Commit Graph

159801 Commits

Author SHA1 Message Date
Poul-Henning Kamp
5d964b5cc9 Use a "push" strategy to get data through libz, rather than a "pull" strategy. 2010-12-07 16:30:52 +00:00
Ivan Voras
d7ccd95be8 Undo r216230: the interaction between saved ashift in metadata and
detected ashift does not support this. With this change, pools
created while stripesize=512 could not be imported when stripesize
becomes larger (on the same drive).

Noticed by:	pjd
2010-12-07 15:24:08 +00:00
Konstantin Belousov
1b3c32568a Update some comments related to use of amd64 full context switch.
In exec_linux_setregs(), use locally cached pointer to pcb to set
pcb_full_iret.
In set_regs(), note that full return is needed when code that sets
segment registers is enabled.

MFC after:	1 week
2010-12-07 12:44:33 +00:00
Andriy Gapon
58f61ce4eb opensolaris cyclic: fix deadlock and make a little bit closer to upstream
The dealock was caused in the following way:
- thread T1 on CPU C1 holds a spin mutex, IPIs CPU C2 and waits for the
  IPI to be handled
- C2 executes timer interrupt filter, thus has interrupts disabled, and
  gets blocked on the spin mutex held by T1
The problem seems to have been introduced by simplifications made to
OpenSolaris code during porting.
The problem is fixed by reorganizing the code to more closely resemble
the upstream version.  Interrupt filter (cyclic_fire) now doesn't
acquire any locks, all per-CPU data accesses are performed on a
target CPU with preemption and interrupts disabled thus precluding
concurrent access to the data.
cyp_mtx spin mutex is used to disable preemtion and interrupts; it's not
used for classical mutual exclusion, because xcall already serializes
calls to a CPU.  It's an emulation of OpenSolaris
cyb_set_level(CY_HIGH_LEVEL) call, the spin mutexes could probably be
reduced to just a spinlock_enter()/_exit() pair.

Diff with upstream version is now reduced by ~500 lines, however it still
remains quite large - many things that are not needed (at the moment) or
are irrelevant on FreeBSD were simply ripped out during porting.
Examples of such things:
- support for CPU onlining/offlining
- support for suspend/resume
- support for running callouts at soft interrupt levels
- support for callout rebinding from CPU to CPU
- support for CPU partitions

Tested by:	Artem Belevich <fbsdlist@src.cx>
MFC after:	3 weeks
X-MFC with:	r216252
2010-12-07 12:25:26 +00:00
Konstantin Belousov
0f0170e66a Retire write-only PCB_FULLCTX pcb flag on amd64.
Reminded by:	Petr Salinger <Petr.Salinger seznam cz>
Tested by:	pho
MFC after:	1 week
2010-12-07 12:17:43 +00:00
Andriy Gapon
a10b0e67d9 opensolaris cyclic xcall: no need for special handling of curcpu
smp_rendezvous_cpus already properly handles current CPU case
and non-SMP case.

MFC after:	3 weeks
2010-12-07 12:04:06 +00:00
Andriy Gapon
fe8c7b3d77 dtrace_xcall: no need for special handling of curcpu
smp_rendezvous_cpus alreadt does the right thing in a very similar
fashion, so the code was kind of duplicating that.

MFC after:	3 weeks
2010-12-07 09:19:47 +00:00
Andriy Gapon
7becfa95b9 dtrace_gethrtime_init: pin to master while examining other CPUs
Also use pc_cpumask to be future-friendly.

Reviewed by:	jhb
MFC after:	2 weeks
2010-12-07 09:03:17 +00:00
Hans Petter Selasky
0e777d8457 Re-add a status check which sneaked out during r214804.
This change can fix some USB error messages showing up
during bootup.

