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2009-09-23kprobes: use do_IRQ() in lkdtmM. Mohan Kumar
Current lkdtm code puts a probe on __do_IRQ for some of the kdump test cases. Since __do_IRQ is deprecated, change lkdtm code to use do_IRQ function. Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Cc: Ankita Garg <ankita@in.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-23smbfs: read buffer overflowRoel Kluin
This function uses signed integers for the unix_date and local variables - if a negative number is supplied and the leap-year condition is not met, month will be 0, leading to a read of day_n[-1] Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-23include/linux/kmemcheck.h: fix a trillion warningsAndrew Morton
of the form include/net/inet_sock.h:208: warning: ISO C90 forbids mixed declarations and code Cc: Johannes Berg <johannes@sipsolutions.net> Acked-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf_event, powerpc: Fix compilation after big perf_counter rename
2009-09-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck: kmemcheck: add missing braces to do-while in kmemcheck_annotate_bitfield kmemcheck: update documentation kmemcheck: depend on HAVE_ARCH_KMEMCHECK kmemcheck: remove useless check kmemcheck: remove duplicated #include
2009-09-22Merge branch 'for-2.6.32' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'for-2.6.32' of git://linux-nfs.org/~bfields/linux: (68 commits) nfsd4: nfsv4 clients should cross mountpoints nfsd: revise 4.1 status documentation sunrpc/cache: avoid variable over-loading in cache_defer_req sunrpc/cache: use list_del_init for the list_head entries in cache_deferred_req nfsd: return success for non-NFS4 nfs4_state_start nfsd41: Refactor create_client() nfsd41: modify nfsd4.1 backchannel to use new xprt class nfsd41: Backchannel: Implement cb_recall over NFSv4.1 nfsd41: Backchannel: cb_sequence callback nfsd41: Backchannel: Setup sequence information nfsd41: Backchannel: Server backchannel RPC wait queue nfsd41: Backchannel: Add sequence arguments to callback RPC arguments nfsd41: Backchannel: callback infrastructure nfsd4: use common rpc_cred for all callbacks nfsd4: allow nfs4 state startup to fail SUNRPC: Defer the auth_gss upcall when the RPC call is asynchronous nfsd4: fix null dereference creating nfsv4 callback client nfsd4: fix whitespace in NFSPROC4_CLNT_CB_NULL definition nfsd41: sunrpc: add new xprt class for nfsv4.1 backchannel sunrpc/cache: simplify cache_fresh_locked and cache_fresh_unlocked. ...
2009-09-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits) trivial: fix typo in aic7xxx comment trivial: fix comment typo in drivers/ata/pata_hpt37x.c trivial: typo in kernel-parameters.txt trivial: fix typo in tracing documentation trivial: add __init/__exit macros in drivers/gpio/bt8xxgpio.c trivial: add __init macro/ fix of __exit macro location in ipmi_poweroff.c trivial: remove unnecessary semicolons trivial: Fix duplicated word "options" in comment trivial: kbuild: remove extraneous blank line after declaration of usage() trivial: improve help text for mm debug config options trivial: doc: hpfall: accept disk device to unload as argument trivial: doc: hpfall: reduce risk that hpfall can do harm trivial: SubmittingPatches: Fix reference to renumbered step trivial: fix typos "man[ae]g?ment" -> "management" trivial: media/video/cx88: add __init/__exit macros to cx88 drivers trivial: fix typo in CONFIG_DEBUG_FS in gcov doc trivial: fix missing printk space in amd_k7_smp_check trivial: fix typo s/ketymap/keymap/ in comment trivial: fix typo "to to" in multiple files trivial: fix typos in comments s/DGBU/DBGU/ ...
