Commit Graph

7639 Commits

Author SHA1 Message Date
David Rientjes
51b1bd2ace oom: deprecate oom_adj tunable
/proc/pid/oom_adj is now deprecated so that that it may eventually be
removed.  The target date for removal is August 2012.

A warning will be printed to the kernel log if a task attempts to use this
interface.  Future warning will be suppressed until the kernel is rebooted
to prevent spamming the kernel log.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-09 20:45:02 -07:00
David Rientjes
a63d83f427 oom: badness heuristic rewrite
This a complete rewrite of the oom killer's badness() heuristic which is
used to determine which task to kill in oom conditions.  The goal is to
make it as simple and predictable as possible so the results are better
understood and we end up killing the task which will lead to the most
memory freeing while still respecting the fine-tuning from userspace.

Instead of basing the heuristic on mm->total_vm for each task, the task's
rss and swap space is used instead.  This is a better indication of the
amount of memory that will be freeable if the oom killed task is chosen
and subsequently exits.  This helps specifically in cases where KDE or
GNOME is chosen for oom kill on desktop systems instead of a memory
hogging task.

The baseline for the heuristic is a proportion of memory that each task is
currently using in memory plus swap compared to the amount of "allowable"
memory.  "Allowable," in this sense, means the system-wide resources for
unconstrained oom conditions, the set of mempolicy nodes, the mems
attached to current's cpuset, or a memory controller's limit.  The
proportion is given on a scale of 0 (never kill) to 1000 (always kill),
roughly meaning that if a task has a badness() score of 500 that the task
consumes approximately 50% of allowable memory resident in RAM or in swap
space.

The proportion is always relative to the amount of "allowable" memory and
not the total amount of RAM systemwide so that mempolicies and cpusets may
operate in isolation; they shall not need to know the true size of the
machine on which they are running if they are bound to a specific set of
nodes or mems, respectively.

Root tasks are given 3% extra memory just like __vm_enough_memory()
provides in LSMs.  In the event of two tasks consuming similar amounts of
memory, it is generally better to save root's task.

Because of the change in the badness() heuristic's baseline, it is also
necessary to introduce a new user interface to tune it.  It's not possible
to redefine the meaning of /proc/pid/oom_adj with a new scale since the
ABI cannot be changed for backward compatability.  Instead, a new tunable,
/proc/pid/oom_score_adj, is added that ranges from -1000 to +1000.  It may
be used to polarize the heuristic such that certain tasks are never
considered for oom kill while others may always be considered.  The value
is added directly into the badness() score so a value of -500, for
example, means to discount 50% of its memory consumption in comparison to
other tasks either on the system, bound to the mempolicy, in the cpuset,
or sharing the same memory controller.

/proc/pid/oom_adj is changed so that its meaning is rescaled into the
units used by /proc/pid/oom_score_adj, and vice versa.  Changing one of
these per-task tunables will rescale the value of the other to an
equivalent meaning.  Although /proc/pid/oom_adj was originally defined as
a bitshift on the badness score, it now shares the same linear growth as
/proc/pid/oom_score_adj but with different granularity.  This is required
so the ABI is not broken with userspace applications and allows oom_adj to
be deprecated for future removal.

Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-09 20:45:02 -07:00
Mel Gorman
b898cc7001 vmscan: tracing: add a postprocessing script for reclaim-related ftrace events
Add a simple post-processing script for the reclaim-related trace events.
It can be used to give an indication of how much traffic there is on the
LRU lists and how severe latencies due to reclaim are.  Example output
looks like the following

