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

From: Frederic Weisbecker
Date: Mon May 11 2015 - 13:33:18 EST


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@xxxxxxxxxxxxxxxxxx> 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.
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