ACPI for 2.4

Hi Marcelo, please do a

bk pull bk://linux-acpi.bkbits.net/linux-acpi-release-2.4.26

Several key fixes.
SCI polarity/trigger fix
cardbus bridge interrupt fix
maxcpus=N/2 can now be used (like NR_CPUS) to disable HT

thanks,
-Len

ps. a plain patch is also available here:
ftp://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/patches/release/2.4.26/acpi-20040311-2.4.26.diff.gz

This will update the following files:

 Documentation/kernel-parameters.txt |    5 -
 arch/i386/kernel/acpi.c             |  111 +++++++++++++++++-------
 arch/i386/kernel/dmi_scan.c         |   13 +-
 arch/i386/kernel/mpparse.c          |   81 +++--------------
 arch/i386/kernel/setup.c            |   30 +++++-
 arch/i386/kernel/smpboot.c          |   16 ---
 arch/ia64/kernel/acpi.c             |    2 
 arch/x86_64/kernel/acpi.c           |  109 ++++++++++++++++-------
 arch/x86_64/kernel/e820.c           |   28 +++++-
 arch/x86_64/kernel/mpparse.c        |   74 +++-------------
 arch/x86_64/kernel/setup.c          |    3 
 arch/x86_64/kernel/smpboot.c        |   17 ---
 drivers/acpi/bus.c                  |   39 +++-----
 drivers/acpi/pci_irq.c              |   14 ++-
 drivers/acpi/processor.c            |    4 
 drivers/acpi/toshiba_acpi.c         |   55 +++++------
 drivers/char/sonypi.h               |    1 
 include/acpi/acpi_bus.h             |    2 
 include/asm-i386/acpi.h             |    3 
 include/asm-i386/mpspec.h           |    3 
 include/asm-ia64/acpi.h             |    2 
 include/asm-x86_64/acpi.h           |    5 -
 include/asm-x86_64/mpspec.h         |    1 
 include/asm-x86_64/proto.h          |    1 
 24 files changed, 315 insertions(+), 304 deletions(-)

through these ChangeSets:

<[email protected]> (04/03/23 1.1063.46.88)
[ACPI] ACPI SCI shall be level/low unless explicit over-ride
http://bugzilla.kernel.org/show_bug.cgi?id=1622
add "acpi_sci=edge" and "acpi_sci=high" manual over-ride

<[email protected]> (04/03/23 1.1063.46.87)
[ACPI] toshiba_acpi 0.18 from John Belmonte
add missing copyin

<[email protected]> (04/03/22 1.1063.46.86)
[ACPI] delete POWER_OF_2 array (Pavel Machek)

<[email protected]> (04/03/21 1.1063.46.85)
[ACPI] fix interrupt behind yenta cardbus bridge (David Shaohua Li)
http://bugzilla.kernel.org/show_bug.cgi?id=1564

<[email protected]> (04/03/20 1.1136.93.18)
[ACPI] create disable_acpi()

<[email protected]> (04/03/18 1.1136.93.17)
[ACPI] clean up acpi_disabled use
__initdata on IA64 was a bug since it is referenced by modules.

<[email protected]> (04/03/17 1.1063.46.84)
[ACPI] check "maxcpus=N" early -- same as NR_CPUS check.
http://bugzilla.kernel.org/show_bug.cgi?id=2317

When the BIOS enumerates physical processors before logical, maxcpus=N/2 will now effectively disable HT.

This can be verified by boot messages warning that HT is off:
eg. "maxcpus=2" on a 2xHT system:

Total of 2 processors activated (11141.12 BogoMIPS).
WARNING: No sibling found for CPU 0.
WARNING: No sibling found for CPU 1.

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Patch for 2.4.25 seems to be updated too; however, it gives several rejects when applied to a fresh 2.4.25 tree:

./arch/i386/kernel/acpi.c.rej
./arch/x86_64/kernel/acpi.c.rej
./arch/x86_64/kernel/e820.c.rej
./drivers/acpi/system.c.rej
./include/acpi/acconfig.h.rej
./include/asm-x86_64/acpi.h.rej
./include/asm-i386/acpi.h.rej
./include/asm-ia64/acpi.h.rej