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Author SHA1 Message Date
Ed Schouten
76f11d88aa Only use the static assertion when __generic is available. 
Reported by:	tijl
 2012-01-17 20:22:10 +00:00
Ed Schouten
9b6e65b66f Don't expose __generic() when not using C++. 
According to the GCC documentation, the constructs used to implement
<tgmath.h> are only available in C mode. They only cause breakage when
used used with g++.

Reported by:	tijl
 2012-01-17 20:21:31 +00:00
Pyun YongHyeon
1f32d3b76f Free allocated jumbo buffers when controller is stopped. 2012-01-17 19:36:53 +00:00
Pyun YongHyeon
cba163625e Use a RX DMA tag to free loaded RX DMA maps. 
Previously it used a TX DMA tag.
 2012-01-17 19:31:03 +00:00
Adrian Chadd
a1f698ef1c Tidy-up. 2012-01-17 18:20:34 +00:00
Gleb Smirnoff
bdc99a491d The newhook method can be called in ISR context at 
certain circumstances, so better use M_NOWAIT in it.
 2012-01-17 18:10:25 +00:00
Konstantin Belousov
6db9cf559f Add definitions for the FPU extended state header, legacy extended 
state and AVX state.

MFC after:	1 week
 2012-01-17 17:07:13 +00:00
Konstantin Belousov
e568229f50 Modernize the fpusave structures definitions by using uint*_t types. 
MFC after:	1 week
 2012-01-17 16:53:41 +00:00
Alan Cox
1dfab8025e Explain why it is safe to unlock the vnode. 
Requested by:	kib
 2012-01-17 16:20:50 +00:00
David Chisnall
4ecabf31f3 Fix clang atomic to use for atomic_is_lock_free(). 
Reviewed by:	ed
Approved by:	dim (mentor)
 2012-01-17 15:20:41 +00:00
Gleb Smirnoff
3a8c7fa008 Allocate our mbuf with m_get2(). 2012-01-17 12:14:26 +00:00
Gleb Smirnoff
0adbaa2b80 Provide a function m_get2() that allocates a minimal mbuf that 
would fit specified size. Returned mbuf may be a single mbuf,
an mbuf with a cluster from packet zone, or an mbuf with jumbo
cluster of sufficient size.
 2012-01-17 12:13:36 +00:00
Konstantin Belousov
dd4f5d2437 Implement xsetbv(), xsave() and xrstor() providing C access to the 
similarly named CPU instructions.

Since our in-tree binutils gas is not aware of the instructions, and
I have to use the byte-sequence to encode them, hardcode the r/m operand
as (%rdi). This way, first argument of the pseudo-function is already
placed into proper register.

MFC after:	1 week
 2012-01-17 07:30:36 +00:00
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