Re: [PATCH] rcu: Eliminate softirq processing from rcutree

From: Mike Galbraith
Date: Wed Dec 25 2013 - 12:37:48 EST

On Tue, 2013-12-24 at 23:55 -0800, Paul E. McKenney wrote:
> On Wed, Dec 25, 2013 at 04:07:34AM +0100, Mike Galbraith wrote:

> > > So which code do you think deserves the big lump of coal? ;-)
> >
> > Sebastian's NO_HZ_FULL locking fixes. Locking is hard, and rt sure
> > doesn't make it any easier, so lets give him a cookie or three to nibble
> > on while he ponders that trylock stuff again instead :)
> Fair enough. Does Sebastian prefer milk and cookies or the other
> tradition of beer and a cigar? ;-)

Having sufficiently recovered from turkey overdose to be able to slither
upstairs (bump bump bump) to check on the box, commenting..

# timers-do-not-raise-softirq-unconditionally.patch
# rtmutex-use-a-trylock-for-waiter-lock-in-trylock.patch

..those two out does seem to have stabilized the thing.

Merry Christmasss,


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