linux-kernel - Re: [PATCH] drivers/idle: make intel_idle.c driver more explicitly non-modular

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Message-ID: <20160405073312.GA30124@linutronix.de>
Date:	Tue, 5 Apr 2016 09:33:12 +0200
From:	rcochran@...utronix.de
To:	"Brown, Len" <len.brown@...el.com>
Cc:	"Gortmaker, Paul (Wind River)" <paul.gortmaker@...driver.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] drivers/idle: make intel_idle.c driver more explicitly
 non-modular

On Tue, Apr 05, 2016 at 05:53:47AM +0000, Brown, Len wrote:
> > On Tue, Apr 05, 2016 at 04:20:47AM +0000, Brown, Len wrote:
> > > No, I do not believe that cpuidle should bother
> > > supporting changing idle drivers at run-time.
> > 
> > Huh?  But you just said, "it would be good to be able to unload it
> > when it doesn't probe."
> 
> being able to switch the registered driver at run-time
> does not require the driver to be modular.

Uh, right, but you don't think that the cpuidle core should allow
changing drivers.  If it doesn't allowing changing drivers, then there
would be just one choice, compiled in, and thus none of the drivers
should be modular.

Or what do you mean?

Confused,
Richard