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* Merge branch 'for-next' into for-linusJiri Kosina2010-03-0819-92/+98
|\ | | | | | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| * doc: fix console doc typoThadeu Lima de Souza Cascardo2010-02-241-1/+1
| | | | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: cpuset: Update the cpuset flag fileGeunSik Lim2010-02-241-62/+65
| | | | | | | | | | | | | | | | | | | | This patch is for modifying with correct cuset flag file. We need to update current manual for cpuset. For example, before) cpus, cpu_exclusive, mems after ) cpuset.cpus, cpuset.cpu_exclusive, cpuset.mems Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: typo - Table 1-2 should refer to "status", not "statm"Mulyadi Santosa2010-02-181-1/+1
| | | | | | | | | | | | | | | | Fixes a typo in proc.txt documentation. Table 1-2 should refer to "status", not "statm" Signed-off-by: Mulyadi Santosa <mulyadi.santosa@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * tree-wide: Assorted spelling fixesDaniel Mack2010-02-0910-17/+17
| | | | | | | | | | | | | | | | | | | | | | In particular, several occurances of funny versions of 'success', 'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address', 'beginning', 'desirable', 'separate' and 'necessary' are fixed. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: capitalization and other minor fixes in pnp docThadeu Lima de Souza Cascardo2010-02-051-7/+6
| | | | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: fix Defaultd -> Defaults typo in EISA docThadeu Lima de Souza Cascardo2010-02-051-1/+1
| | | | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: update 00-INDEX for Documentation/laptops/Thadeu Lima de Souza Cascardo2010-02-051-0/+4
| | | | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: fix leve -> level typo in pm-runtime docThadeu Lima de Souza Cascardo2010-02-051-1/+1
| | | | | | | | | | Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * Fix spelling of 'platform' in comments and docStefan Weil2010-02-051-1/+1
| | | | | | | | | | | | | | | | | | Replace platfrom -> platform. This is a frequent spelling bug. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * doc: fix checking socket() in net tstamp exampleAli Gholami Rudi2010-02-041-1/+1
| | | | | | | | | | | | Signed-off-by: Ali Gholami Rudi <ali@rudi.ir> Acked-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | Merge branch 'x86-mrst-for-linus' of ↵Linus Torvalds2010-03-071-0/+6
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits) x86, mrst: Fix whitespace breakage in apb_timer.c x86, mrst: Fix APB timer per cpu clockevent x86, mrst: Remove X86_MRST dependency on PCI_IOAPIC x86, olpc: Use pci subarch init for OLPC x86, pci: Add arch_init to x86_init abstraction x86, mrst: Add Kconfig dependencies for Moorestown x86, pci: Exclude Moorestown PCI code if CONFIG_X86_MRST=n x86, numaq: Make CONFIG_X86_NUMAQ depend on CONFIG_PCI x86, pci: Add sanity check for PCI fixed bar probing x86, legacy_irq: Remove duplicate vector assigment x86, legacy_irq: Remove left over nr_legacy_irqs x86, mrst: Platform clock setup code x86, apbt: Moorestown APB system timer driver x86, mrst: Add vrtc platform data setup code x86, mrst: Add platform timer info parsing code x86, mrst: Fill in PCI functions in x86_init layer x86, mrst: Add dummy legacy pic to platform setup x86/PCI: Moorestown PCI support x86, ioapic: Add dummy ioapic functions x86, ioapic: Early enable ioapic for timer irq ... Fixed up semantic conflict of new clocksources due to commit 17622339af25 ("clocksource: add argument to resume callback").