Reclaim latencies expressed as order-latency_in_ms
uname-3942             9-200.179000000004 9-98.7900000000373 9-99.8330000001006
kswapd0-311            0-662.097999999998 0-2.79700000002049 \
	0-149.100000000035 0-3295.73600000003 0-9806.31799999997 0-35528.833 \
	0-10043.197 0-129740.979 0-3.50500000000466 0-3.54899999999907 \
	0-9297.78999999992 0-3.48499999998603 0-3596.97999999998 0-3.92799999995623 \
	0-3.35000000009313 0-16729.017 0-3.57799999997951 0-47435.0630000001 \
	0-3.7819999998901 0-5864.06999999995 0-18635.334 0-10541.289 9-186011.565 \
	9-3680.86300000001 9-1379.06499999994 9-958571.115 9-66215.474 \
	9-6721.14699999988 9-1962.15299999993 9-1094806.125 9-2267.83199999994 \
	9-47120.9029999999 9-427653.886 9-2.6359999999404 9-632.148999999976 \
	9-476.753000000026 9-495.577000000048 9-8.45900000003166 9-6.6820000000298 \
	9-1.30500000016764 9-251.746000000043 9-383.905000000028 9-80.1419999999925 \
	9-281.160000000149 9-14.8780000000261 9-381.45299999998 9-512.07799999998 \
	9-49.5519999999087 9-167.439000000013 9-183.820999999996 9-239.527999999933 \
	9-19.9479999998584 9-148.747999999905 9-164.583000000101 9-16.9480000000913 \
	9-192.376000000164 9-64.1010000000242 9-1.40800000005402 9-3.60800000000745 \
	9-17.1359999999404 9-4.69500000006519 9-2.06400000001304 9-1582488.554 \
	9-6244.19499999983 9-348153.812 9-2.0999999998603 9-0.987999999895692 \
	0-32218.473 0-1.6140000000596 0-1.28100000019185 0-1.41300000017509 \
	0-1.32299999985844 0-602.584000000032 0-1.34400000004098 0-1.6929999999702 \
	1-22101.8190000001 9-174876.724 9-16.2420000000857 9-175.165999999736 \
	9-15.8589999997057 9-0.604999999981374 9-3061.09000000032 9-479.277000000235 \
	9-1.54499999992549 9-771.985000000335 9-4.88700000010431 9-15.0649999999441 \
	9-0.879999999888241 9-252.01500000013 9-1381.03600000031 9-545.689999999944 \
	9-3438.0129999998 9-3343.70099999988
bench-stresshig-3942   9-7063.33900000004 9-129960.482 9-2062.27500000002 \
	9-3845.59399999992 9-171.82799999998 9-16493.821 9-7615.23900000006 \
	9-10217.848 9-983.138000000035 9-2698.39999999991 9-4016.1540000001 \
	9-5522.37700000009 9-21630.429 \
	9-15061.048 9-10327.953 9-542.69700000016 9-317.652000000002 \
	9-8554.71699999995 9-1786.61599999992 9-1899.31499999994 9-2093.41899999999 \
	9-4992.62400000007 9-942.648999999976 9-1923.98300000001 9-3.7980000001844 \
	9-5.99899999983609 9-0.912000000011176 9-1603.67700000014 9-1.98300000000745 \
	9-3.96500000008382 9-0.902999999932945 9-2802.72199999983 9-1078.24799999991 \
	9-2155.82900000014 9-10.058999999892 9-1984.723 9-1687.97999999998 \
	9-1136.05300000007 9-3183.61699999985 9-458.731000000145 9-6.48600000003353 \
	9-1013.25200000009 9-8415.22799999989 9-10065.584 9-2076.79600000009 \
	9-3792.65699999989 9-71.2010000001173 9-2560.96999999997 9-2260.68400000012 \
	9-2862.65799999982 9-1255.81500000018 9-15.7440000001807 9-4.33499999996275 \
	9-1446.63800000004 9-238.635000000009 9-60.1790000000037 9-4.38800000003539 \
	9-639.567000000039 9-306.698000000091 9-31.4070000001229 9-74.997999999905 \
	9-632.725999999791 9-1625.93200000003 9-931.266000000061 9-98.7749999999069 \
	9-984.606999999844 9-225.638999999966 9-421.316000000108 9-653.744999999879 \
	9-572.804000000004 9-769.158999999985 9-603.918000000063 9-4.28499999991618 \
	9-626.21399999992 9-1721.25 9-0.854999999981374 9-572.39599999995 \
	9-681.881999999983 9-1345.12599999993 9-363.666999999899 9-3823.31099999999 \
	9-2991.28200000012 9-4.27099999994971 9-309.76500000013 9-3068.35700000008 \
	9-788.25 9-3515.73999999999 9-2065.96100000013 9-286.719999999972 \
	9-316.076000000117 9-344.151000000071 9-2.51000000000931 9-306.688000000082 \
	9-1515.00099999993 9-336.528999999864 9-793.491999999853 9-457.348999999929 \
	9-13620.155 9-119.933999999892 9-35.0670000000391 9-918.266999999993 \
	9-828.569000000134 9-4863.81099999999 9-105.222000000067 9-894.23900000006 \
	9-110.964999999851 9-0.662999999942258 9-12753.3150000002 9-12.6129999998957 \
	9-13368.0899999999 9-12.4199999999255 9-1.00300000002608 9-1.41100000008009 \
	9-10300.5290000001 9-16.502000000095 9-30.7949999999255 9-6283.0140000002 \
	9-4320.53799999994 9-6826.27300000004 9-3.07299999985844 9-1497.26799999992 \
	9-13.4040000000969 9-3.12999999988824 9-3.86100000003353 9-11.3539999998175 \
	9-0.10799999977462 9-21.780999999959 9-209.695999999996 9-299.647000000114 \
	9-6.01699999999255 9-20.8349999999627 9-22.5470000000205 9-5470.16800000006 \
	9-7.60499999998137 9-0.821000000229105 9-1.56600000010803 9-14.1669999998994 \
	9-0.209000000031665 9-1.82300000009127 9-1.70000000018626 9-19.9429999999702 \
	9-124.266999999993 9-0.0389999998733401 9-6.71400000015274 9-16.7710000001825 \
	9-31.0409999999683 9-0.516999999992549 9-115.888000000035 9-5.19900000002235 \
	9-222.389999999898 9-11.2739999999758 9-80.9050000000279 9-8.14500000001863 \
	9-4.44599999999627 9-0.218999999808148 9-0.715000000083819 9-0.233000000007451
\
	9-48.2630000000354 9-248.560999999987 9-374.96800000011 9-644.179000000004 \
	9-0.835999999893829 9-79.0060000000522 9-128.447999999858 9-0.692000000039116 \
	9-5.26500000013039 9-128.449000000022 9-2.04799999995157 9-12.0990000001621 \
	9-8.39899999997579 9-10.3860000001732 9-11.9310000000987 9-53.4450000000652 \
	9-0.46999999997206 9-2.96299999998882 9-17.9699999999721 9-0.776000000070781 \
	9-25.2919999998994 9-33.1110000000335 9-0.434000000124797 9-0.641000000061467 \
	9-0.505000000121072 9-1.12800000002608 9-149.222000000067 9-1.17599999997765 \
	9-3247.33100000001 9-10.7439999999478 9-153.523000000045 9-1.38300000014715 \
	9-794.762000000104 9-3.36199999996461 9-128.765999999829 9-181.543999999994 \
	9-78149.8229999999 9-176.496999999974 9-89.9940000001807 9-9.12700000009499 \
	9-250.827000000048 9-0.224999999860302 9-0.388999999966472 9-1.16700000036508 \
	9-32.1740000001155 9-12.6800000001676 9-0.0720000001601875 9-0.274999999906868
\
	9-0.724000000394881 9-266.866000000387 9-45.5709999999963 9-4.54399999976158 \
	9-8.27199999988079 9-4.38099999958649 9-0.512000000104308 9-0.0640000002458692
\
	9-5.20000000018626 9-0.0839999997988343 9-12.816000000108 9-0.503000000026077 \
	9-0.507999999914318 9-6.23999999975786 9-3.35100000025705 9-18.8530000001192 \
	9-25.2220000000671 9-68.2309999996796 9-98.9939999999478 9-0.441000000108033 \
	9-4.24599999981001 9-261.702000000048 9-3.01599999982864 9-0.0749999997206032 \
	9-0.0370000000111759 9-4.375 9-3.21800000034273 9-11.3960000001825 \
	9-0.0540000000037253 9-0.286000000312924 9-0.865999999921769 \
	9-0.294999999925494 9-6.45999999996275 9-4.31099999975413 9-128.248999999836 \
	9-0.282999999821186 9-102.155000000261 9-0.0860000001266599 \
	9-0.0540000000037253 9-0.935000000055879 9-0.0670000002719462 \
	9-5.8640000000596 9-19.9860000000335 9-4.18699999991804 9-0.566000000108033 \
	9-2.55099999997765 9-0.702000000048429 9-131.653999999631 9-0.638999999966472 \
	9-14.3229999998584 9-183.398000000045 9-178.095999999903 9-3.22899999981746 \
	9-7.31399999978021 9-22.2400000002235 9-11.7979999999516 9-108.10599999968 \
