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Author SHA1 Message Date
Pawel Jakub Dawidek
b9cf0cf5fa Correct when we log interrupted synchronization. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 21:20:32 +00:00
Pawel Jakub Dawidek
eba09893fd Check if no signals were delivered just before going to sleep. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:49:06 +00:00
Pawel Jakub Dawidek
01125a9381 Add hooks execution. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 20:48:12 +00:00
Konstantin Belousov
3eaca8526c Do not call __pthread_cxa_finalize with invalid struct dl_phdr_info. 
Reported and tested by:	Fabian Keil <freebsd-listen fabiankeil de>
MFC after:	17 days
 2010-08-27 19:57:17 +00:00
Jayachandran C.
b47f51b4a0 Revamp XLR interrupt handling, the previous scheme does not work well on 
SMP.

We used to route all PIC based interrupts to cpu 0, and used the per-CPU
interrupt mask to enable/disable interrupts. But the interrupt threads can
run on any cpu on SMP, and the interrupt thread will re-enable the interrupts
on the CPU it runs on when it is done, and not on cpu0 where the PIC will
still send interrupts to.

The fix is move the disable/enable for PIC based interrupts to PIC, we will
ack on PIC only when the interrupt thread is done, and we do not use the
per-CPU interrupt mask.

The changes also introduce a way for subsystems to add a function that
will be called to clear the interrupt on the subsystem. Currently This is
used by the PCI/PCIe for doing additional work during the interrupt
handling.
 2010-08-27 19:53:57 +00:00
John Baldwin
98b9eb0db2 Simplify the tcp pcblist estimate logic slightly. 
MFC after:	3 days
 2010-08-27 18:17:46 +00:00
Pawel Jakub Dawidek
ac59403c39 Document new 'exec' parameter. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:20:31 +00:00
Pawel Jakub Dawidek
0becad39a7 Allow to execute specified program on various HAST events. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 15:16:52 +00:00
Pawel Jakub Dawidek
1cdaf10c45 - Run hooks in background - don't block waiting for them to finish. 
- Keep all hooks we're running in a global list, so we can report when
  they finish and also report when they are running for too long.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:38:12 +00:00
Pawel Jakub Dawidek
e64887c4d6 When logging to stdout/stderr don't close those descriptors after fork(). 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:35:39 +00:00
Pawel Jakub Dawidek
3f828c18e5 Reduce indent where possible. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:28:39 +00:00
Pawel Jakub Dawidek
f7fe83f9f8 Implement keepalive mechanism inside HAST protocol so we can detect secondary 
node failures quickly for HAST resources that are rarely modified.

Remove XXX from a comment now that the guard thread never sleeps infinitely.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:26:37 +00:00
Pawel Jakub Dawidek
8f8c798c13 - Remove redundant and incorrect 'old' word from debug message. 
- Log disconnects as warnings.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:12:53 +00:00
Pawel Jakub Dawidek
e23d2d0187 Don't increase number synchronized bytes in case of an error. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:10:25 +00:00
Pawel Jakub Dawidek
53d9b386eb Log that synchronization was interrupted in a proper place. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:08:10 +00:00
Pawel Jakub Dawidek
55ce1e7c8b We have sync_start() function to start synchronization, introduce sync_stop() 
function to stop it.

MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:06:00 +00:00
Pawel Jakub Dawidek
16bd7026a2 Add QUEUE_INSERT() and QUEUE_TAKE() macros that simplify the code a bit. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 14:01:28 +00:00
Pawel Jakub Dawidek
6e5f008ac4 Add mtx_owned() implementation. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:58:38 +00:00
Pawel Jakub Dawidek
7087d13fae Make comment more readable. 
MFC after:	2 weeks
Obtained from:	Wheel Systems Sp. z o.o. http://www.wheelsystems.com
 2010-08-27 13:54:17 +00:00
Andre Oppermann
8502ec25dc Use timestamp modulo comparison macro for automatic receive buffer 
scaling to correctly handle wrapping of ticks value.

MFC after:	1 week
 2010-08-27 12:34:53 +00:00
Jaakko Heinonen
e45d37b2e9 Don't attempt to write label with GEOM_BSD based method if the class is 
not available. This improves error reporting when bsdlabel(8) is unable
to open a device for writing. If GEOM_BSD was unavailable, only a rather
obscure error message "Class not found" was printed.

PR:		bin/58390
Reviewed by:	ae
Discussed with:	marcel
MFC after:	1 month
 2010-08-27 11:08:11 +00:00
Konstantin Belousov
8f0e6fd35b Use private namespace for visibility keyword. 
Noted by:	bde
MFC after:	3 days
 2010-08-27 09:55:51 +00:00
Brian Somers
f77b6c6a25 Fix an off-by-one error where we try to split a path name that's 
more than 100 characters long and the 101th last character is a
'/'.

MFC after:	3 weeks
 2010-08-27 08:54:40 +00:00
Jayachandran C.
37b3715cdb Whitespace fixes in mips/include, remove unused 'struct tlb' from locore.h 
PR:		misc/147471
 2010-08-27 07:45:50 +00:00
Nathan Whitehorn
50e64c14a2 pmap_mapdev() does not appear to actually need GIANT to be held here, 
and asserting that is held breaks drm.