2009-09-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: Remove duplicate Kconfig entry HID: consolidate connect and disconnect into core code HID: fix non-atomic allocation in hid_input_report
2009-09-22input: add a driver for the Winbond WPCD376I Consumer IR hardwareDavid Härdeman
Add a driver for the the Consumer IR (CIR) functionality of the Winbond WPCD376I chipset (found on e.g. Intel DG45FC motherboards). Signed-off-by: David Härdeman <david@hardeman.nu> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22pnp: add a shutdown method to pnp driversDavid Härdeman
The shutdown method is used by the winbond cir driver to setup the hardware for wake-from-S5. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: David Härdeman <david@hardeman.nu> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22hwmon: applesmc: restore accelerometer and keyboard backlight on resumeHenrik Rydberg
On resume from suspend, the driver currently resets the logical state as if it was brought up from halt. This patch uses the dev_pm_ops.resume/restore methods to synchronize the hardware with the memorized logical state, in effect bringing back the accelerometer and backlight to the state prior to suspend. Works for both suspend to ram and hibernation. The patch has zero effect on the running state. Signed-off-by: Henrik Rydberg <rydberg@euromail.se> Cc: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22hwmon: fix freeing of gpio_data and irqRoel Kluin
If already requested, gpio_data and irq should be freed in the case of an error. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22drivers/hwmon/adm1021.c: add low_power support for adm1021 driverMichael Abbott
Occasionally it is helpful to be able to turn a temperature sensor off (for example if it's making unwanted electrical noise). This patch adds a sysfs node to put any adm1021 compatible device into low power mode. Signed-off-by: Michael Abbott <michael.abbott@diamond.ac.uk> 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>
2009-09-22drivers/hwmon/adm1021.c: support high precision ADM1023 remote sensorMichael Abbott
The ADM1023 temperature sensor supports higher resolution for its external sensor (sensitivity of 1/8 deg C). This patch makes this higher resolution available through the appropriate temperature sysfs nodes. Curiously, this functionality was available in the 2.4 kernel driver (but formatted in a less helpful manner). Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Michael Abbott <michael.abbott@diamond.ac.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22lis3_spi: code cleanupsDaniel Mack
Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22lis3: add power management functionsDaniel Mack
This enabled power management functions for the SPI transport layer of the lis3 devices. The device's suspend mode is only entered in case no wakeup threshold has been given. In this case, the device is supposed to wake up the system and must thus not be put to deep sleep. [randy.dunlap@oracle.com: fix lis3-spi for CONFIG_PM=n] Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Eric Piel <eric.piel@tremplin-utc.net> 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>
2009-09-22lis3: add free-fall/wakeup function via platform_dataDaniel Mack
This offers a way for platforms to define flags and thresholds for the free-fall/wakeup functions of the lis302d chips. More registers needed to be seperated as they are specific to the Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22lis3: fix typoDaniel Mack
Bit 0x80 in CTRL_REG3 is an ACTIVE_LOW rather than an ACTIVE_HIGH function, I got that wrong during my last change. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Eric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22drivers/hwmon/coretemp.c: enable the Intel AtomMichael Riepe
Enable the coretemp driver on an Intel Atom. I'm not sure if the readings are correct, however - on my 330, the driver reports values between 27 and 41 °C (with core1 being about 8°C hotter than core0, given the same load). Maybe the maximum temperature of 100 °C is wrong for Atom CPUs. Cc: Arjan van de Ven <arjan@infradead.org> Cc: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: add some common Blackfin checksMike Frysinger
Add checks for Blackfin-specific issues that seem to crop up from time to time. In particular, we have helper macros to break a 32bit address into the hi/lo parts, and we want to make sure people use the csync/ssync variant that includes fun anomaly workarounds. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: version 0.29Andy Whitcroft
Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: limit sN/uN matches to actual bit sizesAndy Whitcroft
Limit our type matcher to the s/u/le/be etc sizes that actually exist to prevent miss categorising s2 as a type. Fix up the spelling of the error also. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: format strings should not have brackets in macrosAndy Whitcroft