| * | x86, apbt: Moorestown APB system timer driverJacob Pan2010-02-241-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Moorestown platform does not have PIT or HPET platform timers. Instead it has a bank of eight APB timers. The number of available timers to the os is exposed via SFI mtmr tables. All APB timer interrupts are routed via ioapic rtes and delivered as MSI. Currently, we use timer 0 and 1 for per cpu clockevent devices, timer 2 for clocksource. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> LKML-Reference: <43F901BD926A4E43B106BF17856F0755A318D2D2@orsmsx508.amr.corp.intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* | | Merge branch 'for-linus/i2c' of git://git.fluff.org/bjdooks/linuxLinus Torvalds2010-03-071-8/+22
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus/i2c' of git://git.fluff.org/bjdooks/linux: i2c: Add support for Xilinx XPS IIC Bus Interface i2c: omap: Add support for 16-bit registers i2c-pnx: fix setting start/stop condition powerpc: doc/dts-bindings: update doc of FSL I2C bindings i2c-mpc: add support for the MPC512x processors from Freescale i2c-mpc: rename "setclock" initialization functions to "setup" i2c-mpc: use __devinit[data] for initialization functions and data i2c/imx: don't add probe function to the driver struct i2c: Add support for Ux500/Nomadik I2C controller
| * | | powerpc: doc/dts-bindings: update doc of FSL I2C bindingsWolfgang Grandegger2010-03-071-8/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the MPC5121 to the list of supported devices, enhances the doc of the "clock-frequency" property and removes the obsolete "cell-index", "device_type" and "fsl-i2c" property. Furthermore an example for the MPC5121 has been added. Signed-off-by: Wolfgang Grandegger <wg@denx.de> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* | | | Merge branch 'for-linus' of ↵Linus Torvalds2010-03-071-0/+93
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | 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: Provide generic subsystem-level callbacks PM / Runtime: Document power.runtime_auto and related functions
| * | | PM: Provide generic subsystem-level callbacksRafael J. Wysocki2010-03-061-0/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are subsystems whose power management callbacks only need to invoke the callbacks provided by device drivers. Still, their system sleep PM callbacks should play well with the runtime PM callbacks, so that devices suspended at run time can be left in that state for a system sleep transition. Provide a set of generic PM callbacks for such subsystems and define convenience macros for populating dev_pm_ops structures. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| * | | PM / Runtime: Document power.runtime_auto and related functionsRafael J. Wysocki2010-03-061-0/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The power.runtime_auto device flag and the helper functions pm_runtime_allow() and pm_runtime_forbid() used to modify it are a part of the run-time power management framework and therefore they should be described in Documentation/power/runtime_pm.txt. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* | | | Merge branch 'next' of ↵Linus Torvalds2010-03-071-0/+207
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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] Fix cast warning in pcc driver. [CPUFREQ] Processor Clocking Control interface driver
| * | | | [CPUFREQ] Processor Clocking Control interface driverNaga Chumbalkar2010-01-131-0/+207
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Processor Clocking Control (PCC) is an interface between the BIOS and OSPM. Based on the server workload, OSPM can request what frequency it expects from a logical CPU, and the BIOS will achieve that frequency transparently. This patch introduces driver support for PCC. OSPM uses the PCC driver to communicate with the BIOS via the PCC interface. There is a Documentation file that provides a link to the PCC Specification, and also provides a summary of the PCC interface. Currently, certain HP ProLiant platforms implement the PCC interface. However, any platform whose BIOS implements the PCC Specification, can utilize this driver. V2 --> V1 changes (based on Dominik's suggestions): - Removed the dependency on CPU_FREQ_TABLE - "cpufreq_stats" will no longer PANIC. Actually, it will not load anymore because it is not applicable. - Removed the sanity check for target frequency in the ->target routine. NOTE: A patch to sanitize the target frequency requested by "ondemand" is needed to ensure that the target freq < policy->min. Can this driver be queued up for the 2.6.33 tree? Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Dave Jones <davej@redhat.com>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfsLinus Torvalds2010-03-062-0/+243
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs: [LogFS] Change magic number [LogFS] Remove h_version field [LogFS] Check feature flags [LogFS] Only write journal if dirty [LogFS] Fix bdev erases [LogFS] Silence gcc [LogFS] Prevent 64bit divisions in hash_index [LogFS] Plug memory leak on error paths [LogFS] Add MAINTAINERS entry [LogFS] add new flash file system Fixed up trivial conflict in lib/Kconfig, and a semantic conflict in fs/logfs/inode.c introduced by write_inode() being changed to use writeback_control' by commit a9185b41a4f84971b930c519f0c63bd450c4810d ("pass writeback_control to ->write_inode")
