[git pull request] ACPICA patches for Linux-2.6.35

From: Len Brown
Date: Thu May 20 2010 - 01:25:58 EST

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Hi Linus,

please pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git acpica

This will update the files shown below.

Nothing Earth-shaking in this ACPICA update.
The most "interesting", perhaps, is a workaround we had to put in place
for some Toshiba machines which corrupt their DSDT at run-time.

thanks,
Len Brown
Intel Open Source Technology Center

ps. individual patches are available on linux-acpi@xxxxxxxxxxxxxxx
and a consolidated plain patch is available here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/patches/2.6.34/acpi-acpica-20100428-2.6.34-rc5.diff.gz

Documentation/kernel-parameters.txt | 1 +
arch/x86/kernel/acpi/boot.c | 4 +
drivers/acpi/acpica/Makefile | 4 +-
drivers/acpi/acpica/acevents.h | 51 ++-
drivers/acpi/acpica/acglobal.h | 25 +-
drivers/acpi/acpica/acinterp.h | 9 +-
drivers/acpi/acpica/aclocal.h | 19 +-
drivers/acpi/acpica/actables.h | 4 +
drivers/acpi/acpica/dsfield.c | 2 +-
drivers/acpi/acpica/dsmethod.c | 2 +-
drivers/acpi/acpica/dsmthdat.c | 10 +-
drivers/acpi/acpica/dsobject.c | 14 +-
drivers/acpi/acpica/dsopcode.c | 13 +-
drivers/acpi/acpica/dswexec.c | 6 +-
drivers/acpi/acpica/dswstate.c | 10 +-
drivers/acpi/acpica/evevent.c | 2 +-
drivers/acpi/acpica/evgpe.c | 167 ++++++---
drivers/acpi/acpica/evgpeblk.c | 766 +++--------------------------------
drivers/acpi/acpica/evgpeinit.c | 653 +++++++++++++++++++++++++++++
drivers/acpi/acpica/evgpeutil.c | 337 +++++++++++++++
drivers/acpi/acpica/evmisc.c | 2 +-
drivers/acpi/acpica/evxface.c | 24 +-
drivers/acpi/acpica/evxfevnt.c | 191 +++++----
drivers/acpi/acpica/exconfig.c | 21 +-
drivers/acpi/acpica/exconvrt.c | 4 +-
drivers/acpi/acpica/excreate.c | 4 +-
drivers/acpi/acpica/exdebug.c | 261 ++++++++++++
drivers/acpi/acpica/exfield.c | 2 +-
drivers/acpi/acpica/exfldio.c | 16 +-
drivers/acpi/acpica/exmisc.c | 8 +-
drivers/acpi/acpica/exmutex.c | 46 +-
drivers/acpi/acpica/exnames.c | 4 +-
drivers/acpi/acpica/exoparg1.c | 18 +-
drivers/acpi/acpica/exoparg2.c | 37 +--
drivers/acpi/acpica/exoparg3.c | 4 +-
drivers/acpi/acpica/exoparg6.c | 4 +-
drivers/acpi/acpica/exprep.c | 4 +-
drivers/acpi/acpica/exregion.c | 17 +-
drivers/acpi/acpica/exresnte.c | 4 +-
drivers/acpi/acpica/exresolv.c | 11 +-
drivers/acpi/acpica/exresop.c | 8 +-
drivers/acpi/acpica/exstore.c | 218 +----------
drivers/acpi/acpica/exsystem.c | 10 +-
drivers/acpi/acpica/hwregs.c | 6 +-
drivers/acpi/acpica/hwsleep.c | 2 +-
drivers/acpi/acpica/hwvalid.c | 2 +-
drivers/acpi/acpica/nsaccess.c | 2 +-
drivers/acpi/acpica/nsdump.c | 4 +-
drivers/acpi/acpica/nsnames.c | 2 +-
drivers/acpi/acpica/nssearch.c | 2 +-
drivers/acpi/acpica/nsutils.c | 4 +-
drivers/acpi/acpica/psargs.c | 4 +-
drivers/acpi/acpica/psloop.c | 3 +-
drivers/acpi/acpica/psxface.c | 5 +
drivers/acpi/acpica/rscreate.c | 14 +-
drivers/acpi/acpica/rslist.c | 6 +-
drivers/acpi/acpica/rsmisc.c | 4 +-
drivers/acpi/acpica/tbfadt.c | 16 +-
drivers/acpi/acpica/tbfind.c | 2 +-
drivers/acpi/acpica/tbinstal.c | 69 ++--
drivers/acpi/acpica/tbutils.c | 101 ++++-
drivers/acpi/acpica/tbxface.c | 80 +++-
drivers/acpi/acpica/tbxfroot.c | 6 +-
drivers/acpi/acpica/utalloc.c | 2 +-
drivers/acpi/acpica/utcopy.c | 14 +-
drivers/acpi/acpica/utdelete.c | 6 +-
drivers/acpi/acpica/uteval.c | 2 +-
drivers/acpi/acpica/utglobal.c | 1 +
drivers/acpi/acpica/utmisc.c | 6 +-
drivers/acpi/acpica/utmutex.c | 4 +-
drivers/acpi/acpica/utobject.c | 8 +-
drivers/acpi/bus.c | 44 ++
drivers/acpi/scan.c | 2 +-
drivers/acpi/system.c | 5 +-
include/acpi/acexcep.h | 2 +-
include/acpi/acoutput.h | 2 +
include/acpi/acpiosxf.h | 4 +-
include/acpi/acpixf.h | 43 +-
include/acpi/actbl2.h | 27 ++
include/acpi/actypes.h | 44 +-
80 files changed, 2143 insertions(+), 1424 deletions(-)
create mode 100644 drivers/acpi/acpica/evgpeinit.c
create mode 100644 drivers/acpi/acpica/evgpeutil.c
create mode 100644 drivers/acpi/acpica/exdebug.c

