Re: [RFC,PATCH] Use RCU to protect tasklist for unicast signals

[Christoph Hellwig]

On Wed, Aug 10, 2005 at 10:11:45AM -0700, Paul E. McKenney wrote:
> Hello!
> 
> This patch is an experiment in use of RCU for individual code paths that
> read-acquire the tasklist lock, in this case, unicast signal delivery.
> It passes five kernbenches on 4-CPU x86, but obviously needs much more
> testing before it is considered for serious use, let alone inclusion.

I think we should switch over tasklist_lock to RCU completely instead of
adding suck hacks.  I've started lots of preparation work to get rid of
tasklist_lock users outside of kernel/, especialy getting rid of any
use in modules.

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