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2009-04-13mm: add documentation describing what tsk->active_mm means vs tsk->mmMichael Ellerman2-0/+85
I'm sure everyone knows this, but I didn't, so I googled it, and found a nice explanation from Linus. Might be worth sticking in Documentation. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13memcg: remove warning when CONFIG_DEBUG_VM=nKAMEZAWA Hiroyuki1-1/+1
mm/memcontrol.c:318: warning: `mem_cgroup_is_obsolete' defined but not used [akpm@linux-foundation.org: simplify as suggested by Balbir] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13kernel/sys.c: clean up sys_shutdown exit pathAndi Kleen1-15/+9
Impact: cleanup, fix Clean up sys_shutdown() exit path. Factor out common code. Return correct error code instead of always 0 on failure. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13at25: make input buffers of at25_*write() constGeert Uytterhoeven1-2/+3
| drivers/misc/eeprom/at25.c:358: warning: assignment from incompatible pointer type Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13at24: make input buffers of at24_*write() constGeert Uytterhoeven1-4/+4
| drivers/misc/eeprom/at24.c:508: warning: assignment from incompatible pointer type Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13jbd: update locking comentsJan Kara1-5/+19
Update information about locking in JBD revoke code. Reported-by: Lin Tan <tammy000@gmail.com>. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13mm: document get_user_pages_fast()Andy Grover1-0/+16
While better than get_user_pages(), the usage of gupf(), especially the return values and the fact that it can potentially only partially pin the range, warranted some documentation. Signed-off-by: Andy Grover <andy.grover@oracle.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13initramfs: fix initramfs to work with hardlinked initRandy Robertson1-1/+2
Change cb6ff208076b5f434db1b8c983429269d719cef5 ("NOMMU: Support XIP on initramfs") seems to have broken booting from initramfs with /sbin/init being a hardlink. It seems like the logic required for XIP on nommu, i.e. ftruncate to reported cpio header file size (body_len) is broken for hardlinks, which have a reported size of 0, and the truncate thus nukes the contents of the file (in my case busybox), making boot impossible and ending with runaway loop modprobe binfmt-0000 - and of course 0000 is not a valid binary format. My fix is to only call ftruncate if size is non-zero which fixes things for me, but I'm not certain whether this will break XIP for those files on nommu systems, although I would guess not. Signed-off-by: Randy Robertson <rmrobert@vmware.com> Acked-by: David Howells <dhowells@redhat.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13ptrace: fix exit_ptrace() vs ptrace_traceme() raceOleg Nesterov1-3/+4
Pointed out by Roland. The bug was recently introduced by me in "forget_original_parent: split out the un-ptrace part", commit 39c626ae47c469abdfd30c6e42eff884931380d6. Since that patch we have a window after exit_ptrace() drops tasklist and before forget_original_parent() takes it again. In this window the child can do ptrace(PTRACE_TRACEME) and nobody can untrace this child after that. Change ptrace_traceme() to not attach to the exiting ->real_parent. We don't report the error in this case, we pretend we attach right before ->real_parent calls exit_ptrace() which should untrace us anyway. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13MAINTAINERS: bluesmoke-devel list is moderated for non-subscribersJean Delvare1-10/+10
Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Doug Thompson <dougthompson@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13mm: reformat the Unevictable-LRU documentationDavid Howells1-469/+572
Do a bit of reformatting on the Unevictable-LRU documentation. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Rik van Riel <riel@redhat.com> Cc: 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>
2009-04-13mm: point the UNEVICTABLE_LRU config option at the documentationDavid Howells1-0/+2
Point the UNEVICTABLE_LRU config option at the documentation describing the option. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Rik van Riel <riel@redhat.com> Cc: 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>
2009-04-13sysrq: remove duplicated #includeHuang Weiyi1-1/+0
Remove duplicated #include in drivers/char/sysrq.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13include/video/cyblafb.h: remove it, it's unusedJoe Perches1-175/+0
commit ddb53d48da5b0e691f35e703ac29118747f86c99 ("fbdev: remove cyblafb driver") removed drivers/video/cyblafb.c, but not its .h file Signed-off-by: Joe Perches <joe@perches.com> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Cc: "Jani Monoses" <jani@ubuntu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13res_counter: update documentationAndrea Righi1-6/+21