through these commits:

Alexey Starikovskiy (1):
ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy

Bob Moore (12):
ACPICA: Add support for MCHI table
ACPICA: Standardize integer output for ACPICA warnings/errors
ACPICA: Update version to 20100304
ACPICA: Update comments/headers, no functional change
ACPICA: Add write support for DataTable operation regions
ACPICA: Update DSDT copy/detection.
ACPICA: Clarify/rename some root table descriptor fields
ACPICA: Add GPE support for dynamically loaded ACPI tables
ACPICA: Split large file, evgpeblk
ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep
ACPICA: Update/clarify some parameter names associated with acpi_handle
ACPICA: Update version to 20100428.

Lin Ming (8):
ACPICA: Enhance configuration for output of AML Debug Object
ACPICA: Fix for possible fault in acpi_ex_release_mutex
ACPICA: Add detection of corrupted/replaced DSDT
ACPICA: Add subsystem option to force copy of DSDT to local memory
ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
ACPICA: Minimize the differences between linux GPE code and ACPICA code base
ACPICA: Prevent possible allocation overrun during object copy
ACPI: fix early DSDT dmi check warnings on ia64

Robert Moore (1):
ACPICA: Update version to 20100331.

with this log:

commit cce4f632db200aef147c59084437168174b23f11
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Wed May 12 09:26:48 2010 +0800

ACPI: fix early DSDT dmi check warnings on ia64

WARNING: at drivers/firmware/dmi_scan.c:423 dmi_matches+0x70/0x160()
dmi check: not initialized yet.

This is caused by commit aa2110c
(ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT).
DMI is not initialized yet in acpi_early_init on ia64.

The DSDT DMI check table is x86 specific, so make it empty on other archs.
And this fixes the warnings on ia64.

Reported-and-tested-by: Tony Luck <tony.luck@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 2aae2d918d88fdf0f8c066520cda0a30409db23f
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Thu May 6 13:59:07 2010 +0800

ACPICA: Update version to 20100428.

Version 20100428.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit b47cf58edfa15cb8f384a4a5e7e7d65babb602f6
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Tue Apr 27 11:54:40 2010 +0800

ACPICA: Update/clarify some parameter names associated with acpi_handle

Simple rename of some parameters to standardize them.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit ada241dcec7eb21ff1690a1ba6213299b743bb5b
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Tue Apr 27 11:48:02 2010 +0800

ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep

Suspend has other meanings in ACPI context, name was misleading.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 17b82327f3e7ab5a068f8019768008ee82d912be
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Tue Apr 27 11:46:25 2010 +0800

ACPICA: Prevent possible allocation overrun during object copy

Original code did not handle the case where the object to be
copied was a namespace node.

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 3fe50208b29b2463eb6c181c1433dd1beb39f282
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Tue Apr 27 11:41:19 2010 +0800

ACPICA: Split large file, evgpeblk

Create two new files, evgpeinit.c and evgpeutil.c. Updated
unix and linux makefiles.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 186c307f008d2a53961cd970aaf7cb9c33e79cb1
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Tue Apr 27 11:32:28 2010 +0800

ACPICA: Add GPE support for dynamically loaded ACPI tables

For all GPEs, including FADT-based and GPE Block Devices, execute
any _PRW methods in the new table, and process any _Lxx/_Exx GPE
methods in the new table. Any runtime GPE that is referred to
by an _Lxx/_Exx method in the new table is immediately enabled.
ACPICA BZ 833.

http://www.acpica.org/bugzilla/show_bug.cgi?id=833

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit b9ee2043096b02e5da8c62f9a8a8f2e172b3606b
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Tue Apr 27 11:16:14 2010 +0800

ACPICA: Clarify/rename some root table descriptor fields

Original fields were not very descriptive and led to maintenance
problems. New fields should help to understand the existing code.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit e4eb0450c5d61dd0064ef0904d74088d35284ae2
Author: Robert Moore <robert.moore@xxxxxxxxx>
Date: Thu Apr 8 14:57:43 2010 +0800

ACPICA: Update version to 20100331.

Version 20100331.

Signed-off-by: Robert Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 0f849d2cc6863c7874889ea60a871fb71399dd3f
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Tue Apr 6 14:52:37 2010 +0800

ACPICA: Minimize the differences between linux GPE code and ACPICA code base

We have ported Rafael's major GPE changes
(ACPI: Use GPE reference counting to support shared GPEs) into ACPICA code base.
But the port and Rafael's original patch have some differences, so we made
below patch to make linux GPE code consistent with ACPICA code base.

