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Author SHA1 Message Date
kib
e94bd75cc5 Add definitions related to XCR0. 
MFC after:	1 week
 2012-01-17 07:23:43 +00:00
kib
6633d0628b Add macro IS_BSP() to check whether the current CPU is BSP. 
MFC after:	1 week
 2012-01-17 07:21:23 +00:00
pluknet
8c28719b6d 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
kevlo
1a0c72b3fe Return EOPNOTSUPP since we only support update mounts for NFS export. 
Spotted by:	trociny
 2012-01-17 01:25:53 +00:00
mckusick
bdae70b9cd 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
mckusick
af2e331939 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
nwhitehorn
bf2ee27f25 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
alc
5210c69a89 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
stas
6e62eeb506 - Add ID for the BeagleBone FTDI serial over usb port. 
MFC after:	3 days
 2012-01-16 23:14:23 +00:00
hselasky
87b184512f Add support for more USB devices. 
Submitted by:	pav @
MFC after:	1 week
 2012-01-16 22:26:25 +00:00
ghelmer
06b861e15c Remove unnecessary includes from these libutil man pages. 
Requested by bde (as was the previous commit).
 2012-01-16 21:25:41 +00:00
ghelmer
05bff00124 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
pluknet
b3d0f7050a Be pedantic and change // comment to C-style one. 
Noticed by:		Bruce Evans
 2012-01-16 20:42:56 +00:00
das
3d0182b53d Generate a warning if the kernel's arc4random() is seeded with bogus entropy. 2012-01-16 20:18:10 +00:00
das
48c614390e Fix the value of float_t to match what is implied by FLT_EVAL_METHOD. 2012-01-16 20:17:51 +00:00
das
8b40681e9a 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
jh
ae73284c1a 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
theraven
5a45f730a5 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
ivoras
05c07bee54 Add a bit of verbosity to the comment. 2012-01-16 15:47:42 +00:00
kevlo
c0b68d117e Fix a style bug 
Spotted by:	avg
 2012-01-16 14:54:48 +00:00
glebius
b9d1d0a324 Make panic strings in m_gettype(), m_getzone(), m_cljset() 
consistent.
 2012-01-16 13:23:19 +00:00
glebius
32f0f52d7a Add missing static. 2012-01-16 12:33:55 +00:00
glebius
6541877ebc 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
dumbbell
8b387a2d35 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
dumbbell
4e22d62dd6 sh: Test EXIT trap with multiple statements in it 
Reviewed by:	jilles
MFC after:	2 weeks
 2012-01-16 10:59:44 +00:00
glebius
db72d40eb9 m_getzone() should return only cluster zones. 2012-01-16 10:58:14 +00:00
hselasky
e1055fad78 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
kevlo
ba45f0caad Add nfs export support to tmpfs(5) 
Reviewed by:	kib
 2012-01-16 10:25:22 +00:00
glebius
1725d903e6 Drop support for SIOCSIFADDR, SIOCSIFNETMASK, SIOCSIFBRDADDR, SIOCSIFDSTADDR 
ioctl commands.

PR:		163524
Reviewed by:	net
 2012-01-16 09:53:24 +00:00
hselasky
9681d0cefc 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
davidxu
8c9cfa24de Insert read memory barriers. 2012-01-16 06:15:14 +00:00
delphij
b77656256d Match surrounding style. 
Noticed by:	avg
 2012-01-16 06:00:44 +00:00
das
e38bc2c345 Remove a confused comment and fix some minor bugs. 2012-01-16 05:23:27 +00:00
das
760d07933d Fix the definition of FLT_EVAL_METHOD and some minor bugs. 2012-01-16 05:23:13 +00:00
adrian
5e86568189 Stop overloading opt_global.h. 2012-01-16 05:07:32 +00:00
davidxu
0483748480 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
das
c3eb99c02f 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
das
16087d23a4 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
das
d54add422b 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
das
dd671a50d4 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
das
d6b9b99e3b 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
das
b2eac838cc 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
cperciva
06f5843056 s/amd64/i386/ in comment. 2012-01-16 02:42:41 +00:00
cperciva
773af73a4a Copy XENHVM config file from amd64, now that i386+XENHVM works. 2012-01-16 02:42:16 +00:00
cperciva
f41ab1687f 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
mav
bba60d8920 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
alc
213db2103e 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
kientzle
83920bc185 BeagleBone uses an FTDI chip with 
an altered Product ID.
 2012-01-15 23:00:33 +00:00
jilles
0ae130814a 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
avg
2864011233 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