Re: [PATCH v2 2/2] nohz: make nohz_full imply isolcpus
From: Peter Zijlstra
Date: Wed Apr 08 2015 - 10:27:01 EST
On Wed, Apr 08, 2015 at 10:04:43AM -0400, Chris Metcalf wrote:
> On 04/08/2015 05:41 AM, Peter Zijlstra wrote:
> >On Mon, Apr 06, 2015 at 02:16:45PM -0400, cmetcalf@xxxxxxxxxx wrote:
> >>From: Chris Metcalf <cmetcalf@xxxxxxxxxx>
> >>It's not clear that nohz_full is useful without isolcpus also
> >>set, since otherwise the scheduler has to run periodically to
> >>try to determine whether to steal work from other cores.
> >So the Changelog and the patch don't seem to agree with one another.
> >The Changelog states that nohz_full should depend on isolcpus.
> The git commit message says "make nohz_full imply isolcpus".
> That's consistent with the code.
Well, but then the Changelog doesn't make any sense.
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