David Schultz [Fri, 20 Jan 2012 06:54:30 +0000 (06:54 +0000)]
Don't inline fenv.h functions on arm for now. Inlining makes sense:
the function bodies require only 2 to 10 instructions. However, it
leads to application binaries that refer to a private ABI, namely, the
softfloat innards in libc. This could complicate future changes in
the implementation of the floating-point emulation layer, so it seems
best to have programs refer to the official fe* entry points in libm.
David Schultz [Fri, 20 Jan 2012 06:51:41 +0000 (06:51 +0000)]
Add parentheses where required. Without them, `sizeof LDBL_MAX'
is a syntax error and shouldn't be, while `1 FLT_ROUNDS' isn't a
syntax error and should be. Thanks to bde for the examples.
David Schultz [Fri, 20 Jan 2012 06:16:14 +0000 (06:16 +0000)]
Merge in the latest SoftFloat changes from NetBSD. (NetBSD isn't the
original vendor, but we're using their heavily modified version.)
This brings in functions for long double emulation (both extended and
quad formats), which may be useful for testing, and also for replacing
libc/sparc64/fpu/.
Rick Macklem [Fri, 20 Jan 2012 00:58:51 +0000 (00:58 +0000)]
Martin Cracauer reported a problem to freebsd-current@ under the
subject "Data corruption over NFS in -current". During investigation
of this, I came across an ugly bogusity in the new NFS client where
it replaced the cr_uid with the one used for the mount. This was
done so that "system operations" like the NFSv4 Renew would be
performed as the user that did the mount. However, if any other
thread shares the credential with the one doing this operation,
it could do an RPC (or just about anything else) as the wrong cr_uid.
This patch fixes the above, by using the mount credentials instead of
the one provided as an argument for this case. It appears
to have fixed Martin's problem.
This patch is needed for NFSv4 mounts and NFSv3 mounts against
some non-FreeBSD servers that do not put post operation attributes
in the NFSv3 Statfs RPC reply.
Tested by: Martin Cracauer (cracauer at cons.org)
Reviewed by: jhb
MFC after: 2 weeks
Use shared lock for the executable vnode in the exec path after the
VV_TEXT changes are handled. Assert that vnode is exclusively locked at
the places that modify VV_TEXT.
John Baldwin [Thu, 19 Jan 2012 21:38:19 +0000 (21:38 +0000)]
Properly return success once a matching VPD entry is found in
pci_get_vpd_readonly_method(). Previously the loop was always running
to completion and falling through to failing with ENXIO.
Pyun YongHyeon [Thu, 19 Jan 2012 20:13:16 +0000 (20:13 +0000)]
Fix a logic error which resulted in putting PHY into sleep when WOL
is active. If WOL is active driver should not put PHY into sleep.
This change makes WOL work on RTL8168E.
Alexander Motin [Thu, 19 Jan 2012 11:18:21 +0000 (11:18 +0000)]
Print controller/codec IDs for unknown chips instead of useless and
frightening "unknown" word. In most cases we don't need to know chips
to properly handle them, but having IDs in logs may simplify debugging.
Luigi Rizzo [Thu, 19 Jan 2012 09:36:19 +0000 (09:36 +0000)]
netmap-related changes:
1. correct the initialization of RDT when there is an ixgbe_init()
while a netmap client is active. This code was previously
in ixgbe_initialize_receive_units() but RDT is overwritten
shortly afterwards in ixgbe_init_locked()
2. add code (not active yet) to disable CRCSTRIP while in netmap mode.
From all evidence i could gather, it seems that when the 82599 has to
write a data block that is not a full cache line, it first reads
the line (64 bytes) and then writes back the updated version.
This hurts reception of min-sized frames, which are only 60 bytes
if the CRC is stripped: i could never get above 11Mpps
(received from one queue) with CRCSTRIP enabled, whyle 64+4-byte
packets reach 14.2 Mpps (the theoretical maximum).
Leaving the CRC in gets us 14.88Mpps for 60+4 byte frames,
(and penalizes 64+4). The min-size case is important not just because
it looks good in benchmarks, but also because this is the size
of pure acks.
Note we cannot leave CRCSTRIP on by default because it is
incompatible with some other features (LRO etc.)
Alexander Motin [Thu, 19 Jan 2012 01:55:48 +0000 (01:55 +0000)]
Two 192/24/8 playback streams overflow single mandatory output line (SDO)
of HDA bus. Handle that from two directions:
- Add support for "striping" (using several SDO lines), if supported.
- Account HDA bus utilization and return error on new stream allocation
attempt if remaining bandwidth is unsifficient.
Most of HDA controllers have one SDO line with 46Mbps output bandwidth.
