Commit Graph

121119 Commits

Author SHA1 Message Date
David Xu
23db0a33f7 Allow background threads to be suspended. 2006-01-08 01:49:31 +00:00
David Xu
0d29c148eb Try to reduce total time needed for suspending all threads,
first broadcast signals to all threads, then enter a wait loop.
2006-01-08 01:48:51 +00:00
Florent Thoumie
d908e8fa84 Add Product ID for Acerscan 1240u and the corresponding entry in uscanner.c.
PR:		usb/91466
Submitted by:	Cameron Lerch <cam@zarya.org>
MFC after:	3 days
Approved by:	ssouhlal
2006-01-08 01:43:00 +00:00
Scott Long
861a23087b If destroying a spinlock, make sure that it is exited properly.
Submitted by: jhb
MFC After: 3 days
2006-01-08 00:18:34 +00:00
Kirill Ponomarev
ce036f4091 When using @cwd %%FOO%%, we must ensure to return in the original
prefix later, but doing so with @cwd %%OLDPREFIX%% (having
PLIST_SUB+="OLDPREFIX=${PREFIX}") hardcodes the value in the packing
list. That's not really a problem when dealing with ports but that's
a problem with packages since pkg_add -p option only overrides the
first @cwd occurrence.

This patch allow us to use @cwd without any argument. If no
directory argument is given, it will set current working directory
to the first prefix given by the @cwd command.

PR:		bin/77212
Submitted by:	flz
2006-01-07 22:10:58 +00:00
Warner Losh
1851bd711a While reviewing if_sn in an attempt to understand network drivers
better, I discovered sn doing too many pointer dereferences.  This
driver would do silly things like:
	sn_foo(struct ifnet *ifp)
	{
		struct sn_softc *sc = ifp->if_softc;

		sc->ifp->mumble
		/* Other stuff */
	}

while /* other stuff */ usually needed sc, the extra deref isn't
needed.  Eliminate a few dozen of them.
2006-01-07 19:29:25 +00:00
Pav Lucistnik
62aedb0446 - Mention the size of the additional header
PR:		docs/85867
Submitted by:	dinoex
MFC after:	1 week
2006-01-07 19:17:13 +00:00
John Baldwin
3b783acd2a Revert an untested local change that crept in with the lo_class changes
and subsequently broke the build.  This change is supposed to fix the
case where doing a mtx_destroy() off a spin mutex while you hold it fails.
If it had been tested I would just leave it in, but it hasn't been tested
yet, so it will have to wait until later.
2006-01-07 14:03:15 +00:00
David Xu
d827aa478d Remove functions i386_get_gsbase and i386_set_gsbase, they were already
in libc.
2006-01-07 06:01:43 +00:00
Ariff Abdullah
e1e05d5d12 Add codec id support for Analog Device AD1986 AC'97 codec.
Submitted by:	UMENO Takashi <umeno at rr.iij4u.or.jp>
PR:		kern/80234
MFC after:	2 days
2006-01-07 05:20:46 +00:00
David Xu
0a5cd498bb Add a new feature to thr_kill, if thread ID argument is -1, send
signals to all threads except current sender.
2006-01-07 03:15:21 +00:00
Tai-hwa Liang
75d6a87fa3 Trying to fix compilation bustage introduced in rev1.160 by converting
a missing lo_class to LO_CLASSINDEX().
2006-01-07 02:07:08 +00:00
Peter Grehan
162138c989 Set the siginfo si_addr field, and also the mysterious 3rd parameter
to old-style signals, to be the DAR register for DSI miss exceptions.
This gives the address of the access rather than the instruction
address. The behaviour is now the same as on i386.

Found by:  libsigsegv tests
2006-01-07 01:55:12 +00:00
Marcel Moolenaar
6d85ea7820 Fix FD_ISSET() on LP64 platforms. The FD_ISSET() function/macro is
defined to return an int, but on LP64 platforms the return value of
FD_ISSET() for file descriptors with a bit-index larger than 31 would
not fit an int (due to __fd_mask being defined as an unsigned long).
The fix is to explicitly test against 0.

