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2011-11-04NVMe: New driverMatthew Wilcox
This driver is for devices that follow the NVM Express standard Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
2011-10-11x86: Default to vsyscall=native for nowAdrian Bunk
This UML breakage: linux-2.6.30.1[3800] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb9c498 ax:ffffffffff600000 si:0 di:606790 linux-2.6.30.1[3856] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb13168 ax:ffffffffff600000 si:0 di:606790 Is caused by commit 3ae36655 ("x86-64: Rework vsyscall emulation and add vsyscall= parameter") - the vsyscall emulation code is not fully cooked yet as UML relies on some rather fragile SIGSEGV semantics. Linus suggested in https://lkml.org/lkml/2011/8/9/376 to default to vsyscall=native for now, this patch implements that. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Andrew Lutomirski <luto@mit.edu> Cc: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/20111005214047.GE14406@localhost.pp.htv.fi Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-10-06net: fix typos in Documentation/networking/scaling.txtBenjamin Poirier
The second hunk fixes rps_sock_flow_table but has to re-wrap the paragraph. Signed-off-by: Benjamin Poirier <benjamin.poirier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-29net: Documentation: Fix type of variablesRoy.Li
Signed-off-by: Roy.Li <rongqing.li@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-28Merge git://github.com/davem330/netLinus Torvalds
* git://github.com/davem330/net: ipv6-multicast: Fix memory leak in IPv6 multicast. ipv6: check return value for dst_alloc net: check return value for dst_alloc ipv6-multicast: Fix memory leak in input path. bnx2x: add missing break in bnx2x_dcbnl_get_cap bnx2x: fix WOL by enablement PME in config space bnx2x: fix hw attention handling net: fix a typo in Documentation/networking/scaling.txt ath9k: Fix a dma warning/memory leak rtlwifi: rtl8192cu: Fix unitialized struct iwlagn: fix dangling scan request batman-adv: do_bcast has to be true for broadcast packets only cfg80211: Fix validation of AKM suites iwlegacy: do not use interruptible waits iwlegacy: fix command queue timeout ath9k_hw: Fix Rx DMA stuck for AR9003 chips
2011-09-27net: fix a typo in Documentation/networking/scaling.txtJason Wang
Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-26Merge branch 'hwmon-for-linus' of git://github.com/groeck/linuxLinus Torvalds
* 'hwmon-for-linus' of git://github.com/groeck/linux: hwmon: (coretemp) remove struct platform_data * parameter from create_core_data() hwmon: (coretemp) constify static data hwmon: (coretemp) don't use kernel assigned CPU number as platform device ID hwmon: (ds620) Fix handling of negative temperatures hwmon: (w83791d) rename prototype parameter from 'register' to 'reg' hwmon: (coretemp) Don't use threshold registers for tempX_max hwmon: (coretemp) Let the user force TjMax hwmon: (coretemp) Drop duplicate function get_pkg_tjmax
2011-09-22thp: fix khugepaged defrag tunable documentationDavid Rientjes
Commit e27e6151b154 ("mm/thp: use conventional format for boolean attributes") changed /sys/kernel/mm/transparent_hugepage/khugepaged/defrag to be tuned by using 1 (enabled) or 0 (disabled) instead of "yes" and "no", respectively. Update the documentation. Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-21hwmon: (coretemp) Don't use threshold registers for tempX_maxGuenter Roeck
With commit c814a4c7c4aad795835583344353963a0a673eb0, the meaning of tempX_max was changed. It no longer returns the value of bits 8:15 of MSR_IA32_TEMPERATURE_TARGET, but instead returns the value of CPU threshold register T1. tempX_max_hyst was added to reflect the value of temperature threshold register T0. As it turns out, T0 and T1 are used on some systems, presumably by the BIOS. Also, T0 and T1 don't have a well defined meaning. The thresholds may be used as upper or lower limits, and it is not guaranteed that T0 <= T1. Thus, the new attribute mapping does not reflect the actual usage of the threshold registers. Also, register contents are changed during runtime by an entity other than the hwmon driver, meaning the values cached by the driver do not reflect actual register contents. Revert most of c814a4c7c4aad795835583344353963a0a673eb0 to address the problem. Support for T0 and T1 will be added back in with a separate commit, using new attribute names. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2011-09-21hwmon: (coretemp) Let the user force TjMaxJean Delvare
On old CPUs (and even some recent Atom CPUs) TjMax can't be read from the CPU registers, so it is guessed by the driver using a complex heuristic which isn't reliable. So let users who know their CPU's TjMax pass it as a module parameter. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: "R, Durgadoss" <durgadoss.r@intel.com> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-09-18Merge git://github.com/davem330/netLinus Torvalds
* git://github.com/davem330/net: (62 commits) ipv6: don't use inetpeer to store metrics for routes. can: ti_hecc: include linux/io.h IRDA: Fix global type conflicts in net/irda/irsysctl.c v2 net: Handle different key sizes between address families in flow cache net: Align AF-specific flowi structs to long ipv4: Fix fib_info->fib_metrics leak caif: fix a potential NULL dereference sctp: deal with multiple COOKIE_ECHO chunks ibmveth: Fix checksum offload failure handling ibmveth: Checksum offload is always disabled ibmveth: Fix issue with DMA mapping failure ibmveth: Fix DMA unmap error pch_gbe: support ML7831 IOH pch_gbe: added the process of FIFO over run error pch_gbe: fixed the issue which receives an unnecessary packet. sfc: Use 64-bit writes for TX push where possible Revert "sfc: Use write-combining to reduce TX latency" and follow-ups bnx2x: Fix ethtool advertisement bnx2x: Fix 578xx link LED bnx2x: Fix XMAC loopback test ...
2011-09-16Merge branch 'master' of ../netdev/David S. Miller
2011-09-15Documentation: networking: dmfe.txt: Remove the maintainer of orphan ↵Marcos Paulo de Souza
networking driver The dmfe module is a orphan driver, and with this was removed the maintainer of the documentation. Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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>
2011-08-07bonding: 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>
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