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authorNeil Brown <neilb@notabene.brown>2008-07-07 20:11:50 -0400
committerNeil Brown <neilb@notabene.brown>2008-07-07 20:11:50 -0400
commit5b1a4bf220a8f6f2650fdfdfebfda0f22f674d97 (patch)
treea1f22225aace571661c29e59ebd024bc4619e054 /Documentation
parent1fe797e67fb07d605b82300934d0de67068a0aca (diff)
parentb7279469d66b55119784b8b9529c99c1955fe747 (diff)
Merge branch 'master' into for-next
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/accounting/taskstats-struct.txt6
-rw-r--r--Documentation/auxdisplay/cfag12864b4
-rw-r--r--Documentation/auxdisplay/cfag12864b-example.c2
-rw-r--r--Documentation/auxdisplay/ks01084
-rw-r--r--Documentation/cgroups.txt4
-rw-r--r--Documentation/controllers/devices.txt8
-rw-r--r--Documentation/cpusets.txt9
-rw-r--r--Documentation/feature-removal-schedule.txt9
-rw-r--r--Documentation/i2c/writing-clients18
-rw-r--r--Documentation/kernel-parameters.txt8
-rw-r--r--Documentation/networking/ip-sysctl.txt12
-rw-r--r--Documentation/networking/s2io.txt6
-rw-r--r--Documentation/video4linux/CARDLIST.au08282
-rw-r--r--Documentation/vm/slabinfo.c4
-rw-r--r--Documentation/vm/slub.txt2
15 files changed, 68 insertions, 30 deletions
diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt
index 8aa7529f8258..cd784f46bf8a 100644
--- a/Documentation/accounting/taskstats-struct.txt
+++ b/Documentation/accounting/taskstats-struct.txt
@@ -24,6 +24,8 @@ There are three different groups of fields in the struct taskstats:
24 24
254) Per-task and per-thread context switch count statistics 254) Per-task and per-thread context switch count statistics
26 26
275) Time accounting for SMT machines
28
27Future extension should add fields to the end of the taskstats struct, and 29Future extension should add fields to the end of the taskstats struct, and
28should not change the relative position of each field within the struct. 30should not change the relative position of each field within the struct.
29 31
@@ -164,4 +166,8 @@ struct taskstats {
164 __u64 nvcsw; /* Context voluntary switch counter */ 166 __u64 nvcsw; /* Context voluntary switch counter */
165 __u64 nivcsw; /* Context involuntary switch counter */ 167 __u64 nivcsw; /* Context involuntary switch counter */
166 168
1695) Time accounting for SMT machines
170 __u64 ac_utimescaled; /* utime scaled on frequency etc */
171 __u64 ac_stimescaled; /* stime scaled on frequency etc */
172 __u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
167} 173}
diff --git a/Documentation/auxdisplay/cfag12864b b/Documentation/auxdisplay/cfag12864b
index b714183d4125..eb7be393a510 100644
--- a/Documentation/auxdisplay/cfag12864b
+++ b/Documentation/auxdisplay/cfag12864b
@@ -3,7 +3,7 @@
3 =================================== 3 ===================================
4 4
5License: GPLv2 5License: GPLv2
6Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com> 6Author & Maintainer: Miguel Ojeda Sandonis
7Date: 2006-10-27 7Date: 2006-10-27
8 8
9 9
@@ -22,7 +22,7 @@ Date: 2006-10-27
221. DRIVER INFORMATION 221. DRIVER INFORMATION
23--------------------- 23---------------------
24 24
25This driver support one cfag12864b display at time. 25This driver supports a cfag12864b LCD.
