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From: "Li, Aubrey" <aubrey.li@linux.intel.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: "alan@linux.intel.com" <alan@linux.intel.com>,
	linux-kernel@vger.kernel.org,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	Len.Brown@intel.com, Adam Williamson <awilliam@redhat.com>
Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop
Date: Fri, 28 Feb 2014 14:39:56 +0800	[thread overview]
Message-ID: <53102F3C.4020806@linux.intel.com> (raw)
In-Reply-To: <20140228062325.GA3246@srcf.ucam.org>

On 2014/2/28 14:23, Matthew Garrett wrote:
> On Fri, Feb 28, 2014 at 02:20:41PM +0800, Li, Aubrey wrote:
> 
>> Well, I already figured that out. Reset Register Supported flag is ZERO
>> in FACP table. I attached this table for your interesting.
> 
> Ok, in that case we need to check how Windows deals with a FACP that has 
> this flag set to 0 but valid looking registers defined. I'll see if I 
> can do that tomorrow.
> 

Just let you know, Windows8.1 calls EFI on these boxes for reboot/shutdown.

I'll be surprise if other windows version ignores RESET_REG_SUP to use
ACPI reset registers.

=========ACPI spec ==============================
RESET_REG_SUP: If set, indicates the system supports system reset via
the FADT RESET_REG as described in Section 4.8.3.6
=================================================

Thanks for checking that, please keep me posted. I'll re-submit the
patch after you have an update.

-Aubrey

  reply	other threads:[~2014-02-28  6:40 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28  4:11 [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop Li, Aubrey
2014-02-28  4:56 ` Matthew Garrett
2014-02-28  5:22   ` Li, Aubrey
2014-02-28  5:56     ` Matthew Garrett
2014-02-28  6:07       ` Li, Aubrey
2014-02-28  6:12         ` Matthew Garrett
2014-02-28  6:20           ` Li, Aubrey
2014-02-28  6:23             ` Matthew Garrett
2014-02-28  6:39               ` Li, Aubrey [this message]
2014-02-28  6:44                 ` Matthew Garrett
2014-02-28  6:54                   ` Li, Aubrey
2014-02-28 17:47                     ` H. Peter Anvin
2014-02-28 22:11                       ` Li, Aubrey
2014-02-28 22:16                         ` Adam Williamson
2014-03-01 17:10                         ` Li, Aubrey
2014-03-01 17:22                           ` Matthew Garrett
2014-03-01 17:31                             ` Li, Aubrey
2014-03-01 18:19                               ` Matthew Garrett
2014-03-01 19:01                                 ` Matthew Garrett
2014-03-02  0:15                                   ` Li, Aubrey
2014-03-01 20:06                             ` H. Peter Anvin
2014-03-01 20:21                               ` Matthew Garrett
2014-03-01 20:26                                 ` H. Peter Anvin
2014-03-02  0:26                                   ` Li, Aubrey
2014-03-02  0:33                                     ` H. Peter Anvin
2014-03-02  1:47                                       ` Li, Aubrey
2014-03-02  2:07                                         ` H. Peter Anvin
2014-03-02  2:20                                           ` Li, Aubrey
2014-03-02  2:23                                           ` Matthew Garrett
2014-03-02  2:35                                             ` H. Peter Anvin
2014-03-02 10:39                                               ` Li, Aubrey
2014-03-02 16:52                                                 ` H. Peter Anvin
2014-03-02 22:13                                                   ` Li, Aubrey
2014-03-02 22:26                                                     ` Matthew Garrett
2014-03-02 22:45                                                       ` Li, Aubrey
2014-03-02 23:11                                                         ` Matthew Garrett
2014-03-02 23:23                                                           ` Li, Aubrey
2014-03-03  0:07                                                             ` Matthew Garrett
2014-03-03  0:18                                                               ` H. Peter Anvin
2014-03-03  1:36                                                                 ` Li, Aubrey
2014-03-03  1:47                                                                   ` H. Peter Anvin
2014-03-03  1:49                                                                     ` Li, Aubrey
2014-03-03 22:11                                                                       ` Li, Aubrey
2014-03-02 23:57                                                     ` H. Peter Anvin
2014-03-05 23:39                                                 ` [tip:x86/reboot] x86, reboot: Add EFI and CF9 reboot methods into the default list tip-bot for Li, Aubrey
2014-03-05 23:45                                                 ` [tip:x86/reboot] x86, reboot: Only use CF9_COND automatically, not CF9 tip-bot for H. Peter Anvin

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