Commit Graph

171519 Commits

Author SHA1 Message Date
Konstantin Belousov
f18d5bf44b Use assembler mnemonic instead of manually assembling, contination for r238142.
Reviewed by:	jhb
MFC after:	1 month
2012-07-06 20:11:58 +00:00
Pedro F. Giffuni
a880c5109e Merge a small update from NetBSD.
Feb 15 21:55:23 2009 - chared.c chared.h
pass lint on _LP64.

MFC after:	1 week
2012-07-06 19:30:50 +00:00
Ed Maste
f95a30bd6a Allow continuous packet transmission (via -t 0)
Also add a missing check for the cancel flag while waiting for the first
packet in receive mode.
2012-07-06 17:03:43 +00:00
Pedro F. Giffuni
dcb0dada6b Fix issue resizing bin/sh
This partially reverts some changes from r237448 that are causing
breakage when resizing under bin/sh .

Reverted changes from NetBSD are:

Mar 10 20:46:15 2009 - editline.3 read.c
make el_gets set the count to -1 on error to distinguish between EOF and
error.

Feb 19 15:20:22 2009 - read.c sig.c sig.h
reset and redraw on sigcont. From Anon Ymous.

Feb 15 21:24:13 2009
don't restart on EINTR, instead return NULL immediately. From Anon Ymous

PR:		169603
Reported by:	Peter Jeremy, David Shao
MFC after:	3 days
2012-07-06 16:43:56 +00:00
Marcel Moolenaar
e11379e9f8 agp.c:
Don't use Maxmem when the amount of memory is meant. Use realmem instead.
Maxmem is not only a MD variable, it represents the highest physical memory
address in use. On systems where memory is sparsely layed-out the highest
memory address and the amount of memory are not interchangeable. Scaling the
AGP aperture based on the actual amount of memory (= realmem) rather than
the available memory (= physmem) makes sure there's consistent behaviour
across architectures.

agp_i810.c:
While arguably the use of Maxmem can be considered correct, replace its use
with realmem anyway. agp_i810.c is specific to amd64, i386 & pc98, which
have a dense physical memory layout. Avoiding Maxmem here is done with an
eye on copy-n-paste behaviour in general and to avoid confusion caused by
using realmem in agp.c and Maxmem in agp_i810.c.

In both cases, remove the inclusion of md_var.h
2012-07-06 15:57:03 +00:00
Edward Tomasz Napierala
aaaf515fde Fix typo in the comment. 2012-07-06 15:46:38 +00:00
Ed Maste
66a698c9bc Also report tx bandwidth with Ethernet overhead 2012-07-06 15:36:39 +00:00
Andriy Gapon
e0bc3c3d99 r237748 continuation: fix nopw (0f 1f) behavior with respect to modifiers
To do: proper merge with Illumos vendor area.

Reported by:	emaste
Tested by:	emaste
Obtained from:	Illumos commit 13442:4adbe6de60c8
MFC after:	5 days
2012-07-06 14:45:30 +00:00
Andriy Gapon
7e18e35b14 r237748 continuation: segment-override prefixes are not invalid in long mode
Update DTrace disassembler accordingly.  The code to treat the prefixes
as null prefixes was already in place.
Although in practice compilers seem to generate only cs-prefix for use
in long NOPs, the same treatment is applied to all of cs, ds, es, ss for
consistency.

Reported by:	emaste
Tested by:	emaste
Obtained from:	Illumos commit 13442:4adbe6de60c8 (+ local changes)
MFC after:	5 days
2012-07-06 14:41:02 +00:00
John Baldwin
11a08d62da Add support for the 'invept' and 'invvpid' instructions. Beyond simply
adding appropriate table entries, the assembler had to be adjusted as
these are the first non-SSE instructions to use a 3-byte opcode (and a
mandatory prefix to boot).