	9-99.0159999998286 9-102.640999999829 9-38.414000000339
Process                  Direct     Wokeup      Pages      Pages    Pages
details                   Rclms     Kswapd    Scanned    Sync-IO ASync-IO
cc1-30800                     0          1          0          0        0      wakeup-0=1
cc1-24260                     0          1          0          0        0      wakeup-0=1
cc1-24152                     0         12          0          0        0      wakeup-0=12
cc1-8139                      0          1          0          0        0      wakeup-0=1
cc1-4390                      0          1          0          0        0      wakeup-0=1
cc1-4648                      0          7          0          0        0      wakeup-0=7
cc1-4552                      0          3          0          0        0      wakeup-0=3
dd-4550                       0         31          0          0        0      wakeup-0=31
date-4898                     0          1          0          0        0      wakeup-0=1
cc1-6549                      0          7          0          0        0      wakeup-0=7
as-22202                      0         17          0          0        0      wakeup-0=17
cc1-6495                      0          9          0          0        0      wakeup-0=9
cc1-8299                      0          1          0          0        0      wakeup-0=1
cc1-6009                      0          1          0          0        0      wakeup-0=1
cc1-2574                      0          2          0          0        0      wakeup-0=2
cc1-30568                     0          1          0          0        0      wakeup-0=1
cc1-2679                      0          6          0          0        0      wakeup-0=6
sh-13747                      0         12          0          0        0      wakeup-0=12
cc1-22193                     0         18          0          0        0      wakeup-0=18
cc1-30725                     0          2          0          0        0      wakeup-0=2
as-4392                       0          2          0          0        0      wakeup-0=2
cc1-28180                     0         14          0          0        0      wakeup-0=14
cc1-13697                     0          2          0          0        0      wakeup-0=2
cc1-22207                     0          8          0          0        0      wakeup-0=8
cc1-15270                     0        179          0          0        0      wakeup-0=179
cc1-22011                     0         82          0          0        0      wakeup-0=82
cp-14682                      0          1          0          0        0      wakeup-0=1
as-11926                      0          2          0          0        0      wakeup-0=2
cc1-6016                      0          5          0          0        0      wakeup-0=5
make-18554                    0         13          0          0        0      wakeup-0=13
cc1-8292                      0         12          0          0        0      wakeup-0=12
make-24381                    0          1          0          0        0      wakeup-1=1
date-18681                    0         33          0          0        0      wakeup-0=33
cc1-32276                     0          1          0          0        0      wakeup-0=1
timestamp-outpu-2809          0        253          0          0        0      wakeup-0=240 wakeup-1=13
date-18624                    0          7          0          0        0      wakeup-0=7
cc1-30960                     0          9          0          0        0      wakeup-0=9
cc1-4014                      0          1          0          0        0      wakeup-0=1
cc1-30706                     0         22          0          0        0      wakeup-0=22
uname-3942                    4          1        306          0       17      direct-9=4       wakeup-9=1
cc1-28207                     0          1          0          0        0      wakeup-0=1
cc1-30563                     0          9          0          0        0      wakeup-0=9
cc1-22214                     0         10          0          0        0      wakeup-0=10
cc1-28221                     0         11          0          0        0      wakeup-0=11
cc1-28123                     0          6          0          0        0      wakeup-0=6
kswapd0-311                   0          7     357302          0    34233      wakeup-0=7
cc1-5988                      0          7          0          0        0      wakeup-0=7
as-30734                      0        161          0          0        0      wakeup-0=161
cc1-22004                     0         45          0          0        0      wakeup-0=45
date-4590                     0          4          0          0        0      wakeup-0=4
cc1-15279                     0        213          0          0        0      wakeup-0=213
date-30735                    0          1          0          0        0      wakeup-0=1
cc1-30583                     0          4          0          0        0      wakeup-0=4
cc1-32324                     0          2          0          0        0      wakeup-0=2
cc1-23933                     0          3          0          0        0      wakeup-0=3
cc1-22001                     0         36          0          0        0      wakeup-0=36
bench-stresshig-3942        287        287      80186       6295    12196      direct-9=287       wakeup-9=287
cc1-28170                     0          7          0          0        0      wakeup-0=7
date-7932                     0         92          0          0        0      wakeup-0=92
cc1-22222                     0          6          0          0        0      wakeup-0=6
cc1-32334                     0         16          0          0        0      wakeup-0=16
cc1-2690                      0          6          0          0        0      wakeup-0=6
cc1-30733                     0          9          0          0        0      wakeup-0=9
cc1-32298                     0          2          0          0        0      wakeup-0=2
cc1-13743                     0         18          0          0        0      wakeup-0=18
cc1-22186                     0          4          0          0        0      wakeup-0=4
cc1-28214                     0         11          0          0        0      wakeup-0=11
cc1-13735                     0          1          0          0        0      wakeup-0=1
updatedb-8173                 0         18          0          0        0      wakeup-0=18
cc1-13750                     0          3          0          0        0      wakeup-0=3
cat-2808                      0          2          0          0        0      wakeup-0=2
cc1-15277                     0        169          0          0        0      wakeup-0=169
date-18317                    0          1          0          0        0      wakeup-0=1
cc1-15274                     0        197          0          0        0      wakeup-0=197
cc1-30732                     0          1          0          0        0      wakeup-0=1

