Re: [RFC PATCH 4/5] RCU: Add TASK_RCU_OFFSET

[Paul E. McKenney]

On Thu, Mar 31, 2011 at 09:02:20AM +0800, Lai Jiangshan wrote:
> On 03/30/2011 07:46 PM, Michal Marek wrote:
> > On 30.3.2011 12:57, Peter Zijlstra wrote:
> >> On Wed, 2011-03-30 at 12:55 +0200, Michal Marek wrote:
> >>> Subject: [PATCH] headers: Allow for lightweight inclusion of task_struct definition
> >>>
> >>> Factor out a couple of type definitions to <header>_types.h to allow
> >>> using task_struct without pulling tons of new dependencies via sched.h.
> >>
> >> Urgh, not pretty.. so why not clean up sched.h properly? There's way too
> >> much cruft in there.
> > 
> > It was a proof-of-concept to show that it is doable to have proper
> > definition of task_struct in rcupdate.h. Not an entry for any code
> > beauty contest.
> > 
> > Michal
> > 
> 
> I like this cleanup, could you continue for this hard job? I will help you if required.
> 
> Ingo & Peter - will you accept the patches when it is done.
> 
> Acked-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>

I certainly like the idea of being able to inline TREE_PREEMPT_RCU's
rcu_read_lock() and rcu_read_unlock() using normal C code!

							Thanx, Paul
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