| * | | | | [LogFS] add new flash file systemJoern Engel2009-11-202-0/+243
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a new flash file system. See Documentation/filesystems/logfs.txt Signed-off-by: Joern Engel <joern@logfs.org>
* | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds2010-03-061-0/+44
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm raid1: fix deadlock when suspending failed device dm: eliminate some holes data structures dm ioctl: introduce flag indicating uevent was generated dm: free dm_io before bio_endio not after dm table: remove unused dm_get_device range parameters dm ioctl: only issue uevent on resume if state changed dm raid1: always return error if all legs fail dm mpath: refactor pg_init dm mpath: wait for pg_init completion when suspending dm mpath: hold io until all pg_inits completed dm mpath: avoid storing private suspended state dm: document when snapshot has finished merging dm table: remove dm_get from dm_table_get_md dm mpath: skip activate_path for failed paths dm mpath: pass struct pgpath to pg init done
| * | | | | | dm: document when snapshot has finished mergingMike Snitzer2010-03-061-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update Documentation/device-mapper/snapshot.txt to cover "How to determine when a snapshot has finished merging". Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
* | | | | | | Merge branch 'hwmon-for-linus' of ↵Linus Torvalds2010-03-066-95/+398
|\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: (23 commits) hwmon: Remove the deprecated adt7473 driver hwmon: Fix off-by-one kind values hwmon: (tmp421) Fix temperature conversions hwmon: (tmp421) Restore missing inputs hwmon: Driver for Andigilog aSC7621 family monitoring chips hwmon: (adt7411) Improve locking hwmon: Add driver for ADT7411 voltage and temperature sensor hwmon: (w83793) Add watchdog functionality hwmon: (g760a) Make rpm_from_cnt static hwmon: (it87) Validate auto pwm settings hwmon: (it87) Add support for old automatic fan speed control hwmon: (it87) Drop dead web links in documentation hwmon: (it87) Add an entry in MAINTAINERS hwmon: (it87) Use strict_strtol instead of simple_strtol hwmon: (it87) Fix many checkpatch errors and warnings hwmon: (it87) Add support for beep on alarm hwmon: (it87) Create vid attributes by group hwmon: (it87) Refactor attributes creation and removal hwmon: (it87) Expose the PWM/temperature mappings hwmon: (it87) Display fan outputs in automatic mode as such ...
| * | | | | | | hwmon: Remove the deprecated adt7473 driverAmerigo Wang2010-03-052-80/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | adt7473 driver is obsoleted by adt7475 driver. And it is scheduled to be removed in Feb 2010. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: Driver for Andigilog aSC7621 family monitoring chipsGeorge Joseph2010-03-051-0/+296
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hwmon driver for Andigilog aSC7621 family monitoring chips. Signed-off-by: George Joseph <george.joseph@fairview5.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: Add driver for ADT7411 voltage and temperature sensorWolfram Sang2010-03-051-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add basic support for the ADT7411. Reads out all conversion results (via I2C, SPI yet missing) and allows some on-the-fly configuration. Tested with a custom board. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: (it87) Validate auto pwm settingsJean Delvare2010-03-051-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before switching to automatic fan control mode, make sure that all the trip points make sense. Otherwise, the control loop could lead to weird fan behavior. Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: (it87) Add support for old automatic fan speed controlJean Delvare2010-03-051-2/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the automatic fan speed control interface as implemented by IT8705F chips up to revision F and IT8712F chips up to revision G. This implementation fits very well in our standard sysfs interface. I implemented the old and not the new interface because the only chip I have at hand is an old one, and the new interface is more difficult to map to the standard sysfs interface. Adding support later should be possible though, if someone with a supported chip is interested. Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: (it87) Drop dead web links in documentationJean Delvare2010-03-051-13/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately ITE is no longer publicly providing datasheets for their IT87xxF series of chips. They may send them on request if you ask politely. Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: (it87) Add support for beep on alarmJean Delvare2010-03-051-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IT87xxF chips support beeping on alarm, if properly wired and configured. There is one control bit for each input type (temperature, fan, voltage.) Let the user see and change them. Signed-off-by: Jean Delvare <khali@linux-fr.org>