MFC after:	2 weeks
 2010-08-27 05:29:59 +00:00
David Xu
ed0ee6af2e Unregister thread specific data destructor when a corresponding dso 
is unloaded.
 2010-08-27 05:20:22 +00:00
David Xu
8e60ce996b clear lock to zero state if it is destroyed. 2010-08-27 03:23:07 +00:00
Pawel Jakub Dawidek
8733ff6e11 Update comment now that I finally committed r211854. 
MFC after:	1 month
 2010-08-26 23:44:32 +00:00
Pawel Jakub Dawidek
203a3b911e - When VFS_VGET() is not supported, switch to VOP_LOOKUP(). 
- We are fine by only share-locking the vnode.
- Remove assertion that doesn't hold for ZFS where we cross mount points
  boundaries by going into .zfs/snapshot/<name>/.

Reviewed by:	rmacklem
MFC after:	1 month
 2010-08-26 23:41:40 +00:00
Pawel Jakub Dawidek
0778b1d117 - Check the result of malloc(M_NOWAIT) in replay_alloc(). The caller 
(replay_alloc()) knows how to handle replay_alloc() failure.
- Eliminate 'freed_one' variable, it is not needed - when no entry is found
  rce will be NULL.
- Add locking assertions where we expect a rc_lock to be held.

Reviewed by:	rmacklem
MFC after:	2 weeks
 2010-08-26 23:33:04 +00:00
Jaakko Heinonen
4136388a18 Set de_dir for user created symbolic links. This will be needed to be 
able to resolve their parent directories.
 2010-08-26 16:01:29 +00:00
Warner Losh
3a1d56f9a4 Make sure TARGET_ABI is defined. TARGET_ABI will die a horrible death 
after we get all of TBEMD merged back into head, and make mips64 imply
n64, so don't bother to make this 100% pretty.  You'll have to settle
for only 64% pretty.
 2010-08-26 15:49:52 +00:00
Warner Losh
982850de57 Guard against TARGET_ABI being undefined (TARGET_ABI will go away soon) 2010-08-26 14:54:12 +00:00
Rui Paulo
ed5d030788 Mark __DTOR_LIST__, __EH_FRAME_BEGIN__ and __CTOR_END__ as used to avoid 
segfaults when building with clang.

This comes (partly) from the LLVM svn r41105.
 2010-08-26 13:04:16 +00:00
Rui Paulo
30ca19f436 Mark __JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__ as used to 
avoid segfaults when building with clang.

Permission to backport given by Jan hubicka <jh at suse.cz>.
 2010-08-26 13:00:29 +00:00
Rui Paulo
e48ccbb261 Install dtruss. 
Sponsored by:	The FreeBSD Foundation
 2010-08-26 11:46:38 +00:00
Rui Paulo
568e709958 Add a man page for dtruss. 
Sponsored by:	The FreeBSD Foundation
 2010-08-26 11:45:39 +00:00
Rui Paulo
6bf9fb35e5 Sync DTrace bits with amd64 and fix the build. 
Sponsored by:	The FreeBSD Foundation
 2010-08-26 11:22:12 +00:00
Konstantin Belousov
13561ed4ed Fix typo. 
Submitted by:	Ben Kaduk <minimarmot gmail com>
 2010-08-26 11:20:57 +00:00
David Xu
1ac3d5022c eliminate unused code. 2010-08-26 09:04:27 +00:00
David Xu
6b932eca79 Decrease rdlock count only when thread unlocked a reader lock. 
MFC after:	3 days
 2010-08-26 07:09:48 +00:00
Warner Losh
b86e178f05 Ugly kludge to paper over some kind of ld bug and/or misuse: don't 
build uathload on mips n64 either.
 2010-08-26 05:25:51 +00:00
Warner Losh
4d7ba08324 Rescue doesn't work for n64. 2010-08-26 05:16:00 +00:00
Rick Macklem
d7dc2db434 Add mutex locking for the call to replay_prune() in 
replay_setsize(), since replay_prune() expects the
rc_lock to be held when it is called.

MFC after:	2 weeks
 2010-08-25 23:23:00 +00:00
Jung-uk Kim
2b13785931 Fix a debugging message under bootverbose. This address is not linear. 2010-08-25 22:48:18 +00:00
Jung-uk Kim
a73f383ee9 Add an experimental feature to shadow video BIOS. Long ago, this trick was 
supported by many BIOSes to improve performance of VESA BIOS calls for real
mode OSes but it is not our intention here.  However, this may help some
platforms where the video ROMs are inaccessible after suspend, for example.
Note it may consume up to 64K bytes of contiguous memory depending on video
controller model when it is enabled.  This feature can be disabled by
setting zero to 'debug.vesa.shadow_rom' loader tunable via loader(8) or
loader.conf(5).  The default is 1 (enabled), for now.
 2010-08-25 22:09:02 +00:00
Edward Tomasz Napierala
81f6480d42 Revert r210194, adding a comment explaining why calls to chgproccnt() 
in unionfs are actually needed.  I have a better fix in trasz_hrl p4 branch,
but now is not a good moment to commit it.

Reported by:	Alex Kozlov
 2010-08-25 21:32:08 +00:00
Jung-uk Kim
db1cea00ad Increase maximum number of page table entries per VM86 context from 8 to 24 
pages, yet again.  Now we can allocate a whole segment, which is required
for shadowing option ROM images, for example.
 2010-08-25 21:13:23 +00:00
Jung-uk Kim
97e6525d6a Add x86bios_set_intr() to set interrupt vectors for real mode and simplify 
x86bios_get_intr() a little.
 2010-08-25 21:03:50 +00:00
Jung-uk Kim
bc339276fb Check opcode for short jump as well. Some option ROMs do short jumps 
(e.g., some NVIDIA video cards) and we were not able to do POST while
resuming because we only honored long jump.

MFC after:	3 days
 2010-08-25 20:52:40 +00:00