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2011-09-15Merge branch 'master' into for-nextJiri Kosina
Fast-forward merge with Linus to be able to merge patches based on more recent version of the tree.
2011-09-14memcg: Revert "memcg: add memory.vmscan_stat"Johannes Weiner
Revert the post-3.0 commit 82f9d486e59f5 ("memcg: add memory.vmscan_stat"). The implementation of per-memcg reclaim statistics violates how memcg hierarchies usually behave: hierarchically. The reclaim statistics are accounted to child memcgs and the parent hitting the limit, but not to hierarchy levels in between. Usually, hierarchical statistics are perfectly recursive, with each level representing the sum of itself and all its children. Since this exports statistics to userspace, this may lead to confusion and problems with changing things after the release, so revert it now, we can try again later. Signed-off-by: Johannes Weiner <jweiner@redhat.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Michal Hocko <mhocko@suse.cz> Cc: Ying Han <yinghan@google.com> Cc: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-14Merge git://bedivere.hansenpartnership.com/git/scsi-rc-fixes-2.6Linus Torvalds
* git://bedivere.hansenpartnership.com/git/scsi-rc-fixes-2.6: (25 commits) [SCSI] bnx2i: Fixed the endian on TTT for NOP out transmission [SCSI] libfc: fix referencing to fc_fcp_pkt from the frame pointer via fr_fsp() [SCSI] libfc: block SCSI eh thread for blocked rports [SCSI] libfc: fix fc_eh_host_reset [SCSI] fcoe: Fix deadlock between fip's recv_work and rtnl [SCSI] qla2xxx: Update version number to 8.03.07.07-k. [SCSI] qla2xxx: Set the task attributes after memsetting fcp cmnd. [SCSI] qla2xxx: Correct inadvertent loop state transitions during port-update handling. [SCSI] qla2xxx: Save and restore irq in the response queue interrupt handler. [SCSI] qla2xxx: Double check for command completion if abort mailbox command fails. [SCSI] qla2xxx: Acquire hardware lock while manipulating dsd list. [SCSI] qla2xxx: Fix qla24xx revision check while enabling interrupts. [SCSI] qla2xxx: T10 DIF - Fix incorrect error reporting. [SCSI] qla2xxx: T10 DIF - Handle uninitalized sectors. [SCSI] hpsa: fix physical device lun and target numbering problem [SCSI] hpsa: fix problem that OBDR devices are not detected [SCSI] isci: add version number [SCSI] isci: fix event-get pointer increment [SCSI] isci: dynamic interrupt coalescing [SCSI] isci: Leave requests alone if already terminating. ...
2011-09-12Merge branches 'apei', 'bz-13195' and 'doc' into acpiLen Brown
2011-09-12ioctl: register LTTng ioctlMathieu Desnoyers
The LTTng 2.0 kernel tracer (stand-alone module package, available at http://lttng.org) uses the 0xF6 ioctl range for tracer control and transport operations. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-11Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linusLinus Torvalds
* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus: [media] vp7045: fix buffer setup [media] nuvoton-cir: simplify raw IR sample handling [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL [media] v4l2: Fix documentation of the codec device controls [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240 [media] gspca - sonixj: Fix wrong register mask for sensor om6802 [media] gspca - ov519: Fix LED inversion of some ov519 webcams [media] pwc: precedence bug in pwc_init_controls()
2011-09-11[media] v4l2: Fix documentation of the codec device controlsKamil Debski
Fixed missing ids of the codec controls description in the controls.xml file. Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reported-by: Randy Dunlap <rdunlap@xenotime.net> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-09-06hwmon: (max16065) Add chip access warning to documentationGuenter Roeck
The chips supported by the max16065 driver should not be accessed using direct i2ctools commands. Add warning to driver documentation to alert users. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-09-02Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: fix ->write_inode return values xfs: fix xfs_mark_inode_dirty during umount xfs: deprecate the nodelaylog mount option
2011-08-25xfs: deprecate the nodelaylog mount optionChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2011-08-25PM / Runtime: Correct documentation of pm_runtime_irq_safe()Rafael J. Wysocki
The description of pm_runtime_irq_safe() has to be updated to follow the code after commit 02b2677 (PM / Runtime: Allow _put_sync() from interrupts-disabled context). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Kevin Hilman <khilman@ti.com>
2011-08-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits) bridge: fix a possible net_device leak net: Documentation: RFC 2553bis is now RFC 3493 atm: br2684: Fix oops due to skb->dev being NULL ipv6: Fix ipv6_getsockopt for IPV6_2292PKTOPTIONS net: netdev-features.txt update to Documentation/networking/00-INDEX vlan: reset headers on accel emulation path forcedeth: call vlan_mode only if hw supports vlans via-velocity: remove non-tagged packet filtering bonding:reset backup and inactive flag of slave net_sched: fix port mirror/redirect stats reporting sit tunnels: propagate IPv6 transport class to IPv4 Type of Service gianfar: reduce stack usage in gianfar_ethtool.c net: minor update to Documentation/networking/scaling.txt net: add missing entries to Documentation/networking/00-INDEX gianfar: prevent buggy hw rx vlan tagging net: sh_eth: Fix build by forgot including linux/interrupt.h drivers/net/can/sja1000/plx_pci.c: eliminate double free usbnet/cdc_ncm: Don't use stack variables for DMA vmxnet3: Don't enable vlan filters in promiscuous mode. iwlagn: sysfs couldn't find the priv pointer ...
