RE: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot

From	"Andrejczuk, Grzegorz" <grzegorz.andrejczuk@intel.com>
Newsgroups	linux.kernel
Subject	RE: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot
Date	2016-12-09 13:50 +0100
Message-ID	<sMsMF-3hS-1@gated-at.bofh.it> (permalink)
References	<swTxv-2VB-3@gated-at.bofh.it> <swTxx-2VB-55@gated-at.bofh.it> <swUad-3cE-1@gated-at.bofh.it> <sHL3z-74K-5@gated-at.bofh.it> <sHLdf-77O-3@gated-at.bofh.it>
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> > 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....
>
> Definitely not at the warning level.

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Re: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot Pavel Machek <pavel@ucw.cz> - 2016-11-26 14:20 +0100
  Re: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot Thomas Gleixner <tglx@linutronix.de> - 2016-11-26 14:30 +0100
    RE: [PATCH v6: 2/4] x86: Add enabling of the R3MWAIT during boot "Andrejczuk, Grzegorz" <grzegorz.andrejczuk@intel.com> - 2016-12-09 13:50 +0100

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