| Subject | Re: [RFC PATCH 15/15] nohz_task: Procfs interface | From | Peter Zijlstra <> | Date | Mon, 20 Dec 2010 16:42:24 +0100 |
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On Mon, 2010-12-20 at 16:24 +0100, Frederic Weisbecker wrote: > This implements the /proc/pid/nohz file that enables the > nohz attribute of a task. > > Synchronization is enforced so that: > > - A CPU can have only one nohz task
Why?
> - A nohz task can be only affine to a single CPU
Why?
> For now this is only possible to write on /proc/self but probably > allowing it from another task would be a good idea and wouldn't > increase so much the complexity of the code.
ptrace rules might match that.
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