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Author SHA1 Message Date
Konstantin Belousov
79937651ef Add definitions related to XCR0. 
MFC after:	1 week
 2012-01-17 07:23:43 +00:00
Konstantin Belousov
5ba2a4998c Add macro IS_BSP() to check whether the current CPU is BSP. 
MFC after:	1 week
 2012-01-17 07:21:23 +00:00
Sergey Kandaurov
37c2842272 Fix the "lock &zrl->zr_mtx already initialized" assertion by initializing 
the allocated memory before calling mtx_init(9) on mtx pointing to it.
Otherwize, random contents of uninitialized memory might occasionally
trigger the assertion.

Reported by:	Pavel Polyakov <bsd kobyla org>
Reviewed by:	pjd
MFC after:	1 week
 2012-01-17 06:23:25 +00:00
Kevin Lo
e0d3195bd6 Return EOPNOTSUPP since we only support update mounts for NFS export. 
Spotted by:	trociny
 2012-01-17 01:25:53 +00:00
Kirk McKusick
86b571509a There are several bugs/hangs when trying to take a snapshot on a UFS/FFS 
filesystem running with journaled soft updates. Until these problems
have been tracked down, return ENOTSUPP when an attempt is made to
take a snapshot on a filesystem running with journaled soft updates.

MFC after: 2 weeks
 2012-01-17 01:14:56 +00:00
Kirk McKusick
cc672d3599 Make sure all intermediate variables holding mount flags (mnt_flag) 
and that all internal kernel calls passing mount flags are declared
as uint64_t so that flags in the top 32-bits are not lost.

MFC after: 2 weeks
 2012-01-17 01:08:01 +00:00
Nathan Whitehorn
8d01a3b281 Revert r212360 now that PowerPC can handle large sparse arguments to 
pmap_remove() (changed in r228412).

MFC after:	2 weeks
 2012-01-17 00:31:09 +00:00
Alan Cox
292177e67a Improve abstraction. Eliminate direct access by elf*_load_section() 
to an OBJT_VNODE-specific field of the vm object.  The same
information can be just as easily obtained from the struct vattr that
is in struct image_params if the latter is passed to
elf*_load_section().  Moreover, by replacing the vmspace and vm
object parameters to elf*_load_section() with a struct image_params
parameter, we actually reduce the size of the object code.

In collaboration with:	kib
 2012-01-17 00:27:32 +00:00
Stanislav Sedov
f6d505ea58 - Add ID for the BeagleBone FTDI serial over usb port. 
MFC after:	3 days
 2012-01-16 23:14:23 +00:00
Hans Petter Selasky
36dc69c414 Add support for more USB devices. 
Submitted by:	pav @
MFC after:	1 week
 2012-01-16 22:26:25 +00:00
Guy Helmer
5c005f0000 Remove unnecessary includes from these libutil man pages. 
Requested by bde (as was the previous commit).
 2012-01-16 21:25:41 +00:00
Guy Helmer
34775f8907 Fix more disorder in prototypes and constants. 
Fix header comments for each section of constants.
Fix whitespace in #define lines.
Fix unnecessary parenthesis in constants.
 2012-01-16 21:19:23 +00:00
Sergey Kandaurov
037f43d3ef Be pedantic and change // comment to C-style one. 
Noticed by:		Bruce Evans
 2012-01-16 20:42:56 +00:00
David Schultz
a7eaecefba Generate a warning if the kernel's arc4random() is seeded with bogus entropy. 2012-01-16 20:18:10 +00:00
David Schultz
cb659153f9 Fix the value of float_t to match what is implied by FLT_EVAL_METHOD. 2012-01-16 20:17:51 +00:00
David Schultz
b3088c8315 Change the definition of FLT_EVAL_METHOD from 1 to 0. A value of 1 implies 
that the compiler promotes floats to double precision in computations, but
inspection of the output of a cross-compiler indicates that this isn't the
case on powerpc.
 2012-01-16 20:17:29 +00:00
Jaakko Heinonen
d325001438 Change checkpath() to not exit on error. This is a prerequisite for 
fixing the mount(8) "failok" option.

PR:		163668
Reviewed by:	Garrett Cooper, delphij (previous version)
 2012-01-16 19:34:21 +00:00
David Chisnall
03c142e762 Use the signal fence builtin in stdatomic.h when using the clang atomic 
builtins, rather than the __asm hack.  Somehow I missed the existence of this
builtin originally and only noticed that it was there when I went to implement
it...

Note: Trunk clang now has support for (most of) the C[++]11 atomics stuff.
Please test!

Approved by:	brooks (mentor)
 2012-01-16 18:19:53 +00:00
Ivan Voras
d83064751a Add a bit of verbosity to the comment. 2012-01-16 15:47:42 +00:00
Kevin Lo
575cabed9e Fix a style bug 
Spotted by:	avg
 2012-01-16 14:54:48 +00:00
Gleb Smirnoff
15d2f18763 Make panic strings in m_gettype(), m_getzone(), m_cljset() 
consistent.
 2012-01-16 13:23:19 +00:00
Gleb Smirnoff
fe4ead276d Add missing static. 2012-01-16 12:33:55 +00:00
Gleb Smirnoff
abe5a2ce52 Remove some disabled NOTYET code. Probability of enabling it is low, 
if anyone wants, he/she can take it from svn.
 2012-01-16 12:31:33 +00:00
Jean-Sébastien Pédron
01a43bcf7b sh: Fix execution of multiple statements in a trap when evalskip is set 
Before this fix, only the first statement of the trap was executed if
evalskip was set. This is for example the case when:
    o  "-e" is set for this shell
    o  a trap is set on EXIT
    o  a function returns 1 and causes the script to abort