MFC after:	3 days
Approved by:	thompsa (mentor)
2010-12-07 08:20:20 +00:00
David Schultz
f353f24867 Another minor nit: Make sure the constant here is a float so the compiler
doesn't promote the entire expression to double.
2010-12-07 03:29:36 +00:00
David Schultz
63687c8b08 Fix various nits in style and comments that were pointed out by bde.
Code changes verified with md5.
2010-12-07 02:19:15 +00:00
Jilles Tjoelker
c67712a089 sh: Improve internal-representation-to-text code to avoid binary output.
The code to translate the internal representation to text did not know about
various additions to the internal representation since the original ash and
therefore wrote binary stuff to the terminal.

The code is used in the jobs command and similar output.

Note that the output is far from complete and mostly serves for recognition
purposes.
2010-12-06 23:49:27 +00:00
Rebecca Cran
21866e59c2 Ignore any failures with the "local" distribution since it's not present
on release CDs and so will normally fail.
installCommit() returns a DITEM_ value, not a Boolean.
distExtractAll() returns a Boolean, not a DITEM_ value.

Reported by:	kensmith
MFC after:	3 days
2010-12-06 20:55:14 +00:00
Bernhard Schmidt
5f5ca78b03 Implement NdisGetRoutineAddress and MmGetSystemRoutineAddress used in
newer Ralink drivers.

Submitted by:	Paul B Mahol <onemda at gmail.com>
2010-12-06 20:54:53 +00:00
Colin Percival
518c824362 Set correct maximum I/O length. We can only handle I/O of up to
max_request_segments * PAGE_SIZE if the I/O is page-aligned; the
largest I/O we can guarantee will work is PAGE_SIZE less than that.
This unbreaks 'diskinfo -t'.
2010-12-06 20:40:15 +00:00
Edward Tomasz Napierala
087bfb0e6b Add a KASSERT to make it obvious when fork_norfproc() is to be called,
and set *procp to NULL in all cases.  Previously, it was not being set
in the ERESTART case.  This is effectively no-op, since its value is
ignored by callers in the error case.

Reviewed by:	kib@
2010-12-06 19:15:38 +00:00
Ulrich Spörlein
dfc0276185 Drop advertising clause in manpages. It was done a long time ago
for the source code.

Discussed with:	core
2010-12-06 19:12:51 +00:00
Bernhard Schmidt
3934c8a53f Fix scanning after loosing a connection. The firmware assumes that as long
as an association ID is set any scan is supposed to be a background scan.
This implies that the firmware will switch back to the associated channel
after a certain threshold, though, we are not notified about that. We
currently catch this case by a timer which will reset the firmware after
a 'scan timeout', though, upper layers are not notified about that and
will simply hang until manual intervention. Fix this by resetting the
firmware's knowledge about any association on RUN -> ASSOC and
!INIT -> SCAN transitions.

Tested by:	Zhihao Yuan <lichray at gmail.com>
MFC after:	1 week
2010-12-06 19:05:44 +00:00
Bernhard Schmidt
1b6b62c900 Fixes for monitor mode:
- Do not call iwn_calib_reset() for monitor mode. We do not want to query
  information and do runtime calibration while in monitor mode. Poking the
  firmware with adjustments for calibration results in firmware asserts.
  This could happened on RUN -> RUN transition only.
- Adjust blink rate for monitor mode. It's supposed to not freak out and
  turn off after a while.
- While here, remove one useless assignment of calib.state, it gets
  overwritten later in the function.

Submitted by:	Brandon Gooch <jamesbrandongooch at gmail.com>
MFC after:	1 week
2010-12-06 18:28:39 +00:00
John Baldwin
6074a71604 When masking direct and processor devices during an inquiry, properly
preserve the upper bits of the first data byte.

Reviewed by:	scottl
MFC after:	1 week
2010-12-06 17:06:21 +00:00
John Baldwin
b596082ba7 When masking direct and processor devices during an inquiry, properly
preserve the upper bits of the first data byte.

While here, shorten a few nearby lines.

PR:		kern/152768
Reported by:	Sascha Wildner  saw of online.de
Reviewed by:	scottl
MFC after:	1 week
2010-12-06 17:02:56 +00:00
Edward Tomasz Napierala
f68c74bbd3 Fix style bug introduced by previous commit. 2010-12-06 16:45:36 +00:00
Edward Tomasz Napierala
1d845e8638 Improve readability by factoring out the !RFPROC case. While here,
turn K&R function definitions into ANSI.  No functional changes.

