From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
Len Brown <lenb@kernel.org>,
linux-acpi <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH] ACPI: cap off P-state transition latency from buggy BIOSes
Date: Fri, 20 Mar 2009 04:02:00 +0000 [thread overview]
Message-ID: <20090320040200.GA29829@srcf.ucam.org> (raw)
In-Reply-To: <20090320035016.GA28010@khazad-dum.debian.net>
On Fri, Mar 20, 2009 at 12:50:16AM -0300, Henrique de Moraes Holschuh wrote:
> On Thu, 19 Mar 2009, Matthew Garrett wrote:
> > On Thu, Mar 19, 2009 at 02:41:40PM -0700, Pallipadi, Venkatesh wrote:
> > > Fix it by capping-off the transition latency to 20uS for native MSR based
> > > frequency transitions.
> > >
> > > Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
> >
> > We've confirmed that this also helps on the X31.
> >
> > Acked-by: Matthew Garrett <mjg@redhat.com>
>
> Any chance of sending this to -stable after it hits mainline? It is the
> sort of stuff a huge number of thinkpad users will want in their kernels
> ASAP...
I don't see why not.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-03-20 4:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-19 21:41 [PATCH] ACPI: cap off P-state transition latency from buggy BIOSes Pallipadi, Venkatesh
2009-03-19 21:47 ` Matthew Garrett
2009-03-20 3:50 ` Henrique de Moraes Holschuh
2009-03-20 4:02 ` Matthew Garrett [this message]
2009-03-20 8:17 ` Ingo Molnar
2009-03-28 1:23 ` Len Brown
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