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24107 Commits

Author SHA1 Message Date
Julian Elischer
34f9ca0908 Only clear the 'free' bit if we were successful in getting a queue item off the free list. 
Found by: Harti Brandt (address unknown)
 2001-01-25 19:48:57 +00:00
John Baldwin
b00df9c9ba Whitespace fix: convert code indented 6 spaces to use tabs instead. 2001-01-25 19:37:26 +00:00
Nicolas Souchu
a138e28335 Discard extra status information if -1. This has been breaking the 
PS/2 mode for ZIP+ drives for a long time. Thanks Jonathon.

Submitted by:	j mckitrick <jcm@FreeBSD-uk.eu.org>
 2001-01-25 13:07:55 +00:00
Nicolas Souchu
c264e80fb7 Consider that the chipset may be in ECP mode (from BIOS settings) 
even if mode PS/2 is forced with bootflags. As a matter of fact,
chipsets needs some extra configuration for accessing PS/2 mode
from ECP. The current patch is only relevant for generic chipsets
since specific code is supposed to deal with this during detection.
 2001-01-25 10:51:41 +00:00
Yoshihiro Takahashi
ba4c5e6950 Added necessary include for pc98. 2001-01-25 09:56:04 +00:00
Jason Evans
e25cb0a62a Remove CV_DECLARE(), which serves no useful purpose. 2001-01-25 07:29:54 +00:00
Coleman Kane
7670e0125f Add some description and clarification as to the use of the tdfx device. 
Answers many questions I have recieved and has a short description of what
the driver actually does.
 2001-01-25 06:58:53 +00:00
Luigi Rizzo
7a726a2dd1 Pass up errors returned by dummynet. The same should be done with 
divert.
 2001-01-25 02:06:38 +00:00
Peter Wemm
d42df83312 Disable cy - it is now completely broken and needs non-trivial work. 2001-01-25 01:56:27 +00:00
John Baldwin
45ece682fd - Doh, lock faultin() with proc lock in scheduler(). 
- Lock p_swtime with sched_lock in scheduler() as well.
 2001-01-25 01:38:09 +00:00
John Baldwin
7b1bec368f Back out over-aggressive locking of p->p_cred. 
Requested by:	alfred
 2001-01-25 01:09:44 +00:00
John Baldwin
29d3cf45a7 Remove prototype for child_return(). 2001-01-24 22:00:13 +00:00
John Baldwin
2a36ec35ae - Change fork_exit() to take a pointer to a trapframe as its 3rd argument 
instead of a trapframe directly.  (Requested by bde.)
- Convert the alpha switch_trampoline to call fork_exit() and use the MI
  fork_return() instead of child_return().
- Axe child_return().
 2001-01-24 21:59:25 +00:00
Julian Elischer
c73b94a276 Don't crash the kernel if the user tries to load a netgraph 
module with the wrong version number.
 2001-01-24 21:29:57 +00:00
Poul-Henning Kamp
b8627aab72 DEVFS cloning for if_tap. 
Submitted by:	Maksim Yevmenkin <m_evmenkin@yahoo.com>
 2001-01-24 20:59:34 +00:00
John Baldwin
77e9b2790e - Remove some unused and unneeded atomic operations sitting in mp_machdep.c 
that are already implemented in atomic.h.
- Fix SMP kernel builds.
 2001-01-24 19:49:13 +00:00
John Hay
b2952b0aa4 Newbusify ar(4). 2001-01-24 18:45:29 +00:00
Doug Rabson
5c72bfc7ee Change cpuno to cpuid. 2001-01-24 17:12:37 +00:00
Doug Rabson
778d716fd3 Fix typo. 2001-01-24 17:11:33 +00:00
Garrett Wollman
a589a70ee1 Correct a comment. 2001-01-24 16:25:36 +00:00
John Baldwin
c2e9063250 Oops, when converting if (foo) panic() to a KASSERT(), you have to invert 
the test case.