PR: ia64/91421
Submitted by: Tanaka Akira (akr at m17n dot org)
MFC after: 1 week
2006-01-06 22:12:46 +00:00
Wilko Bulte
a96727f36e the geom_fox MLINK should not have been there.
Pointed out by: brueffer
2006-01-06 20:55:28 +00:00
Colin Percival
7e6b02f651 Make "portsnap extract" automatically create ${PORTSDIR} if necessary
instead of complaining that "Directory does not exist or is not
writable".

Suggested by:	{tlp, siep} via IRC
MFC after:	1 week
2006-01-06 20:39:11 +00:00
John Baldwin
1d1767e89a - Update copyright years from the Specialix SDK.
- Update comment as this firmware is not used for the SX cards, they use
  the si3_t225 firmware instead.
2006-01-06 20:17:48 +00:00
Wilko Bulte
4faf16f54e hookup geom_fox(4) 2006-01-06 20:05:55 +00:00
Wilko Bulte
36af36ae54 Add manual page for the geom_fox multipath driver.
Review kindly provided by: phk
Abuse of mandoc bravely corrected by: ru
2006-01-06 20:02:44 +00:00
John Baldwin
5a0793f174 Update the firmware image used for the SIJET cards to the latest available
in the SDK from Specialix/Perle.  The prior version was
JET.BIN Version 3.0.6 Beta I and the new version is JET__.BIN Version 4.0.1.

MFC after:	1 week
2006-01-06 19:58:08 +00:00
John Baldwin
8fa19acad6 - Fix cards with multiple modules. Prior to this, the ports on the various
modules would have overlapping names.
- Only create /dev/si_control for unit 0.

Tested by:	Joerg Lehners Joerg dot Lehners at informatik dot
		uni-oldenburg dot de (on 6.x)
MFC after:	1 week
2006-01-06 19:56:12 +00:00
Ceri Davies
1e1e1fce56 o Document the possibility of putting 'b' in the flag field.
While we don't use the NC_BROADCAST value of nc_flag anywhere in the
  RPC code, it is parseable by getnetconfigent(3) from /etc/netconfig.

o Clean up some "see below"'s that were cut and pasted from netconfig.h.
2006-01-06 19:39:16 +00:00
John Baldwin
04dda605c5 - Make pcib_devclass private to sys/dev/pci/pci_pci.c and change all the
various pcib drivers to use their own private devclass_t variables for
  their modules.
- Use the DEFINE_CLASS_0() macro to declare drivers for the various pcib
  drivers while I'm here.
2006-01-06 19:22:19 +00:00
John Baldwin
6bed9d9e73 Note shrinkage of lock_object and the subsequent widespread kernel ABI
breakage.
2006-01-06 19:04:39 +00:00
John Baldwin
3c6decc327 Trim another pointer from struct lock_object (and thus from struct mtx and
struct sx).  Instead of storing a direct pointer to a our lock_class
struct in lock_object, reserve 4 bits in the lo_flags field to serve as an
index into a global lock_classes array that contains pointers to the lock
classes.  Only debugging code such as WITNESS or INVARIANTS checks and KTR
logging need to access the lock_class member, so this shouldn't add any
overhead to production kernels.  It might add some slight overhead to
kernels using those debug options however.

As with the previous set of changes to lock_object, this is going to
completely obliterate the kernel ABI, so be sure to recompile all your
modules.
2006-01-06 18:07:32 +00:00
John Baldwin
ca49f12fdb Reduce the scope of one #ifdef to avoid duplicating a SYSCTL_INT() macro
and trim another unneeded #ifdef (it was just around a macro that is
already conditionally defined).
2006-01-06 18:03:45 +00:00
Lukas Ertl
d5817a5009 Get rid of the gv_bioq hack in most parts of the I/O path and
use the standard bioq structures.
2006-01-06 18:03:17 +00:00
John Baldwin
360c3c2d1a Fix various places that were testing td_critnest to see if interrupts
should remain disabled during a trap or not to check
td_md.md_spinlock_count instead.
2006-01-06 18:02:12 +00:00
John Baldwin
af56abaab5 Return error from fget_write() rather than hardcoding EBADF now that
fget_write() DTRT.