2011-08-23[SCSI] isci: Adding documentation to API change and fixup sysfs registrationDave Jiang
Adding API update for adding isci_id entry scsi_host sysfs entry. Also fixing up the sysfs registration to the scsi_host template Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-08-22net: Documentation: RFC 2553bis is now RFC 3493Geoffrey Thomas
Signed-off-by: Geoffrey Thomas <geofft@mit.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-19Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-block: (23 commits) Revert "cfq: Remove special treatment for metadata rqs." block: fix flush machinery for stacking drivers with differring flush flags block: improve rq_affinity placement blktrace: add FLUSH/FUA support Move some REQ flags to the common bio/request area allow blk_flush_policy to return REQ_FSEQ_DATA independent of *FLUSH xen/blkback: Make description more obvious. cfq-iosched: Add documentation about idling block: Make rq_affinity = 1 work as expected block: swim3: fix unterminated of_device_id table block/genhd.c: remove useless cast in diskstats_show() drivers/cdrom/cdrom.c: relax check on dvd manufacturer value drivers/block/drbd/drbd_nl.c: use bitmap_parse instead of __bitmap_parse bsg-lib: add module.h include cfq-iosched: Reduce linked group count upon group destruction blk-throttle: correctly determine sync bio loop: fix deadlock when sysfs and LOOP_CLR_FD race against each other loop: add BLK_DEV_LOOP_MIN_COUNT=%i to allow distros 0 pre-allocated loop devices loop: add management interface for on-demand device allocation loop: replace linked list of allocated devices with an idr index ...
2011-08-18net: netdev-features.txt update to Documentation/networking/00-INDEXWillem de Bruijn
Update netdev-features.txt entry in 00-INDEX to incorporate feedback by Michał Mirosław. v2: restored tabs that were inadvertently changed to spaces in v1. sorry for the error. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-15Merge branch 'docs-move' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs * 'docs-move' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs: Docs: MSI-HOWTO: MSI -> MSIs Docs: MSI-HOWTO: Insert a comma Docs: MSI-HOWTO: can -> could Docs: MSI-HOWTO: Use `unknown ...' rather than `... know about.' Docs: MSI-HOWTO: may -> might Docs: MSI-HOWTO: Insert a comma Docs: MSI-HOWTO: API -> function Docs: MSI-HOWTO: , -> ; Docs: MSI-HOWTO: Move a sentence to another paragraph Docs: MSI-HOWTO: Insert `that' Docs: MSI-HOWTO: Offset modifier with a comma, and insert `yet' for emphasis Docs: MSI-HOWTO: Put the `because' subordinate clause first Docs: MSI-HOWTO: Streamline some wording Docs: MSI-HOWTO: `asked for' -> `requested' Docs: MSI-HOWTO: Use present tense and streamline some wording Docs: MSI-HOWTO: Use the subjunctive, and change `can' to `may'
2011-08-15lguest: allow booting guest with CONFIG_RELOCATABLE=yRusty Russell
The CONFIG_RELOCATABLE code tries to align the unpack destination to the value of 'kernel_alignment' in the setup_hdr. If that's 0, it tries to unpack to address 0, which in fact causes the gunzip code to call 'error("Out of memory while allocating output buffer")'. The bootloader (ie. the lguest Launcher in this case) should be doing setting this field; the normal bzImage is 16M, we can use the same. Reported-by: Stefanos Geraggelos <sgerag@cslab.ece.ntua.gr> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
2011-08-15virtio: Add text copy of spec to Documentation/virtual.Rusty Russell
As suggested by Christoph Hellwig. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-08-13Documentation: befs.txt: no maintainer, orphanedMarcos Souza
Remove the name of Sergey Kostyliov as maintainer of befs. In the MAINTAINERS file, befs is orphaned. Signed-off-by: Marcos Souza <marcos.mage@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: SubmittingDrivers: fix Linus's git tree URLRalf Thielow
Change resource URL to new git tree - (http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git). Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: add Ramoops usage descriptionSergiu Iordache
Add a documentation file describing the usage of Ramoops Signed-off-by: Sergiu Iordache <sergiu@chromium.org> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: email-clients: Add better Thunderbird informationPaul Mcquade
Add better Thunderbird information. Add Thunderbird Registry instructions to: Enable UTF8 & Preformat mode Disable HTML mode Signed-off-by: Paul McQuade <paulmcquad@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: kernel-parameters.txt cleanupsRandy Dunlap
