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SubjectRe: [PATCH tip/core/rcu 02/19] rcu: Remove CONFIG_RCU_CPU_STALL_INFO
On Thu, Jul 30, 2015 at 08:13:41AM -0700, Paul E. McKenney wrote:
> On Thu, Jul 30, 2015 at 02:49:55PM +0200, Peter Zijlstra wrote:
> > On Fri, Jul 17, 2015 at 04:29:07PM -0700, Paul E. McKenney wrote:
> > > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> > >
> > > The CONFIG_RCU_CPU_STALL_INFO has been default-y for a couple of
> > > releases with no complaints, so it is time to eliminate this Kconfig
> > > option entirely, so that the long-form RCU CPU stall warnings cannot
> > > be disabled. This commit does just that.
> >
> > I would think the tiny people (/me looks @ Josh) would complain about
> > this..
>
> They might, but if they do, I will point out that CONFIG_RCU_CPU_STALL_INFO
> only has effect for Tree RCU. And also that RCU CPU stall warnings are
> compiled out unless CONFIG_RCU_TRACE=y, which I suspect they are disabling.

Ah, fair enough.


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