Requested by:	bde
2006-01-06 16:34:22 +00:00
John Baldwin
38f63f7e47 Return EBADF rather than EINVAL for FWRITE failure as per POSIX.
MFC after:	1 week
2006-01-06 16:30:30 +00:00
John Baldwin
8dc0e02023 Be a little more forgiving of lame BIOS writers. If a link device that
doesn't have any actual interrupts is listed in a _PRT entry, only print
a warning rather than panic'ing when we walk the _PRT's to build up count
of entries that reference a given link (the counts are used as weights so
that we can attempt to balance the load across IRQs used by link devices).
Instead, only panic if we attempt to use the _PRT entry to route an
interrupt for a device.

PR:		i386/89545
Tested by:	anders
2006-01-06 16:14:32 +00:00
Poul-Henning Kamp
1152ba39fe Add missing ' and '
Submitted by: simon
2006-01-06 11:31:59 +00:00
Poul-Henning Kamp
c9dae3c0cc Make this more readable and add more devices.
Partially from:	mich@FreeBSD.org
2006-01-06 11:11:03 +00:00
Ariff Abdullah
1332ddcb64 Fix locking violation, causing frantic diagnostic messages during boot.
Reported by:	[1] julian
MFC after:	3 days

[1] http://lists.freebsd.org/pipermail/freebsd-multimedia/2006-January/003408.html
2006-01-06 10:36:55 +00:00
Ariff Abdullah
8b6d3fe1b6 Another major fixes and enhancements:
- MPSAFE
    - Fix / reorganize attach routine. Device specific initialization must
      be done after generic bus / DMA setup. At last, Virtual Channels
      (vchan) works as expected.

Note: Recent commit / fix against this driver proves that major enhancements
      on the generic sound layer does indeed help to expose flaw within
      device specific code. There are probably other drivers that need to
      be addressed as well.

Tested by:	barner
MFC after:	1 week
2006-01-06 05:04:18 +00:00
Warner Losh
5c65ae3a88 New option: NO_FFS_SNAPSHOT. I did this in p4 about the same time
that NetBSD implemented it independently of them (don't know which one
was actually first).  This saves about 24k for those times you don't
need snapshot support (like when running off a ram disk, or in an
embedded environment where size matters).
2006-01-06 04:44:09 +00:00
John Baldwin
e730167f16 Remove XXX comments complaining that write(2) on a read-only descriptor
returns EBADF.  That errno is correct and is mandated by POSIX.  It also
goes back to revision 1.1 of our CVS history (i.e. 4.4BSD).

The _fget() function should probably also be upated as it currently returns
EINVAL in that case rather than EBADF.  (It does return EBADF for reads
on a write-only descriptor without any XXX comments oddly enough.)

Discussed with:	scottl, grog, mjacob, bde
2006-01-05 22:20:31 +00:00
Søren Schmidt
e2bf77c5c2 Get rid of the advertising clause in the copyright. 2006-01-05 21:27:19 +00:00
Jean-Sébastien Pédron
566abf420d Don't hold a reference to the disk vnode for each inode. 2006-01-05 19:27:07 +00:00
Jean-Sébastien Pédron
dcde7cd573 Fix a bug in Synaptics Touchapd support where psm(4) will enter an infinite
loop if it receives an out of sync packet.