Spotted by:	peter, jasone
 2001-01-24 13:10:17 +00:00
Daniel Eischen
5b2b5af8e3 Bump FreeBSD version to reflect changes to libc and libc_r. 2001-01-24 13:08:12 +00:00
John Baldwin
6d3e7b9b0b Add a new item to kinfo_proc: ki_sflag to mirror p_sflag. 2001-01-24 12:49:52 +00:00
Jason Evans
1b367556b5 Convert all simplelocks to mutexes and remove the simplelock implementations. 2001-01-24 12:35:55 +00:00
John Baldwin
69b4045657 Argh, I didn't get this test right when I converted it. Break this up 
into two separate if's instead of nested if's.  Also, reorder things
slightly to avoid unnecessary mutex operations.
 2001-01-24 12:23:17 +00:00
John Baldwin
8606d88043 - Catch up to proc flag changes. 
- Minimal proc locking.
- Use queue macros.
 2001-01-24 11:28:36 +00:00
John Baldwin
e2181d41d0 Add mtx_assert()'s to verify that kmem_alloc() and kmem_free() are called 
with Giant held.
 2001-01-24 11:27:29 +00:00
John Baldwin
5074aecd6c - Catch up to proc flag changes. 
- Proc locking in a few places.
- faultin() now must be called with the proc lock held.
- Split up swappable() into a couple of tests so that it can be locke in
  swapout_procs().
- Use queue macros.
 2001-01-24 11:25:56 +00:00
John Baldwin
b939335607 - Catch up to proc flag changes. 2001-01-24 11:20:05 +00:00
John Baldwin
168666be74 - Catch up to proc flag changes. 
- Assert sched_lock is held in proc_compare.
 2001-01-24 11:15:59 +00:00
John Baldwin
3897ca7c61 - Catch up to proc flag changes. 
- Update stopevent() to assert that the proc lock is held when it is
  held and is not recursed.  Note that the STOPEVENT() macro obtains
  the proc lock when calling this function.
 2001-01-24 11:15:24 +00:00
John Baldwin
e04ac2fe6b - Catch up to proc flag changes. 
- Add proc locking for selwakeup() and selrecord().
 2001-01-24 11:12:37 +00:00
John Baldwin
ec5a741d77 - Catch up to proc flag changes. 2001-01-24 11:11:35 +00:00
John Baldwin
1899325c72 - Catch up to proc flag changes. 
- Add in some locking ops that might fix SIGXCPU, but don't enable them
  yet.
- Assert that sched_lock is not recursed when mi_switch() is called.
 2001-01-24 11:10:55 +00:00
John Baldwin
40447cd4aa - Proc locking. 
- Catch up to proc flag changes.
 2001-01-24 11:08:02 +00:00
John Baldwin
7871c121ff - Add a mtx_assert() for sched_lock in calcru(). 
- Protect calcru() with sched_lock later on in the file when it is called.
 2001-01-24 11:06:39 +00:00
John Baldwin
42a4ed9975 - Proc locking. 
- Catch up to proc flag changes.
- Reorder the way we get things in fill_kinfoproc() to minimize the
  number of locking operations.
 2001-01-24 11:05:50 +00:00
John Baldwin
8484de7555 - Don't use a union and fun tricks to shave one extra pointer off of struct 
mtx right now as it makes debugging harder.  When we are in optimizing
  mode, we can revisit this.
- Fix the KTR trace messages to use %p rather than 0x%p to avoid duplicate
  0x's in KTR output.
- During witness_fixup, release Giant so that witness doesn't get confused.
  Also, grab all_mtx while walking the list of mutexes.
- Remove w_sleep and w_recurse.  Instead, perform checks on mutexes using
  the mutex's mtx_flags field.
- Allow debug.witness_ddb and debug.witness_skipspin to be set from the
  loader.
- Add Giant to the front of existing order_list entries to help ensure
  Giant is always first.
- Add an order entry for the various proc locks.  Note that this only
  helps keep proc in order mostly as the allproc and proctree mutexes are
  only obtained during a lockmgr operation on the specified mutex.
 2001-01-24 10:57:01 +00:00
John Baldwin
f1dea27db4 - Catch up to proc flag changes. 
- Set the new P_KTHREAD flag for kthreads during kthread_create.
 2001-01-24 10:47:50 +00:00
John Baldwin
a7b124c3c7 - Catch up to proc flag changes. 
- Add new fork_exit() and fork_return() MI C functions.
 2001-01-24 10:47:14 +00:00
John Baldwin
981808d145 Catch up to P_FOO -> PS_FOO changes in proc flags. 2001-01-24 10:44:01 +00:00
John Baldwin
01cd094c32 - Proc locking. 
- P_FOO -> PS_FOO.
 2001-01-24 10:43:25 +00:00
John Baldwin
f202965e95 - Catch up to p_sflag changes. 
- The MD code now initializes proc0.p_heldmtx, proc0.p_contested, and
  curproc.
- The MD code calls here with Giant already held.
- Proc locking.
 2001-01-24 10:40:56 +00:00
John Baldwin
a8a3dd2bb5 - Proc locking. 
- P_OWEUPC -> PS_OWEUPC.
 2001-01-24 10:38:58 +00:00
John Baldwin
a467939095 - Proc locking. 
- Update userret() to take a struct trapframe * as a second argument.
- Axe have_giant and use mtx_owned(&Giant) where appropriate.
 2001-01-24 10:38:13 +00:00
John Baldwin
88541b72b7 - Proc locking. 
- P_FOO -> PS_FOO.
 2001-01-24 10:36:47 +00:00
John Baldwin
89db405712 - Proc locking. 
- Bring across forwarded_statclock() fixes from i386 and alpha.
 2001-01-24 10:36:21 +00:00
John Baldwin
e7d904a13a - Proc locking around the vinumdaemon dinking with its flags. 
- P_INMEM -> PS_INMEM.
 2001-01-24 10:28:19 +00:00
John Baldwin
2ae8bab0b6 Make mp_machdep.c be an optional file conditional on SMP. 2001-01-24 10:27:37 +00:00
John Baldwin
60bb997eb3 Proc locking. 2001-01-24 10:27:11 +00:00