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52378b8acd
freebsd-dev/sys
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Robert Watson 52378b8acd To reduce per-return overhead of userret(), call into 
mac_thread_userret() only if PS_MACPEND is set in the process AST mask.
This avoids the cost of the entry point in the common case, but
requires policies interested in the userret event to set the flag
(protected by the scheduler lock) if they do want the event.  Since
all the policies that we're working with which use mac_thread_userret()
use the entry point only selectively to perform operations deferred
for locking reasons, this maintains the desired semantics.

Approved by:	re
Requested by:	bde
Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
2002-11-08 19:00:17 +00:00
..
alpha - Update the SIMOS fp-stealing code to KSE-II and beyond. 2002-11-08 15:24:32 +00:00
amd64 Move the definitions of the hw.physmem, hw.usermem and hw.availpages 2002-11-07 23:57:17 +00:00
arm Add standards visibility conditionals. Change any uses of sigset_t to 2002-10-13 00:31:46 +00:00
boot Correctly recognize both bogus and genuine BSD disklabels. 2002-11-03 21:47:55 +00:00
cam * Add CDRIOC{READ,WRITE}SPEED ioctls to cd(4). Units are in KB/sec. 2002-10-18 22:03:39 +00:00
coda Back our kernel support for reliable signal queues. 2002-10-01 17:15:53 +00:00
compat Bring in two sets of changes: 2002-11-05 17:51:56 +00:00
conf Make xrpu(4) i386-only. Consumers of i386_btop() are not MI. 2002-11-08 15:05:16 +00:00
contrib Replace aux mbufs with packet tags: 2002-10-16 01:54:46 +00:00
crypto Make this compilable from userland as well. 2002-11-01 08:56:39 +00:00
ddb - Rename the DDB specific %z printf format to %y. 2002-10-25 19:41:32 +00:00
dev Use critical_enter/exit instead of disable/enable_intr to make this 2002-11-08 18:32:57 +00:00
fs Cast a pointer to a uintptr_t to quiet a warning. 2002-11-07 22:35:45 +00:00
geom Remove harmless but irritating printf. 2002-11-08 15:35:16 +00:00
gnu MFufs 1.33: 2002-10-18 21:41:41 +00:00
i4b Don't include the depricated "bpf.h" and always compile in bpf support 2002-10-21 05:05:43 +00:00
i386 Make xrpu(4) i386-only. Consumers of i386_btop() are not MI. 2002-11-08 15:05:16 +00:00
ia64 Move the definitions of the hw.physmem, hw.usermem and hw.availpages 2002-11-07 23:57:17 +00:00
isa Fix compile with options SC_NO_SUSPEND_VTYSWITCH. 2002-10-17 16:09:13 +00:00
isofs/cd9660 Unbreak MNT_UPDATE when running with cd as root. Detect mountroot by 2002-11-02 20:16:55 +00:00
kern To reduce per-return overhead of userret(), call into 2002-11-08 19:00:17 +00:00
libkern Slight overhaul of arc4random() and friends. 2002-10-11 13:13:08 +00:00
modules Move firewire back to being MI. 2002-11-07 16:19:43 +00:00
net Add a cast to quiet a warning. 2002-11-07 22:49:15 +00:00
netatalk Add more ethernet types and move AppleTalk types into proper location. 2002-09-06 17:02:29 +00:00
netatm - Change the ATM stack functions to use intptr_t instead of int for opaque 2002-11-08 18:27:30 +00:00
netgraph Use %z to print a size_t value. 2002-11-08 14:50:44 +00:00
netinet Cast a ptrdiff_t to an int to printf. 2002-11-08 14:52:26 +00:00
netinet6 plugged memory leakage in some erroneous cases 2002-10-31 19:45:48 +00:00
netipsec "Fast IPsec": this is an experimental IPsec implementation that is derived 2002-10-16 02:10:08 +00:00
netipx Replace aux mbufs with packet tags: 2002-10-16 01:54:46 +00:00
netkey - fixed the order of searching SA table for packets. 2002-07-10 16:39:38 +00:00
netnatm Be consistent about functions being static. 2002-10-16 09:19:17 +00:00
netncp Change iov_base's type from char *' to the standard void *'. All 2002-10-11 14:58:34 +00:00
netns Use m_length() instead of home-rolled versions. 2002-09-18 19:44:14 +00:00
netsmb Some kernel threads try to do significant work, and the default KSTACK_PAGES 2002-10-02 07:44:29 +00:00
nfs Change iov_base's type from char *' to the standard void *'. All 2002-10-11 14:58:34 +00:00
nfsclient Don't examine an un-initialized variable. 2002-10-20 21:52:05 +00:00
nfsserver Permit MAC policies to instrument the access control decisions for 2002-11-04 15:13:36 +00:00
opencrypto Module-ize the 'core' crypto stuff. This may still need to be compiled 2002-10-16 14:31:34 +00:00
pc98 Move the definitions of the hw.physmem, hw.usermem and hw.availpages 2002-11-07 23:57:17 +00:00
pccard MFp4: Comment about not assuming INTA# for 6729 2002-10-07 07:02:48 +00:00
pci Wrap a device_printf() that violates bus space abstractions to figure out 2002-11-08 15:01:02 +00:00
posix4 Change the way support for asynchronous I/O is indicated to applications 2002-10-27 18:07:41 +00:00
powerpc Move the definitions of the hw.physmem, hw.usermem and hw.availpages 2002-11-07 23:57:17 +00:00
rpc
security Update MAC modules for changes in arguments for exec MAC policy 2002-11-08 18:04:36 +00:00
sparc64 Remove physmem from here, too, as it is defined in vm_init.c since 2002-11-08 11:10:50 +00:00
sys To reduce per-return overhead of userret(), call into 2002-11-08 19:00:17 +00:00
tools - Move ASSERT_VOP_*LOCK* functionality into functions in vfs_subr.c 2002-09-26 04:48:44 +00:00
ufs Update licenses and wording: NAI has authorized the removal of clause three 2002-11-04 02:35:46 +00:00
vm Move the definitions of the hw.physmem, hw.usermem and hw.availpages 2002-11-07 23:57:17 +00:00
Makefile