Reviewed by:	kib@
2010-12-06 16:39:18 +00:00
John Baldwin
c529e287e5 Add a manpage for SYSINIT() and SYSUNINIT().
PR:		docs/132884
Submitted by:	pluknet, hmp
2010-12-06 15:19:03 +00:00
Konstantin Belousov
3e0ddb6781 Do not leak %rdx value in the previous image to the new image after
execve(2). Note that ia32 binaries already handle this properly,
since ia32_setregs() resets td_retval[1], but not exec_setregs().

We still do not conform to the amd64 ABI specification, since %rsp
on the image startup is not aligned to 16 bytes.

PR:	amd64/124134
Discussed with:	Petr Salinger <Petr.Salinger seznam cz>
	(who convinced me that there is indeed several bugs)
MFC after:	1 week
2010-12-06 15:15:27 +00:00
Ivan Voras
8b08562112 Use GEOM stripesize field when calculating ashift. This will enable correct
alignment on drives with large sector sizes (e.g. 4 KiB) but the
implementation might need to be revisited if devices with large stripesizes
appear (e.g. if RAID controllers or flash drives start using the field),
probably by introducing a physsectorsize field in GEOM providers.

Discussed with: mav, mostly silence on freebsd-geom@ and freebsd-fs@
2010-12-06 12:18:02 +00:00
Rebecca Cran
20016815e5 Revert r209469: it causes the rest of the function to be bypassed.
Reported by: ae
2010-12-06 11:37:24 +00:00
Kevin Lo
7df9d5acad Fix double ;; 2010-12-06 10:24:06 +00:00
Gleb Smirnoff
c1325861ad Catch up with kernel using time_uptime to drive ARP timeouts.
Noticed by:	jilles
2010-12-06 09:39:36 +00:00
Gleb Smirnoff
441238cfdc Catch up with kernel using time_uptime to drive ARP timeouts.
Noticed by:	jilles
2010-12-06 09:37:56 +00:00
Jaakko Heinonen
cdfc719c2e Don't write the terminating NUL past end of buffer.
PR:		bin/152345
Submitted by:	Mateusz Guzik
2010-12-06 09:18:11 +00:00
David Schultz
443a48f0a1 Work around gcc constant folding bugs. 2010-12-06 00:19:56 +00:00
David Schultz
cf37ce3724 signbit() returns nonzero for negative arguments, but we shouldn't assume
that it always returns the same nonzero value.
2010-12-06 00:02:49 +00:00
David Schultz
4a09b0df94 Fix some warnings. 2010-12-05 23:50:49 +00:00
Jilles Tjoelker
fa9e5d05a3 sh: POSIX says there should not be a space between Done and (exitstatus).
(On the other hand, (core dumped) does need a space and so does [1] +.)
2010-12-05 22:56:46 +00:00
Doug Barton
4221d3eb78 Bring in the change from NetBSD 1.28:
"\\ -> \e"

Obtained from:	joerg@NetBSD.org

Bump .Dd because we're now up to date with the latest NetBSD version
2010-12-05 22:47:08 +00:00
Doug Barton
c6281ac026 Bring in the following changes from NetBSD:
1.21
"Document the flags displayed by the default format, and mention their short
names. From espie@openbsd via jmc@openbsd."

1.24
"Fix three variable names.
From Todd T. Fries via Jason McIntyre."

Obtained from:	wiz@NetBSD.org (previous 2)

1.25
"Be consistent: document the birthtime field of struct stat for
the "B" field specifier."

Obtained from:	reed@NetBSD.org

1.26
"Drop trailing space."

Obtained from:	wiz@NetBSD.org

1.27
"Since we have st_birthtime in struct stat, it is in default display."