26 26
27 27
28--------------------- 28---------------------
diff --git a/Documentation/auxdisplay/cfag12864b-example.c b/Documentation/auxdisplay/cfag12864b-example.c
index 7bfac354d4c9..2caeea5e4993 100644
--- a/Documentation/auxdisplay/cfag12864b-example.c
+++ b/Documentation/auxdisplay/cfag12864b-example.c
@@ -4,7 +4,7 @@
4 * Description: cfag12864b LCD userspace example program 4 * Description: cfag12864b LCD userspace example program
5 * License: GPLv2 5 * License: GPLv2
6 * 6 *
7 * Author: Copyright (C) Miguel Ojeda Sandonis <maxextreme@gmail.com> 7 * Author: Copyright (C) Miguel Ojeda Sandonis
8 * Date: 2006-10-31 8 * Date: 2006-10-31
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
diff --git a/Documentation/auxdisplay/ks0108 b/Documentation/auxdisplay/ks0108
index 92b03b60c613..8ddda0c8ceef 100644
--- a/Documentation/auxdisplay/ks0108
+++ b/Documentation/auxdisplay/ks0108
@@ -3,7 +3,7 @@
3 ========================================== 3 ==========================================
4 4
5License: GPLv2 5License: GPLv2
6Author & Maintainer: Miguel Ojeda Sandonis <maxextreme@gmail.com> 6Author & Maintainer: Miguel Ojeda Sandonis
7Date: 2006-10-27 7Date: 2006-10-27
8 8
9 9
@@ -21,7 +21,7 @@ Date: 2006-10-27
211. DRIVER INFORMATION 211. DRIVER INFORMATION
22--------------------- 22---------------------
23 23
24This driver support the ks0108 LCD controller. 24This driver supports the ks0108 LCD controller.
25 25
26 26
27--------------------- 27---------------------
diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt
index 824fc0274471..d9014aa0eb68 100644
--- a/Documentation/cgroups.txt
+++ b/Documentation/cgroups.txt
@@ -390,6 +390,10 @@ If you have several tasks to attach, you have to do it one after another:
390 ... 390 ...
391# /bin/echo PIDn > tasks 391# /bin/echo PIDn > tasks
392 392
393You can attach the current shell task by echoing 0:
394
395# echo 0 > tasks
396
3933. Kernel API 3973. Kernel API
394============= 398=============
395 399
diff --git a/Documentation/controllers/devices.txt b/Documentation/controllers/devices.txt
index 4dcea42432c2..7cc6e6a60672 100644
--- a/Documentation/controllers/devices.txt
+++ b/Documentation/controllers/devices.txt
@@ -13,7 +13,7 @@ either an integer or * for all. Access is a composition of r
13The root device cgroup starts with rwm to 'all'. A child device 13The root device cgroup starts with rwm to 'all'. A child device
14cgroup gets a copy of the parent. Administrators can then remove 14cgroup gets a copy of the parent. Administrators can then remove
15devices from the whitelist or add new entries. A child cgroup can 15devices from the whitelist or add new entries. A child cgroup can
16never receive a device access which is denied its parent. However 16never receive a device access which is denied by its parent. However
17when a device access is removed from a parent it will not also be 17when a device access is removed from a parent it will not also be
18removed from the child(ren). 18removed from the child(ren).
19 19
@@ -29,7 +29,11 @@ allows cgroup 1 to read and mknod the device usually known as
29 29
30 echo a > /cgroups/1/devices.deny 30 echo a > /cgroups/1/devices.deny
31 31
32will remove the default 'a *:* mrw' entry. 32will remove the default 'a *:* rwm' entry. Doing
33
34 echo a > /cgroups/1/devices.allow
35
36will add the 'a *:* rwm' entry to the whitelist.
33 37
343. Security 383. Security
35 39
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt
index 353504de3084..1f5a924d1e56 100644
--- a/Documentation/cpusets.txt
+++ b/Documentation/cpusets.txt
@@ -154,13 +154,15 @@ browsing and modifying the cpusets presently known to the kernel. No
154new system calls are added for cpusets - all support for querying and 154new system calls are added for cpusets - all support for querying and
155modifying cpusets is via this cpuset file system. 155modifying cpusets is via this cpuset file system.
