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2d96f0b145
freebsd/sys
History
John Baldwin 2d96f0b145 - Move state about lock objects out of struct lock_object and into a new 
struct lock_instance that is stored in the per-process and per-CPU lock
  lists.  Previously, the lock lists just kept a pointer to each lock held.
  That pointer is now replaced by a lock instance which contains a pointer
  to the lock object, the file and line of the last acquisition of a lock,
  and various flags about a lock including its recursion count.
- If we sleep while holding a sleepable lock, then mark that lock instance
  as having slept and ignore any lock order violations that occur while
  acquiring Giant when we wake up with slept locks.  This is ok because of
  Giant's special nature.
- Allow witness to differentiate between shared and exclusive locks and
  unlocks of a lock.  Witness will now detect the case when a lock is
  acquired first in one mode and then in another.  Mutexes are always
  locked and unlocked exclusively.  Witness will also now detect the case
  where a process attempts to unlock a shared lock while holding an
  exclusive lock and vice versa.
- Fix a bug in the lock list implementation where we used the wrong
  constant to detect the case where a lock list entry was full.
2001-05-04 17:15:16 +00:00
..
alpha Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
amd64 Fixed panics in npx exception handling. When using IRQ13 exception 2001-05-02 13:06:58 +00:00
arm/include Correct disordering which is corresponding to bde's fix to 2001-02-17 14:51:11 +00:00
boot * include/elf.h has been repo copied to include/elf-hints.h, and it no 2001-05-02 23:56:21 +00:00
cam Fix up unit attention and selection timeout handling in various peripheral 2001-05-01 19:37:25 +00:00
coda Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
compat Fix the problem of some directory entries going missing when 2001-05-04 05:19:22 +00:00
compile
conf Add a ``digi'' driver. 2001-05-02 01:08:09 +00:00
contrib/dev Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
crypto Kernel crypto need binary key material, not symbolic ascii. 2001-03-10 13:02:58 +00:00
ddb Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
dev Only define DEBUG if it's undefined. This should eventually go, but 2001-05-02 01:47:34 +00:00
fs Convert vnode_pager_freepage() to vm_free_page(). 2001-05-03 09:00:54 +00:00
geom fix a number of printf format string warnings inside DEBUG ifdefs 2001-03-29 15:05:08 +00:00
gnu Remove blatantly pointless call to VOP_BMAP(). 2001-05-01 09:12:05 +00:00
i4b pseudo-device -> device in kernel config. 2001-05-01 11:26:14 +00:00
i386 Fixed panics in npx exception handling. When using IRQ13 exception 2001-05-02 13:06:58 +00:00
ia64 Overhaul of the SMP code. Several portions of the SMP kernel support have 2001-04-27 19:28:25 +00:00
isa Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
isofs/cd9660 Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
kern - Move state about lock objects out of struct lock_object and into a new 2001-05-04 17:15:16 +00:00
libkern Add function prototypes and base module for kernel side iconv library. 2001-04-09 09:39:29 +00:00
miscfs Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
modules Add a ``digi'' driver. 2001-05-02 01:08:09 +00:00
msdosfs Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
net Get IP multicast working on VLAN devices: 2001-05-02 16:12:58 +00:00
netatalk Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
netatm Silence some warnings 2001-03-20 10:42:49 +00:00
netgraph Don't reference a node after we dropped a reference to it 2001-04-11 22:04:47 +00:00
netinet Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
netinet6 Fix typo in previous commit. 2001-04-20 08:43:20 +00:00
netipx Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
netkey Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
netnatm Change a couple of M_WAITOKs used in M_PREPEND() to M_TRYWAITs, which 2001-04-05 04:20:48 +00:00
netncp Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
netns * Rename M_WAIT mbuf subsystem flag to M_TRYWAIT. 2000-12-21 21:44:31 +00:00
netsmb Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
nfs Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
nfsclient Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
nfsserver Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
ntfs Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
nwfs Implement vop_std{get|put}pages() and add them to the default vop[]. 2001-05-01 08:34:45 +00:00
pc98 Merged from sys/isa/sio.c revision 1.330. 2001-05-02 14:02:16 +00:00
pccard My fix to NEWCARD for getting the function type broke oldcard due to 2001-04-21 14:10:32 +00:00
pci Fix the definitions for memory bank sizes, which I somehow got wrong. 2001-04-26 16:40:45 +00:00
posix4 Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
powerpc Undo part of the tangle of having sys/lock.h and sys/mutex.h included in 2001-05-01 08:13:21 +00:00
rpc Bring in a hybrid of SunSoft's transport-independent RPC (TI-RPC) and 2001-03-19 12:50:13 +00:00
svr4
sys - Move state about lock objects out of struct lock_object and into a new 2001-05-04 17:15:16 +00:00
tools replace calls to non-existant bail() subroutine with calls to 2001-03-23 11:48:50 +00:00
ufs Refinement to revision 1.16 of ufs/ffs/ffs_snapshot.c to reduce 2001-05-04 05:49:28 +00:00
vm Putting sys/lockmgr.h in here allows us to depollute userland includes 2001-05-03 11:33:51 +00:00
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