linux-kernel - Re: [PATCH] cpufreq/intel_pstate: Add function to check that all MSR's are valid

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Message-ID: <5732099.5YOUCTPR4a@vostro.rjw.lan>
Date:	Sat, 23 Mar 2013 01:06:47 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Dave Jones <davej@...hat.com>
Cc:	Dirk Brandewie <dirk.brandewie@...il.com>,
	linux-kernel@...r.kernel.org, cpufreq@...r.kernel.org,
	Dirk Brandewie <dirk.j.brandewie@...el.com>
Subject: Re: [PATCH] cpufreq/intel_pstate: Add function to check that all MSR's are valid

On Friday, March 22, 2013 11:06:47 AM Dave Jones wrote:
> On Fri, Mar 22, 2013 at 01:40:49AM +0100, Rafael J. Wysocki wrote:
>  > On Thursday, March 21, 2013 01:08:03 AM Rafael J. Wysocki wrote:
>  > > On Wednesday, March 20, 2013 11:28:49 AM Dirk Brandewie wrote:
>  > > > On 03/20/2013 11:28 AM, Rafael J. Wysocki wrote:
>  > > > > On Wednesday, March 20, 2013 09:17:24 AM dirk.brandewie@...il.com wrote:
>  > > > >> From: Dirk Brandewie <dirk.brandewie@...il.com>
>  > > > >>
>  > > > >> Some VMs seem to try to implement some MSRs but not all the registers
>  > > > >> the driver needs.  Check to make sure all the MSR that we need are
>  > > > >> available. If any of the required MSRs are not available refuse to
>  > > > >> load.
>  > > > >>
>  > > > >> Signed-off-by: Dirk Brandewie <dirk.j.brandewie@...el.com>
>  > > > >
>  > > > > Is this needed for v3.9?  Any pointers to bug reports etc.?
>  > > > >
>  > > > 
>  > > > Sorry I saw right after I sent the mail that the bug report was missing
>  > > > 
>  > > >      https://bugzilla.redhat.com/show_bug.cgi?id=922923
>  > > >      Reported-by: Josh Stone <jistone@...hat.com>
>  > > > 
>  > > > Would you like me to spin the patch?
>  > > 
>  > > No, thanks, this information is sufficient.
>  > 
>  > Applied to linux-pm.git/bleeding-edge and will be moved to linux-next after
>  > build testing.
> 
> 'next' seems to be imply you're targetting this for 3.10 ?
> In case it wasn't clear, this is needed for 3.9.

I'm going to push this for 3.9 after it has spent a couple of days in
linux-next just in case.  So 3.9-rc5 is the target.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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