MFC after:	1 month
2012-07-06 14:28:18 +00:00
John Baldwin
6632f45773 Several fixes to the amd64 disassembler:
- Add generic support for opcodes that are escape bytes used for
  multi-byte opcodes (such as the 0x0f prefix).  Use this to replace
  the hard-coded 0x0f special case and add support for three-byte
  opcodes that use the 0x0f38 prefix.
- Decode all Intel VMX instructions.  invept and invvpid in particular are
  three-byte opcodes that use the 0x0f38 escape prefix.
- Rework how the special 'SDEP' size flag works such that the default
  instruction name (i_name) is the instruction when the data size
  prefix (0x66) is not specified, and the alternate name in i_extra is
  used when the prefix is included.
- Add a new 'ADEP' size flag similar to 'SDEP' except that it chooses
  between i_name and i_extra based on the address size prefix (0x67).
  Use this to fix the decoding for jrcxz vs jecxz which is determined
  by the address size prefix, not the operand size prefix.  Also, jcxz
  is not possible in 64-bit mode, but jrcxz is the default instruction
  for that opcode.
- Add support for handling instructions that have a mandatory 'rep'
  prefix (this means not outputting the 'repe ' prefix until determining
  if it is used as part of an opcode).  Make 'pause' less of a special
  case this way.
- Decode 'cmpxchg16b' and 'cdqe' which are variants of other instructions
  but with a REX.W prefix.

MFC after:	1 month
2012-07-06 14:25:59 +00:00
Ed Maste
3fe77e68ef Allow threads to finish up when terminated by user
Set a flag and allow worker threads to finish upon ^C, instead of
immediately cancelling them, so that final packet count and rate
stats can be displayed.
2012-07-06 13:21:23 +00:00
John Baldwin
fec4b62adf Add another PS/2 keyboard PNP ID. This ID is listed as
"Reserved by Microsoft" in the standard PNP ID table, but has been seen
in the wild on at least one laptop.

PR:		kern/169571
Submitted by:	Matthias Apitz  guru unixarea de
MFC after:	3 days
2012-07-06 12:13:28 +00:00
Alan Cox
cc861283f4 Make pmap_enter()'s management of PV entries consistent with the other pmap
functions that manage PV entries.  Specifically, remove the PV entry from
the containing PV list only after the corresponding PTE is destroyed.

Update the pmap's wired mapping count in pmap_enter() before the PV list
lock is acquired.
2012-07-06 06:42:25 +00:00
Alan Cox
3653f5cbcb Replace all uses of the vm page queues lock by a r/w lock that is private
to this pmap.

Tested by:	andreast, jhibbits
2012-07-06 02:18:49 +00:00
Jack F Vogel
996922aeee Correct small regressions pointed out by jhb, thanks John.
MFC after:5 days
2012-07-05 23:36:17 +00:00
Jack F Vogel
a621e3c8b5 Update to the ixgbe driver:
- Add a couple of new devices
  - Flow control changes in shared and core code
  - Bug fix to Flow Director for 82598
  - Shared code sync to internal with required core change

Thanks to those helping in the testing and improvements to this driver!

MFC after:5 days
2012-07-05 20:51:44 +00:00
Jack F Vogel
ab5d036272 Sync with Intel internal source:
shared code update and small changes in core required
Add support for new i210/i211 devices
Improve queue calculation based on mac type

MFC after:5 days
2012-07-05 20:26:57 +00:00
David E. O'Brien
6e50170633 Remove the "funny targets" make check. We no longer need embedded :: targets
to build FreeBSD (they are used in Perl man pages).  We never needed embedded
"!" in targets that I can find.

We got this from OpenBSD and I cannot find any other make that supports
such things -- contrary to their commit message claim: "This behaviour
is also consistent with other versions of make.".
2012-07-05 18:23:36 +00:00
John Baldwin
7574a595f2 Now that our assembler supports the xsave family of instructions, use them
natively rather than hand-assembled versions.  For xgetbv/xsetbv, add a
wrapper API to deal with xcr* registers: rxcr() and load_xcr().

Reviewed by:	kib
MFC after:	1 month
2012-07-05 18:19:35 +00:00
Brooks Davis
9597393516 Document the behavior (from 4.4-lite) that tokens returned by telldir() are
single use.

