Re: [RFC] cpuset update_cgroup_cpus_allowed

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From: Paul Jackson
Date: Monday, October 15, 2007 - 10:20 pm

> Will do - I justed wanted to get this quickly out to show the idea

Ok - good.

In the final analysis, I'll take whatever works ;).

I'll lobby for keeping the code "simple" (a subjective metric) and poke
what holes I can in things, and propose what alternatives I can muster.

But so long as setting a cpusets 'cpus' in 2.6.24 leads, whether by my
historical "rewrite the pid to its own 'tasks' file" hack, or by a
proper solution such as you have advocated, or by some other scheme
or hack, to updating the cpus_allowed of each task in that cpuset, then
I'm ok.

Right now, that goal is not met, with the cgroup patches lined up in
*-mm for what will become 2.6.24.

We're getting short of time to fix this.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401
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Messages in current thread:
[RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 12:11 am)
Re: [RFC] cpuset update_cgroup_cpus_allowed, David Rientjes, (Mon Oct 15, 11:49 am)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Menage, (Mon Oct 15, 2:24 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 5:16 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Menage, (Mon Oct 15, 5:20 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 7:32 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 7:34 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Menage, (Mon Oct 15, 10:12 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 10:20 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Mon Oct 15, 11:07 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, David Rientjes, (Mon Oct 15, 11:21 pm)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Tue Oct 16, 2:16 am)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Menage, (Tue Oct 16, 3:07 am)
Re: [RFC] cpuset update_cgroup_cpus_allowed, David Rientjes, (Tue Oct 16, 11:27 am)
Re: [RFC] cpuset update_cgroup_cpus_allowed, Paul Jackson, (Tue Oct 16, 4:14 pm)