Re: [GIT PULL] Additional RCU fixes for 2.6.34

[Ingo Molnar]

* Jens Axboe <jens.axboe@xxxxxxxxxx> wrote:

> On Thu, May 06 2010, Ingo Molnar wrote:
> > 
> > * Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> > 
> > > Hello, Ingo,
> > > 
> > > Here are three more RCU-lockdep fixes for 2.6.34:
> > > 
> > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git rcu/urgent
> > > 
> > > 							Thanx, Paul
> > > 
> > > ------------------>
> > > Vivek Goyal <vgoyal@xxxxxxxxxx> (1)
> > > 	blk-cgroup: Fix RCU correctness warning in cfq_init_queue()
> > > 
> > > Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> (2)
> > > 	vfs: fix RCU-lockdep false positive due to /proc access
> > > 	memcg: css_id() must be called under rcu_read_lock()
> > > 
> > >  block/cfq-iosched.c      |    2 ++
> > >  include/linux/fdtable.h  |    3 ++-
> > >  include/linux/rcupdate.h |   11 +++++++++++
> > >  kernel/rcupdate.c        |   11 +++++++++++
> > >  mm/memcontrol.c          |   21 ++++++++++++++++-----
> > >  5 files changed, 42 insertions(+), 6 deletions(-)
> > 
> > Pulled, thanks Paul!
> > 
> > Jens, is that blk-cgroup fix from Vivek fine to you via this route?
> 
> Sure, I did think it was a bit odd to funnel it through that route, but it's 
> no big deal.

I havent pushed the tree out yet, wanted to wait for your feedback before 
doing anything permanent. You can still apply it to the block tree.

You were Cc:-ed 3 days ago to this patch, when RCU fixes got posted. These are 
basically the leftover PROVE_RCU fix patches that didnt get picked up by 
subsystem trees.

Thanks,

	Ingo
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