Re: [PATCH 0/6] support "dataplane" mode for nohz_full

Steven Rostedt
2015-05-11T12:58:07Z

NO_HZ_LEAVE_ME_THE_FSCK_ALONE!

On Sat, 9 May 2015 09:05:38 +0200
Ingo Molnar <mingo@kernel.org> wrote:

> So I think we should either rename NO_HZ_FULL to NO_HZ_PURE, or keep
> it at NO_HZ_FULL: because the intention of NO_HZ_FULL was always to be
> such a 'zero overhead' mode of operation, where if user-space runs, it
> won't get interrupted in any way.

All kidding aside, I think this is the real answer. We don't need a new
NO_HZ, we need to make NO_HZ_FULL work. Right now it doesn't do exactly
what it was created to do. That should be fixed.

Please lets get NO_HZ_FULL up to par. That should be the main focus.

-- Steve