| * | | | | | | hwmon: (lm90) Add SMBus alert supportJean Delvare2010-03-051-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Tested successfully with an ADM1032 chip on its evaluation board. It should work fine with all other chips as well. At this point this is more of a proof-of-concept, we don't do anything terribly useful on SMBus alert: we simply log the event. But this could later evolve into libsensors signaling so that user-space applications can take an appropriate action. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Trent Piepho <tpiepho@freescale.com>
| * | | | | | | hwmon: (lm90) Add support for the Winbond/Nuvoton W83L771AWG/ASGJean Delvare2010-03-051-0/+10
| |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This chips is found on several Zotac Ion ITX boards, amongst others. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: MC Matti <mcmatti17@googlemail.com> Cc: Manuel Lamotte-Schubert <mls@pronego.com>
* | | | | | | Merge branch 'for-2.6.34' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2010-03-061-3/+2
|\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-2.6.34' of git://linux-nfs.org/~bfields/linux: (22 commits) nfsd4: fix minor memory leak svcrpc: treat uid's as unsigned nfsd: ensure sockets are closed on error Revert "sunrpc: move the close processing after do recvfrom method" Revert "sunrpc: fix peername failed on closed listener" sunrpc: remove unnecessary svc_xprt_put NFSD: NFSv4 callback client should use RPC_TASK_SOFTCONN xfs_export_operations.commit_metadata commit_metadata export operation replacing nfsd_sync_dir lockd: don't clear sm_monitored on nsm_reboot_lookup lockd: release reference to nsm_handle in nlm_host_rebooted nfsd: Use vfs_fsync_range() in nfsd_commit NFSD: Create PF_INET6 listener in write_ports SUNRPC: NFS kernel APIs shouldn't return ENOENT for "transport not found" SUNRPC: Bury "#ifdef IPV6" in svc_create_xprt() NFSD: Support AF_INET6 in svc_addsock() function SUNRPC: Use rpc_pton() in ip_map_parse() nfsd: 4.1 has an rfc number nfsd41: Create the recovery entry for the NFSv4.1 client nfsd: use vfs_fsync for non-directories ...
| * \ \ \ \ \ \ Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs into for-2.6.34-incomingJ. Bruce Fields2010-03-049-26/+136
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | Resolve merge conflict in fs/xfs/linux-2.6/xfs_export.c.
| * | | | | | | | nfsd: 4.1 has an rfc numberJ. Bruce Fields2010-01-201-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to refer to an internet draft; there's an RFC now. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
* | | | | | | | | gpio: introduce gpio_request_one() and friendsEric Miao2010-03-061-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gpio_request() without initial configuration of the GPIO is normally useless, introduce gpio_request_one() together with GPIOF_ flags for input/output direction and initial output level. gpio_{request,free}_array() for multiple GPIOs. Signed-off-by: Eric Miao <eric.y.miao@gmail.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Ben Nizette <bn@niasdigital.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | lkdtm: add debugfs access and loosen KPROBE tiesSimon Kagstrom2010-03-061-0/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add adds a debugfs interface and additional failure modes to LKDTM to provide similar functionality to the provoke-crash driver submitted here: http://lwn.net/Articles/371208/ Crashes can now be induced either through module parameters (as before) or through the debugfs interface as in provoke-crash. The patch also provides a new "direct" interface, where KPROBES are not used, i.e., the crash is invoked directly upon write to the debugfs file. When built without KPROBES configured, only this mode is available. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Cc: M. Mohan Kumar <mohan@in.ibm.com> Cc: Americo Wang <xiyou.wangcong@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: "Eric W. Biederman" <ebiederm@xmission.com>, Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | init/main.c: improve usability in case of init binary failureAndreas Mohr2010-03-061-0/+49
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - new Documentation/init.txt file describing various forms of failure trying to load the init binary after kernel bootup - extend the init/main.c init failure message to direct to Documentation/init.txt Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | mm: document /sys/devices/system/node/nodeXMel Gorman2010-03-061-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a bare description of what /sys/devices/system/node/nodeX is. Others will follow in time but right now, none of that tree is documented. The existence of this file might at least encourage people to document new entries. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | mm: document /proc/pagetypeinfoMel Gorman2010-03-061-1/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add documentation for /proc/pagetypeinfo. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Christoph Lameter <cl@linux-foundation.