We should not recommend braces for the following: #define pr_fmt(fmt) "%s: " fmt, __func__ allow things with double quotes round them to avoid this check. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: make -f alias --file, add --help, more verbose help messageHannes Eder
Impact: - More verbose help/usage message. - Make the option -f an alias for --file. - On -h, --help, and --version display help message and exit(0). - With no FILE(s) given, exit(1) with "no input files". - On invalid options display help/usage and exit(1). Based on a patch by Pavel Machek. Signed-off-by: Hannes Eder <hannes@hanneseder.net> Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: indent checks -- stop when we run out of continuation linesAndy Whitcroft
Ensure we terminate when there are no futher continuation lines when trying to determine relative indent of conditionals and their blocks. Reported-by: John Daiker <daikerjohn@gmail.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: handle C99 comments correctly (performance issue)Daniel Walker
This fixes the sanitation process in checkpatch.pl so that it blocks out the text after a C99 style comment the same way it does with block style comments. This prevents the text from getting processed as regular code. Signed-off-by: Daniel Walker <dwalker@fifo99.com> Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22checkpatch: possible types -- else cannot start a typeAndy Whitcroft
An else cannot start a type, it would have to be within a block after the else. This can trigger false modifier matching. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22flex_array: add missing kerneldoc annotationsDavid Rientjes
Add kerneldoc annotations for function formals of type struct flex_array and gfp_t which are currently lacking. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22flex_array: introduce DEFINE_FLEX_ARRAYDavid Rientjes
FLEX_ARRAY_INIT(element_size, total_nr_elements) cannot determine if either parameter is valid, so flex arrays which are statically allocated with this interface can easily become corrupted or reference beyond its allocated memory. This removes FLEX_ARRAY_INIT() as a struct flex_array initializer since no initializer may perform the required checking. Instead, the array is now defined with a new interface: DEFINE_FLEX_ARRAY(name, element_size, total_nr_elements) This may be prefixed with `static' for file scope. This interface includes compile-time checking of the parameters to ensure they are valid. Since the validity of both element_size and total_nr_elements depend on FLEX_ARRAY_BASE_SIZE and FLEX_ARRAY_PART_SIZE, the kernel build will fail if either of these predefined values changes such that the array parameters are no longer valid. Since BUILD_BUG_ON() requires compile time constants, several of the static inline functions that were once local to lib/flex_array.c had to be moved to include/linux/flex_array.h. Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22flex_array: add flex_array_shrink functionDavid Rientjes
Add a new function to the flex_array API: int flex_array_shrink(struct flex_array *fa) This function will free all unused second-level pages. Since elements are now poisoned if they are not allocated with __GFP_ZERO, it's possible to identify parts that consist solely of unused elements. flex_array_shrink() returns the number of pages freed. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22flex_array: poison free elementsDavid Rientjes
Newly initialized flex_array's and/or flex_array_part's are now poisoned with a new poison value, FLEX_ARRAY_FREE. It's value is similar to POISON_FREE used in the various slab allocators, but is different to distinguish between flex array's poisoned kmem and slab allocator poisoned kmem. This will allow us to identify flex_array_part's that only contain free elements (and free them with an addition to the flex_array API). This could also be extended in the future to identify `get' uses on elements that have not been `put'. If __GFP_ZERO is passed for a part's gfp mask, the poisoning is avoided. These elements are considered to be in-use since they have been initialized. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22flex_array: add flex_array_clear functionDavid Rientjes
Add a new function to the flex_array API: int flex_array_clear(struct flex_array *fa, unsigned int element_nr) This function will zero the element at element_nr in the flex_array. Although this is equivalent to using flex_array_put() and passing a pointer to zero'd memory, flex_array_clear() does not require such a pointer to memory that would most likely need to be allocated on the caller's stack which could be significantly large depending on element_size. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22vsprintf: use WARN_ON_ONCEMarcin Slusarz