Sponsored by:	DARPA, AFRL
MFC after:	3 days
2012-07-05 17:02:20 +00:00
Marcel Moolenaar
252f780672 Fix LINT.
Obtained from:	Juniper Networks, Inc.
2012-07-05 15:23:45 +00:00
Alan Cox
8f2994ce67 Calculate the new PTE value in pmap_enter() before acquiring any locks.
Move an assertion to the beginning of pmap_enter().
2012-07-05 07:20:16 +00:00
Ed Maste
24d2e21d9b Restore r211786 by rpaulo:
Port dtruss to FreeBSD.

  Sponsored by:   The FreeBSD Foundation

It appears the change was reverted by r235380.
2012-07-05 00:52:23 +00:00
Alan Cox
1bc8531c1e Correct an error in r237513. The call to reserve_pv_entries() must come
before pmap_demote_pde() updates the PDE.  Otherwise, pmap_pv_demote_pde()
can crash.

Crash reported by:	kib
Patch tested by:	kib
2012-07-05 00:08:47 +00:00
John Baldwin
22f9e86238 Add support for the 'xsave', 'xrstor', 'xsaveopt', 'xgetbv', and 'xsetbv'
instructions.  I reimplemented this from scratch based on the Intel
manuals and the existing support for handling the fxsave and fxrstor
instructions.  This will let us use these instructions natively with GCC
rather than hardcoding the opcodes in hex.

Reviewed by:	kib
MFC after:	1 month
2012-07-04 22:12:10 +00:00
Michael Tuexen
1ebccfd0a2 Use consistent method to determine IPV4_OUTPUT/IPV6_OUTPUT.
MFC after: 3 days
2012-07-04 20:59:30 +00:00
Michael Tuexen
c76b949968 Use CSUM_SCTP_IPV6 for IPv6.
MFC after: 3 days
2012-07-04 20:29:16 +00:00
Pawel Jakub Dawidek
c66ee1b31e Make use of GEOM Gate direct reads feature. This allows HAST to serve
reads with native speed of the underlying provider.
There are three situations when direct reads are not used:
1. Data is being synchronized and synchronization source is the secondary
   node, which means secondary node has more recent data and we should read
   from it.
2. Local read failed and we have to try to read from the secondary node.
3. Local component is unavailable and all I/O requests are served from the
   secondary node.

Sponsored by:	Panzura, http://www.panzura.com
MFC after:	1 month
2012-07-04 20:20:48 +00:00
Pawel Jakub Dawidek
e08ec03778 Extend GEOM Gate class to handle read I/O requests directly within the kernel.
This will allow HAST to read directly from the local component without
even communicating userland daemon.

Sponsored by:	Panzura, http://www.panzura.com
MFC after:	1 month
2012-07-04 20:16:28 +00:00
Pawel Jakub Dawidek
72de35d0a7 Prefer sysctl to open/read/close for obtaining random data.
This method is more sandbox-friendly and also should be faster as only
one syscall is needed instead of three.
In case of an error fall back to the old method.

Reviewed by:	simon, gleb
MFC after:	2 weeks
2012-07-04 19:51:25 +00:00
Pawel Jakub Dawidek
a894d53ea0 Improve description of various key used by GELI.
PR:		docs/169089
Submitted by:	John W. O'Brien <john@saltant.com>
MFC after:	3 days
2012-07-04 17:59:26 +00:00
Pawel Jakub Dawidek
457bbc4f3a Use correct part of the Master-Key for generating encryption keys.
Before this change the IV-Key was used to generate encryption keys,
which was incorrect, but safe - for the XTS mode this key was unused
anyway and for CBC mode it was used differently to generate IV
vectors, so there is no risk that IV vector collides with encryption
key somehow.

Bump version number and keep compatibility for older versions.

MFC after:	2 weeks
2012-07-04 17:54:17 +00:00
Pawel Jakub Dawidek
3d47ea3324 Correct comment.
MFC after:	3 days
2012-07-04 17:44:39 +00:00
Pawel Jakub Dawidek
ec58140a27 Correct a comment and correct style of a flag check.
MFC after:	3 days
2012-07-04 17:43:25 +00:00
Pawel Jakub Dawidek
92484a2615 vdev_io_done stage is not used for ioctls.
MFC after:	1 week
2012-07-04 17:39:29 +00:00
Pawel Jakub Dawidek
a905af7e2d Fix an obvious typo.
MFC after:	3 days
2012-07-04 17:36:26 +00:00
Pawel Jakub Dawidek
988a521bf0 The register_printf_render_std() function expects regular string.
Change argument type from 'const unsigned char *' to 'const char *'.