156 156
157The /proc/<pid>/status file for each task has two added lines, 157The /proc/<pid>/status file for each task has four added lines,
158displaying the tasks cpus_allowed (on which CPUs it may be scheduled) 158displaying the tasks cpus_allowed (on which CPUs it may be scheduled)
159and mems_allowed (on which Memory Nodes it may obtain memory), 159and mems_allowed (on which Memory Nodes it may obtain memory),
160in the format seen in the following example: 160in the two formats seen in the following example:
161 161
162 Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff 162 Cpus_allowed: ffffffff,ffffffff,ffffffff,ffffffff
163 Cpus_allowed_list: 0-127
163 Mems_allowed: ffffffff,ffffffff 164 Mems_allowed: ffffffff,ffffffff
165 Mems_allowed_list: 0-63
164 166
165Each cpuset is represented by a directory in the cgroup file system 167Each cpuset is represented by a directory in the cgroup file system
166containing (on top of the standard cgroup files) the following 168containing (on top of the standard cgroup files) the following
@@ -544,6 +546,9 @@ otherwise initial value -1 that indicates the cpuset has no request.
544 ( 4 : search nodes in a chunk of node [on NUMA system] ) 546 ( 4 : search nodes in a chunk of node [on NUMA system] )
545 ( 5 : search system wide [on NUMA system] ) 547 ( 5 : search system wide [on NUMA system] )
546 548
549The system default is architecture dependent. The system default
550can be changed using the relax_domain_level= boot parameter.
551
547This file is per-cpuset and affect the sched domain where the cpuset 552This file is per-cpuset and affect the sched domain where the cpuset
548belongs to. Therefore if the flag 'sched_load_balance' of a cpuset 553belongs to. Therefore if the flag 'sched_load_balance' of a cpuset
549is disabled, then 'sched_relax_domain_level' have no effect since 554is disabled, then 'sched_relax_domain_level' have no effect since
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 5b3f31faed56..46ece3fba6f9 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -312,3 +312,12 @@ When: 2.6.26
312Why: Implementation became generic; users should now include 312Why: Implementation became generic; users should now include
313 linux/semaphore.h instead. 313 linux/semaphore.h instead.
314Who: Matthew Wilcox <willy@linux.intel.com> 314Who: Matthew Wilcox <willy@linux.intel.com>
315
316---------------------------
317
318What: CONFIG_THERMAL_HWMON
319When: January 2009
320Why: This option was introduced just to allow older lm-sensors userspace
321 to keep working over the upgrade to 2.6.26. At the scheduled time of
322 removal fixed lm-sensors (2.x or 3.x) should be readily available.
323Who: Rene Herman <rene.herman@gmail.com>
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index ee75cbace28d..d4cd4126d1ad 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -25,12 +25,23 @@ routines, and should be zero-initialized except for fields with data you
25provide. A client structure holds device-specific information like the 25provide. A client structure holds device-specific information like the
26driver model device node, and its I2C address. 26driver model device node, and its I2C address.
27 27
28/* iff driver uses driver model ("new style") binding model: */
29
30static struct i2c_device_id foo_idtable[] = {
31 { "foo", my_id_for_foo },
32 { "bar", my_id_for_bar },
33 { }
34};
35
36MODULE_DEVICE_TABLE(i2c, foo_idtable);
37
28static struct i2c_driver foo_driver = { 38static struct i2c_driver foo_driver = {
29 .driver = { 39 .driver = {
30 .name = "foo", 40 .name = "foo",
31 }, 41 },
32 42
33 /* iff driver uses driver model ("new style") binding model: */ 43 /* iff driver uses driver model ("new style") binding model: */
44 .id_table = foo_ids,
34 .probe = foo_probe, 45 .probe = foo_probe,
35 .remove = foo_remove, 46 .remove = foo_remove,
36 47
@@ -173,10 +184,9 @@ handle may be used during foo_probe(). If foo_probe() reports success
173(zero not a negative status code) it may save the handle and use it until 184(zero not a negative status code) it may save the handle and use it until
174foo_remove() returns. That binding model is used by most Linux drivers. 185foo_remove() returns. That binding model is used by most Linux drivers.
175 186
176Drivers match devices when i2c_client.driver_name and the driver name are 187The probe function is called when an entry in the id_table name field
177the same; this approach is used in several other busses that don't have 188matches the device's name. It is passed the entry that was matched so
178device typing support in the hardware. The driver and module name should 189the driver knows which one in the table matched.