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22MAINTAINERS: move ARM lists to infradeadJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Cc: Krzysztof Halasa <khc@pm.waw.pl> 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>
2009-09-22MAINTAINERS: integrate P:/M: linesJoe Perches
A couple of new uses of separate "P: name" "M: address" lines are converted to single line "M: name <address>" Signed-off-by: Joe Perches <joe@perches.com> Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com> Cc: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22MAINTAINERS: omap: fix regexFelipe Contreras
Otherwise 'arch/arm/*omap*/foo.c' wouldn't match Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22MAINTAINERS: acpi: add 'include/acpi'Felipe Contreras
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add maintainers in order listed in matched sectionJoe Perches
Previous behavior was "bottom-up" in each section from the pattern "F:" entry that matched. Now information is entered into the various lists in the "as entered" order for each matched section. This also allows the F: entry to be put anywhere in a section, not just as the last entries in the section. And a couple of improvements: Don't alphabetically sort before outputting the matched scm, status, subsystem and web sections. Ignore content after a single email address so these entries are acceptable M: name <address> whatever other comment And a fix: Make an M: entry without a name again use the name from an immediately preceding P: line if it exists. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add --remove-duplicatesJoe Perches
Allow control over the elimination of duplicate email names and addresses --remove-duplicates will use the first email name or address presented --noremove-duplicates will emit all names and addresses --remove-duplicates is enabled by default For instance: $ ./scripts/get_maintainer.pl -f drivers/char/tty_ioctl.c Greg Kroah-Hartman <gregkh@suse.de> Alan Cox <alan@linux.intel.com> Mike Frysinger <vapier@gentoo.org> Alexey Dobriyan <adobriyan@gmail.com> linux-kernel@vger.kernel.org $ ./scripts/get_maintainer.pl -f --noremove-duplicates drivers/char/tty_ioctl.c Greg Kroah-Hartman <gregkh@suse.de> Alan Cox <alan@redhat.com> Alan Cox <alan@linux.intel.com> Alan Cox <alan@lxorguk.ukuu.org.uk> Mike Frysinger <vapier@gentoo.org> Alexey Dobriyan <adobriyan@gmail.com> linux-kernel@vger.kernel.org Using --remove-duplicates could eliminate multiple maintainers that share the same name but not the same email address. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: using --separator implies --nomultilineJoe Perches
If a person sets a separator, it's only used if --nomultiline is set. Don't make the command line also include --nomultiline in that case. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add .mailmap use, shell and email cleanupsJoe Perches
Add reading and using .mailmap file if it exists Convert address entries in .mailmap to first encountered address Don't terminate shell commands with \n Strip characters found after sign-offs by: name <address> [stripped] Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: better email routines, use perl not shell where ↵Joe Perches
possible Added format_email and parse_email routines to reduce inline use. Added email_address_inuse to eliminate multiple maintainer entries for the same email address, the first name encountered is used. Used internal perl equivalents of shell cmd use of grep|cut|sort|uniq Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add --pattern-depthJoe Perches
--pattern-depth is used to control how many levels of directory traversal should be performed to find maintainers. default is 0 (all directory levels). For instance: MAINTAINERS currently has multiple M: and F: entries that match net/netfilter/ipvs/ip_vs_app.c IPVS M: Wensong Zhang <wensong@linux-vs.org> M: Simon Horman <horms@verge.net.au> M: Julian Anastasov <ja@ssi.bg> [...] F: net/netfilter/ipvs/ NETFILTER/IPTABLES/IPCHAINS [...] M: Patrick McHardy <kaber@trash.net> [...] F: net/netfilter/ NETWORKING [GENERAL] M: "David S. Miller" <davem@davemloft.net> [...] F: net/ THE REST M: Linus Torvalds <torvalds@linux-foundation.org> [...] F: */ Using this command will return all of those maintainers: (except Linus unless --git-chief-maintainers is specified) $ ./scripts/get_maintainer.pl --nogit -nol \ -f net/netfilter/ipvs/ip_vs_app.c Julian Anastasov <ja@ssi.bg> Simon Horman <horms@verge.net.au> Wensong Zhang <wensong@linux-vs.org> Patrick McHardy <kaber@trash.net> David S. Miller <davem@davemloft.net> Adding --pattern-depth=1 will match at the deepest level $ ./scripts/get_maintainer.pl --nogit -nol --pattern-depth=1 \ -f net/netfilter/ipvs/ip_vs_app.c Julian Anastasov <ja@ssi.bg> Simon Horman <horms@verge.net.au> Wensong Zhang <wensong@linux-vs.org> Adding --pattern-depth=2 will match at the deepest level and 1 higher $ ./scripts/get_maintainer.pl --nogit -nol --pattern-depth=2 \ -f net/netfilter/ipvs/ip_vs_app.c Julian Anastasov <ja@ssi.bg> Simon Horman <horms@verge.net.au> Wensong Zhang <wensong@linux-vs.org> Patrick McHardy <kaber@trash.net> and so on. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add sections in pattern match depth orderJoe Perches
