu: Reduce rcutorture tracing
> > rcu: Fix blimit type for trace_rcu_batch_start()
> > rcu: Silence compiler array out-of-bounds false positive
> > rcu: Tag callback lists with corresponding grace-period number
> > rcu: Trace callback acceleration
> > rcu: Remove obsolete Kconfig option from comment
> > rcu: Provide RCU CPU stall warnings for tiny RCU
> > rcu: Allow TREE_PREEMPT_RCU on UP systems
> > rcu: Make rcutorture's shuffler task shuffle recently added tasks
> > Merge branches 'doctorture.2013.01.29a', 'fixes.2013.01.26a', 'tagcb.2013.01.24a' and 'tiny.2013.01.29b' into HEAD
> >
> >Richard Braun (1):
> > Documentation: Memory barrier semantics of atomic_xchg()
> >
> >Sasha Levin (1):
> > rcutorture: Don't compare ptr with 0
> >
> > Documentation/atomic_ops.txt | 2 +
> > Documentation/memory-barriers.txt | 1 +
> > include/linux/rcupdate.h | 15 ++-
> > include/trace/events/rcu.h | 31 +++--
> > init/Kconfig | 12 ++-
> > kernel/context_tracking.c | 75 +++++++++--
> > kernel/rcu.h | 7 +
> > kernel/rcupdate.c | 60 ++++++++-
> > kernel/rcutiny.c | 8 +-
> > kernel/rcutiny_plugin.h | 56 ++++++++
> > kernel/rcutorture.c | 57 +++++++--
> > kernel/rcutree.c | 260 ++++++++++++++++++++++++++-----------
> > kernel/rcutree.h | 11 +--
> > kernel/trace/trace_clock.c | 1 +
> > lib/Kconfig.debug | 117 +++++++++--------
> > 15 files changed, 528 insertions(+), 185 deletions(-)
> >
> >--
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> >Please read the FAQ at http://www.tux.org/lkml/
> >
>



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