Re: [PATCH rcu/urgent 0/6] Fixes for RCU/scheduler/irq-threadstrainwreck

[Peter Zijlstra]

On Wed, 2011-07-20 at 20:44 +0200, Ingo Molnar wrote:
> * Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > RCU boost is new and counts as strange for another few days at least.
> 
> I'd rather prefer a oneliner patch that turns it off in the Kconfig 
> for now.
> 
> We are awfully late in the -rc cycle and this diffstat:
> 
>  b/include/linux/sched.h   |    3 ++
>  b/kernel/rcutree_plugin.h |    6 +++--
>  b/kernel/sched.c          |   44 ++++++++++++++++++++++++++++++++++-----
>  b/kernel/signal.c         |   19 +++++++++++------
>  b/kernel/softirq.c        |   12 +++++++++-
>  kernel/rcutree_plugin.h   |   51 +++++++++++++++++++++++++++++++++-------------
>  6 files changed, 105 insertions(+), 30 deletions(-)
> 
> looks very scary to me.

A lot of that is also relevant to !BOOST.
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