Re: [PATCH] sched: track "isolated" cpus like other cpu masks.
From: Peter Zijlstra
Date: Mon May 23 2011 - 16:10:56 EST
On Fri, 2011-05-20 at 16:29 -0400, Geoff Thorpe wrote:
> When a subset of cpus have been isolated, it can be useful for subsystems
> or drivers that have cpu-affinity concerns to have access to this mask
> (just like the other cpu masks; "possible", "present", "active" and
> "online"). Eg. to provide specific handling for isolated cpus, or to
> determine the non-isolated cpus (which is what sched.c uses it for).
Nobody should be using that, isolated CPUs is a 'feature' slated for
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