Re: [PATCH tip/core/rcu 14/24] rcu: Directly drive TASKS_RCU from Kconfig

From: Paul E. McKenney
Date: Wed May 13 2015 - 16:58:48 EST


On Wed, May 13, 2015 at 09:31:19AM -0400, Steven Rostedt wrote:
> On Tue, 12 May 2015 15:30:44 -0700
> "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
>
> > From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
> >
> > Currently, Kconfig will ask the user whether TASKS_RCU should be set.
> > This is silly because Kconfig already has all the information that it
> > needs to set this parameter. This commit therefore directly drives
> > the value of TASKS_RCU via "select" statements. Which means that
> > as subsystems require TASKS_RCU, those subsystems will need to add
> > "select" statements of their own.
> >
> > Reported-by: Ingo Molnar <mingo@xxxxxxxxxx>
> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
>
> Which reminds me. I need to write the code to implement the usage of
> this :-)

Indeed, before the unused-feature mafia forces me to remove it. ;-)

Thanx, Paul

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