Kswapd                   Kswapd      Order      Pages      Pages    Pages
Instance                Wakeups  Re-wakeup    Scanned    Sync-IO ASync-IO
kswapd0-311                  91         24     357302          0    34233      wake-0=31 wake-1=1 wake-9=59       rewake-0=10 rewake-1=1 rewake-9=13

Summary
Direct reclaims:     		291
Direct reclaim pages scanned:	437794
Direct reclaim write sync I/O:	6295
Direct reclaim write async I/O:	46446
Wake kswapd requests:		2152
Time stalled direct reclaim: 	519.163009000002 ms

Kswapd wakeups:			91
Kswapd pages scanned:		357302
Kswapd reclaim write sync I/O:	0
Kswapd reclaim write async I/O:	34233
Time kswapd awake:		5282.749757 ms

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Larry Woodman <lwoodman@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michael Rubin <mrubin@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-09 20:45:00 -07:00
David Rientjes
ad915c432e oom: enable oom tasklist dump by default
The oom killer tasklist dump, enabled with the oom_dump_tasks sysctl, is
very helpful information in diagnosing why a user's task has been killed.
It emits useful information such as each eligible thread's memory usage
that can determine why the system is oom, so it should be enabled by
default.

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-09 20:44:56 -07:00
Linus Torvalds
2d53056973 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (82 commits)
  firewire: core: add forgotten dummy driver methods, remove unused ones
  firewire: add isochronous multichannel reception
  firewire: core: small clarifications in core-cdev
  firewire: core: remove unused code
  firewire: ohci: release channel in error path
  firewire: ohci: use memory barriers to order descriptor updates
  tools/firewire: nosy-dump: increment program version
  tools/firewire: nosy-dump: remove unused code
  tools/firewire: nosy-dump: use linux/firewire-constants.h
  tools/firewire: nosy-dump: break up a deeply nested function
  tools/firewire: nosy-dump: make some symbols static or const
  tools/firewire: nosy-dump: change to kernel coding style
  tools/firewire: nosy-dump: work around segfault in decode_fcp
  tools/firewire: nosy-dump: fix it on x86-64
  tools/firewire: add userspace front-end of nosy
  firewire: nosy: note ioctls in ioctl-number.txt
  firewire: nosy: use generic printk macros
  firewire: nosy: endianess fixes and annotations
  firewire: nosy: annotate __user pointers and __iomem pointers
  firewire: nosy: fix device shutdown with active client
  ...
2010-08-07 17:09:24 -07:00
Linus Torvalds
faa38b5e0e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (214 commits)
  ALSA: hda - Add pin-fix for HP dc5750
  ALSA: als4000: Fix potentially invalid DMA mode setup
  ALSA: als4000: enable burst mode
  ALSA: hda - Fix initial capsrc selection in patch_alc269()
  ASoC: TWL4030: Capture route runtime DAPM ordering fix
  ALSA: hda - Add PC-beep whitelist for an Intel board
  ALSA: hda - More relax for pending period handling
  ALSA: hda - Define AC_FMT_* constants
  ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs
  ALSA: hda - Add support for HDMI HBR passthrough
  ALSA: hda - Set Stream Type in Stream Format according to AES0
  ALSA: hda - Fix Thinkpad X300 so SPDIF is not exposed
  ALSA: hda - FIX to not expose SPDIF on Thinkpad X301, since it does not have the ability to use SPDIF
  ASoC: wm9081: fix resource reclaim in wm9081_register error path
  ASoC: wm8978: fix a memory leak if a wm8978_register fail
  ASoC: wm8974: fix a memory leak if another WM8974 is registered
  ASoC: wm8961: fix resource reclaim in wm8961_register error path
  ASoC: wm8955: fix resource reclaim in wm8955_register error path
  ASoC: wm8940: fix a memory leak if wm8940_register return error
  ASoC: wm8904: fix resource reclaim in wm8904_register error path
  ...
2010-08-07 17:07:31 -07:00
Linus Torvalds
a57f9a3e81 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (45 commits)
  nilfs2: reject filesystem with unsupported block size
  nilfs2: avoid rec_len overflow with 64KB block size
  nilfs2: simplify nilfs_get_page function
  nilfs2: reject incompatible filesystem
  nilfs2: add feature set fields to super block
  nilfs2: clarify byte offset in super block format
  nilfs2: apply read-ahead for nilfs_btree_lookup_contig
  nilfs2: introduce check flag to btree node buffer
  nilfs2: add btree get block function with readahead option
  nilfs2: add read ahead mode to nilfs_btnode_submit_block
  nilfs2: fix buffer head leak in nilfs_btnode_submit_block
  nilfs2: eliminate inline keywords in btree implementation
  nilfs2: get maximum number of child nodes from bmap object
  nilfs2: reduce repetitive calculation of max number of child nodes
  nilfs2: optimize calculation of min/max number of btree node children
  nilfs2: remove redundant pointer checks in bmap lookup functions
  nilfs2: get rid of nilfs_bmap_union
  nilfs2: unify bmap set_target_v operations
  nilfs2: get rid of nilfs_btree uses
  nilfs2: get rid of nilfs_direct uses
  ...
2010-08-07 13:10:55 -07:00
Linus Torvalds
1fc7995d19 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [DNS RESOLVER] Minor typo correction
  DNS: Fixes for the DNS query module
  cifs: Include linux/err.h for IS_ERR and PTR_ERR
  DNS: Make AFS go to the DNS for AFSDB records for unknown cells
  DNS: Separate out CIFS DNS Resolver code
  cifs: account for new creduid=0x%x parameter in spnego upcall string
  cifs: reduce false positives with inode aliasing serverino autodisable
  CIFS: Make cifs_convert_address() take a const src pointer and a length
  cifs: show features compiled in as part of DebugData
  cifs: update README

Fix up trivial conflicts in fs/cifs/cifsfs.c due to workqueue changes
2010-08-07 12:54:46 -07:00
Linus Torvalds
3b7433b8a8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (55 commits)
  workqueue: mark init_workqueues() as early_initcall()
  workqueue: explain for_each_*cwq_cpu() iterators
  fscache: fix build on !CONFIG_SYSCTL
  slow-work: kill it
  gfs2: use workqueue instead of slow-work
  drm: use workqueue instead of slow-work
  cifs: use workqueue instead of slow-work
  fscache: drop references to slow-work
  fscache: convert operation to use workqueue instead of slow-work
  fscache: convert object to use workqueue instead of slow-work
  workqueue: fix how cpu number is stored in work->data
  workqueue: fix mayday_mask handling on UP
  workqueue: fix build problem on !CONFIG_SMP
  workqueue: fix locking in retry path of maybe_create_worker()
  async: use workqueue for worker pool
  workqueue: remove WQ_SINGLE_CPU and use WQ_UNBOUND instead
  workqueue: implement unbound workqueue
  workqueue: prepare for WQ_UNBOUND implementation
  libata: take advantage of cmwq and remove concurrency limitations
  workqueue: fix worker management invocation without pending works
  ...

Fixed up conflicts in fs/cifs/* as per Tejun. Other trivial conflicts in
include/linux/workqueue.h, kernel/trace/Kconfig and kernel/workqueue.c
2010-08-07 12:42:58 -07:00
Linus Torvalds
3cf8ad3394 Merge branch 'x86-olpc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-olpc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, olpc: Constify an olpc_ofw() arg
  x86, olpc: Use pr_debug() for EC commands
  x86, olpc: Add comment about implicit optimization barrier
  x86, olpc: Add support for calling into OpenFirmware
2010-08-06 16:24:34 -07:00
Linus Torvalds
b62ad9ab18 Merge branch 'timers-timekeeping-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-timekeeping-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  um: Fix read_persistent_clock fallout
  kgdb: Do not access xtime directly
  powerpc: Clean up obsolete code relating to decrementer and timebase
  powerpc: Rework VDSO gettimeofday to prevent time going backwards
  clocksource: Add __clocksource_updatefreq_hz/khz methods
  x86: Convert common clocksources to use clocksource_register_hz/khz
  timekeeping: Make xtime and wall_to_monotonic static
  hrtimer: Cleanup direct access to wall_to_monotonic
  um: Convert to use read_persistent_clock
  timkeeping: Fix update_vsyscall to provide wall_to_monotonic offset
  powerpc: Cleanup xtime usage
  powerpc: Simplify update_vsyscall
  time: Kill off CONFIG_GENERIC_TIME
  time: Implement timespec_add
  x86: Fix vtime/file timestamp inconsistencies

