linux-kernel - Re: [PATCH 9/9] x86 idle: delete mwait

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Message-ID: <20110401110243.GN11175@alberich.amd.com>
Date:	Fri, 1 Apr 2011 13:02:43 +0200
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Len Brown <lenb@...nel.org>
CC:	<x86@...nel.org>, <linux-kernel@...r.kernel.org>,
	<linux-pm@...ts.linux-foundation.org>,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH 9/9] x86 idle: delete mwait_idle()

On Thu, Mar 31, 2011 at 02:03:24AM -0400, Len Brown wrote:
> From: Len Brown <len.brown@...el.com>
> 
> For ACPI mode, mwait_with_hints() in cstate.c is used instead of
> process.c's mwait_idle().
> 
> For INTEL_IDLE mode, the mwait in intel_idle() is used instead of
> process.c's mwait_idle().
> 
> So delete process.c's mwait_idle().
> This will change the behaviour of SMP sysgtems that are
> running !ACPI and !INTEL_IDLE kernels -- they will use
> HALT instead of MWAIT.
> 
> This deletes the "idle=mwait" parameter, and thus the
> boot_option_idle_override == IDLE_FORCE_MWAIT flag.
> 
> Signed-off-by: Len Brown <len.brown@...el.com>

Acked-by: Andreas Herrmann <andreas.herrmann3@....com>


Regards,
Andreas


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