MFC after:	2 weeks
2012-07-04 17:35:07 +00:00
Pawel Jakub Dawidek
64b0683e23 Recognize 'none' or '0' as no flags. 2012-07-04 17:31:53 +00:00
John Baldwin
66f9aec075 Decode the 'xsave', 'xrstor', 'xsaveopt', 'xgetbv', 'xsetbv', and
'rdtscp' instructions.

MFC after:	1 month
2012-07-04 16:47:39 +00:00
Gabor Kovesdan
5d5151ae7e - Change --nthreads parameter to --parallel for GNU compatibility
- Change default sort method to mergesort, which has a better worst case
  performance than qsort

Submitted by:	Oleg Moskalenko <oleg.moskalenko@citrix.com>
2012-07-04 16:25:11 +00:00
Dag-Erling Smørgrav
7f8492ba48 Name jails automatically.
MFC after:	1 week
2012-07-04 13:37:44 +00:00
Joel Dahl
2611bdd9d9 Remove end of line whitespace. 2012-07-04 10:17:02 +00:00
Stefan Eßer
a397989d4e Add the possibility to specify a threshold for the number of negative cache
results required to have the cache return lookup failure.

A new configuration parameter is introduced, which must be set to a value
greater than 1 to activate this feature. The default behavior is unchanged.

The purpose of this change is to allow probes for the existence of an entry
(which are expected to fail), before that entry is added to one of the
queried databases, without the cache returning the stale information from
the probe query until that cache entry expires. If, for example, a new user
account is created after checking that the new account name is available,
the negative cache entry would prevent immediate access to the account.

For that example, the new configuration option

negative-confidence-threshold passwd 2

will require a second negative query result to consider the negative cache
entry for a passwd entry valid, but if the user account has been created
between the queries, then the positive query result from the second query
will be cached and returned.
2012-07-04 09:02:12 +00:00
Gleb Smirnoff
d8115a8690 Document RO_RTFREE() macro. 2012-07-04 07:42:12 +00:00
Gleb Smirnoff
bf9840512a When ip_output()/ip6_output() is supplied a struct route *ro argument,
it skips FLOWTABLE lookup. However, the non-NULL ro has dual meaning
here: it may be supplied to provide route, and it may be supplied to
store and return to caller the route that ip_output()/ip6_output()
finds. In the latter case skipping FLOWTABLE lookup is pessimisation.

The difference between struct route filled by FLOWTABLE and filled
by rtalloc() family is that the former doesn't hold a reference on
its rtentry. Reference is hold by flow entry, and it is about to
be released in future. Thus, route filled by FLOWTABLE shouldn't
be passed to RTFREE() macro.

- Introduce new flag for struct route/route_in6, that marks route
  not holding a reference on rtentry.
- Introduce new macro RO_RTFREE() that cleans up a struct route
  depending on its kind.
- All callers to ip_output()/ip6_output() that do supply non-NULL
  but empty route should use RO_RTFREE() to free results of
  lookup.
- ip_output()/ip6_output() now do FLOWTABLE lookup always when
  ro->ro_rt == NULL.

Tested by:	tuexen (SCTP part)
2012-07-04 07:37:53 +00:00
Michael Tuexen
e3d6ef0b03 Iniitialize a variable.
MFC after: 3 days
2012-07-03 21:41:19 +00:00
Mikolaj Golub
eaa769f547 Fix style.
MFC after:	3 days
2012-07-03 19:11:38 +00:00
Mikolaj Golub
e71a7957bd Fix KASSERT message.
MFC after:	3 days
2012-07-03 19:08:02 +00:00
Mikolaj Golub
b7d61ba317 Don't check for ifp != NULL before KASSERT, as ifp may not be NULL here
(it is dereferenced below).

Discussed with:	jhb
MFC after:	1 week
2012-07-03 19:04:18 +00:00