diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-at91 | 25 | ||||
| -rw-r--r-- | Documentation/DocBook/device-drivers.tmpl | 4 | ||||
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 16 | ||||
| -rw-r--r-- | Documentation/filesystems/ntfs.txt | 2 | ||||
| -rw-r--r-- | Documentation/kernel-parameters.txt | 4 | ||||
| -rw-r--r-- | Documentation/networking/bonding.txt | 83 | ||||
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 2 | ||||
| -rw-r--r-- | Documentation/scheduler/sched-stats.txt | 33 | ||||
| -rw-r--r-- | Documentation/sound/alsa/HD-Audio-Models.txt | 1 |
9 files changed, 135 insertions, 35 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-at91 b/Documentation/ABI/testing/sysfs-platform-at91 new file mode 100644 index 000000000000..4cc6a865ae66 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-at91 @@ -0,0 +1,25 @@ +What: /sys/devices/platform/at91_can/net/<iface>/mb0_id +Date: January 2011 +KernelVersion: 2.6.38 +Contact: Marc Kleine-Budde <kernel@pengutronix.de> +Description: + Value representing the can_id of mailbox 0. + + Default: 0x7ff (standard frame) + + Due to a chip bug (errata 50.2.6.3 & 50.3.5.3 in + "AT91SAM9263 Preliminary 6249H-ATARM-27-Jul-09") the + contents of mailbox 0 may be send under certain + conditions (even if disabled or in rx mode). + + The workaround in the errata suggests not to use the + mailbox and load it with an unused identifier. + + In order to use an extended can_id add the + CAN_EFF_FLAG (0x80000000U) to the can_id. Example: + + - standard id 0x7ff: + echo 0x7ff > /sys/class/net/can0/mb0_id + + - extended id 0x1fffffff: + echo 0x9fffffff > /sys/class/net/can0/mb0_id diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 35447e081736..36f63d4a0a06 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -217,8 +217,8 @@ X!Isound/sound_firmware.c <chapter id="uart16x50"> <title>16x50 UART Driver</title> !Iinclude/linux/serial_core.h -!Edrivers/serial/serial_core.c -!Edrivers/serial/8250.c +!Edrivers/tty/serial/serial_core.c +!Edrivers/tty/serial/8250.c </chapter> <chapter id="fbdev"> diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index b959659c5df4..b3f35e5f9c95 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -603,3 +603,19 @@ Why: The adm9240, w83792d and w83793 hardware monitoring drivers have Who: Jean Delvare <khali@linux-fr.org> ---------------------------- + +What: noswapaccount kernel command line parameter +When: 2.6.40 +Why: The original implementation of memsw feature enabled by + CONFIG_CGROUP_MEM_RES_CTLR_SWAP could be disabled by the noswapaccount + kernel parameter (introduced in 2.6.29-rc1). Later on, this decision + turned out to be not ideal because we cannot have the feature compiled + in and disabled by default and let only interested to enable it + (e.g. general distribution kernels might need it). Therefore we have + added swapaccount[=0|1] parameter (introduced in 2.6.37) which provides + the both possibilities. If we remove noswapaccount we will have + less command line parameters with the same functionality and we + can also cleanup the parameter handling a bit (). +Who: Michal Hocko <mhocko@suse.cz> + +---------------------------- diff --git a/Documentation/filesystems/ntfs.txt b/Documentation/filesystems/ntfs.txt index 6ef8cf3bc9a3..933bc66ccff1 100644 --- a/Documentation/filesystems/ntfs.txt +++ b/Documentation/filesystems/ntfs.txt @@ -460,6 +460,8 @@ Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog. 2.1.30: - Fix writev() (it kept writing the first segment over and over again instead of moving onto subsequent segments). + - Fix crash in ntfs_mft_record_alloc() when mapping the new extent mft + record failed. 2.1.29: - Fix a deadlock when mounting read-write. 