Alan Cox d19ef81437 The synchronization provided by vm object locking has eliminated the ... need for most calls to vm_page_busy(). Specifically, most calls to vm_page_busy() occur immediately prior to a call to vm_page_remove(). In such cases, the containing vm object is locked across both calls. Consequently, the setting of the vm page's PG_BUSY flag is not even visible to other threads that are following the synchronization protocol. This change (1) eliminates the calls to vm_page_busy() that immediately precede a call to vm_page_remove() or functions, such as vm_page_free() and vm_page_rename(), that call it and (2) relaxes the requirement in vm_page_remove() that the vm page's PG_BUSY flag is set. Now, the vm page's PG_BUSY flag is set only when the vm object lock is released while the vm page is still in transition. Typically, this is when it is undergoing I/O.		2004-11-03 20:17:31 +00:00
..
alpha	Reduce annoying SCSI probing delay from 15 to 5 seconds in all GENRIC kernels.	2004-11-02 20:57:20 +00:00
amd64	Don't use atomic ops to increment interrupt stats. This was only done on	2004-11-03 18:03:06 +00:00
arm	Reduce annoying SCSI probing delay from 15 to 5 seconds in all GENRIC kernels.	2004-11-02 20:57:20 +00:00
boot	Add a loader menu option to set hint.atkbd.0.flags=0x1 which allows USB	2004-10-30 13:45:13 +00:00
cam	Remove references to the second byte of a CCB containing the LUN, as this	2004-10-13 09:31:04 +00:00
coda	Do not use devsw() but si_devsw direction. This is still bogus but a	2004-09-23 12:19:24 +00:00
compat	Rebuild from FreeBSD32 syscalls.master:1.42.	2004-10-23 20:05:42 +00:00
conf	Reduce annoying SCSI probing delay from 15 to 5 seconds in all GENRIC kernels.	2004-11-02 20:57:20 +00:00
contrib	Improved interface handling. This should fix the use of renamed interfaces	2004-11-03 17:21:12 +00:00
crypto	For variables that are only checked with defined(), don't provide	2004-10-24 15:33:08 +00:00
ddb	- Change the ddb paging "support" to use a variable (db_lines_per_page) to	2004-11-01 22:15:15 +00:00
dev	The ehci_dump() function shouldn't be declared static, as it is	2004-11-03 15:12:18 +00:00
doc
fs	Don't give disks special treatment, they don't come this way anymore.	2004-10-29 11:10:55 +00:00
gdb
geom	Stop dumping the MBR entries under bootverbose	2004-11-03 09:08:33 +00:00
gnu	Move EXT2FS to GEOM backing instead of DEVFS.	2004-10-29 10:42:30 +00:00
i4b	Mark i4b IPR and SPPP drivers as NET_NEEDS_GIANT(), as they both	2004-10-12 09:25:52 +00:00
i386	Don't use atomic ops to increment interrupt stats. This was only done on	2004-11-03 18:03:06 +00:00
ia64	- Change the ddb paging "support" to use a variable (db_lines_per_page) to	2004-11-01 22:15:15 +00:00
isa	Stop printing the VGA registers during verbose boot, in order to not	2004-11-03 09:07:44 +00:00
isofs/cd9660	Move CD9660 to GEOM backing instead of DEVFS.	2004-10-29 10:41:44 +00:00
kern	The synchronization provided by vm object locking has eliminated the	2004-11-03 20:17:31 +00:00
libkern	Don't attempt to profile __udivsi3() and friends, as mcount() uses them.	2004-10-01 16:44:08 +00:00
modules	IPDIVERT is a module now and tell the other parts of the kernel about it.	2004-10-25 20:02:34 +00:00
net	Utilize m_uiotombuf() in device write method, instead of home-grown	2004-10-31 17:39:46 +00:00
net80211
netatalk	Push acquisition of the accept mutex out of sofree() into the caller	2004-10-18 22:19:43 +00:00
netatm	Push acquisition of the accept mutex out of sofree() into the caller	2004-10-18 22:19:43 +00:00
netgraph	Fix kernel build (caused by recent ng_{un}timeout API change)	2004-11-03 18:00:49 +00:00
netinet	Remove RFC1644 T/TCP support from the TCP side of the network stack.	2004-11-02 22:22:22 +00:00
netinet6	fixed a bug that incorrect IPsec request level may be returned for proto AH	2004-10-28 09:24:45 +00:00
netipsec	Remove extraneous SECPOLICY_LOCK_DESTROY calls that cause the mutex to be	2004-10-02 00:19:05 +00:00
netipx	Push acquisition of the accept mutex out of sofree() into the caller	2004-10-18 22:19:43 +00:00
netkey	Merge netipsec/key.c:1.17 into KAME pfkey implementation:	2004-09-30 00:49:55 +00:00
netnatm	Push acquisition of the accept mutex out of sofree() into the caller	2004-10-18 22:19:43 +00:00
netncp	Add missing zero flag argument.	2004-10-12 08:22:08 +00:00
netsmb
nfs
nfs4client	comment out debug printf.	2004-10-27 23:19:34 +00:00
nfsclient	Move the buffer method vector (buf->b_op) to the bufobj.	2004-10-24 20:03:41 +00:00
nfsserver	Add b_bufobj to struct buf which eventually will eliminate the need for b_vp.	2004-10-22 08:47:20 +00:00
opencrypto
pc98	- Change the ddb paging "support" to use a variable (db_lines_per_page) to	2004-11-01 22:15:15 +00:00
pccard
pci	* Correct an off-by-one reading vpd ro data.	2004-11-01 17:21:04 +00:00
posix4
powerpc	Reduce annoying SCSI probing delay from 15 to 5 seconds in all GENRIC kernels.	2004-11-02 20:57:20 +00:00
rpc	Prefer C99's __func__ over GCC's __FUNCTION__.	2004-09-23 18:25:46 +00:00
security	Disable use of synchronization early in the boot by the MAC Framework;	2004-10-30 14:20:59 +00:00
sparc64	The synchronization provided by vm object locking has eliminated the	2004-11-03 20:17:31 +00:00
sys	Restore TTYDEF_LFLAG to set echo bits.	2004-11-03 19:16:55 +00:00
tools
ufs	Move UFS from DEVFS backing to GEOM backing.	2004-10-29 10:15:56 +00:00
vm	The synchronization provided by vm object locking has eliminated the	2004-11-03 20:17:31 +00:00
Makefile	Add a NO_BOOT knob to prevent building the boot blocks and loader.	2004-08-19 09:54:28 +00:00