General cleanups to kernel-parameters.txt: - add missing $ARCH that are being used/referenced - alphabetize the parameter restrictions list - spell "IA-64" as listed in arch/ia64/Kconfig instead of "IA64" - remove trailing whitespace - use hyphen in 32-bit etc. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: add ARM user_debug to kernel-parameters.txtStephen Boyd
Usually kernel parameters are documented in kernel-parameters.txt but user_debug is only documented in the Kconfig. Document the option and point to the Kconfig help text for more info. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: drop Linux Source Driver from kernel-docs referencesLuis de Bethencourt
Dropping LSD (Linux Source Driver) since it hasn't been available for a long time. Signed-off-by: Luis de Bethencourt <luis@debethencourt.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13Documentation: fix spelling error in SubmittingPatchesZac Storer
Fixed a spelling error. Signed-off-by: Zac Storer <zac.3.14159@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-13net: minor update to Documentation/networking/scaling.txtWillem de Bruijn
Incorporate last comments about hyperthreading, interrupt coalescing and the definition of cache domains into the network scaling document scaling.txt Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-13net: add missing entries to Documentation/networking/00-INDEXWillem de Bruijn
A simple janitor duty patch that adds a one sentence overview to 00-INDEX for all files that lacked it. - does not add entries for subdirectories - does not modify existing entries. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-12Merge branch 'x86-vdso-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-tip * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-tip: x86-64: Rework vsyscall emulation and add vsyscall= parameter x86-64: Wire up getcpu syscall x86: Remove unnecessary compile flag tweaks for vsyscall code x86-64: Add vsyscall:emulate_vsyscall trace event x86-64: Add user_64bit_mode paravirt op x86-64, xen: Enable the vvar mapping x86-64: Work around gold bug 13023 x86-64: Move the "user" vsyscall segment out of the data segment. x86-64: Pad vDSO to a page boundary
2011-08-11PNP: update pnp.debug usage (needs value on command line)Bjorn Helgaas
Commit cdefba03e44 changed pnp.debug from a boot param to a module param, which means it needs a value when used on the command line. CC: Thomas Renninger <trenn@suse.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-08-10x86-64: Rework vsyscall emulation and add vsyscall= parameterAndy Lutomirski
There are three choices: vsyscall=native: Vsyscalls are native code that issues the corresponding syscalls. vsyscall=emulate (default): Vsyscalls are emulated by instruction fault traps, tested in the bad_area path. The actual contents of the vsyscall page is the same as the vsyscall=native case except that it's marked NX. This way programs that make assumptions about what the code in the page does will not be confused when they read that code. vsyscall=none: Trying to execute a vsyscall will segfault. Signed-off-by: Andy Lutomirski <luto@mit.edu> Link: http://lkml.kernel.org/r/8449fb3abf89851fd6b2260972666a6f82542284.1312988155.git.luto@mit.edu Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-08-10net: add Documentation/networking/scaling.txtWillem de Bruijn
Describes RSS, RPS, RFS, accelerated RFS, and XPS. This version incorporates comments by Randy Dunlap and Rick Jones. Besides text cleanup, it adds an explicit "Suggested Configuration" heading to each section. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-By: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-08Fix documentation and comment typo 'no_hz'Paul Bolle
Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Len Brown <len.brown@intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-08-07bonding: document two undocumented options.Nicolas de Pesloüan
Commit 655f8919d549ad1872e24d826b6ce42530516d2e bonding: add min links parameter to 802.3ad and commit ebd8e4977a87cb81d93c62a9bff0102a9713722f bonding: add all_slaves_active parameter introduced new options to bonding, but didn't provide the documentation for those options. V2: add the default value for both options. V3: document the exact behavior of min_links default value. Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-06Merge branch 'pm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / Runtime: Allow _put_sync() from interrupts-disabled context PM / Domains: Fix pm_genpd_poweron()