2.1.28: diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index b72e071a3e5b..89835a4766a6 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -43,11 +43,11 @@ parameter is applicable: AVR32 AVR32 architecture is enabled. AX25 Appropriate AX.25 support is enabled. BLACKFIN Blackfin architecture is enabled. + DRM Direct Rendering Management support is enabled. + DYNAMIC_DEBUG Build in debug messages and enable them at runtime EDD BIOS Enhanced Disk Drive Services (EDD) is enabled EFI EFI Partitioning (GPT) is enabled EIDE EIDE/ATAPI support is enabled. - DRM Direct Rendering Management support is enabled. - DYNAMIC_DEBUG Build in debug messages and enable them at runtime FB The frame buffer device is enabled. GCOV GCOV profiling is enabled. HW Appropriate hardware is enabled. diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt index 5dc638791d97..25d2f4141d27 100644 --- a/Documentation/networking/bonding.txt +++ b/Documentation/networking/bonding.txt @@ -49,7 +49,8 @@ Table of Contents 3.3 Configuring Bonding Manually with Ifenslave 3.3.1 Configuring Multiple Bonds Manually 3.4 Configuring Bonding Manually via Sysfs -3.5 Overriding Configuration for Special Cases +3.5 Configuration with Interfaces Support +3.6 Overriding Configuration for Special Cases 4. Querying Bonding Configuration 4.1 Bonding Configuration @@ -161,8 +162,8 @@ onwards) do not have /usr/include/linux symbolically linked to the default kernel source include directory. SECOND IMPORTANT NOTE: - If you plan to configure bonding using sysfs, you do not need -to use ifenslave. + If you plan to configure bonding using sysfs or using the +/etc/network/interfaces file, you do not need to use ifenslave. 2. Bonding Driver Options ========================= @@ -779,22 +780,26 @@ resend_igmp You can configure bonding using either your distro's network initialization scripts, or manually using either ifenslave or the -sysfs interface. Distros generally use one of two packages for the -network initialization scripts: initscripts or sysconfig. Recent -versions of these packages have support for bonding, while older +sysfs interface. Distros generally use one of three packages for the +network initialization scripts: initscripts, sysconfig or interfaces. +Recent versions of these packages have support for bonding, while older versions do not. We will first describe the options for configuring bonding for -distros using versions of initscripts and sysconfig with full or -partial support for bonding, then provide information on enabling +distros using versions of initscripts, sysconfig and interfaces with full +or partial support for bonding, then provide information on enabling bonding without support from the network initialization scripts (i.e., older versions of initscripts or sysconfig). - If you're unsure whether your distro uses sysconfig or -initscripts, or don't know if it's new enough, have no fear. + If you're unsure whether your distro uses sysconfig, +initscripts or interfaces, or don't know if it's new enough, have no fear. Determining this is fairly straightforward. - First, issue the command: + First, look for a file called interfaces in /etc/network directory. +If this file is present in your system, then your system use interfaces. See +Configuration with Interfaces Support. + + Else, issue the command: $ rpm -qf /sbin/ifup @@ -1327,8 +1332,62 @@ echo 2000 > /sys/class/net/bond1/bonding/arp_interval echo +eth2 > /sys/class/net/bond1/bonding/slaves echo +eth3 > /sys/class/net/bond1/bonding/slaves -3.5 Overriding Configuration for Special Cases +3.5 Configuration with Interfaces Support +----------------------------------------- + + This section applies to distros which use /etc/network/interfaces file +to describe network interface configuration, most notably Debian and it's +derivatives. + + The ifup and ifdown commands on Debian don't support bonding out of +the box. The ifenslave-2.6 package should be installed to provide bonding +support. Once installed, this package will provide bond-* options to be used +into /etc/network/interfaces. + + Note that ifenslave-2.6 package will load the bonding module and use +the ifenslave command when appropriate. + +Example Configurations +---------------------- + +In /etc/network/interfaces, the following stanza will configure bond0, in +active-backup mode, with eth0 and eth1 as slaves. + +auto bond0 +iface bond0 inet dhcp + bond-slaves eth0 eth1 + bond-mode active-backup + bond-miimon 100 + bond-primary eth0 eth1 + +If the above configuration doesn't work, you might have a system using +upstart for system