From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Cc: 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: Thu, 19 Mar 2009 21:47:46 +0000 [thread overview]
Message-ID: <20090319214746.GC24898@srcf.ucam.org> (raw)
In-Reply-To: <20090319214140.GA28868@linux-os.sc.intel.com>
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>
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-03-19 21:47 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 [this message]
2009-03-20 3:50 ` Henrique de Moraes Holschuh
2009-03-20 4:02 ` Matthew Garrett
2009-03-20 8:17 ` Ingo Molnar
2009-03-28 1:23 ` Len Brown
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