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34aef253aa
freebsd-nq/sys
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Jake Burkholder 34aef253aa Fix obscure problems with vfork where part of the parent's stack could be 
clobbered by the child.  This is more complicated than usual because the
window that could get clobbered is pushed in kernel mode, so a lot of
registers would have to be saved in other registers in userland and we
don't have enough.  What we do have is space in the pcb to temporarily
store user windows that were spilled in kernel mode, but could not be
immediately stored to the user stack.  So we copy in the parent's topmost
window and save it in the pcb, and arrange for it to be copied back out
when the child is done frobbing the stack.

Reviewed by:	tmm
2002-03-04 05:07:22 +00:00
..
alpha Make it compile again. 2002-03-01 23:15:45 +00:00
amd64 - Move a comment from being on the same line as a #ifdef to the line 2002-02-28 21:52:08 +00:00
arm We need machine/{signal,ucontext}.h to build a cross GCC compiler. 2001-12-09 19:39:49 +00:00
boot Support for USB fm radio. 2002-03-04 03:51:21 +00:00
cam Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
coda Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
compat Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
conf Support for USB fm radio. 2002-03-04 03:51:21 +00:00
contrib Change two occurrences of HTONS() to use htons(). 2002-02-28 09:56:31 +00:00
crypto off by one error in Aaron Gifford's code. KAME PR 393. 2002-02-26 16:58:58 +00:00
ddb ^U kills an entire input line in most applications, 2002-02-12 23:38:40 +00:00
dev Support for USB fm radio. 2002-03-04 03:51:21 +00:00
fs Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
geom Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
gnu Deverbosified previous 2 commits (removed the rotted list of reasons why 2002-03-02 11:14:13 +00:00
i4b Quiet bogus gcc warning 2002-02-28 03:15:53 +00:00
i386 Support for USB fm radio. 2002-03-04 03:51:21 +00:00
ia64 * Include <sys/ucontext.h> so that this compiles again. 2002-03-03 19:23:15 +00:00
isa revert last commit temporarily due to whining on the lists. 2002-02-26 20:33:41 +00:00
isofs/cd9660 Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
kern Fix bug in mb_alloc that made systems configured with 2002-03-03 22:10:04 +00:00
libkern Add the following functions/macros to support byte order conversions and 2002-02-27 17:16:18 +00:00
modules Support for USB fm radio. 2002-03-04 03:51:21 +00:00
net Fix warnings. 2002-02-28 00:09:17 +00:00
netatalk Make `options NETATALK' compile after the -fno-common changes. 2002-01-16 11:26:50 +00:00
netatm Unbreak fore adapters from POV of warnings. 2002-02-27 21:12:44 +00:00
netgraph Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
netinet - Set inc_isipv6 in tcp6_usr_connect(). 2002-02-28 17:11:10 +00:00
netinet6 - In nd6_rtrequest(), ignored a route when it is created by cloning and 2002-02-28 17:05:46 +00:00
netipx Pre-KSE/M3 commit. 2002-02-07 20:58:47 +00:00
netkey missing splx 2002-03-01 13:13:17 +00:00
netnatm Fix warnings 2002-02-28 03:02:20 +00:00
netncp Update to C99, s/__FUNCTION__/__func__/, 2001-12-10 08:09:49 +00:00
netns Initialise the intrq_present fields at runtime, not link time. This allows 2002-01-08 10:34:03 +00:00
netsmb Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
nfs When the old nfsm_adv() macro was moved to nfsm_adv_xx(), a '>=' 2001-12-31 06:56:31 +00:00
nfsclient Fix warnings.. bootpc_init() and related. 2002-02-28 03:07:35 +00:00
nfsserver Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
pc98 MFi386: revision 1.498. 2002-03-02 13:19:22 +00:00
pccard Get the generic name right 2002-03-03 01:04:39 +00:00
pci Fix warning; amdsmb_abort() is not used. 2002-02-26 01:04:58 +00:00
posix4 In a threaded world, differnt priorirites become properties of 2002-02-11 20:37:54 +00:00
powerpc - Move a comment from being on the same line as a #ifdef to the line 2002-02-28 21:52:08 +00:00
rpc
security/lomac Simple p_ucred -> td_ucred changes to start using the per-thread ucred 2002-02-27 18:32:23 +00:00
sparc64 Fix obscure problems with vfork where part of the parent's stack could be 2002-03-04 05:07:22 +00:00
svr4
sys Provide infrastructure for harvesting SWI entropy. 2002-03-03 20:09:42 +00:00
tools Return vnode_if back to its AWK roots. 2002-03-01 01:20:23 +00:00
ufs Use thread0.td_ucred instead of proc0.p_ucred. This change is cosmetic 2002-02-27 19:18:10 +00:00
vm Call vm_pageq_remove_nowakeup() rather than duplicating it. 2002-03-03 22:36:14 +00:00
Makefile