From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org, linux-acpi@vger.kernel.org, lenb@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] ACPICA: Fix access width for reset vector
Date: Thu, 9 Dec 2010 23:26:01 +0000 [thread overview]
Message-ID: <20101209232601.GA26343@srcf.ucam.org> (raw)
In-Reply-To: <4D016241.5090503@zytor.com>
On Thu, Dec 09, 2010 at 03:12:01PM -0800, H. Peter Anvin wrote:
> On 12/09/2010 01:46 PM, Matthew Garrett wrote:
>> Section 4.7.3.6 of the ACPI specification requires that the register width
>> of the reset vector be 8 bits. Windows simply hardcodes the access to be
>> a byte and ignores the width provided in the FADT, so make sure that we
>> do the same.
>>
>> Signed-off-by: Matthew Garrett<mjg@redhat.com>
>
> Does anyone have an acpidump from a machine with an ALi 1535 southbridge?
I've got one from an HP nx9005. It's only a revision 1 FADT, so there's
no reset register defined.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2010-12-09 23:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-09 21:46 [PATCH 1/3] X86: Revamp reboot behaviour to match Windows more closely Matthew Garrett
2010-12-09 21:46 ` [PATCH 2/3] ACPICA: Fix access width for reset vector Matthew Garrett
2010-12-09 22:41 ` Rafael J. Wysocki
2010-12-09 23:12 ` H. Peter Anvin
2010-12-09 23:26 ` Matthew Garrett [this message]
2010-12-09 21:46 ` [PATCH 3/3] ACPI: Bug compatibility for Windows on the ACPI reboot vector Matthew Garrett
2010-12-09 22:36 ` H. Peter Anvin
2010-12-09 22:41 ` Rafael J. Wysocki
2010-12-09 22:25 ` [PATCH 1/3] X86: Revamp reboot behaviour to match Windows more closely H. Peter Anvin
2010-12-09 22:32 ` Matthew Garrett
2010-12-09 22:32 ` H. Peter Anvin
2010-12-09 22:38 ` Matthew Garrett
2010-12-09 22:40 ` H. Peter Anvin
2010-12-09 22:51 ` Matthew Garrett
2010-12-09 22:53 ` H. Peter Anvin
2010-12-09 22:58 ` Matthew Garrett
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