Reviewed by:	mux (mentor)
MFC after:	4 days
2006-01-05 19:24:01 +00:00
David Xu
bc414752d3 Refine thread suspension code, now thread suspension is a blockable
operation, the caller is blocked util target threads are really
suspended, also avoid suspending a thread when it is holding a
critical lock.
Fix a bug in _thr_ref_delete which tests a never set flag.
2006-01-05 13:51:22 +00:00
Maxim Konovalov
98a95f61fa o Typo in the debug message: s/skiped/skipped.
PR:		kern/91346
Submitted by:	Gavin Atkinson
2006-01-05 13:39:23 +00:00
Maxim Konovalov
4c2f782357 o Typo in the error message: s/invald/invalid.
PR:		misc/91341
Submitted by:	Guy Harris
2006-01-05 13:37:07 +00:00
Diomidis Spinellis
f0982ce212 Document the TMPDIR environment variable.
MFC after:	1 week
2006-01-05 10:19:42 +00:00
Bruce Evans
fd2891004d Oops, on amd64 (and probably on all non-i386 systems), the previous
commit broke the 2**24 cases where |x| > DBL_MAX/2.  There are exponent
range problems not just for denormals (underflow) but for large values
(overflow).  Doubles have more than enough exponent range to avoid the
problems, but I forgot to convert enough terms to double, so there was
an x+x term which was sometimes evaluated in float precision.

Unfortunately, this is a pessimization with some combinations of systems
and compilers (it makes no difference on Athlon XP's, but on Athlon64's
it gives a 5% pessimization with gcc-3.4 but not with gcc-3.3).

Exlain the problem better in comments.
2006-01-05 09:18:48 +00:00
Diomidis Spinellis
79a7950c48 Document the recently-added EINVAL behavior.
MFC after:	1 week
2006-01-05 08:55:56 +00:00
Bruce Evans
4bb9780353 Use double precision internally to optimize cbrtf(), and change the
algorithm for the second step significantly to also get a perfectly
rounded result in round-to-nearest mode.  The resulting optimization
is about 25% on Athlon64's and 30% on Athlon XP's (about 25 cycles
out of 100 on the former).

Using extra precision, we don't need to do anything special to avoid
large rounding errors in the third step (Newton's method), so we can
regroup terms to avoid a division, increase clarity, and increase
opportunities for parallelism.  Rearrangement for parallelism loses
the increase in clarity.  We end up with the same number of operations
but with a division reduced to a multiplication.

Using specifically double precision, there is enough extra precision
for the third step to give enough precision for perfect rounding to
float precision provided the previous steps are accurate to 16 bits.
(They were accurate to 12 bits, which was almost minimal for imperfect
rounding in the old version but would be more than enough for imperfect
rounding in this version (9 bits would be enough now).)  I couldn't
find any significant time optimizations from optimizing the previous
steps, so I decided to optimize for accuracy instead.  The second step
needed a division although a previous commit optimized it to use a
polynomial approximation for its main detail, and this division dominated
the time for the second step.  Use the same Newton's method for the
second step as for the third step since this is insignificantly slower
than the division plus the polynomial (now that Newton's method only
needs 1 division), significantly more accurate, and simpler.  Single
precision would be precise enough for the second step, but doesn't
have enough exponent range to handle denormals without the special
grouping of terms (as in previous versions) that requires another
division, so we use double precision for both the second and third
steps.
2006-01-05 07:57:31 +00:00
Peter Grehan
5aedf535d3 Enable truss for powerpc 2006-01-05 05:58:16 +00:00
Peter Grehan
7fa9dc1c36 Add powerpc support for truss.
Initial work by:  Orlando Bassotto  < orlando at break net >
Modified by:	  grehan
2006-01-05 05:57:47 +00:00
Alexander Kabaev
daefc6601d Add -w parameter which tells kgdb to open kmem-based targets in read-write
mode. This allows one to use kgdb on /dev/mem and be able to patch memory
on a live system. This is identical to what -wcore used to do in previous
gdb versions for FreeBSD.

Requested by:	wpaul
2006-01-04 23:17:52 +00:00