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

Steven Rostedt
2015-05-11T18:00:21Z

On Mon, 11 May 2015 19:33:06 +0200
Frederic Weisbecker <fweisbec@gmail.com> wrote:

> On Mon, May 11, 2015 at 10:27:44AM -0700, Andrew Morton wrote:
> > On Mon, 11 May 2015 10:19:16 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> >
> > > On Mon, May 11, 2015 at 08:57:59AM -0400, Steven Rostedt wrote:
> > > >
> > > > NO_HZ_LEAVE_ME_THE_FSCK_ALONE!
> > >
> > > NO_HZ_OVERFLOWING?
> >
> > Actually, "NO_HZ" shouldn't appear in the name at all. The objective
> > is to permit userspace to execute without interruption. NO_HZ is a
> > part of that, as is NO_INTERRUPTS. The "NO_HZ" thing is a historical
> > artifact from an early partial implementation.
>
> Agreed! Which is why I'd rather advocate in favour of CONFIG_ISOLATION.

Then we should have CONFIG_LEAVE_ME_THE_FSCK_ALONE. Hmm, I guess that's
just an synonym for CONFIG_ISOLATION.

-- Steve