After the introduction of resource counters hierarchies (28dbc4b6a01fb579a9441c7b81e3d3413dc452df) the prototypes of res_counter_init() and res_counter_charge() have been changed. Keep the documentation consistent with the actual function prototypes. Signed-off-by: Andrea Righi <righi.andrea@gmail.com> Cc: Paul Menage <menage@google.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13spi: spi_write_then_read() bugfixesDavid Brownell1-8/+14
The "simplify spi_write_then_read()" patch included two regressions from the 2.6.27 behaviors: - The data it wrote out during the (full duplex) read side of the transfer was not zeroed. - It fails completely on half duplex hardware, such as Microwire and most "3-wire" SPI variants. So, revert that patch. A revised version should be submitted at some point, which can get the speedup on standard hardware (full duplex) without breaking on less-capable half-duplex stuff. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: <stable@kernel.org> [2.6.28.x, 2.6.29.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13asm-generic/siginfo.h: update NSIGTRAP definitionAndi Kleen1-1/+1
Impact: (nearly) trivial The patch commit da654b74bda14c45a7d98c731bf3c1a43b6b74e2 Author: Srinivasa Ds <srinivasa@in.ibm.com> Date: Tue Sep 23 15:23:52 2008 +0530 signals: demultiplexing SIGTRAP signal forgot to update the NSIGTRAP define in asm-generic/siginfo.h to the new number of sigtrap subcodes. Nothing in the tree seems to use it, but presumably something in user space might. So update it. Cc: Srinivasa Ds <srinivasa@in.ibm.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13cirrusfb: do not allow unsupported pixel depthKrzysztof Helt1-3/+1
Do not allow modes with unsupported pixel depth. Otherwise, one can hang a computer by setting incorrect value with fbset command. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13filemap: fix kernel-doc warningsRandy Dunlap1-2/+2
Fix filemap.c kernel-doc warnings: Warning(mm/filemap.c:575): No description found for parameter 'page' Warning(mm/filemap.c:575): No description found for parameter 'waiter' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13include/linux/fiemap.h: include types.h now that it's exportedEric Sandeen1-0/+2
Include <linux/types.h> in fiemap.h. Sam Ravnborg pointed out that this was missing in this newly-exported header which uses the __u32 and __u64 types. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13drivers/video/aty/radeon_base.c: fix typo in commentPaul Menzel1-2/+2
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13sisfb: fix color component length for pseudocolor modesMichal Januszewski1-1/+1
sisfb incorrectly sets the length of the color fields to 6 bits for PSEUDOCOLOR modes, even though 8 bits are always used per pixel. Fix this by setting the length to 8. Signed-off-by: Michal Januszewski <spock@gentoo.org> Cc: Thomas Winischhofer <thomas@winischhofer.net> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13sa1100fb: fix color component length for pseudocolor modesMichal Januszewski2-8/+14
sa1100fb incorrectly sets the length of the color fields to 8 bits for PSEUDOCOLOR modes for which only 4 bits are used per pixel. Fix this by setting the length to 4 bits for these modes. Signed-off-by: Michal Januszewski <spock@gentoo.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13s3fb: fix color component length for pseudocolor modesMichal Januszewski1-3/+3
s3fb incorrectly sets the length of the color fields to 6 bits for PSEUDOCOLOR modes, even though 8 or 4 bits are used per pixel. Fix this by setting the length to 8 or 4, respectively. Signed-off-by: Michal Januszewski <spock@gentoo.org> Acked-by: Ondrej Zajicek <santiago@crfreenet.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13namespaces: move get_mq() inside #ifdef CONFIG_SYSCTLGeert Uytterhoeven1-1/+1
| ipc/mq_sysctl.c:26: warning: 'get_mq' defined but not used Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13aio: remove INIT_KIOCTXAlexey Dobriyan1-13/+0
Unused after 20dcae32439384b6863c626bb3b2a09bed65b33e aka "[PATCH] aio: remove kioctx from mm_struct". Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13hfs: fix memory leak when unmountingDave Anderson2-0/+5
When an HFS filesystem is unmounted, it leaks a 2-page bitmap. Also, under extreme memory pressure, it's possible that hfs_releasepage() may use a tree pointer that has not been initialized, and if so, the release request should just be rejected. [akpm@linux-foundation.org: free_pages(0) is legal, remove obvious comment] Signed-off-by: Dave Anderson <anderson@redhat.com> Tested-by: Eugene Teo <eugeneteo@kernel.sg> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13hwmon: sht15 humidity sensor driverJonathan Cameron4-0/+727