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | mm: count swap usageKAMEZAWA Hiroyuki2010-03-061-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A frequent questions from users about memory management is what numbers of swap ents are user for processes. And this information will give some hints to oom-killer. Besides we can count the number of swapents per a process by scanning /proc/<pid>/smaps, this is very slow and not good for usual process information handler which works like 'ps' or 'top'. (ps or top is now enough slow..) This patch adds a counter of swapents to mm_counter and update is at each swap events. Information is exported via /proc/<pid>/status file as [kamezawa@bluextal memory]$ cat /proc/self/status Name: cat State: R (running) Tgid: 2910 Pid: 2910 PPid: 2823 TracerPid: 0 Uid: 500 500 500 500 Gid: 500 500 500 500 FDSize: 256 Groups: 500 VmPeak: 82696 kB VmSize: 82696 kB VmLck: 0 kB VmHWM: 432 kB VmRSS: 432 kB VmData: 172 kB VmStk: 84 kB VmExe: 48 kB VmLib: 1568 kB VmPTE: 40 kB VmSwap: 0 kB <=============== this. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Reviewed-by: Christoph Lameter <cl@linux-foundation.org> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | | mm: avoid false sharing of mm_counterKAMEZAWA Hiroyuki2010-03-061-0/+6
| |_|_|_|_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Considering the nature of per mm stats, it's the shared object among threads and can be a cache-miss point in the page fault path. This patch adds per-thread cache for mm_counter. RSS value will be counted into a struct in task_struct and synchronized with mm's one at events. Now, in this patch, the event is the number of calls to handle_mm_fault. Per-thread value is added to mm at each 64 calls. rough estimation with small benchmark on parallel thread (2threads) shows [before] 4.5 cache-miss/faults [after] 4.0 cache-miss/faults Anyway, the most contended object is mmap_sem if the number of threads grows. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | | | | Merge branch 'slab-for-linus' of ↵Linus Torvalds2010-03-051-0/+1
|\ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'slab-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: SLUB: Fix per-cpu merge conflict failslab: add ability to filter slab caches slab: fix regression in touched logic dma kmalloc handling fixes slub: remove impossible condition slab: initialize unused alien cache entry as NULL at alloc_alien_cache(). SLUB: Make slub statistics use this_cpu_inc SLUB: this_cpu: Remove slub kmem_cache fields SLUB: Get rid of dynamic DMA kmalloc cache allocation SLUB: Use this_cpu operations in slub
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| *-----. \ \ \ \ \ \ \ Merge branches 'slab/cleanups', 'slab/failslab', 'slab/fixes' and ↵Pekka Enberg2010-03-041-0/+1
| |\ \ \ \ \ \ \ \ \ \ \ | | | | | |/ / / / / / / | | | | |/| | | | | | | | | | | | | | | | | | | 'slub/percpu' into slab-for-linus
| | | * | | | | | | | | failslab: add ability to filter slab cachesDmitry Monakhov2010-02-261-0/+1
| | | | |_|/ / / / / / | | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allow to inject faults only for specific slabs. In order to preserve default behavior cache filter is off by default (all caches are faulty). One may define specific set of slabs like this: # mark skbuff_head_cache as faulty echo 1 > /sys/kernel/slab/skbuff_head_cache/failslab # Turn on cache filter (off by default) echo 1 > /sys/kernel/debug/failslab/cache-filter # Turn on fault injection echo 1 > /sys/kernel/debug/failslab/times echo 1 > /sys/kernel/debug/failslab/probability Acked-by: David Rientjes <rientjes@google.com> Acked-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
* | | | | | | | | | | Merge branch 'for_linus' of ↵Linus Torvalds2010-03-051-18/+0
|\ \ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (33 commits) quota: stop using QUOTA_OK / NO_QUOTA dquot: cleanup dquot initialize routine dquot: move dquot initialization responsibility into the filesystem dquot: cleanup dquot drop routine dquot: move dquot drop responsibility into the filesystem dquot: cleanup dquot transfer routine dquot: move dquot transfer responsibility into the filesystem dquot: cleanup inode allocation / freeing routines dquot: cleanup space allocation / freeing routines ext3: add writepage sanity checks ext3: Truncate allocated blocks if direct IO write fails to update i_size quota: Properly invalidate caches even for filesystems with blocksize < pagesize quota: generalize quota transfer interface quota: sb_quota state flags cleanup jbd: Delay discarding buffers in journal_unmap_buffer ext3: quota_write cross block boundary behaviour quota: drop permission checks from xfs_fs_set_xstate/xfs_fs_set_xquota quota: split out compat_sys_quotactl support from quota.c quota: split out netlink notification support from quota.c quota: remove invalid optimization from quota_sync_all ... Fixed trivial conflicts in fs/namei.c and fs/ufs/inode.c
| * | | | | | | | | | | dquot: cleanup dquot initialize routineChristoph Hellwig2010-03-051-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the initialize dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_initialize helper to __dquot_initialize and vfs_dq_init to dquot_initialize to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | | | | | | | | | | dquot: cleanup dquot drop routineChristoph Hellwig2010-03-051-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the drop dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_drop helper to __dquot_drop and vfs_dq_drop to dquot_drop to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>