[Devel] Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code

Srivatsa Vaddagiri vatsa at in.ibm.com
Wed Mar 7 06:06:04 PST 2007


On Wed, Mar 07, 2007 at 05:51:17PM +0530, Srivatsa Vaddagiri wrote:
> If that is the case, I think we can push container_lock entirely inside 
> cpuset.c and not have others exposed to this double-lock complexity.
> This is possible because cpuset.c (build on top of containers) still has
> cpuset->parent and walking cpuset->parent list safely can be made
> possible with a second lock which is local to only cpuset.c.

Hope I am not shooting in the dark here!

If we can indeed avoid container_lock in generic code, it will simplify
code like attach_task (for ex: post_attach/attach can be clubbed into one 
single callback).

-- 
Regards,
vatsa




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