Data sheet at: http://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf These sensors communicate over a 2 wire bus running a device specific protocol. The complexity of the driver is mainly due to handling the substantial delays between requesting a reading and the device pulling the data line low to indicate that the data is available. This is handled by an interrupt that is disabled under all other conditions. I wasn't terribly clear on the best way to handle this, so comments on that aspect would be particularly welcome! Interpretation of the temperature depends on knowing the supply voltage. If configured in a board config as a regulator consumer this is obtained from the regulator subsystem. If not it should be provided in the platform data. I've placed this driver in the hwmon subsystem as it is definitely a device that may be used for hardware monitoring and with it's relatively slow response times (up to 120 millisecs to get a reading) a caching strategy certainly seems to make sense! Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13efifb: exit if framebuffer address is invalidMatthew Garrett1-2/+5
efifb will attempt to ioremap a framebuffer even if its starting address is 0, failing and causing an ugly backtrace in the process. Exit before probing if this is the case. Signed-off-by: Matthew Garrett <mjg@redhat.com> Acked-by: Peter Jones <pjones@redhat.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13uvesafb: fix color component length for pseudocolor modesMichal Januszewski1-25/+10
uvesafb incorrectly sets the length of the color fields to 6 bits for PSEUDOCOLOR modes, even though 8 bits are always used per pixel. Fix this by setting the length to 8. The switch of the DAC width from the default 6 bits to 8 bits is retained and tracked internally in the driver, but never exposed to userspace. Signed-off-by: Michal Januszewski <spock@gentoo.org> Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: <syrjala@sci.fi> Cc: Geert Uytterhoeven <geert.uytterhoeven@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13fbdev: fix color component field length documentationMichal Januszewski3-9/+18
The documentation about the meaning of the color component bitfield lengths in pseudocolor modes is inconsistent. Fix it, so that it indicates the correct interpretation everywhere, i.e. that 1 << length is the number of palette entries. Signed-off-by: Michal Januszewski <spock@gentoo.org> Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: <syrjala@sci.fi> Acked-by: Geert Uytterhoeven <geert.uytterhoeven@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13fbdev: fix info->lock deadlock in fbcon_event_notify()Andrea Righi4-58/+22
fb_notifier_call_chain() is called with info->lock held, i.e. in do_fb_ioctl() => FBIOPUT_VSCREENINFO => fb_set_var() and the some notifier callbacks, like fbcon_event_notify(), try to re-acquire info->lock again. Remove the lock/unlock_fb_info() in all the framebuffer notifier callbacks' and be sure to always call fb_notifier_call_chain() with info->lock held. Reported-by: Pavel Roskin <proski@gnu.org> Reported-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Andrea Righi <righi.andrea@gmail.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13init/initramfs: fix warning with CONFIG_BLK_DEV_RAM=nNikanth Karthikesan1-0/+2
init/initramfs.c:520: warning: 'clean_rootfs' defined but not used Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13hp_accel: remove unused #include <version.h>Huang Weiyi1-1/+0
Remove unused #include <version.h> in drivers/hwmon/hp_accel.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13Documentation/sysctl/net.txt: fix a typoLi Zefan1-1/+1
s/spicified/specified Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13MAINTAINERS: fix Andreas's email addressRandy Dunlap1-1/+1
Correct typo in email address. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13MAINTAINERS: switch maintainer of the hso driverJan Dumon1-2/+2
Since Denis is no longer working for Option, I will maintain the driver from now on. Signed-off-by: Jan Dumon <j.dumon@option.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13mm: move the scan_unevictable_pages sysctl to the vm tablePeter Zijlstra1-10/+10
vm knobs should go in the vm table. Probably too late for randomize_va_space though. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds13-161/+180
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: remove xfs_flush_space xfs: flush delayed allcoation blocks on ENOSPC in create xfs: block callers of xfs_flush_inodes() correctly xfs: make inode flush at ENOSPC synchronous xfs: use xfs_sync_inodes() for device flushing xfs: inform the xfsaild of the push target before sleeping xfs: prevent unwritten extent conversion from blocking I/O completion xfs: fix double free of inode xfs: validate log feature fields correctly
2009-04-14MAINTAINERS: Update sh architecture file patterns.Paul Mundt1-0/+2
Fill in missing entries for drivers/sh/ and Documentation/sh/. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-04-14Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6Paul Mundt1688-65940/+124031
2009-04-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds11-18/+116