179match, so hotplug/coldplug mechanisms will modprobe the driver.
180 190
181 191
182Device Creation (Standard driver model) 192Device Creation (Standard driver model)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e07c432c731f..b52f47d588b4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -295,7 +295,7 @@ and is between 256 and 4096 characters. It is defined in the file
295 when initialising the APIC and IO-APIC components. 295 when initialising the APIC and IO-APIC components.
296 296
297 apm= [APM] Advanced Power Management 297 apm= [APM] Advanced Power Management
298 See header of arch/i386/kernel/apm.c. 298 See header of arch/x86/kernel/apm_32.c.
299 299
300 arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards 300 arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards
301 Format: <io>,<irq>,<nodeID> 301 Format: <io>,<irq>,<nodeID>
@@ -638,7 +638,7 @@ and is between 256 and 4096 characters. It is defined in the file
638 638
639 elanfreq= [X86-32] 639 elanfreq= [X86-32]
640 See comment before function elanfreq_setup() in 640 See comment before function elanfreq_setup() in
641 arch/i386/kernel/cpu/cpufreq/elanfreq.c. 641 arch/x86/kernel/cpu/cpufreq/elanfreq.c.
642 642
643 elevator= [IOSCHED] 643 elevator= [IOSCHED]
644 Format: {"anticipatory" | "cfq" | "deadline" | "noop"} 644 Format: {"anticipatory" | "cfq" | "deadline" | "noop"}
@@ -1679,6 +1679,10 @@ and is between 256 and 4096 characters. It is defined in the file
1679 Format: <reboot_mode>[,<reboot_mode2>[,...]] 1679 Format: <reboot_mode>[,<reboot_mode2>[,...]]
1680 See arch/*/kernel/reboot.c or arch/*/kernel/process.c 1680 See arch/*/kernel/reboot.c or arch/*/kernel/process.c
1681 1681
1682 relax_domain_level=
1683 [KNL, SMP] Set scheduler's default relax_domain_level.
1684 See Documentation/cpusets.txt.
1685
1682 reserve= [KNL,BUGS] Force the kernel to ignore some iomem area 1686 reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
1683 1687
1684 reservetop= [X86-32] 1688 reservetop= [X86-32]
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 17a6e46fbd43..17f1f91af35c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -81,23 +81,23 @@ inet_peer_minttl - INTEGER
81 Minimum time-to-live of entries. Should be enough to cover fragment 81 Minimum time-to-live of entries. Should be enough to cover fragment
82 time-to-live on the reassembling side. This minimum time-to-live is 82 time-to-live on the reassembling side. This minimum time-to-live is
83 guaranteed if the pool size is less than inet_peer_threshold. 83 guaranteed if the pool size is less than inet_peer_threshold.
84 Measured in jiffies(1). 84 Measured in seconds.
85 85
86inet_peer_maxttl - INTEGER 86inet_peer_maxttl - INTEGER
87 Maximum time-to-live of entries. Unused entries will expire after 87 Maximum time-to-live of entries. Unused entries will expire after
88 this period of time if there is no memory pressure on the pool (i.e. 88 this period of time if there is no memory pressure on the pool (i.e.
89 when the number of entries in the pool is very small). 89 when the number of entries in the pool is very small).
90 Measured in jiffies(1). 90 Measured in seconds.
91 91
92inet_peer_gc_mintime - INTEGER 92inet_peer_gc_mintime - INTEGER
93 Minimum interval between garbage collection passes. This interval is 93 Minimum interval between garbage collection passes. This interval is
94 in effect under high memory pressure on the pool. 94 in effect under high memory pressure on the pool.
95 Measured in jiffies(1). 95 Measured in seconds.
96 96
97inet_peer_gc_maxtime - INTEGER 97inet_peer_gc_maxtime - INTEGER
98 Minimum interval between garbage collection passes. This interval is 98 Minimum interval between garbage collection passes. This interval is
99 in effect under low (or absent) memory pressure on the pool. 99 in effect under low (or absent) memory pressure on the pool.
