Re: [PATCH 05/13] rcu: Fix unraised IPI to timekeeping CPU

[Christoph Hellwig]

On Wed, Dec 18, 2013 at 04:38:59PM +0100, Frederic Weisbecker wrote:
> I think that Christophe Hellwig had patches to drop csd and make smp.c lockless, I don't
> recall the details though.

I had a patch to use llists, but you still have the csd_lock opencoded
lock.  By coincidence Jan Kara just resent the patch a few minutes ago.
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