Trivial conflicts in Documentation/feature-removal-schedule.txt

Much less trivial conflicts in arch/powerpc/kernel/time.c resolved as
per Thomas' earlier merge commit 47916be4e2 ("Merge branch
'powerpc.cherry-picks' into timers/clocksource")
2010-08-06 13:18:29 -07:00
Linus Torvalds
af39008435 Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  Documentation: Add timers/timers-howto.txt
  timer: Added usleep_range timer
  Revert "timer: Added usleep[_range] timer"
  clockevents: Remove the per cpu tick skew
  posix_timer: Move copy_to_user(created_timer_id) down in timer_create()
  timer: Added usleep[_range] timer
  timers: Document meaning of deferrable timer
2010-08-06 13:12:36 -07:00
Linus Torvalds
1685e633b3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
  pcmcia: avoid buffer overflow in pcmcia_setup_isa_irq
  pcmcia: do not request windows if you don't need to
  pcmcia: insert PCMCIA device resources into resource tree
  pcmcia: export resource information to sysfs
  pcmcia: use struct resource for PCMCIA devices, part 2
  pcmcia: remove memreq_t
  pcmcia: move local definitions out of include/pcmcia/cs.h
  pcmcia: do not use io_req_t when calling pcmcia_request_io()
  pcmcia: do not use io_req_t after call to pcmcia_request_io()
  pcmcia: use struct resource for PCMCIA devices
  pcmcia: clean up cs.h
  pcmcia: use pcmica_{read,write}_config_byte
  pcmcia: remove cs_types.h
  pcmcia: remove unused flag, simplify headers
  pcmcia: remove obsolete CS_EVENT_ definitions
  pcmcia: split up central event handler
  pcmcia: simplify event callback
  pcmcia: remove obsolete ioctl

Conflicts in:
 - drivers/staging/comedi/drivers/*
 - drivers/staging/wlags49_h2/wl_cs.c
due to dev_info_t and whitespace changes
2010-08-06 12:25:06 -07:00
Linus Torvalds
1cfd2bda8c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (30 commits)
  PCI: update for owner removal from struct device_attribute
  PCI: Fix warnings when CONFIG_DMI unset
  PCI: Do not run NVidia quirks related to MSI with MSI disabled
  x86/PCI: use for_each_pci_dev()
  PCI: use for_each_pci_dev()
  PCI: MSI: Restore read_msi_msg_desc(); add get_cached_msi_msg_desc()
  PCI: export SMBIOS provided firmware instance and label to sysfs
  PCI: Allow read/write access to sysfs I/O port resources
  x86/PCI: use host bridge _CRS info on ASRock ALiveSATA2-GLAN
  PCI: remove unused HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_{SIZE|BOUNDARY}
  PCI: disable mmio during bar sizing
  PCI: MSI: Remove unsafe and unnecessary hardware access
  PCI: Default PCIe ASPM control to on and require !EMBEDDED to disable
  PCI: kernel oops on access to pci proc file while hot-removal
  PCI: pci-sysfs: remove casts from void*
  ACPI: Disable ASPM if the platform won't provide _OSC control for PCIe
  PCI hotplug: make sure child bridges are enabled at hotplug time
  PCI hotplug: shpchp: Removed check for hotplug of display devices
  PCI hotplug: pciehp: Fixed return value sign for pciehp_unconfigure_device
  PCI: Don't enable aspm before drivers have had a chance to veto it
  ...
2010-08-06 11:44:36 -07:00
Linus Torvalds
ab69bcd66f Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (28 commits)
  driver core: device_rename's new_name can be const
  sysfs: Remove owner field from sysfs struct attribute
  powerpc/pci: Remove owner field from attribute initialization in PCI bridge init
  regulator: Remove owner field from attribute initialization in regulator core driver
  leds: Remove owner field from attribute initialization in bd2802 driver
  scsi: Remove owner field from attribute initialization in ARCMSR driver
  scsi: Remove owner field from attribute initialization in LPFC driver
  cgroupfs: create /sys/fs/cgroup to mount cgroupfs on
  Driver core: Add BUS_NOTIFY_BIND_DRIVER
  driver core: fix memory leak on one error path in bus_register()
  debugfs: no longer needs to depend on SYSFS
  sysfs: Fix one more signature discrepancy between sysfs implementation and docs.
  sysfs: fix discrepancies between implementation and documentation
  dcdbas: remove a redundant smi_data_buf_free in dcdbas_exit
  dmi-id: fix a memory leak in dmi_id_init error path
  sysfs: sysfs_chmod_file's attr can be const
  firmware: Update hotplug script
  Driver core: move platform device creation helpers to .init.text (if MODULE=n)
  Driver core: reduce duplicated code for platform_device creation
  Driver core: use kmemdup in platform_device_add_resources
  ...
2010-08-06 11:36:30 -07:00
Linus Torvalds
a5e11599da Merge branch 'x86-hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, hwmon: Package Level Thermal/Power: pkgtemp documentation
  x86, hwmon: Package Level Thermal/Power: power limit
  x86, hwmon: Package Level Thermal/Power: thermal throttling handler
  x86, hwmon: Package Level Thermal/Power: pkgtemp hwmon driver
2010-08-06 10:02:58 -07:00
Linus Torvalds
4aed2fd8e3 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits)
  tracing/kprobes: unregister_trace_probe needs to be called under mutex
  perf: expose event__process function
  perf events: Fix mmap offset determination
  perf, powerpc: fsl_emb: Restore setting perf_sample_data.period
  perf, powerpc: Convert the FSL driver to use local64_t
  perf tools: Don't keep unreferenced maps when unmaps are detected
  perf session: Invalidate last_match when removing threads from rb_tree
  perf session: Free the ref_reloc_sym memory at the right place
  x86,mmiotrace: Add support for tracing STOS instruction
  perf, sched migration: Librarize task states and event headers helpers
  perf, sched migration: Librarize the GUI class
  perf, sched migration: Make the GUI class client agnostic
  perf, sched migration: Make it vertically scrollable
  perf, sched migration: Parameterize cpu height and spacing
  perf, sched migration: Fix key bindings
  perf, sched migration: Ignore unhandled task states
  perf, sched migration: Handle ignored migrate out events
  perf: New migration tool overview
  tracing: Drop cpparg() macro
  perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call
  ...

Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
2010-08-06 09:30:52 -07:00
David Howells
ff9517a687 DNS: Fixes for the DNS query module
Fixes for the DNS query module, including:

 (1) Use 'negative' instead of '-ve' in the documentation.

 (2) Mark the kdoc comment with '/**' on dns_query().

