freebsd-nq/sys
Robert Watson a0e81bce69 Back out fifo_vnops.c:1.127, which introduced an sx lock around I/O on
a fifo.  While this did indeed close the race, confirming suspicions
about the nature of the problem, it causes difficulties with blocking
I/O on fifos.

Discussed with:		ups
Also spotted by:	Peter Holm <peter at holm dot cc>
2005-09-27 16:45:22 +00:00
..
alpha Replace __RMAN_RESOURCE_VISIBLE with calls to public entry points 2005-09-25 20:12:30 +00:00
amd64 __RMAN_RESOURCE_VISIBLE is not actually needed. 2005-09-25 20:03:41 +00:00
arm Fix multiple abuses of __RMAN_RESOURCE_VISIBLE in the arm code. 2005-09-25 21:06:50 +00:00
boot Cause all flags passed by boot2 to set the respective loader(8) 2005-09-22 15:14:13 +00:00
bsm
cam Make the exploring of all luns supported by an HBA more of a 2005-09-16 01:26:17 +00:00
coda
compat Add GIANT_REQUIRED and WITNESS sleep warnings to uprintf() and tprintf(), 2005-09-19 16:51:43 +00:00
conf OLDCARD is being removed from the tree, so remove it from here. 2005-09-25 21:24:06 +00:00
contrib Fix "struct ifnet" leak if attach() fails in the middle. 2005-09-16 12:49:06 +00:00
crypto
ddb Move the prototypes of db_md_set_watchpoint(), db_md_clr_watchpoint() 2005-09-10 03:01:25 +00:00
dev Backout if_cp 1.26, if_ct 1.27, if_cx 1.47 by obrien: 2005-09-27 16:12:49 +00:00
doc
fs Back out fifo_vnops.c:1.127, which introduced an sx lock around I/O on 2005-09-27 16:45:22 +00:00
gdb
geom o Don't cause a panic when the control request lacks a verb. 2005-09-18 23:54:40 +00:00
gnu Add GIANT_REQUIRED and WITNESS sleep warnings to uprintf() and tprintf(), 2005-09-19 16:51:43 +00:00
i4b
i386 __RMAN_RESOURCE_VISIBLE not necessary. 2005-09-25 20:21:48 +00:00
ia64 Add GIANT_REQUIRED and WITNESS sleep warnings to uprintf() and tprintf(), 2005-09-19 16:51:43 +00:00
isa
isofs/cd9660
kern Update the "created from" section to reflect the most recent version of 2005-09-27 14:36:59 +00:00
libkern
modules Switch from OLDCARD to NEWCARD on pc98. 2005-09-27 13:10:24 +00:00
net Fix an alignment panic my preserving the 2byte padding (ETHER_ALIGN) on our 2005-09-22 01:46:11 +00:00
net80211
netatalk Forward declare atalkdomain with static linkage, not extern, since 2005-09-11 16:04:56 +00:00
netatm
netgraph Fix comment 2005-09-22 19:15:33 +00:00
netinet Implement IP_DONTFRAG IP socket option enabling the Don't Fragment 2005-09-26 20:25:16 +00:00
netinet6 Use monotonic 'time_uptime' instead of 'time_second' as timebase 2005-09-19 22:54:55 +00:00
netipsec Replace custom mbuf writeability test with generic M_WRITABLE() test 2005-09-26 20:35:45 +00:00
netipx Forward declaring static variables as extern is invalid ISO-C. Now that 2005-09-07 10:06:14 +00:00
netkey
netnatm Forward declaring static variables as extern is invalid ISO-C. Now that 2005-09-07 10:06:14 +00:00
netncp
netsmb
nfs
nfs4client
nfsclient Add GIANT_REQUIRED and WITNESS sleep warnings to uprintf() and tprintf(), 2005-09-19 16:51:43 +00:00
nfsserver
opencrypto
pc98 Switch from OLDCARD to NEWCARD on pc98. 2005-09-27 13:10:24 +00:00
pccard Remove the kernel portion of OLDCARD. I'm working on a replacement 2005-09-25 21:29:32 +00:00
pci Small fixes to sis(4): 2005-09-26 18:42:27 +00:00
posix4
powerpc Introduce a kernel config for the Mandatory Access Control framework. 2005-09-18 03:15:36 +00:00
rpc Add GIANT_REQUIRED and WITNESS sleep warnings to uprintf() and tprintf(), 2005-09-19 16:51:43 +00:00
security Add #include <sys/sx.h>, devfs is going to require this shortly. 2005-09-19 18:52:51 +00:00
sparc64 Introduce a kernel config for the Mandatory Access Control framework. 2005-09-18 03:15:36 +00:00
sys Update the "created from" section to reflect the most recent version of 2005-09-27 14:36:59 +00:00
tools Add convenience macros for bus_space usage that doesn't require specification 2005-09-24 20:11:07 +00:00
ufs Restore a historical ufs_inactive behavior that has been changed 2005-09-23 20:49:57 +00:00
vm Make sure we have a bufobj before calling bstrategy(). 2005-09-21 15:01:09 +00:00
Makefile