From: Dave Jones <davej@redhat.com>
To: ykzhao <yakui.zhao@intel.com>
Cc: cpufreq@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [Patch] CPUFREQ: Add the suspend/resume flag to avoid smp_call in cpufreq_suspend/resume
Date: Thu, 23 Jul 2009 21:49:18 -0400 [thread overview]
Message-ID: <20090724014918.GA8854@redhat.com> (raw)
In-Reply-To: <1248399463.3556.30.camel@localhost.localdomain>
On Fri, Jul 24, 2009 at 09:37:43AM +0800, ykzhao wrote:
> Subject: [CPUFREQ]: Add the suspend/resume flag to avoid smp_call in cpufreq_suspend/resume
> From: Zhao Yakui <yakui.zhao@intel.com>
>
> Only CPU0 is available in course of cpufreq_suspend/resume.
> So it is unnecessary to do the smp_call for getting the current
> cpufreq.
>
> Add a flag of suspend/resume to avoid the smp_call in course of
> cpufreq_suspend/resume.
>
> http://bugzilla.kernel.org/show_bug.cgi?id=13781
> http://bugzilla.kernel.org/show_bug.cgi?id=13269
>
> Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
> Tested-by: Christian Casteyde<casteyde.christian@free.fr>
All this goes away if we just made that suspend/resume code
conditional on powerpc as previously discussed.
We don't need any of it on x86 afaict
Dave
next prev parent reply other threads:[~2009-07-24 1:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-24 1:37 [Patch] CPUFREQ: Add the suspend/resume flag to avoid smp_call in cpufreq_suspend/resume ykzhao
2009-07-24 1:49 ` Dave Jones [this message]
2009-07-24 5:18 ` ykzhao
2009-07-28 1:40 ` ykzhao
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