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: docbook: make cleandocs kbuild: fix spurious initramfs rebuild Documentation: explain the difference between __bitwise and __bitwise__ kbuild: make it possible for the linker to discard local symbols from vmlinux kbuild: remove pointless strdup() on arguments passed to new_module() in modpost kbuild: fix a few typos in top-level Makefile kbuild: introduce destination-y for exported headers kbuild: use git svn instead of git-svn in setlocalversion kconfig: fix update-po-config to accect backslash in input kbuild: fix option processing for -I in headerdep
2009-04-13Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-devLinus Torvalds3-28/+35
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ata: fix obviously wrong comment ahci: force CAP_NCQ for earlier NV MCPs [libata] sata_via: kill uninit'd var warning
2009-04-13Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds28-200/+3062
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (22 commits) Input: i8042 - add HP DV9700 to the noloop list Input: arrange drivers/input/misc/Makefile in alphabetical order Input: add AD7879 Touchscreen driver Input: add AD7877 touchscreen driver Input: bf54x-keys - fix typo in warning Input: add driver for S1 button of rb532 Input: generic driver for rotary encoders on GPIOs Input: hilkbd - fix crash when removing hilkbd module Input: atkbd - add quirk for Fujitsu Siemens Amilo PA 1510 Input: atkbd - consolidate force release quirk setup Input: add accelerated touchscreen support for Marvell Zylonite Input: ucb1400_ts, mainstone-wm97xx - add BTN_TOUCH events Input: wm97xx - use disable_irq_nosync() for Mainstone Input: wm97xx - add BTN_TOUCH event to wm97xx to use it with Android Input: fix polling of /proc/bus/input/devices Input: psmouse - add newline to OLPC HGPK touchpad debugging Input: ati_remote2 - check module params Input: ati_remote2 - add per device attrs Input: ati_remote2 - complete suspend support Input: stop autorepeat timer on key release ...
2009-04-13PM/Hibernate: Wait for SCSI devices scan to complete during resumeRafael J. Wysocki5-4/+29
There is a race between resume from hibernation and the asynchronous scanning of SCSI devices and to prevent it from happening we need to call scsi_complete_async_scans() during resume from hibernation. In addition, if the resume from hibernation is userland-driven, it's better to wait for all device probes in the kernel to complete before attempting to open the resume device. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13Merge git://git.infradead.org/iommu-2.6Linus Torvalds2-3/+12
* git://git.infradead.org/iommu-2.6: intel-iommu: Avoid panic() for DRHD at address zero. Intel-IOMMU Alignment Issue in dma_pte_clear_range()
2009-04-13Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds10-19/+57
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: add linux kernel support for YMM state x86: fix wrong section of pat_disable & make it static x86: Fix section mismatches in mpparse x86: fix set_fixmap to use phys_addr_t x86: Document get_user_pages_fast() x86, intr-remap: fix eoi for interrupt remapping without x2apic
2009-04-13Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds6-29/+45
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing/filters: return proper error code when writing filter file tracing/filters: allow user input integer to be oct or hex tracing/filters: fix NULL pointer dereference tracing/filters: NIL-terminate user input filter ftrace: Output REC->var instead of __entry->var for trace format Make __stringify support variable argument macros too tracing: fix document references tracing: fix splice return too large tracing: update file->f_pos when splice(2) it tracing: allocate page when needed tracing: disable seeking for trace_pipe_raw
2009-04-13Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tipLinus Torvalds3-3/+18
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: lockdep: continue lock debugging despite some taints lockdep: warn about lockdep disabling after kernel taint
2009-04-13cpufreq: use smp_call_function_[single|many]() in acpi-cpufreq.cAndrew Morton1-15/+9
Atttempting to rid us of the problematic work_on_cpu(). Just use smp_call_fuction_single() here. This repairs a 10% sysbench(oltp)+mysql regression which Mike reported, due to commit 6b44003e5ca66a3fffeb5bc90f40ada2c4340896 Author: Andrew Morton <akpm@linux-foundation.org> Date: Thu Apr 9 09:50:37 2009 -0600 work_on_cpu(): rewrite it to create a kernel thread on demand It seems that the kernel calls these acpi-cpufreq functions at a quite high frequency. Valdis Kletnieks also reports that this causes 70-90 forks per second on his hardware. Cc: Valdis.Kletnieks@vt.edu Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Zhao Yakui <yakui.zhao@intel.com> Acked-by: Dave Jones <davej@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Tested-by: Mike Galbraith <efault@gmx.de> Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Ingo Molnar <mingo@elte.hu> [ Made it use smp_call_function_many() instead of looping over cpu's with smp_call_function_single() - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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