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f76013d4aa
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pgoyette f76013d4aa Replace the xxx_acquire()/xxx_release() rwlocks with mutexes. There are 
only RW_WRITERs for these, and no RW_READERs, so no need to incur the
extra overhead of allowing for both.  As discussed on tech-kern.

For piixpm and ichsmb, the acquire/release protocol needs to be used,
even if the request is I2C_F_POLL'd (or if the device supports only
polled mode).  Otherwise multiple requests can be running at the same
time, and they stomp on each other and create anomolous results.

Part 2 addresses my PR kern/45889

3 ACKs from releng
2012-02-14 15:08:07 +00:00
bin Remove unused variable. 2012-02-13 12:55:28 +00:00
common Migrate one last leftover bit (used only by the kernel now) to 2012-02-05 14:19:02 +00:00
compat build compat versions of libgomp for everything except mips N64 (for now.) 2011-09-23 06:44:36 +00:00
crypto Use the correct constant. 2012-02-13 13:03:06 +00:00
dist Really skip the current line only if the comment is at the start. 2012-02-03 04:28:55 +00:00
distrib Obsolete /usr/share/man/cat3f that never contained any files, nor will it. 2012-02-14 14:03:34 +00:00
doc Note removal of quotactl(8) and addition of quotadump(8)/quotarestore(8) 2012-02-13 19:15:30 +00:00
etc Obsolete /usr/share/man/cat3f that never contained any files, nor will it. 2012-02-14 14:03:34 +00:00
external The default configuration for TLS support is supposed to use Sun 2012-02-14 11:25:05 +00:00
extsrc
games PR/45842: Henning Petersen: compare fgets with NULL not 0 2012-01-16 17:38:16 +00:00
gnu Use REG_P, CONST_INT_P, and gcc_unreachable. 2012-02-05 17:34:34 +00:00
include Add userland part of posix_spawn. Libc functions imported from FreeBSD. 2012-02-11 23:31:22 +00:00
lib Update dangling references to quotactl(2), mostly now libquota(3), and to 2012-02-13 19:53:24 +00:00
libexec Import the new apropos/whatis. 2012-02-07 19:13:24 +00:00
regress Import IPFilter 5.1.1 2012-01-30 16:02:57 +00:00
rescue Update location of "less" directory. 2011-07-03 22:05:01 +00:00
sbin Fix typo. 2012-02-14 11:05:32 +00:00
share Update dangling references to quotactl(2), mostly now libquota(3), and to 2012-02-13 19:53:24 +00:00
sys Replace the xxx_acquire()/xxx_release() rwlocks with mutexes. There are 2012-02-14 15:08:07 +00:00
tests Comment out test n3_6 - the data files are missing 2012-02-14 09:17:22 +00:00
tools Disable the sim on mips for next person running gdb7 mknative. 2012-02-09 15:15:58 +00:00
usr.bin Update dangling references to quotactl(2), mostly now libquota(3), and to 2012-02-13 19:53:24 +00:00
usr.sbin Update dangling references to quotactl(2), mostly now libquota(3), and to 2012-02-13 19:53:24 +00:00
x11 Set WARNS?=2. 2011-11-27 00:53:52 +00:00
build.sh Add "live-image" and "install-image" target support to build.sh. 2012-01-22 03:53:29 +00:00
BUILDING Add "live-image" and "install-image" target support to build.sh. 2012-01-22 03:53:29 +00:00
Makefile s/is the not root/is not the root/ in a comment - from Snader_LB 2012-01-24 17:37:34 +00:00
Makefile.inc
UPDATING fix typo/braino 2012-02-09 21:49:31 +00:00