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24da1f6ca4
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6672 Commits

Author SHA1 Message Date
ad
24da1f6ca4 PR kern/36183 problem with ptrace and multithreaded processes 
Fix the famous "gdb + threads = panic" problem.
Also, fix another revivesa merge botch.
 2008-12-13 20:43:38 +00:00
ad
2e606b7b1b sigchecktrace: process SIGKILL before everything else. 2008-12-13 18:55:01 +00:00
christos
15e362cca8 fix endif comment 2008-12-10 18:07:30 +00:00
christos
0bff293dd2 disable VMEM_DEBUG by default. 2008-12-10 17:32:32 +00:00
christos
10fdeaec16 vmem_check_sanity is just too expensive for DEBUG. Enable it only for 
VMEM_DEBUG.
 2008-12-10 16:59:12 +00:00
cegger
33d827105a vmem_check_sanity: refactor overlapping check for better readability. 
Move use of vmem_check_sanity into locked sections. Pointed out by ad@
 2008-12-09 07:54:59 +00:00
cegger
4dfe7b7870 ddb: make show vmem print exact span type 
vmem_check_sanity: print exact span type
vmem_add1: KASSERT span types
 2008-12-07 22:39:01 +00:00
pooka
54b9426187 Move some sysctl node creations away from linksets and into the 
constructors for subsystems.

XXX: CTLFLAG_PERMANENT is non-sensible.
 2008-12-07 20:58:46 +00:00
cegger
f001f650d6 make this compile with MALLOC_DEBUG but w/o DEBUG 2008-12-07 14:24:28 +00:00
cegger
f132fda3fe vmem_check_sanity: fix check to correctly detect even exactly duplicate spans. 2008-12-07 11:49:51 +00:00
ad
7ab182873b Add cpu_softintr_p() for assertions 2008-12-07 11:40:53 +00:00
cegger
bb1d17f443 build fix: make i386 build again 2008-12-07 09:40:42 +00:00
cegger
2aa8aa0f8f Spans may never overlap. Overlapping spans mean memory corruption 
when used by kmem(9), for example.
Do sanity checks to detect such spans on DEBUG kernels.
 2008-12-07 02:21:04 +00:00
cegger
10de0e2b14 ddb: new 'show vmem' and 'show all vmems' commands. 
Useful to inspect vmem(9) structures.
 2008-12-07 00:51:15 +00:00
ad
e91b9bcc27 Make the fake ELF object work with gdb. 
- Output a .bss section and make all the symbols relative to it, instead
  of making them absolute.
- Output a single load section, no need for two.

'gdb /dev/ksyms' still doesn't work because ksyms doesn't do mmap yet.
 2008-12-05 21:38:10 +00:00
ad
8ff4eb83a8 Back out revision 1.35 which is no longer necessary and causes the system 
to try autounloading modules perpetually.
 2008-12-05 12:55:09 +00:00
ad
6efc20038a PR kern/40110: null, overlay and umap modules loading -> panic (layerfs symbols not there) 2008-12-05 12:51:17 +00:00
he
3e2feea4e5 Ksyms are optional, so make the call to ksyms_init() dependent 
on the same conditionals which are defined in sys/conf/files.
 2008-12-04 23:18:13 +00:00
christos
579a92f63b PR/40097: bouyer@antioche.lip6.fr: MODULAR tries to unload non-module subsystems 
Don't try to unload built-in modules, and if a module is busy don't retry
immediately.
 2008-12-03 15:15:01 +00:00
ad
11701b3bf7 Add a couple of sysctls: 
kern.module.autoload = 1
kern.module.verbose = 0
 2008-12-03 12:14:11 +00:00
ad
6cddbf0ca5 Correct error messages added in revision 1.32. In part from drochner@. 2008-12-03 11:23:15 +00:00
ad
7ad98abc71 - Wrap sys/cpu.h contents in _LOCORE. 
- Add a RESCHED_LAZY flag and use instead of zero.
 2008-12-02 17:57:32 +00:00
martin
719a906ef5 As discussed on tech-kern: mutex_init is too heavyweight for early bootstrap 
phases, so move the initialization of the ksyms mutex back into main via
a function called ksyms_init. Rename the existing (but quite different)
ksyms_init* variations into ksyms_addsyms_elf() and ksyms_addsyms_explicit()
and adapt machdep code accordingly.
 2008-11-30 18:21:31 +00:00
elad
67fb7f0d5c PR/40002: Daniel Horecki: sockstat doesn't work for user with sysctl 
security.curtain=1

If the kauth call failed, we'd silently continue the loop, but the error
code would remain and eventually "leak" to userspace. Reset the error to
zero when continuing.

