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
next prev parent 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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