From: "H. Peter Anvin" <hpa@zytor.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Andy Lutomirski <luto@myrealbox.com>,
LKML <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>,
public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@lo.gmane.org,
Ingo Molnar <mingo@elte.hu>,
pm list <linux-pm@lists.linux-foundation.org>
Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume
Date: Sun, 13 Jul 2008 19:35:45 -0700 [thread overview]
Message-ID: <487ABB81.8020100@zytor.com> (raw)
In-Reply-To: <200807132229.43140.rjw@sisk.pl>
Rafael J. Wysocki wrote:
>
> If s3_bios depends on the (invalid) contents of the hidden part of any segment
> register, it's just terminally broken.
>
Depending on it being in Big Real Mode isn't all that broken, however,
especially on laptops where the vendor has control over the system
BIOS/video BIOS.
Enabling BRM by default *shouldn't* break anything, so it might be what
we want to do anyway.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Andi Kleen <andi@firstfloor.org>,
Andy Lutomirski <luto@myrealbox.com>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Ingo Molnar <mingo@elte.hu>,
public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@lo.gmane.org,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
pm list <linux-pm@lists.linux-foundation.org>,
Pavel Machek <pavel@ucw.cz>
Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume
Date: Sun, 13 Jul 2008 19:35:45 -0700 [thread overview]
Message-ID: <487ABB81.8020100@zytor.com> (raw)
In-Reply-To: <200807132229.43140.rjw@sisk.pl>
Rafael J. Wysocki wrote:
>
> If s3_bios depends on the (invalid) contents of the hidden part of any segment
> register, it's just terminally broken.
>
Depending on it being in Big Real Mode isn't all that broken, however,
especially on laptops where the vendor has control over the system
BIOS/video BIOS.
Enabling BRM by default *shouldn't* break anything, so it might be what
we want to do anyway.
-hpa
next prev parent reply other threads:[~2008-07-14 2:35 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-30 23:48 [RFT] x86 acpi: normalize segment descriptor register on resume Rafael J. Wysocki
2008-06-30 23:48 ` Rafael J. Wysocki
2008-07-01 0:05 ` H. Peter Anvin
[not found] ` <200807010148.02135.rjw-KKrjLPT3xs0@public.gmane.org>
2008-07-01 0:05 ` H. Peter Anvin
2008-07-01 0:05 ` H. Peter Anvin
2008-07-01 6:31 ` Ingo Molnar
2008-07-01 6:31 ` Ingo Molnar
2008-07-01 6:54 ` H. Peter Anvin
[not found] ` <20080701063133.GC16642-X9Un+BFzKDI@public.gmane.org>
2008-07-01 6:54 ` H. Peter Anvin
2008-07-01 6:54 ` H. Peter Anvin
2008-07-01 6:54 ` H. Peter Anvin
2008-07-01 9:19 ` Pavel Machek
2008-07-01 9:19 ` Pavel Machek
2008-07-01 20:39 ` Rafael J. Wysocki
2008-07-01 20:42 ` Andi Kleen
2008-07-01 20:50 ` Rafael J. Wysocki
2008-07-01 20:52 ` Andi Kleen
2008-07-01 20:52 ` Andi Kleen
2008-07-01 20:50 ` Rafael J. Wysocki
[not found] ` <486A96C1.2020106-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>
2008-07-12 6:29 ` Andy Lutomirski
2008-07-12 6:29 ` Andy Lutomirski
2008-07-12 12:08 ` Andi Kleen
[not found] ` <48789EC3.2070701-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>
2008-07-12 15:08 ` Andy Lutomirski
2008-07-12 15:08 ` Andy Lutomirski
2008-07-12 12:08 ` Andi Kleen
[not found] ` <48784F51.1010407-YSGFQ8SKJZVDPfheJLI6IQ@public.gmane.org>
2008-07-12 18:51 ` Rafael J. Wysocki
2008-07-12 18:51 ` Rafael J. Wysocki
2008-07-12 20:31 ` Andy Lutomirski
2008-07-12 20:31 ` Andy Lutomirski
[not found] ` <48791484.4010408-YSGFQ8SKJZVDPfheJLI6IQ@public.gmane.org>