Before this change, matched sections were added in the order of appearance in the normally alphabetic section order of the MAINTAINERS file. For instance, finding the maintainer for drivers/scsi/wd7000.c would first find "SCSI SUBSYSTEM", then "WD7000 SCSI SUBSYSTEM", then "THE REST". before patch: $ ./scripts/get_maintainer.pl --nogit -f drivers/scsi/wd7000.c James E.J. Bottomley <James.Bottomley@HansenPartnership.com> Miroslav Zagorac <zaga@fly.cc.fer.hr> linux-scsi@vger.kernel.org linux-kernel@vger.kernel.org get_maintainer.pl now selects matched sections by longest pattern match. Longest is the number of "/"s and any specific file pattern. This changes the example output order of MAINTAINERS to whatever is selected in "WD7000 SUBSYSTEM", then "SCSI SYSTEM", then "THE REST". after patch: $ ./scripts/get_maintainer.pl --nogit -f drivers/scsi/wd7000.c Miroslav Zagorac <zaga@fly.cc.fer.hr> James E.J. Bottomley <James.Bottomley@HansenPartnership.com> linux-scsi@vger.kernel.org linux-kernel@vger.kernel.org Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22scripts/get_maintainer.pl: add --git-blameJoe Perches
Julia Lawall suggested that get_maintainers.pl should have the ability to include signatories of commits that are modified by a particular patch. Vegard Nossum did something similar once. http://lkml.org/lkml/2008/5/29/449 The modified script looks the commits for all lines in the patch, and includes the "-by:" signatories for those commits. It uses the same git-min-percent, git-max-maintainers, and git-min-signatures options. git-since is ignored. It can be used independently from the --git default, so ./scripts/get_maintainers.pl --nogit --git-blame <patch> or ./scripts/get_maintainers.pl --nogit --git-blame -f <file> is acceptable. If used with -f <file>, all lines/commits for the file are checked. --git-blame can be slow if used with -f <file> --git-blame does not work with -f <directory> Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22MAINTAINERS: add IPVS include filesHannes Eder
Signed-off-by: Hannes Eder <heder@google.com> Cc: Joe Perches <joe@perches.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>
2009-09-22uml: fix order of pud and pmd_free()Roel Kluin
If pmd_alloc() fails we should only free the prior allocated pud, if pte_alloc_map() fails, we should free pmd as well. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22um: convert to asm-generic/hardirq.hChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22cpuidle: menu governor: reduce latency on exitCorrado Zoccolo
Move the state residency accounting and statistics computation off the hot exit path. On exit, the need to recompute statistics is recorded, and new statistics will be computed when menu_select is called again. The expected effect is to reduce processor wakeup latency from sleep (C-states). We are speaking of few hundreds of cycles reduction out of a several microseconds latency (determined by the hardware transition), so it is difficult to measure. Signed-off-by: Corrado Zoccolo <czoccolo@gmail.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Adam Belay <abelay@novell.com Acked-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22cpuidle: fix the menu governor to boost IO performanceArjan van de Ven
Fix the menu idle governor which balances power savings, energy efficiency and performance impact. The reason for a reworked governor is that there have been serious performance issues reported with the existing code on Nehalem server systems. To show this I'm sure Andrew wants to see benchmark results: (benchmark is "fio", "no cstates" is using "idle=poll") no cstates current linux new algorithm 1 disk 107 Mb/s 85 Mb/s 105 Mb/s 2 disks 215 Mb/s 123 Mb/s 209 Mb/s 12 disks 590 Mb/s 320 Mb/s 585 Mb/s In various power benchmark measurements, no degredation was found by our measurement&diagnostics team. Obviously a small percentage more power was used in the "fio" benchmark, due to the much higher performance. While it would be a novel idea to describe the new algorithm in this commit message, I cheaped out and described it in comments in the code instead. [changes since first post: spelling fixes from akpm, review feedback, folded menu-tng into menu.c] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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