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37 Commits

Author SHA1 Message Date
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
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
christos 78d77f514f better error messages, and more messages for DIAGNOSTIC. 2008-11-27 21:36:51 +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 950585e9b4 module_autoload: disallow path seperators and magic symlinks. 2008-11-19 13:07:42 +00:00
ad 2bae5b390e Some modules may want to avoid autounload because their use is transient. 
Their FINI routine may legitimately succeed even though the module is likely
to be used soon again, for example: exec_script. Add a MODULE_CMD_AUTOUNLOAD
to query whether a module wants to avoid autounload.
 2008-11-18 11:56:09 +00:00
ad f94a8f9142 - Put modules that depend on others at the head of the queue so autounload 
can unload requisite modules with only one pass.

- If loading a requisite module, scan the global queue before checking the
  file system to see if it exists.  If it's already present we don't care.
 2008-11-18 11:39:41 +00:00
ad 79d9beffc8 - If the system encounters a severe memory shortage, start unloading 
unused kernel modules.
- Try to unload any autoloaded kernel modules 10 seconds after their
  load was successful.
- Keep a counter to track module load/unload events.
 2008-11-14 23:06:45 +00:00
ad 0efea177e3 Remove LKMs and switch to the module framework, pass 1. 
Proposed on tech-kern@.
 2008-11-12 12:35:50 +00:00
ad 52e9644b6b Make MODCTL_LOAD_FORCE do something. 2008-10-22 11:19:15 +00:00
ad 7b228b5a9c - Be clear about whether module load is explicit or system initiated (auto). 
- Require that module_lock is held to autoload, so that any preconditions
  can be safely checked.
 2008-10-22 11:16:29 +00:00
pooka b629cd421b expose module_compatible() 2008-08-01 14:05:15 +00:00
ad 4c57df4a3c - Put in place module compatibility check against __NetBSD_Version__, 
as discussed on tech-kern.

- Remove unused module_jettison().
 2008-05-31 20:14:38 +00:00
ad 61270d54f1 If autoloading a module, don't consider the current working directory. 2008-05-20 19:20:38 +00:00
ad 88435c0e48 Remove stale comment. 2008-05-20 19:16:07 +00:00
ad 67280de1f2 Allow module class to be passed to module_load(), as a basic sanity check 
that we are loading the right kind of module.
 2008-05-20 17:24:56 +00:00
ad e69aa3297c Take $MACHINE into account when looking for modules. 2008-05-20 16:04:08 +00:00
ad 7a3561a8dc PR kern/38694 module dependencies do not work as expected 
Autoload modules from the correct path based on kernel version.
 2008-05-20 14:11:55 +00:00
ad d0bd9aa452 - Do local relocs before loading requisite modules, and all others only 
after requisite modules have been loaded. For PR kern/38697.
- Simplify kobj interface slightly to make error handling easier.
 2008-05-20 13:34:44 +00:00
rumble 7846a18697 Fix an error path that previously panicked when module_fetch_info failed. 2008-05-04 21:35:12 +00:00
ad 5d413581c7 Re-do yesterday's build fix to hook in the MD stuff if available. 2008-05-02 12:59:34 +00:00
ad 1bb1fee762 - Add module_find_section(), allows a module to look up data in its object. 
- Work around build failure.
 2008-05-01 17:23:16 +00:00
ad 8ef40c772a Get the pre-loaded module code working. 2008-05-01 14:44:48 +00:00
martin ce099b4099 Remove clause 3 and 4 from TNF licenses 2008-04-28 20:22:51 +00:00
jmmv 3fd8e29a11 Add support for load-time parameters for modules, which are passed through 
a dictionary.  As discussed in tech-kern@.
 2008-03-02 11:18:43 +00:00
rumble b5723bb617 Ensure that if kobj_load fails we do not call kobj_close followed by 
kobj_unload, as an unloaded kobj will already have been freed by an
implicit kobj_unload call in kobj_close. This fixes random panics when a
module fails to load.
 2008-01-19 18:20:39 +00:00
rumble 8a7c44d074 Ensure that circular dependencies do not panic the machine by doubly 
locking the same file. Remove the special self-dependant case previously
introduced, as the general case handles it properly.
 2008-01-19 00:57:35 +00:00
rumble cab5348539 Deal with braindead modules that depend on themselves, rather than inducing 
an ambiguous panic later on.
 2008-01-18 16:41:46 +00:00
rumble 81097194ca Avoid NULL pointer deref. 2008-01-18 14:29:44 +00:00
simonb 604b8b0477 Fix tyop in a KASSERT: s/mod_required/mod->mod_required/ 2008-01-18 01:41:55 +00:00
rumble 75030bbb1e Fix a panic that occurs when a dependency had already been loaded and a 
dependant module is loaded by setting modp when returning ENOENT.

Also, be stricter with regards to MAXMODNAME.
 2008-01-17 22:35:53 +00:00
ad a2134a7a24 - Include lkm_map if !LKM. XXX 
- Add a comment about dependencies.
 2008-01-16 18:28:32 +00:00
ad bbc79e58a6 Pull in my modules code for review/test/hacking. 2008-01-16 12:34:50 +00:00