2008-07-12 20:47 ` Rafael J. Wysocki
2008-07-12 20:47 ` Rafael J. Wysocki
2008-07-12 20:47 ` Rafael J. Wysocki
2008-07-12 20:47 ` Rafael J. Wysocki
[not found] ` <200807122051.25634.rjw-KKrjLPT3xs0@public.gmane.org>
2008-07-12 20:39 ` Andy Lutomirski
2008-07-12 20:39 ` Andy Lutomirski
2008-07-12 20:39 ` Andy Lutomirski
[not found] ` <48791675.6060805-YSGFQ8SKJZVDPfheJLI6IQ@public.gmane.org>
2008-07-12 20:53 ` Rafael J. Wysocki
2008-07-12 20:53 ` Rafael J. Wysocki
2008-07-12 20:53 ` Rafael J. Wysocki
2008-07-12 23:11 ` Andy Lutomirski
2008-07-12 23:33 ` Rafael J. Wysocki
2008-07-12 23:33 ` Rafael J. Wysocki
2008-07-13 8:56 ` Pavel Machek
2008-07-13 18:16 ` H. Peter Anvin
2008-07-13 18:16 ` H. Peter Anvin
2008-07-14 6:36 ` Pavel Machek
2008-07-14 6:36 ` Pavel Machek
2008-07-13 8:56 ` Pavel Machek
2008-07-13 9:15 ` Ingo Molnar
2008-07-13 12:02 ` Matthew Garrett
2008-07-13 12:02 ` Matthew Garrett
2008-07-13 15:50 ` Andy Lutomirski
2008-07-13 18:43 ` Andi Kleen
2008-07-13 18:43 ` Andi Kleen
2008-07-13 19:15 ` Rafael J. Wysocki
2008-07-13 20:11 ` Andi Kleen
2008-07-13 20:11 ` Andi Kleen
2008-07-13 20:29 ` Rafael J. Wysocki
2008-07-13 20:29 ` Rafael J. Wysocki
2008-07-14 2:35 ` H. Peter Anvin [this message]
2008-07-14 2:35 ` H. Peter Anvin
2008-07-14 20:10 ` Rafael J. Wysocki
2008-07-14 20:10 ` Rafael J. Wysocki
2008-07-13 20:38 ` H. Peter Anvin
2008-07-13 20:38 ` H. Peter Anvin
2008-07-14 1:31 ` Matthew Garrett
2008-07-14 1:31 ` Matthew Garrett
2008-07-14 4:18 ` H. Peter Anvin
2008-07-14 4:18 ` H. Peter Anvin
2008-07-14 7:39 ` Pavel Machek
2008-07-14 7:39 ` Pavel Machek
2008-07-14 20:09 ` Rafael J. Wysocki
2008-07-14 20:09 ` Rafael J. Wysocki
2008-07-16 14:13 ` Andrew Lutomirski
2008-07-16 14:23 ` Ingo Molnar
2008-07-16 14:23 ` Ingo Molnar
2008-07-16 14:13 ` Andrew Lutomirski
2008-07-13 19:15 ` Rafael J. Wysocki
2008-07-13 20:16 ` H. Peter Anvin
2008-07-13 20:16 ` H. Peter Anvin
2008-07-13 20:21 ` Andi Kleen
2008-07-13 20:32 ` Rafael J. Wysocki
2008-07-13 20:32 ` Rafael J. Wysocki
2008-07-14 1:22 ` Henrique de Moraes Holschuh
2008-07-14 1:22 ` Henrique de Moraes Holschuh
2008-07-14 6:14 ` Pavel Machek
2008-07-14 11:22 ` Henrique de Moraes Holschuh
2008-07-14 11:22 ` Henrique de Moraes Holschuh
2008-07-14 6:14 ` Pavel Machek
2008-07-13 20:21 ` Andi Kleen
2008-07-13 18:43 ` Andi Kleen
2008-07-13 18:02 ` Rafael J. Wysocki
2008-07-13 18:02 ` Rafael J. Wysocki
2008-07-13 9:15 ` Ingo Molnar
2008-07-12 20:53 ` Rafael J. Wysocki
2008-07-12 18:51 ` Rafael J. Wysocki
2008-07-01 20:42 ` Andi Kleen
2008-07-01 20:39 ` Rafael J. Wysocki
2008-07-01 7:02 ` H. Peter Anvin
2008-07-01 7:02 ` H. Peter Anvin
2008-07-01 13:01 ` Andi Kleen
2008-07-01 15:55 ` H. Peter Anvin
2008-07-01 15:55 ` H. Peter Anvin
2008-07-01 16:21 ` Andi Kleen
[not found] ` <486A5378.7020601-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-07-01 16:21 ` Andi Kleen
2008-07-01 16:21 ` Andi Kleen
2008-07-01 17:28 ` H. Peter Anvin
2008-07-01 17:28 ` H. Peter Anvin
2008-07-01 13:01 ` Andi Kleen
2008-07-01 7:02 ` H. Peter Anvin
2008-07-01 6:31 ` Ingo Molnar
2008-07-01 7:20 ` Ingo Molnar
[not found] ` <20080701072024.GB26601-X9Un+BFzKDI@public.gmane.org>
2008-07-01 7:28 ` Andrew Morton
2008-07-01 7:28 ` Andrew Morton
2008-07-01 7:45 ` Ingo Molnar
2008-07-01 7:45 ` Ingo Molnar
2008-07-01 7:28 ` Andrew Morton
2008-07-01 7:20 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2008-06-30 23:48 Rafael J. Wysocki
2008-07-12 23:07 H. Peter Anvin
2008-07-12 23:07 ` H. Peter Anvin
2008-07-12 23:07 H. Peter Anvin
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