Reviewed by:	jilles
MFC after:	2 weeks
 2012-01-16 11:07:46 +00:00
Jean-Sébastien Pédron
cb1c8e8ced sh: Test EXIT trap with multiple statements in it 
Reviewed by:	jilles
MFC after:	2 weeks
 2012-01-16 10:59:44 +00:00
Gleb Smirnoff
b4240b64aa m_getzone() should return only cluster zones. 2012-01-16 10:58:14 +00:00
Hans Petter Selasky
96d87d2b69 Export ttyname instead of ttyunit via the sysctl interface. 
Submitted by:	Mykhaylo Yehorov
PR:		usb/164090
MFC after:	1 week
 2012-01-16 10:42:43 +00:00
Kevin Lo
57eb5548c9 Add nfs export support to tmpfs(5) 
Reviewed by:	kib
 2012-01-16 10:25:22 +00:00
Gleb Smirnoff
56cf9dc1f6 Drop support for SIOCSIFADDR, SIOCSIFNETMASK, SIOCSIFBRDADDR, SIOCSIFDSTADDR 
ioctl commands.

PR:		163524
Reviewed by:	net
 2012-01-16 09:53:24 +00:00
Hans Petter Selasky
3a4a1a7f8a Export information about USB serial port unit and port numbers 
directly via the sysctl interface.

Submitted by:	Mykhaylo Yehorov
PR:		usb/164090
MFC after:	1 week
 2012-01-16 08:13:25 +00:00
David Xu
d22d46ce27 Insert read memory barriers. 2012-01-16 06:15:14 +00:00
Xin LI
b834944105 Match surrounding style. 
Noticed by:	avg
 2012-01-16 06:00:44 +00:00
David Schultz
89c570d28d Remove a confused comment and fix some minor bugs. 2012-01-16 05:23:27 +00:00
David Schultz
9c955049b4 Fix the definition of FLT_EVAL_METHOD and some minor bugs. 2012-01-16 05:23:13 +00:00
Adrian Chadd
a2d4a78a47 Stop overloading opt_global.h. 2012-01-16 05:07:32 +00:00
David Xu
29a06690ca Eliminate branch and insert an explicit reader memory barrier to ensure 
that waiter bit is set before reading semaphore count.
 2012-01-16 04:39:10 +00:00
David Schultz
8ff9d52cd0 Computations on NaNs are supposed to return one of the input NaNs unchanged. 
Fix a few places in the sparc64 floating-point emulator where this wasn't
being handled properly.

Submitted by:	bde
 2012-01-16 04:09:45 +00:00
David Schultz
7bde21b1f9 Add an implementation of fenv.h intended for platforms that lack an FPU and 
use softfloat.

Thanks to Ian Lepore for testing and debugging this patch.  The fenv
regression tests pass (at least for Ian's arm chip) with this change.
 2012-01-16 04:09:17 +00:00
David Schultz
86d131a04a Implement FLT_ROUNDS for arm. Some (all?) arm FPUs lack support for 
dynamic rounding modes, but FPUless chips that use softfloat can support it
because everything is emulated anyway.  (We presently have incomplete
support for hardware FPUs.)

Submitted by:	Ian Lepore
 2012-01-16 04:08:29 +00:00
David Schultz
980ece8077 Remove functions from softfloat's Symbol.map that don't need to be exported. 
Also use the proper number of underscores for internal names.  (Changing
the names should be fine, since apparently the symbols are currently
unused.)
 2012-01-16 04:06:56 +00:00
David Schultz
b1d046441d Convert softfloat to use the standard exception flag and rounding macros 
in fenv.h instead of the non-standard and incomplete ones in ieeefp.h.

Thanks to Ian Lepore for testing this patch.
 2012-01-16 04:05:53 +00:00
David Schultz
c6c72ab9af Correct some bugs that resulted from arm/_fpmath.h being blindly copied 
from the x86 version, which has a completely different long double
format.

Submitted by:	Maks Verver
 2012-01-16 04:04:35 +00:00
Colin Percival
e69346d668 s/amd64/i386/ in comment. 2012-01-16 02:42:41 +00:00
Colin Percival
1934cbcc1a Copy XENHVM config file from amd64, now that i386+XENHVM works. 2012-01-16 02:42:16 +00:00
Colin Percival
206d503b92 Make XENHVM work on i386. The __ffs() function counts bits starting from 
zero, unlike ffs(3), which starts counting from 1.
 2012-01-16 02:38:45 +00:00
Alexander Motin
20332cc2b2 Add check to avoid assertion panic on duplicate stop. 
Reported by:	Yuri Pankov <yuri.pankov@gmail.com>
MFC after:	2 months
 2012-01-16 00:26:52 +00:00
Alan Cox
0b05cac3d2 When tmpfs_write() resets an extended file to its original size after an 
error, we want tmpfs_reg_resize() to ignore I/O errors and unconditionally
update the file's size.

Reviewed by:	kib
MFC after:	3 weeks
 2012-01-16 00:26:49 +00:00
Tim Kientzle
79ca35f323 BeagleBone uses an FTDI chip with 
an altered Product ID.
 2012-01-15 23:00:33 +00:00
Jilles Tjoelker
93fcb2511b sh: Fix some bugs with exit status from case containing ;&. 
Also, rework evalcase() to not evaluate any tree. Instead, return the
NCLISTFALLTHRU node and handle it in evaltree().

Fixed bugs:

* If a ;& list with non-zero exit status is followed by an empty ;; or final
  list, the exit status of the case command should be equal to the exit
  status of the ;& list, not 0.

* An empty ;& case should not reset $?.
 2012-01-15 21:39:38 +00:00
Andriy Gapon
996775de4b dadump: don't leak the periph lock on i/o error 
Reported by:	az
MFC after:	1 week
 2012-01-15 20:43:39 +00:00