Obtained from:	enami@NetBSD.org

Purposely skipping the following revisions:
1.22	NetBSD-specific change
1.23	Removal of license clauses 3 and 4, already handled by imp
	in our r203971
2010-12-05 22:41:58 +00:00
Jilles Tjoelker
1bb49f9524 sh: Improve jobs output of pipelines.
If describing the status of a pipeline, write all elements of the pipeline
and show the status of the last process (which would also end up in $?).
Only write one report per job, not one for every process that exits.

To keep some earlier behaviour, if any process started by the shell in a
foreground job terminates because of a signal, write a message about the
signal (at most one message per job, however).

Also, do not write messages about signals in the wait builtin in
non-interactive shells. Only true foreground jobs now write such messages
(for example, "Terminated").
2010-12-05 22:37:01 +00:00
Doug Barton
dc5e1d528e Bring in the change from NetBSD 1.20:
"Make sentence easier to parse. From jsing@openbsd via jmc@openbsd."

Obtained from:	wiz@NetBSD.org
2010-12-05 22:24:34 +00:00
Doug Barton
7c304a3b0f Bring in the changes from NetBSD 1.16 that we did not already have.
"Some fixes from jmc@openbsd."

Obtained from:	wiz@NetBSD.org
2010-12-05 22:20:08 +00:00
David Schultz
18c5bc2279 Add regression tests for logarithmic functions in the math library. 2010-12-05 22:18:35 +00:00
Doug Barton
d127a98c99 Bring in the changes from NetBSD 1.13 that we did not already have, with
some differences.

"Sort options. Use more mdoc macros. Some nit fixes. Bump date."

Obtained from:	wiz@NetBSD.org
2010-12-05 22:16:51 +00:00
David Schultz
1863d408e0 Bump __FreeBSD_version for the addition of log2(). This is mainly for the
benefit of ports such as opencity and inkscape that have workarounds for
the lack of a log2() in the base system.
2010-12-05 22:12:07 +00:00
David Schultz
177668d11f Add log2() and log2f(). 2010-12-05 22:11:22 +00:00
David Schultz
e7780530fa Add a "kernel" log function, based on e_log.c, which is useful for
implementing accurate logarithms in different bases.  This is based
on an approach bde coded up years ago.

This function should always be inlined; it will be used in only a few
places, and rudimentary tests show a 40% performance improvement in
implementations of log2() and log10() on amd64.

The kernel takes a reduced argument x and returns the same polynomial
approximation as e_log.c, but omitting the low-order term. The low-order
term is much larger than the rest of the approximation, so the caller of
the kernel function can scale it to the appropriate base in extra precision
and obtain a much more accurate answer than by using log(x)/log(b).
2010-12-05 22:11:03 +00:00
Doug Barton
1c40e1f66c Bring in the change from NetBSD 1.12:
"document default format."

Obtained from:	yamt@NetBSD.org
2010-12-05 22:01:01 +00:00
Jilles Tjoelker
ff304d3732 sh: Avoid marking a job as done before it is fully created.
In r208489, I added code to reap zombies when forking new processes, to
limit the amount of zombies. However, this can lead to marking a job as done
or stopped if it consists of multiple processes and the first process ends
very quickly. Fix this by only checking for zombies before forking the first
process of a job and not marking any jobs without processes as done or
stopped.
2010-12-05 21:53:29 +00:00
Doug Barton
da78facc72 Bring in the following changes from NetBSD. See the discussion at:
http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=44128

1.29
"Don't printf time_t with %d; fixes PR 44128 from yamt. With this change it
successfully prints mtimes after 2038."

1.30
"Improve previous with comments."

Obtained from:	dholland@NetBSD.org (both)
2010-12-05 21:53:12 +00:00
Doug Barton
d7233fd615 Fix an "unused variable" error that gets us all the way to WARNS=6 2010-12-05 21:33:05 +00:00
Doug Barton
9b3f439482 Bring in the update from NetBSD 1.28:
"Fix WARNS=4 issues (-Wcast-qual -Wsign-compare)"

Because of code differences I had to hand-apply parts of the patch,
so responsibility for errors goes to me.

Obtained from:	lukem@NetBSD.org
2010-12-05 21:29:20 +00:00