startup. This is most notably true for recent +Ubuntu versions. The following stanza in /etc/network/interfaces will +produce the same result on those systems. + +auto bond0 +iface bond0 inet dhcp + bond-slaves none + bond-mode active-backup + bond-miimon 100 + +auto eth0 +iface eth0 inet manual + bond-master bond0 + bond-primary eth0 eth1 + +auto eth1 +iface eth1 inet manual + bond-master bond0 + bond-primary eth0 eth1 + +For a full list of bond-* supported options in /etc/network/interfaces and some +more advanced examples tailored to you particular distros, see the files in +/usr/share/doc/ifenslave-2.6. + +3.6 Overriding Configuration for Special Cases ---------------------------------------------- + When using the bonding driver, the physical port which transmits a frame is typically selected by the bonding driver, and is not relevant to the user or system administrator. The output port is simply selected using the policies of diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index d99940dcfc44..ac3b4a726a1a 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -187,7 +187,7 @@ tcp_cookie_size - INTEGER tcp_dsack - BOOLEAN Allows TCP to send "duplicate" SACKs. -tcp_ecn - BOOLEAN +tcp_ecn - INTEGER Enable Explicit Congestion Notification (ECN) in TCP. ECN is only used when both ends of the TCP flow support it. It is useful to avoid losses due to congestion (when the bottleneck router supports diff --git a/Documentation/scheduler/sched-stats.txt b/Documentation/scheduler/sched-stats.txt index 01e69404ee5e..1cd5d51bc761 100644 --- a/Documentation/scheduler/sched-stats.txt +++ b/Documentation/scheduler/sched-stats.txt @@ -1,3 +1,7 @@ +Version 15 of schedstats dropped counters for some sched_yield: +yld_exp_empty, yld_act_empty and yld_both_empty. Otherwise, it is +identical to version 14. + Version 14 of schedstats includes support for sched_domains, which hit the mainline kernel in 2.6.20 although it is identical to the stats from version 12 which was in the kernel from 2.6.13-2.6.19 (version 13 never saw a kernel @@ -28,32 +32,25 @@ to write their own scripts, the fields are described here. CPU statistics -------------- -cpu<N> 1 2 3 4 5 6 7 8 9 10 11 12 - -NOTE: In the sched_yield() statistics, the active queue is considered empty - if it has only one process in it, since obviously the process calling - sched_yield() is that process. +cpu<N> 1 2 3 4 5 6 7 8 9 -First four fields are sched_yield() statistics: - 1) # of times both the active and the expired queue were empty - 2) # of times just the active queue was empty - 3) # of times just the expired queue was empty - 4) # of times sched_yield() was called +First field is a sched_yield() statistic: + 1) # of times sched_yield() was called Next three are schedule() statistics: - 5) # of times we switched to the expired queue and reused it - 6) # of times schedule() was called - 7) # of times schedule() left the processor idle + 2) # of times we switched to the expired queue and reused it + 3) # of times schedule() was called + 4) # of times schedule() left the processor idle Next two are try_to_wake_up() statistics: - 8) # of times try_to_wake_up() was called - 9) # of times try_to_wake_up() was called to wake up the local cpu + 5) # of times try_to_wake_up() was called + 6) # of times try_to_wake_up() was called to wake up the local cpu Next three are statistics describing scheduling latency: - 10) sum of all time spent running by tasks on this processor (in jiffies) - 11) sum of all time spent waiting to run by tasks on this processor (in + 7) sum of all time spent running by tasks on this processor (in jiffies) + 8) sum of all time spent waiting to run by tasks on this processor (in jiffies) - 12) # of timeslices run on this cpu + 9) # of timeslices run on this cpu Domain statistics diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index 16ae4300c747..0caf77e59be4 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -296,6 +296,7 @@ Conexant 5066 ============= laptop Basic Laptop config (default) hp-laptop HP laptops, e g G60 + asus Asus K52JU, Lenovo G560 dell-laptop Dell laptops dell-vostro Dell Vostro olpc-xo-1_5 OLPC XO 1.5 |