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avg 8ee3583cc8 acpi_cpu: fixup for PIIX4E PCI config related to C2
This is triggered only if BIOS configures ACPI_BITREG_BUS_MASTER_RLD
aka BRLD_EN_BM to 1.
Rationale:
1. we do not support C3 on PIIX4E
2. bus master activity need not break out of C2 state
3. because of CPU_QUIRK_NO_BM_CTRL quirk we may reset bus master
   status which would result in immediate break out from C2

So if you have seen
cpu0: too many short sleeps, backing off to C1
with this chipset before you may want to try cx_lowest of C2 again.

Reviewed by: rpaulo (mentor), njl
Approved by: rpaulo (mentor)
2009-02-19 14:39:52 +00:00
bin Before this fix, pax would stop the restore sequence for 2009-02-01 06:15:46 +00:00
cddl Correct the sense of the "use32" terenary operator so that it uses 2009-01-16 22:16:54 +00:00
contrib Add an extra (void *) cast. The struct if_msghdr has an 8 byte 2009-02-18 19:59:27 +00:00
crypto Prevent cross-site forgery attacks on lukemftpd(8) due to splitting 2009-01-07 20:17:55 +00:00
etc Rename the rc.conf(5) knob if_up_delay to defaultroute_delay to better 2009-02-17 11:55:50 +00:00
games netcat is "now" in base, so point people at nc(1) instead of the port. 2009-01-12 19:17:43 +00:00
gnu Honor WITHOUT_INSTALLLIB in some places. 2009-02-13 16:51:36 +00:00
include sys/pccard is gone. 2009-02-15 11:05:50 +00:00
kerberos5 Add strndup(3) prototype to string.h. 2008-12-08 21:04:24 +00:00
lib Don't try to auto-detect dynamic linking; it fails on mips. The Makefile 2009-02-17 16:35:19 +00:00
libexec o Fix typo: indentical -> identical. 2009-01-30 09:42:25 +00:00
release Restore MAKE_FLOPPIES for pc98. 2009-02-14 14:53:51 +00:00
rescue Take a moment to tidy some white space while I'm here. No functional 2008-09-13 19:56:37 +00:00
sbin Fixup handling of roaming and xmit parameters to support 1/2 and 1/4-width 2009-02-19 05:28:03 +00:00
secure Enable getaudit_addr(2) for sshd again. This will un-break the subject 2008-11-30 15:35:24 +00:00
share o grammar fix 2009-02-19 13:45:25 +00:00
sys acpi_cpu: fixup for PIIX4E PCI config related to C2 2009-02-19 14:39:52 +00:00
tools revamp after 1/2 and 1/4 rate changes 2009-02-19 05:36:07 +00:00
usr.bin Now that ifmcstat(8) does not suck, retire host-mode netstat -g. 2009-02-15 16:16:38 +00:00
usr.sbin yppasswdd assumed that a struct x_master_passwd is type punable to a 2009-02-18 22:27:46 +00:00
COPYRIGHT Bump the odometer of the years. A little early this year for 7.1R. 2008-12-30 04:46:25 +00:00
LOCKS Update LOCKS syntax. 2008-06-05 19:47:58 +00:00
MAINTAINERS Update description text 2008-06-06 21:32:01 +00:00
Makefile Permit digits at the beginning and end of kernel config file names for 2008-12-27 15:07:51 +00:00
Makefile.inc1 Implement an idea from Sam Leffler: 2009-01-23 18:23:16 +00:00
ObsoleteFiles.inc Add the pccard header files to ObsoleteFiles.inc. 2009-02-15 18:30:44 +00:00
README
UPDATING Rename the rc.conf(5) knob if_up_delay to defaultroute_delay to better 2009-02-17 11:55:50 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html