Tested by snj@ and myself. Okay snj@.
 2008-11-28 18:58:59 +00:00
ad
1a8ada2ed9 exec_add, exec_remove: allow zero entries in case a module provides nothing. 2008-11-28 10:55:10 +00:00
christos
78d77f514f better error messages, and more messages for DIAGNOSTIC. 2008-11-27 21:36:51 +00:00
pooka
3c61b47d93 RUMP some syscalls required by nfsd. 2008-11-26 15:01:17 +00:00
ad
9d09ecfa96 sigaction1: we need to remember if the sigcontext method may be useable, 
because libc can use it even if siginfo is available.

Changes are needed in libc to stop this being a performance penalty but
they will come later.
 2008-11-25 16:42:44 +00:00
ad
a5a0d68555 Print the size as decimal. 2008-11-25 15:15:28 +00:00
ad
31afc5b6d8 Add some basic DDB stuff for modules. 2008-11-25 15:14:07 +00:00
ad
c90afa3efc vax uses v3 trampoline. 2008-11-25 15:05:38 +00:00
joerg
6c45130eba Move the specification of the on-disk journal format into a separate 
header.
 2008-11-24 16:05:21 +00:00
jmcneill
42c69bb1ce Add poll support for drvctl notification events 2008-11-23 23:59:41 +00:00
pooka
b5321c4efc document modular. no functional change. 2008-11-21 07:34:46 +00:00
ad
8cd20f56b2 Autoload accept filter modules. 2008-11-20 10:00:54 +00:00
ad
5c14324942 port-amd64/39963 modules/compat_netbsd32: missing symbols on amd64 2008-11-20 09:30:32 +00:00
yamt
bd2755f5a1 pollcommon: use a more appropriate type than char[]. 2008-11-20 01:25:28 +00:00
joerg
27024ae7a6 Push functionality to deal with existing inode records into a separate 
function.
 2008-11-20 00:17:08 +00:00
cegger
dd47eeac45 make this compile 2008-11-19 21:29:32 +00:00
ad
e157b99c7c Regen. 2008-11-19 18:39:43 +00:00
ad
92ce8c6a3d Make the emulations, exec formats, coredump, NFS, and the NFS server 
into modules. By and large this commit:

- shuffles header files and ifdefs
- splits code out where necessary to be modular
- adds module glue for each of the components
- adds/replaces hooks for things that can be installed at runtime
 2008-11-19 18:35:57 +00:00
pooka
e10fef6cd2 Split vfs out of rumpkern into rumpvfs. Non-fs rumps no longer 
include the file system code.  File system rumps explicitly need
to include rumpvfs from now on.
 2008-11-19 14:10:48 +00:00
ad
950585e9b4 module_autoload: disallow path seperators and magic symlinks. 2008-11-19 13:07:42 +00:00
joerg
412427525e Decouple journal operation from replay header by copying the interesting 
fields into wapbl_replay as opposed to embedding wapbl_wc_header.
 2008-11-18 22:21:48 +00:00
macallan
a223e59eb6 don't leak kmem on LP64 2008-11-18 21:20:32 +00:00
joerg
5658187923 #if 0 wapbl_replay_verify. 2008-11-18 19:31:35 +00:00
joerg
2e2e65b3b8 Check for NULL before calling free as the kernel free doesn't handle it. 2008-11-18 18:54:39 +00:00
joerg
fb6f7962ff Make uuidgen available for the kernel. 2008-11-18 14:01:03 +00:00
joerg
a3925622e1 Rename wapbl_replay_prescan to wapbl_replay_process. 2008-11-18 13:29:34 +00:00
pooka
9e46e516a7 Move fd_closeexec() and fd_checkstd() from kern_descrip to their 
own file, subr_exec_fd.c (they're used only by exec).

After this change, the kernel source modules are in a partitioned
enough state to allow building a system without vfs at all.
 2008-11-18 13:01:41 +00:00