2011-08-06Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: (38 commits) acer-wmi: support Lenovo ideapad S205 wifi switch acerhdf.c: spaces in aliased changed to * platform-drivers-x86: ideapad-laptop: add missing ideapad_input_exit in ideapad_acpi_add error path x86 driver: fix typo in TDP override enabling Platform: fix samsung-laptop DMI identification for N150/N210/220/N230 dell-wmi: Add keys for Dell XPS L502X platform-drivers-x86: samsung-q10: make dmi_check_callback return 1 Platform: Samsung Q10 backlight driver platform-drivers-x86: intel_scu_ipc: convert to DEFINE_PCI_DEVICE_TABLE platform-drivers-x86: intel_rar_register: convert to DEFINE_PCI_DEVICE_TABLE platform-drivers-x86: intel_menlow: add missing return AE_OK for intel_menlow_register_sensor() platform-drivers-x86: intel_mid_thermal: fix memory leak platform-drivers-x86: msi-wmi: add missing sparse_keymap_free in msi_wmi_init error path Samsung Laptop platform driver: support N510 asus-wmi: add uwb rfkill support asus-wmi: add gps rfkill support asus-wmi: add CWAP support and clarify the meaning of WAPF bits asus-wmi: return proper value in store_cpufv() asus-wmi: check for temp1 presence asus-wmi: add thermal sensor ...
2011-08-06CodingStyle: Document the exception of not splitting user-visible strings, ↵Josh Triplett
for grepping Patch reviewers now recommend not splitting long user-visible strings, such as printk messages, even if they exceed 80 columns. This avoids breaking grep. However, that recommendation did not actually appear anywhere in Documentation/CodingStyle. See, for example, the thread at http://news.gmane.org/find-root.php?message_id=%3c1312215262.11635.15.camel%40Joe%2dLaptop%3e Signed-off-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-05PM / Runtime: Allow _put_sync() from interrupts-disabled contextKevin Hilman
Currently the use of pm_runtime_put_sync() is not safe from interrupts-disabled context because rpm_idle() will release the spinlock and enable interrupts for the idle callbacks. This enables interrupts during a time where interrupts were expected to be disabled, and can have strange side effects on drivers that expected interrupts to be disabled. This is not a bug since the documentation clearly states that only _put_sync_suspend() is safe in IRQ-safe mode. However, pm_runtime_put_sync() could be made safe when in IRQ-safe mode by releasing the spinlock but not re-enabling interrupts, which is what this patch aims to do. Problem was found when using some buggy drivers that set pm_runtime_irq_safe() and used _put_sync() in interrupts-disabled context. Reported-by: Colin Cross <ccross@google.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-08-05ideapad: define cfg bits and create sysfs node for cfgIke Panhc
Create /sys/devices/platform/ideapad/cfg for showing cfg value. Signed-off-by: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-08-05acer-wmi: schedule threeg and interface sysfs for feature removalLee, Chun-Yi
we can now autodetect internal 3G device and already have the threeg rfkill device. So, we plan to remove threeg sysfs support for it's no longer necessary. We also plan to remove interface sysfs file that exposed which ACPI-WMI interface that was used by acer-wmi driver. It will replaced by information log when acer-wmi initial. We keep it around for userspace compatibility reasons, schedule removal in 2012. Cc: Carlos Corbacho <carlos@strangeworlds.co.uk> Cc: Matthew Garrett <mjg@redhat.com> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: Corentin Chary <corentincj@iksaif.net> Acked-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Lee, Chun-Yi <jlee@novell.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-08-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (54 commits) ipv6: check for IPv4 mapped addresses when connecting IPv6 sockets mlx4: decreasing ref count when removing mac net: Fix security_socket_sendmsg() bypass problem. net: Cap number of elements for sendmmsg net: sendmmsg should only return an error if no messages were sent ixgbe: fix PHY link setup for 82599 ixgbe: fix __ixgbe_notify_dca() bail out code igb: fix WOL on second port of i350 device e1000e: minor re-order of #include files e1000e: remove unnecessary check for NULL pointer intel drivers: repair missing flush operations macb: restore wrap bit when performing underrun cleanup cdc_ncm: fix endianness problem. irda: use PCI_VENDOR_ID_* mlx4: Fixing Ethernet unicast packet steering net: fix NULL dereferences in check_peer_redir() bnx2x: Clear MDIO access warning during first driver load bnx2x: Fix BCM578xx MAC test bnx2x: Fix BCM54618se invalid link indication bnx2x: Fix BCM84833 link ...