100 Measured in jiffies(1). 100 Measured in seconds.
101 101
102TCP variables: 102TCP variables:
103 103
@@ -794,10 +794,6 @@ tag - INTEGER
794 Allows you to write a number, which can be used as required. 794 Allows you to write a number, which can be used as required.
795 Default value is 0. 795 Default value is 0.
796 796
797(1) Jiffie: internal timeunit for the kernel. On the i386 1/100s, on the
798Alpha 1/1024s. See the HZ define in /usr/include/asm/param.h for the exact
799value on your system.
800
801Alexey Kuznetsov. 797Alexey Kuznetsov.
802kuznet@ms2.inr.ac.ru 798kuznet@ms2.inr.ac.ru
803 799
diff --git a/Documentation/networking/s2io.txt b/Documentation/networking/s2io.txt
index 4bde53e85f3f..1e28e2ddb90a 100644
--- a/Documentation/networking/s2io.txt
+++ b/Documentation/networking/s2io.txt
@@ -83,9 +83,9 @@ Valid range: Limited by memory on system
83Default: 30 83Default: 30
84 84
85e. intr_type 85e. intr_type
86Specifies interrupt type. Possible values 1(INTA), 2(MSI), 3(MSI-X) 86Specifies interrupt type. Possible values 0(INTA), 2(MSI-X)
87Valid range: 1-3 87Valid values: 0, 2
88Default: 1 88Default: 2
89 89
905. Performance suggestions 905. Performance suggestions
91General: 91General:
diff --git a/Documentation/video4linux/CARDLIST.au0828 b/Documentation/video4linux/CARDLIST.au0828
index aaae360312e4..86d1c8e7b18f 100644
--- a/Documentation/video4linux/CARDLIST.au0828
+++ b/Documentation/video4linux/CARDLIST.au0828
@@ -1,4 +1,4 @@
1 0 -> Unknown board (au0828) 1 0 -> Unknown board (au0828)
2 1 -> Hauppauge HVR950Q (au0828) [2040:7200] 2 1 -> Hauppauge HVR950Q (au0828) [2040:7200,2040:7210,2040:7217,2040:721b,2040:721f,2040:7280,0fd9:0008]
3 2 -> Hauppauge HVR850 (au0828) [2040:7240] 3 2 -> Hauppauge HVR850 (au0828) [2040:7240]
4 3 -> DViCO FusionHDTV USB (au0828) [0fe9:d620] 4 3 -> DViCO FusionHDTV USB (au0828) [0fe9:d620]
diff --git a/Documentation/vm/slabinfo.c b/Documentation/vm/slabinfo.c
index e4230ed16ee7..df3227605d59 100644
--- a/Documentation/vm/slabinfo.c
+++ b/Documentation/vm/slabinfo.c
@@ -1,7 +1,7 @@
1/* 1/*
2 * Slabinfo: Tool to get reports about slabs 2 * Slabinfo: Tool to get reports about slabs
3 * 3 *
4 * (C) 2007 sgi, Christoph Lameter <clameter@sgi.com> 4 * (C) 2007 sgi, Christoph Lameter
5 * 5 *
6 * Compile by: 6 * Compile by:
7 * 7 *
@@ -99,7 +99,7 @@ void fatal(const char *x, ...)
99 99
100void usage(void) 100void usage(void)
101{ 101{
102 printf("slabinfo 5/7/2007. (c) 2007 sgi. clameter@sgi.com\n\n" 102 printf("slabinfo 5/7/2007. (c) 2007 sgi.\n\n"
103 "slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n" 103 "slabinfo [-ahnpvtsz] [-d debugopts] [slab-regexp]\n"
104 "-a|--aliases Show aliases\n" 104 "-a|--aliases Show aliases\n"
105 "-A|--activity Most active slabs first\n" 105 "-A|--activity Most active slabs first\n"
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt
index 7c13f22a0c9e..bb1f5c6e28b3 100644
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.txt
@@ -266,4 +266,4 @@ of other objects.
266 266
267 slub_debug=FZ,dentry 267 slub_debug=FZ,dentry
268 268
269Christoph Lameter, <clameter@sgi.com>, May 30, 2007 269Christoph Lameter, May 30, 2007