linux-kernel - Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on Lenovo T400/T500

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Message-ID: <20100715223149.GC27512@khazad-dum.debian.net>
Date:	Thu, 15 Jul 2010 19:31:49 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Pedro Ribeiro <pedrib@...il.com>,
	ibm-acpi-devel@...ts.sourceforge.net, eusou15@...oo.com,
	linux-kernel@...r.kernel.org, toralf.foerster@....de
Subject: Re: [ibm-acpi-devel] [PATCH] Remove 9 second reboot delay on
 Lenovo T400/T500

On Wed, 14 Jul 2010, Matthew Garrett wrote:
> There's two possibilities here:
> 
> 1) Lenovo's firmware is broken and the 9-second delay is always going to 
> be there. In that case we should try to use the ACPI reboot vector 
> first.

Or maybe we should key into whatever OSI() the ACPI firmware asked, and try
first whatever shutdown path the highest version of Windows asked for by the
firmware would.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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