NVIDIA GF210 has 2 lines - 92Mbps. NVIDIA GF520 has 4 lines - 184Mbps!
Sean Bruno [Thu, 19 Jan 2012 01:25:50 +0000 (01:25 +0000)]
Wrap changes from svn r212126 inside LOADER_NFS_SUPPORT such that
using LOADER_TFTP_SUPPORT excludes this code. Fixes compilation of pxeldr
with -DLOADER_TFTP_SUPPORT
Applicable to stable/9 and stable/8 now.
This appears to not be needed on stable/7 as r212126 has not been MFC'd.
Alexander Motin [Wed, 18 Jan 2012 19:12:33 +0000 (19:12 +0000)]
Improve HDMI/DisplayPort audio support in snd_hda(4):
- Enable and handle unsolicited responses from digital display pins,
reporting connection and EDID-Like Data (ELD) validity status changes.
- Fetch ELD data, describing connected digital display device audio
capabilities. These data not really used at the moment (user is not
denied to use audio formats not supported by the device), only printed to
verbose logs. But they are useful for debugging. The fact that ELD was
received tells that HDMI link was established and video driver enabled
HDMI audio passthrough. Some old chips may not return ELD, so lack of it
is not necessary a problem.
- Add some more points to CODEC configuration sequence:
- For converter widgets, supporting more then two channels (HDMI/DP
converter widgets support 8), set number of channels to handle.
- For digital display pins (HDMI/DP) fill audio infoframe, reporting
connected device about number of channels and speakers allocation.
- For digital display pins (HDMI/DP) set mapping between channels seen
by software and channels transferred via HDMI/DisplayPort.
- Allow more audio formats, not used for analog connections because of
stereo pairs orientation, but easily applicable to HDMI/DisplayPort: 2.1,
3.0, 3.1, 4.1, 5.0, 6.0, 6.1, 7.0. That list may be filtered later using
info from ELD.
- Disable MSI interrupts for NVIDIA HDA controllers before GT520.
At this point I can successfully play audio over HDMI from NVIDIA GT210
and GT520 cards with nvidia-driver-290.10 driver to Marantz SR4001
receiver in 2.0, 2.1, 3.0, 4.0, 4.1, 5.0 and 5.1 PCM formats at 44, 48,
88 and 96KHz at 16 and 24 bits, same as do AC3/DTS passthrough.
6.0, 6.1, 7.0 and 7.1 PCM formats are not working for me, but I think
it is because of receiver age.
Peter Wemm [Wed, 18 Jan 2012 18:26:56 +0000 (18:26 +0000)]
Rev 228065 (change bsd.own.mk -> bsd.init.mk) broke pam_unix.so by causing
the LDADD/DPADD to lose the -lpam, and causing openpam_dynamic() to fail
due to "openpam_get_options" being undefined.
This would cause obscure console log messages like:
openpam_dynamic(): No error: 0
openpam_load_module(): no pam_unix.so found
and other helpful messages which are no help in diagnosing the problem.
Fortunately this change was not mfc'ed to 9.x, it isn't broken there.
Fix two issues related to the use of SIGINFO in fetch(1) to display
progress information. The first is that fetch_read() (used in the HTTP
code but not the FTP code) can enter an infinite loop if it has previously
been interrupted by a signal. The second is that when it is interrupted,
fetch_read() will discard any data it may have read up to that point.
Luckily, both bugs are extremely timing-sensitive and therefore difficult
to trigger.
PR: bin/153240
Submitted by: Mark <markjdb@gmail.com>
MFC after: 3 weeks
Ed Schouten [Tue, 17 Jan 2012 20:21:31 +0000 (20:21 +0000)]
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++.
Gleb Smirnoff [Tue, 17 Jan 2012 12:13:36 +0000 (12:13 +0000)]
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.
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.
Sergey Kandaurov [Tue, 17 Jan 2012 06:23:25 +0000 (06:23 +0000)]
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.
Kirk McKusick [Tue, 17 Jan 2012 01:14:56 +0000 (01:14 +0000)]
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.
Kirk McKusick [Tue, 17 Jan 2012 01:08:01 +0000 (01:08 +0000)]
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.
Alan Cox [Tue, 17 Jan 2012 00:27:32 +0000 (00:27 +0000)]
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.
Guy Helmer [Mon, 16 Jan 2012 21:19:23 +0000 (21:19 +0000)]
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.
David Schultz [Mon, 16 Jan 2012 20:17:29 +0000 (20:17 +0000)]
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.
David Chisnall [Mon, 16 Jan 2012 18:19:53 +0000 (18:19 +0000)]
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!
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