Re: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot
From: Pavel Machek
Date: Sat Nov 26 2016 - 08:16:15 EST
On Thu 2016-10-27 16:38:13, Thomas Gleixner wrote:
> On Thu, 27 Oct 2016, Grzegorz Andrejczuk wrote:
> > +#ifdef CONFIG_X86_64
> > +static int phi_r3mwait_disabled __read_mostly;
> > +
> > +static int __init phir3mwait_disable(char *__unused)
> > +{
> > + phi_r3mwait_disabled = 1;
> > + pr_warn("x86/phir3mwait: Disabled ring 3 MWAIT for Xeon Phi");
>
> Why would that be a warning? The sysadmin added the command line switch, so
> why does he needs to be warned?
Its telling admin he did not make a typo on the command line. We often do that....
Pavel
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