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-06 02:26:27 +00:00
Linus Torvalds
9779714c8a Merge branch 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'kms-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
  kgdb,docs: Update the kgdb docs to include kms
  drm_fb_helper: Preserve capability to use atomic kms
  i915: when kgdb is active display compression should be off
  drm/i915: use new fb debug hooks
  drm: add KGDB/KDB support
  fb: add hooks to handle KDB enter/exit
  kgdboc: Add call backs to allow kernel mode switching
  vt,console,kdb: automatically set kdb LINES variable
  vt,console,kdb: implement atomic console enter/leave functions
2010-08-05 16:00:44 -07:00
Linus Torvalds
f43100ae39 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  scripts/dtc: Fix a resource leak
  Documentation: fix ubuntu distro name
  MAINTAINERS: Update kbuild git URLs
  Add support for the C variable in the coccicheck script
  Add scripts/coccinelle/deref_null.cocci
  Add scripts/coccinelle/err_cast.cocci
  Add scripts/coccinelle/resource_size.cocci
  Add scripts/coccinelle/alloc/kzalloc-simple.cocci
  Add scripts/coccinelle/alloc/drop_kmalloc_cast.cocci
  Add Documentation/coccinelle.txt
  Add a target to use the Coccinelle checker
  scripts: decodecode: remove bashisms
  Makefile: clarify a comment
  checkkconfigsymbols.sh: Kconfig symbols sometimes have lowercase letters
  scripts: add nconf into gitignore file
2010-08-05 14:20:14 -07:00
Linus Torvalds
e4d6152b52 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (26 commits)
  kconfig: add savedefconfig
  kconfig: code refactoring in confdata.c
  kconfig: refactor code in symbol.c
  kconfig: add alldefconfig
  kconfig: print more info when we see a recursive dependency
  kconfig: save location of config symbols
  kconfig: change nonint_oldconfig to listnewconfig
  kconfig: rename loose_nonint_oldconfig => oldnoconfig
  kconfig: use long options in conf
  kconfig: fix MODULES-related bug in case of no .config
  kconfig: make randconfig fair for booleans
  kconfig: Don't write invisible choice values
  kbuild: Warn on selecting symbols with unmet direct dependencies
  scripts:conf.c Fix warning: variable 'type' set but not used
  menuconfig: truncate list items
  menuconfig: fix to center checklist correctly in a corner case
  xconfig: add support to show hidden options which have prompts
  xconfig: remove unused function
  xconfig: clean up
  gconfig: fix null pointer warning
  ...
2010-08-05 14:12:07 -07:00
Linus Torvalds
da9e82b3b8 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  modpost: support objects with more than 64k sections
  trivial: fix a typo in a filename
  frv: clean up arch/frv/Makefile
  kbuild: allow assignment to {A,C}FLAGS_KERNEL on the command line
  kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
  Kbuild: Add option to set -femit-struct-debug-baseonly
  Makefile: "make kernelrelease" should show the correct full kernel version
  Makefile.build: make KBUILD_SYMTYPES work again
2010-08-05 14:10:07 -07:00
Ira Weiny
a530703271 sysfs: Fix one more signature discrepancy between sysfs implementation and docs.
Signed-off-by: Ira Weiny <weiny2@llnl.gov>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-05 13:53:34 -07:00
Bart Van Assche
30a69000a4 sysfs: fix discrepancies between implementation and documentation
Fix all discrepancies I know of between the sysfs implementation and its
documentation.

Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-05 13:53:34 -07:00
Magnus Damm
3317fad5e9 firmware: Update hotplug script
Update the in-kernel hotplug example script to work
properly with recent kernels. Without this fix the
script may load the firmware twice - both at "add"
and "remove" time.

The second load only triggers in the case when multiple
firmware images are used. A good example is the b43
driver which does not work properly without this fix.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-05 13:53:34 -07:00
Uwe Kleine-König
44f28bdea0 Driver core: reduce duplicated code for platform_device creation
This makes the two similar functions platform_device_register_simple
and platform_device_register_data one line inline functions using a new
generic function platform_device_register_resndata.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-05 13:53:34 -07:00
Linus Torvalds
db7a1535d2 Merge branch 'upstream/xen' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/xen' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: (23 commits)
  xen/panic: use xen_reboot and fix smp_send_stop
  Xen: register panic notifier to take crashes of xen guests on panic
  xen: support large numbers of CPUs with vcpu info placement
  xen: drop xen_sched_clock in favour of using plain wallclock time
  pvops: do not notify callers from register_xenstore_notifier
  Introduce CONFIG_XEN_PVHVM compile option
  blkfront: do not create a PV cdrom device if xen_hvm_guest
  support multiple .discard.* sections to avoid section type conflicts
  xen/pvhvm: fix build problem when !CONFIG_XEN
  xenfs: enable for HVM domains too
  x86: Call HVMOP_pagetable_dying on exit_mmap.
  x86: Unplug emulated disks and nics.
  x86: Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock.
  implement O_NONBLOCK for /proc/xen/xenbus
  xen: Fix find_unbound_irq in presence of ioapic irqs.
  xen: Add suspend/resume support for PV on HVM guests.
  xen: Xen PCI platform device driver.
  x86/xen: event channels delivery on HVM.
  x86: early PV on HVM features initialization.
  xen: Add support for HVM hypercalls.
  ...
2010-08-05 13:45:50 -07:00
Johannes Berg
ab265d5cdd docbook: use IDs as filenames to support multiple books
I'm trying to generate a <set> of <book>s in docbook for wireless to
link together all the cfg80211 and mac80211 documentation.

However, docbook will generate "re01.html" anew for each book for the
first <refentry>, presumably due to a bug in the stylesheets.

An effective workaround is to use IDs for the filenames, which makes
them more descriptive as well, e.g.  API-enum-ieee80211-band.html.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:24 -07:00
Nicolas Kaiser
c95940f264 Documentation: fix kbuild typos and wording
Fixed some typos and wording.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:24 -07:00
Matt Mooney
eb07e1b4ac Documentation: update kbuild make typos/grammar/text flow
Update section 3.7 examples to reflect the current state of the
Makefiles used. Fix spelling and grammar errors along with flow of text.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:24 -07:00
Matt Mooney
2f5a2f8184 Documentation: update kbuild make examples#2 to reflect changes
Update section 3.2 and 3.5 example, along with text in section 3.5
to reflect change.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:23 -07:00
Matt Mooney
4f82728027 Documentation: update kbuild loadable modules goals & examples
Update section 3.3 Loadable module goals - obj-m, from $(<module_name>-objs)
to $(<module_name>-y) for easier addition of conditional objects to the
module. The examples are also updated to reflect the current state of
each Makefile used.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:23 -07:00
Tommi Rantala
c7825cfac6 Documentation/vm: fix spelling in page-types.c
Trivial typo fixes.

Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 13:21:23 -07:00
Wang Lei
1a4240f476 DNS: Separate out CIFS DNS Resolver code
Separate out the DNS resolver key type from the CIFS filesystem into its own
module so that it can be made available for general use, including the AFS
filesystem module.

This facility makes it possible for the kernel to upcall to userspace to have
it issue DNS requests, package up the replies and present them to the kernel
in a useful form.  The kernel is then able to cache the DNS replies as keys
can be retained in keyrings.

Resolver keys are of type "dns_resolver" and have a case-insensitive
description that is of the form "[<type>:]<domain_name>".  The optional <type>
indicates the particular DNS lookup and packaging that's required.  The
<domain_name> is the query to be made.

If <type> isn't given, a basic hostname to IP address lookup is made, and the
result is stored in the key in the form of a printable string consisting of a
comma-separated list of IPv4 and IPv6 addresses.

This key type is supported by userspace helpers driven from /sbin/request-key
and configured through /etc/request-key.conf.  The cifs.upcall utility is
invoked for UNC path server name to IP address resolution.

The CIFS functionality is encapsulated by the dns_resolve_unc_to_ip() function,
which is used to resolve a UNC path to an IP address for CIFS filesystem.  This
part remains in the CIFS module for now.

