From: Matthew Garrett <mjg@redhat.com>
To: Len Brown <lenb@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Avi Kivity <avi@redhat.com>, Andrey Borzenkov <arvidjaar@mail.ru>,
linux-acpi@vger.kernel.org, Len Brown <len.brown@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Eduardo Habkost <ehabkost@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again)
Date: Wed, 12 Nov 2008 00:27:38 +0000 [thread overview]
Message-ID: <20081112002738.GA949@srcf.ucam.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0811111802440.4480@localhost.localdomain>
On Tue, Nov 11, 2008 at 06:14:31PM -0500, Len Brown wrote:
> On Mon, 10 Nov 2008, Matthew Garrett wrote:
> > All we need now is confirmation as to which versions of Windows use this
> > behaviour.
>
> We knows XP and Vista do it.
How would you feel about having a global variable bitfield containing
the operating systems the firmware queries, and then keying decisions
like this off that?
> But upstream doesn't currently check the FADT.flags.reset-reg-supported bit
> due to a recent bad guess on my part on how to be bug compatible with
> windows.
Mm. Getting that right is probably important, as is trying to figure out
why we break on certain machines in that case. Is it possible that going
via the keyboad controller tends to cause an implicit reset in it that's
not mimiced by the i8042 shutdown code?
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2008-11-12 0:28 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-07 4:45 ACPI patchese on test branch Len Brown
2008-11-07 4:45 ` [PATCH 01/10] ACPI: pci_link: remove acpi_irq_balance_set() interface Len Brown
2008-11-07 4:45 ` [PATCH 02/10] ACPI: Disambiguate processor declaration type Len Brown
2008-11-07 4:45 ` [PATCH 03/10] ACPI: Behave uniquely based on processor declaration definition type Len Brown
2008-11-07 4:45 ` [PATCH 04/10] ACPI: 80 column adherence and spelling fix (no functional change) Len Brown
2008-11-07 4:45 ` [PATCH 05/10] Hibernate: Call platform_begin before swsusp_shrink_memory Len Brown
2008-11-07 4:45 ` [PATCH 06/10] ACPI hibernate: Add a mechanism to save/restore ACPI NVS memory Len Brown
2008-11-07 4:45 ` [PATCH 07/10] x86 hibernate: Mark ACPI NVS memory region at startup Len Brown
2008-11-07 4:45 ` [PATCH 08/10] ACPI hibernate: Introduce new kernel parameter acpi_sleep=s4_nonvs Len Brown
2008-11-07 4:45 ` [PATCH 09/10] compal-laptop: use rfkill switch subsystem Len Brown
2008-11-07 4:45 ` [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again) Len Brown
2008-11-07 7:25 ` Ingo Molnar
2008-11-08 1:41 ` Len Brown
2008-11-08 6:30 ` Andrey Borzenkov
2008-11-08 7:12 ` Len Brown
2008-11-08 7:50 ` Andrey Borzenkov
2008-11-08 11:59 ` Ingo Molnar
2008-11-09 9:55 ` Avi Kivity
2008-11-09 10:00 ` H. Peter Anvin
2008-11-10 8:39 ` Ingo Molnar
2008-11-10 8:54 ` Avi Kivity
2008-11-10 9:02 ` Ingo Molnar
2008-11-11 18:26 ` H. Peter Anvin
2008-11-11 20:29 ` Eric W. Biederman
2008-11-11 20:44 ` Ingo Molnar
2008-11-10 11:59 ` Matthew Garrett
2008-11-10 11:57 ` Matthew Garrett
2008-11-10 12:56 ` Ingo Molnar
2008-11-10 13:00 ` Matthew Garrett
2008-11-11 23:14 ` Len Brown
2008-11-12 0:25 ` Attempt rebooting via port CF9 if it seems to be available H. Peter Anvin
2008-11-12 18:49 ` Andrey Borzenkov
2008-11-12 0:27 ` Matthew Garrett [this message]
2008-11-12 11:58 ` [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again) Ingo Molnar
2008-11-12 12:23 ` Avi Kivity
2008-11-13 3:23 ` Zhao Yakui
2008-11-13 3:18 ` H. Peter Anvin
2008-11-13 3:43 ` Zhao Yakui
2008-11-13 4:10 ` Eric W. Biederman
2008-11-13 4:34 ` H. Peter Anvin
2008-11-13 4:14 ` Eric W. Biederman
2008-11-13 5:29 ` Zhao Yakui
2008-11-13 5:25 ` H. Peter Anvin
2008-11-13 6:56 ` Eric W. Biederman
2008-11-13 6:58 ` Eric W. Biederman
2008-11-13 9:06 ` Zhao Yakui
2008-11-13 17:42 ` H. Peter Anvin
2008-11-14 1:29 ` Zhao Yakui
2008-11-14 1:22 ` H. Peter Anvin
2008-11-14 1:49 ` Zhao Yakui
2008-11-13 3:29 ` Stephen Rothwell
2008-11-08 12:40 ` Rafael J. Wysocki
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