From: "Darrick J. Wong" <djwong@us.ibm.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Thomas Renninger <trenn@suse.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>,
cpufreq@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v2] acpi: Fix regression where _PPC is not read at boot even when ignore_ppc=0
Date: Tue, 28 Apr 2009 13:24:12 -0700 [thread overview]
Message-ID: <20090428202409.GU7917@plum> (raw)
In-Reply-To: <20090428195348.GA8376@srcf.ucam.org>
On Tue, Apr 28, 2009 at 08:53:48PM +0100, Matthew Garrett wrote:
> On Tue, Apr 28, 2009 at 12:33:04PM -0700, Darrick J. Wong wrote:
> > On Thu, Apr 16, 2009 at 11:45:07PM +0100, Matthew Garrett wrote:
> >
> > > That's not really an option. It works with Windows.
> >
> > Who verified that? Does anyone know what strategy Windows uses to avoid this
> > T60 problem?
>
> The best guess was that Windows only evaluates _PPC when it receives a
> notification.
I have asked the Windows side of the UEFI development team here about what
they've observed about Windows' behavior regarding reading _PPC at boot and
will post their answers when I receive them.
--D
next prev parent reply other threads:[~2009-04-28 20:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-15 22:53 [PATCH] acpi: Fix regression where _PPC is not read at boot even when ignore_ppc=0 Darrick J. Wong
2009-04-16 0:27 ` [PATCH v2] " Darrick J. Wong
2009-04-16 10:01 ` Thomas Renninger
2009-04-16 10:32 ` Ingo Molnar
2009-04-16 17:42 ` Darrick J. Wong
2009-04-16 18:49 ` Thomas Renninger
2009-04-16 22:45 ` Matthew Garrett
2009-04-20 5:13 ` Len Brown
2009-04-20 9:13 ` Thomas Renninger
2009-04-20 10:45 ` Ingo Molnar
2009-04-29 13:19 ` Thomas Renninger
2009-04-29 14:48 ` Ingo Molnar
2009-04-29 21:43 ` Darrick J. Wong
2009-04-30 9:07 ` Thomas Renninger
2009-04-30 9:17 ` Ingo Molnar
2009-04-20 22:18 ` Henrique de Moraes Holschuh
2009-04-28 19:33 ` Darrick J. Wong
2009-04-28 19:53 ` Matthew Garrett
2009-04-28 20:24 ` Darrick J. Wong [this message]
2009-04-29 21:39 ` Darrick J. Wong
2009-04-29 22:00 ` Matthew Garrett
2009-04-30 7:25 ` Ingo Molnar
2009-04-30 9:54 ` Matthew Garrett
2009-04-30 11:10 ` Ingo Molnar
2009-04-30 11:13 ` Matthew Garrett
2009-05-15 19:12 ` Darrick J. Wong
2009-06-02 23:21 ` Darrick J. Wong
2009-06-07 10:05 ` Ingo Molnar
2009-07-15 0:32 ` Darrick J. Wong
2010-02-16 22:07 ` Matthew Garrett
2010-02-16 22:26 ` Darrick J. Wong
2010-02-18 9:02 ` Len Brown
2010-02-18 18:28 ` Darrick J. Wong
2010-02-19 6:12 ` Len Brown
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