See the added Documentation/networking/dns_resolver.txt for more information.

Signed-off-by: Wang Lei <wang840925@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-08-05 17:17:51 +00:00
Linus Torvalds
cdd854bc42 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
  powerpc/8xx: Add support for the MPC8xx based boards from TQC
  powerpc/85xx: Introduce support for the Freescale P1022DS reference board
  powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
  powerpc/85xx: Change deprecated binding for 85xx-based boards
  powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
  powerpc/tqm85xx: update PCI interrupt-map attribute
  powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
  powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
  powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
  powerpc/85xx: Fix booting for P1021MDS boards
  powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
  powerpc/85xx: kexec for SMP 85xx BookE systems
  powerpc/5200/i2c: improve i2c bus error recovery
  of/xilinxfb: update tft compatible versions
  powerpc/fsl-diu-fb: Support setting display mode using EDID
  powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
  powerpc/5121: shared DIU framebuffer support
  powerpc/5121: move fsl-diu-fb.h to include/linux
  powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
  powerpc/512x: add clock structure for Video-IN (VIU) unit
  ...
2010-08-05 09:03:46 -07:00
Linus Torvalds
c3d1f1746b Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (150 commits)
  MIPS: PowerTV: Separate PowerTV USB support from non-USB code
  MIPS: strip the un-needed sections of vmlinuz
  MIPS: Clean up the calculation of VMLINUZ_LOAD_ADDRESS
  MIPS: Clean up arch/mips/boot/compressed/decompress.c
  MIPS: Clean up arch/mips/boot/compressed/ld.script
  MIPS: Unify the suffix of compressed vmlinux.bin
  MIPS: PowerTV: Add Gaia platform definitions.
  MIPS: BCM47xx: Fix nvram_getenv return value.
  MIPS: Octeon: Allow more than 3.75GB of memory with PCIe
  MIPS: Clean up notify_die() usage.
  MIPS: Remove unused task_struct.trap_no field.
  Documentation: Mention that KProbes is supported on MIPS
  SAMPLES: kprobe_example: Make it print something on MIPS.
  MIPS: kprobe: Add support.
  MIPS: Add instrunction format for BREAK and SYSCALL
  MIPS: kprobes: Define regs_return_value()
  MIPS: Ritually kill stupid printk.
  MIPS: Octeon: Disallow MSI-X interrupt and fall back to MSI interrupts.
  MIPS: Octeon: Support 256 MSI on PCIe
  MIPS: Decode core number for R2 CPUs.
  ...
2010-08-05 08:53:20 -07:00
Jason Wessel
65b5ac1479 kgdb,docs: Update the kgdb docs to include kms
Update the kgdb docs to include information about kernel mode setting support.

[Randy Dunlap <rdunlap@xenotime.net>: grammatical corrections]

CC: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2010-08-05 10:53:11 -05:00
Nick Piggin
6e57559022 nick piggin: change email address
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-05 08:45:20 -07:00
David Daney
9bb4d9dfd8 Documentation: Mention that KProbes is supported on MIPS
MIPS now has KProbes support, so kprobes.txt should reflect it.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
To: ananth@in.ibm.com
To: anil.s.keshavamurthy@intel.com
To: davem@davemloft.net
To: masami.hiramatsu.pt@hitachi.com
Cc: linux-kernel@vger.kernel.org
Cc: hschauhan@nulltrace.org
Patchwork: https://patchwork.linux-mips.org/patch/1527/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-08-05 13:26:30 +01:00
Takashi Iwai
74bf40f079 Merge branch 'topic/misc' into for-linus 2010-08-05 11:17:04 +02:00
Takashi Iwai
2603798070 Merge branch 'topic/hda' into for-linus 2010-08-05 11:16:56 +02:00
Ingo Molnar
61be7fdec2 Merge branch 'perf/nmi' into perf/core
Conflicts:
	kernel/Makefile

Merge reason: Add the now complete topic, fix the conflict.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-08-05 08:45:05 +02:00
Linus Torvalds
3cfc2c42c1 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits)
  Documentation: update broken web addresses.
  fix comment typo "choosed" -> "chosen"
  hostap:hostap_hw.c Fix typo in comment
  Fix spelling contorller -> controller in comments
  Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault
  fs/Kconfig: Fix typo Userpace -> Userspace
  Removing dead MACH_U300_BS26
  drivers/infiniband: Remove unnecessary casts of private_data
  fs/ocfs2: Remove unnecessary casts of private_data
  libfc: use ARRAY_SIZE
  scsi: bfa: use ARRAY_SIZE
  drm: i915: use ARRAY_SIZE
  drm: drm_edid: use ARRAY_SIZE
  synclink: use ARRAY_SIZE
  block: cciss: use ARRAY_SIZE
  comment typo fixes: charater => character
  fix comment typos concerning "challenge"
  arm: plat-spear: fix typo in kerneldoc
  reiserfs: typo comment fix
  update email address
  ...
2010-08-04 15:31:02 -07:00
Linus Torvalds
5cf65713f8 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
  Revert "HID: add support for the Wacom Intuos 4 wireless"
  HID: fix up Kconfig entry for ACRUX driver
  HID: add ACRUX game controller force feedback support
  HID: Force input registration for "VEC footpedal"
  HID: add HID_QUIRK_HIDINPUT_FORCE
  HID: hid-input.c: indentation fixes
  HID: hiddev: use usb_find_interface, get rid of BKL
  HID: ignore digitizer usage Undefined (0x00)
  HID: Add support for Conceptronic CLLRCMCE
  HID: hid-ids.h: Whitespace fixup, align using TABs
  HID: picolcd: implement refcounting of framebuffer
  HID: picolcd: do not reallocate memory on depth change
  HID: picolcd: Add minimal palette required by fbcon on 8bpp
  HID: magicmouse: Correct parsing of large X and Y motions.
  HID: magicmouse: report last touch up
  HID: picolcd: fix deferred_io init/cleanup to fb ordering
  HID: hid-ids.h: keep vendor ids in alphabetical order
  HID: add proper support for Elecom BM084 bluetooth mouse
  HID: magicmouse: enable horizontal scrolling
  HID: magicmouse: add param for scroll speed
  ...
2010-08-04 15:23:49 -07:00
Linus Torvalds
b7c8e55db7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (39 commits)
  random: Reorder struct entropy_store to remove padding on 64bits
  padata: update API documentation
  padata: Remove padata_get_cpumask
  crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier
  crypto: pcrypt - Rename pcrypt_instance
  padata: Pass the padata cpumasks to the cpumask_change_notifier chain
  padata: Rearrange set_cpumask functions
  padata: Rename padata_alloc functions
  crypto: pcrypt - Dont calulate a callback cpu on empty callback cpumask
  padata: Check for valid cpumasks
  padata: Allocate cpumask dependend recources in any case
  padata: Fix cpu index counting
  crypto: geode_aes - Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID is used)
  pcrypt: Added sysfs interface to pcrypt
  padata: Added sysfs primitives to padata subsystem
  padata: Make two separate cpumasks
  padata: update documentation
  padata: simplify serialization mechanism
  padata: make padata_do_parallel to return zero on success
  padata: Handle empty padata cpumasks
  ...
2010-08-04 15:23:14 -07:00
Linus Torvalds
03da309867 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits)
  [SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions
  [SCSI] zfcp: Introduce experimental support for DIF/DIX
  [SCSI] zfcp: Enable data division support for FCP devices
  [SCSI] zfcp: Prevent access on uninitialized memory.
  [SCSI] zfcp: Post events through FC transport class
  [SCSI] zfcp: Cleanup QDIO attachment and improve processing.
  [SCSI] zfcp: Cleanup function parameters for sbal value.
  [SCSI] zfcp: Use correct width for timer_interval field
  [SCSI] zfcp: Remove SCSI device when removing unit
  [SCSI] zfcp: Use memdup_user and kstrdup
  [SCSI] zfcp: Fix retry after failed "open port" erp action
  [SCSI] zfcp: Fail erp after timeout
  [SCSI] zfcp: Use forced_reopen in terminate_rport_io callback
  [SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add
  [SCSI] zfcp: Do not try "forced close" when port is already closed
  [SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED
  [SCSI] sd: add support for runtime PM
  [SCSI] implement runtime Power Management
  [SCSI] convert to the new PM framework
  [SCSI] Unify SAM_ and SAM_STAT_ macros
  ...
2010-08-04 15:15:15 -07:00
Jeremy Fitzhardinge
ca50a5f390 Merge branch 'upstream/pvhvm' into upstream/xen
* upstream/pvhvm:
  Introduce CONFIG_XEN_PVHVM compile option
  blkfront: do not create a PV cdrom device if xen_hvm_guest
  support multiple .discard.* sections to avoid section type conflicts
  xen/pvhvm: fix build problem when !CONFIG_XEN
  xenfs: enable for HVM domains too
  x86: Call HVMOP_pagetable_dying on exit_mmap.
  x86: Unplug emulated disks and nics.
  x86: Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock.
  xen: Fix find_unbound_irq in presence of ioapic irqs.
  xen: Add suspend/resume support for PV on HVM guests.
  xen: Xen PCI platform device driver.
  x86/xen: event channels delivery on HVM.
  x86: early PV on HVM features initialization.
  xen: Add support for HVM hypercalls.