Most changes are about comments and coding styles.
Other noticeable changes are based on:

Rafael: Reduce code duplication related to GPE lookup
https://patchwork.kernel.org/patch/86237/

Rafael: Always use the same lock for GPE locking
https://patchwork.kernel.org/patch/90471/

A new field gpe_count in struct acpi_gpe_block_info to record the number
of individual GPEs in block.

Rename acpi_ev_save_method_info to acpi_ev_match_gpe_method.

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Signed-off-by: Robert Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit aa2110cb1a7510f9b834adfb39b05d4843a35d35
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Thu Apr 8 14:34:27 2010 +0800

ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT

Some BIOS on Toshiba machines corrupt the DSDT, so add a new
boot option acpi=copy_dsdt to workaround it.
Add warning message to ask users to use this option if corrupt DSDT detected.

Also build a DMI blacklist to check it and automatically copy DSDT.

https://bugzilla.kernel.org/show_bug.cgi?id=14679

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 43323cb4c4b619414913f54fef9d492aabadd033
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Wed Apr 7 11:05:11 2010 +0800

ACPICA: Update DSDT copy/detection.

Move initialization of DSDT pointer. Emit address of DSDT
in the dump of both table headers (good/bad DSDT).
Now handles the case where the root table can be reallocated,
which would invalidate the original pointer.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 69ec87efa815d69140423014bb5f91e034faac22
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Thu Apr 1 11:14:12 2010 +0800

ACPICA: Add subsystem option to force copy of DSDT to local memory

Optionally copy the entire DSDT to local memory (instead of
simply mapping it.) There are some BIOSs that corrupt or replace
the original DSDT, creating the need for this option. Default is
FALSE, do not copy the DSDT.

https://bugzilla.kernel.org/show_bug.cgi?id=14679

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 729df0f848daf2f17d02107199fa92efe909d995
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Thu Apr 1 10:47:56 2010 +0800

ACPICA: Add detection of corrupted/replaced DSDT

This change adds support to detect a DSDT that has been corrupted
and/or replaced from outside the OS (by firmware). This is
typically catastrophic for the system, but has been seen on
some machines.

https://bugzilla.kernel.org/show_bug.cgi?id=14679

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit c1637e9c649a0eb72c467041d78275aabdd48a41
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Thu Apr 1 11:09:00 2010 +0800

ACPICA: Add write support for DataTable operation regions

The original implementation only supported reading from a DataTable
region. However, some machines have been seen that actually write
to the ACPI table contained in such a region. This change adds
support for writing to a DataTable region.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 333b04ae338e3421297d46c508f053a6767d2883
Author: Alexey Starikovskiy <astarikovskiy@xxxxxxx>
Date: Thu Apr 1 11:06:34 2010 +0800

ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy

When copying the root table to the new allocation, the length
used was incorrect. The new size was used instead of the current
table size, meaning too much data was copied.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@xxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit a7499bc84eabb200f9dc23770a46d9a31b1e763a
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Thu Apr 1 11:04:54 2010 +0800

ACPICA: Update comments/headers, no functional change

Also split some long lines.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 21e44ba85b0bc9ec970dd2ddb37966ef8c23ad24
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Fri Mar 5 18:01:03 2010 +0800

ACPICA: Update version to 20100304

Version 20100304.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit e0f40281d52161dddeb1bc12879425266a53f26f
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Fri Mar 5 17:59:54 2010 +0800

ACPICA: Fix for possible fault in acpi_ex_release_mutex

Fixed a problem with the AML Mutex handling function
acpi_ex_release_mutex where the function could fault under the very
rare condition when the interpreter has blocked, the interpreter
lock is released, the interpreter is then reentered via the
same thread, and attempts to acquire a mutex that was previously
acquired. FreeBSD report 140979.

http://www.freebsd.org/cgi/query-pr.cgi?pr=140979

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit f6a22b0bc417042e83117f52ab1a03696af185ab
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Fri Mar 5 17:56:40 2010 +0800

ACPICA: Standardize integer output for ACPICA warnings/errors

Always use 0x prefix for hex output, use %u for integer output
(all integers are unsigned.)

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 0e264f0bc22207b99f33ee06e614186480682f15
Author: Bob Moore <robert.moore@xxxxxxxxx>
Date: Wed Mar 3 16:30:35 2010 +0800

ACPICA: Add support for MCHI table

Disassembler and header file support for MCHI - Managment
Controller Host Interface table.

Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>

commit 4cdf1a562bfb5852954aadbe8515557b8acc8168
Author: Lin Ming <ming.m.lin@xxxxxxxxx>
Date: Wed Mar 3 16:28:28 2010 +0800

ACPICA: Enhance configuration for output of AML Debug Object

This change will enable debug object output via a global variable,
acpi_gbl_enable_aml_debug_object. This will help with remote machine
debugging. Also, moved all debug object support code to a new
file, exdebug.c. Entire debug object module can now be
configured out of the ACPICA build if desired.

Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
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