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120a25d68a
freebsd-dev/sys
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Jake Burkholder 120a25d68a 1. Setup the user stack pointer before returning to a user trap handler. 
If we don't do this here there's a 1 instruction race where an interrupt
   could come in and crash the user process due to having no stack.
2. Pass %fsr to the user trap handler in %l4.  Since %fsr can only be loaded
   from or stored to memory, we need to do some contortions and temporarily
   save it to the alternate global stack.
3. Reload the pcb and pcpu registers for traps in kernel mode, for sanity.

Submitted by:	tmm (1, 2)
2002-02-23 18:55:21 +00:00
..
alpha Add some DIAGNOSTIC code. 2002-02-22 23:58:22 +00:00
amd64 Add some DIAGNOSTIC code. 2002-02-22 23:58:22 +00:00
arm
boot Keep track of the ttes used to map the kernel and pass them to it as loader 2002-02-23 11:06:37 +00:00
cam GC: BIO_ORDERED going away. 2002-02-22 09:18:46 +00:00
coda Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
compat Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
conf Don't echo a comment during make depend. 2002-02-23 01:49:13 +00:00
contrib Resolve conflicts arising from the ACPI CA 20020217 import. 2002-02-23 05:16:34 +00:00
crypto
ddb ^U kills an entire input line in most applications, 2002-02-12 23:38:40 +00:00
dev Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
fs Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
geom Reduce kernel stack usage of ccdinit() by MAXPATHLEN by using MALLOC(9). 2001-12-30 17:34:19 +00:00
gnu
i4b Make call_desc[] extern since it's also defined in layer4/i4b_l4mgmt.c 2002-01-13 19:16:52 +00:00
i386 Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
ia64 Add some DIAGNOSTIC code. 2002-02-22 23:58:22 +00:00
isa Disksort will not "munge" requests, BIO_ORDERED or not, so remove 2002-02-22 09:14:06 +00:00
isofs/cd9660
kern Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
libkern o Move NTOHL() and associated macros into <sys/param.h>. These are 2002-02-18 20:35:27 +00:00
modules (Belatedly) add the required EXPORT_SYMS. I'm not sure the list is complete, 2002-02-22 18:21:20 +00:00
net Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
netatalk Make `options NETATALK' compile after the -fno-common changes. 2002-01-16 11:26:50 +00:00
netatm Replace a few more lines of code orphaned by MFREE going away. 2002-02-07 22:08:32 +00:00
netgraph Send a NGM_PPPOE_ACNAME message to userland when a node is connected. 2002-02-20 15:51:11 +00:00
netinet BUGFIX: make use of the pointer to the target of skipto rules, 2002-02-20 17:15:57 +00:00
netinet6 o Move NTOHL() and associated macros into <sys/param.h>. These are 2002-02-18 20:35:27 +00:00
netipx Pre-KSE/M3 commit. 2002-02-07 20:58:47 +00:00
netkey Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
netnatm Initialise the intrq_present fields at runtime, not link time. This allows 2002-01-08 10:34:03 +00:00
netncp
netns Initialise the intrq_present fields at runtime, not link time. This allows 2002-01-08 10:34:03 +00:00
netsmb Remove redundant checks for iovcnt > 1. This should be handled properly 2002-02-21 16:18:39 +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 a long line touched in previous commit (but not caused by previous 2002-02-07 23:03:41 +00:00
nfsserver The vnode was not being vput()'d in the EEXIST mknod case on the nfs 2002-01-14 19:14:08 +00:00
pc98 Disksort will not "munge" requests, BIO_ORDERED or not, so remove 2002-02-22 09:14:06 +00:00
pccard Add some code which is compatible for NEWCARD. It makes manufacturer 2002-02-20 14:42:36 +00:00
pci Fix a formatting error. 2002-02-17 12:41:50 +00:00
posix4 In a threaded world, differnt priorirites become properties of 2002-02-11 20:37:54 +00:00
powerpc Don't call critical_enter()/critical_exit() around calls to pmap_pvo_enter() 2002-02-23 05:55:51 +00:00
rpc
security/lomac Part I: Update extended attribute API and ABI: 2002-02-10 04:43:22 +00:00
sparc64 1. Setup the user stack pointer before returning to a user trap handler. 2002-02-23 18:55:21 +00:00
svr4
sys Lock struct pgrp, session and sigio. 2002-02-23 11:12:57 +00:00
tools Throw the $FreeBSD$s back in, properly escaping them. 2002-01-04 05:27:47 +00:00
ufs Replace bowrite() with BUF_WRITE in ufs. 2002-02-22 09:03:00 +00:00
vm GC: BIO_ORDERED, various infrastructure dealing with BIO_ORDERED. 2002-02-22 09:26:35 +00:00
Makefile