Conflicts:
	arch/x86/xen/enlighten.c
	arch/x86/xen/time.c
2010-08-04 14:49:16 -07:00
Linus Torvalds
6ba74014c1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1443 commits)
  phy/marvell: add 88ec048 support
  igb: Program MDICNFG register prior to PHY init
  e1000e: correct MAC-PHY interconnect register offset for 82579
  hso: Add new product ID
  can: Add driver for esd CAN-USB/2 device
  l2tp: fix export of header file for userspace
  can-raw: Fix skb_orphan_try handling
  Revert "net: remove zap_completion_queue"
  net: cleanup inclusion
  phy/marvell: add 88e1121 interface mode support
  u32: negative offset fix
  net: Fix a typo from "dev" to "ndev"
  igb: Use irq_synchronize per vector when using MSI-X
  ixgbevf: fix null pointer dereference due to filter being set for VLAN 0
  e1000e: Fix irq_synchronize in MSI-X case
  e1000e: register pm_qos request on hardware activation
  ip_fragment: fix subtracting PPPOE_SES_HLEN from mtu twice
  net: Add getsockopt support for TCP thin-streams
  cxgb4: update driver version
  cxgb4: add new PCI IDs
  ...

Manually fix up conflicts in:
 - drivers/net/e1000e/netdev.c: due to pm_qos registration
   infrastructure changes
 - drivers/net/phy/marvell.c: conflict between adding 88ec048 support
   and cleaning up the IDs
 - drivers/net/wireless/ipw2x00/ipw2100.c: trivial ipw2100_pm_qos_req
   conflict (registration change vs marking it static)
2010-08-04 11:47:58 -07:00
Linus Torvalds
f46e9913fa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  PM / Runtime: Add runtime PM statistics (v3)
  PM / Runtime: Make runtime_status attribute not debug-only (v. 2)
  PM: Do not use dynamically allocated objects in pm_wakeup_event()
  PM / Suspend: Fix ordering of calls in suspend error paths
  PM / Hibernate: Fix snapshot error code path
  PM / Hibernate: Fix hibernation_platform_enter()
  pm_qos: Get rid of the allocation in pm_qos_add_request()
  pm_qos: Reimplement using plists
  plist: Add plist_last
  PM: Make it possible to avoid races between wakeup and system sleep
  PNPACPI: Add support for remote wakeup
  PM: describe kernel policy regarding wakeup defaults (v. 2)
  PM / Hibernate: Fix typos in comments in kernel/power/swap.c
2010-08-04 11:14:36 -07:00
Linus Torvalds
8d91530c5f Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] Remove pointless printk from p4-clockmod.
  [CPUFREQ] Fix section mismatch for powernow_cpu_init in powernow-k7.c
  [CPUFREQ] Fix section mismatch for longhaul_cpu_init.
  [CPUFREQ] Fix section mismatch for longrun_cpu_init.
  [CPUFREQ] powernow-k8: Fix misleading variable naming
  [CPUFREQ] Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID is used)
  [CPUFREQ] arch/x86/kernel/cpu/cpufreq: use for_each_pci_dev()
  [CPUFREQ] fix brace coding style issue.
  [CPUFREQ] x86 cpufreq: Make trace_power_frequency cpufreq driver independent
  [CPUFREQ] acpi-cpufreq: Fix CPU_ANY CPUFREQ_{PRE,POST}CHANGE notification
  [CPUFREQ] ondemand: don't synchronize sample rate unless multiple cpus present
  [CPUFREQ] unexport (un)lock_policy_rwsem* functions
  [CPUFREQ] ondemand: Refactor frequency increase code
  [CPUFREQ] powernow-k8: On load failure, remind the user to enable support in BIOS setup
  [CPUFREQ] powernow-k8: Limit Pstate transition latency check
  [CPUFREQ] Fix PCC driver error path
  [CPUFREQ] fix double freeing in error path of pcc-cpufreq
  [CPUFREQ] pcc driver should check for pcch method before calling _OSC
  [CPUFREQ] fix memory leak in cpufreq_add_dev
  [CPUFREQ] revert "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)"

Manually fix up non-data merge conflict introduced by new calling
conventions for trace_power_start() in commit 6f4f2723d0 ("x86
cpufreq: Make trace_power_frequency cpufreq driver independent"), which
didn't update the intel_idle native hardware cpuidle driver.
2010-08-04 11:13:36 -07:00