2011-08-05Documentation/ABI/: update version number references from 2.6.x to 3.xJesper Juhl
Update the version number references from 2.6.x to 3.x Also correct spelling of "May" (was spelled "Mai"). Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-08-05cfq-iosched: Add documentation about idlingVivek Goyal
There are always questions about why CFQ is idling on various conditions. Recent ones is Christoph asking again why to idle on REQ_NOIDLE. His assertion is that XFS is relying more and more on workqueues and is concerned that CFQ idling on IO from every workqueue will impact XFS badly. So he suggested that I add some more documentation about CFQ idling and that can provide more clarity on the topic and also gives an opprotunity to poke a hole in theory and lead to improvements. So here is my attempt at that. Any comments are welcome. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-04Merge commit 'v3.0' into x86/vdsoH. Peter Anvin
2011-08-03Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ad7879 - fix deficient device disable Input: gpio_keys - fix two typos in devicetree documentation Input: mma8450 - add device tree probe support Input: gpio_keys - return proper error code if memory allocation fails Input: lm8323 - add missing device_remove_file for dev_attr_time Input: tegra-kbc - fix computation of polling time Input: kxtj9 - explicitly include module.h Input: psmouse - hgpk.c needs module.h
2011-08-03Merge branch 'idle-release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 * 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6: cpuidle: stop depending on pm_idle x86 idle: move mwait_idle_with_hints() to where it is used cpuidle: replace xen access to x86 pm_idle and default_idle cpuidle: create bootparam "cpuidle.off=1" mrst_pmu: driver for Intel Moorestown Power Management Unit
2011-08-03Merge branch 'apei-release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'apei-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI, APEI, EINJ Param support is disabled by default APEI GHES: 32-bit buildfix ACPI: APEI build fix ACPI, APEI, GHES: Add hardware memory error recovery support HWPoison: add memory_failure_queue() ACPI, APEI, GHES, Error records content based throttle ACPI, APEI, GHES, printk support for recoverable error via NMI lib, Make gen_pool memory allocator lockless lib, Add lock-less NULL terminated single list Add Kconfig option ARCH_HAVE_NMI_SAFE_CMPXCHG ACPI, APEI, Add WHEA _OSC support ACPI, APEI, Add APEI bit support in generic _OSC call ACPI, APEI, GHES, Support disable GHES at boot time ACPI, APEI, GHES, Prevent GHES to be built as module ACPI, APEI, Use apei_exec_run_optional in APEI EINJ and ERST ACPI, APEI, Add apei_exec_run_optional ACPI, APEI, GHES, Do not ratelimit fatal error printk before panic ACPI, APEI, ERST, Fix erst-dbg long record reading issue ACPI, APEI, ERST, Prevent erst_dbg from loading if ERST is disabled
2011-08-03Documentation: add pointer to name_to_dev_t for root= valuesWill Drewry
Update kernel-parameters.txt to point users to the authoritative comment for name_to_dev_t. In addition, updates other places where some name_to_dev_t behavior was discussed. All other references to root= appear to be for explicit sample usage or just side comments when discussing other kernel parameters. Signed-off-by: Will Drewry <wad@chromium.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-03fault-injection: add ability to export fault_attr in arbitrary directoryAkinobu Mita
init_fault_attr_dentries() is used to export fault_attr via debugfs. But it can only export it in debugfs root directory. Per Forlin is working on mmc_fail_request which adds support to inject data errors after a completed host transfer in MMC subsystem. The fault_attr for mmc_fail_request should be defined per mmc host and export it in debugfs directory per mmc host like /sys/kernel/debug/mmc0/mmc_fail_request. init_fault_attr_dentries() doesn't help for mmc_fail_request. So this introduces fault_create_debugfs_attr() which is able to create a directory in the arbitrary directory and replace init_fault_attr_dentries(). [akpm@linux-foundation.org: extraneous semicolon, per Randy] Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Tested-by: Per Forlin <per.forlin@linaro.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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