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2009-04-14Merge branch 'linus' into tracing/coreIngo Molnar
Merge reason: merge latest tracing fixes to avoid conflicts in kernel/trace/trace_events_filter.c with upcoming change Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-14tracing/infrastructure: separate event tracer from event supportTom Zanussi
Add a new config option, CONFIG_EVENT_TRACING that gets selected when CONFIG_TRACING is selected and adds everything needed by the stuff in trace_export - basically all the event tracing support needed by e.g. bprint, minus the actual events, which are only included if CONFIG_EVENT_TRACER is selected. So CONFIG_EVENT_TRACER can be used to turn on or off the generated events (what I think of as the 'event tracer'), while CONFIG_EVENT_TRACING turns on or off the base event tracing support used by both the event tracer and the other things such as bprint that can't be configured out. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: fweisbec@gmail.com LKML-Reference: <1239178441.10295.34.camel@tropicana> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-14ring-buffer: add ring_buffer_discard_commitSteven Rostedt
The ring_buffer_discard_commit is similar to ring_buffer_event_discard but it can only be done on an event that has yet to be commited. Unpredictable results can happen otherwise. The main difference between ring_buffer_discard_commit and ring_buffer_event_discard is that ring_buffer_discard_commit will try to free the data in the ring buffer if nothing has addded data after the reserved event. If something did, then it acts almost the same as ring_buffer_event_discard followed by a ring_buffer_unlock_commit. Note, either ring_buffer_commit_discard and ring_buffer_unlock_commit can be called on an event, not both. This commit also exports both discard functions to be usable by GPL modules. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-13Merge 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: (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. Wysocki
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 branch 'tracing-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * '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 ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * '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
2009-04-13Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c: Let new-style drivers implement attach_adapter i2c: Fix sparse warnings for I2C_BOARD_INFO() i2c-voodoo3: Deprecate in favor of tdfxfb i2c-algo-pca: Fix use of uninitialized variable in debug message
2009-04-13add some long-missing capabilities to fs_maskSerge E. Hallyn
When POSIX capabilities were introduced during the 2.1 Linux cycle, the fs mask, which represents the capabilities which having fsuid==0 is supposed to grant, did not include CAP_MKNOD and CAP_LINUX_IMMUTABLE. However, before capabilities the privilege to call these did in fact depend upon fsuid==0. This patch introduces those capabilities into the fsmask, restoring the old behavior. See the thread starting at http://lkml.org/lkml/2009/3/11/157 for reference. Note that if this fix is deemed valid, then earlier kernel versions (2.4 and 2.2) ought to be fixed too. Changelog: [Mar 23] Actually delete old CAP_FS_SET definition... [Mar 20] Updated against J. Bruce Fields's patch Reported-by: Igor Zhbanov <izh1979@gmail.com> Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Cc: stable@kernel.org Cc: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-13Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: percpu: unbreak alpha percpu mutex: have non-spinning mutexes on s390 by default
2009-04-13i2c: Fix sparse warnings for I2C_BOARD_INFO()Ben Hutchings
Since the first argument to I2C_BOARD_INFO() must be a string constant, there is no need to parenthesise it, and adding parentheses results in an invalid initialiser for char[]. gcc obviously accepts this syntax as an extension, but sparse complains, e.g.: drivers/net/sfc/boards.c:173:2: warning: array initialized from parenthesized string constant Therefore, remove the parentheses. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2009-04-12lockdep: warn about lockdep disabling after kernel taintFrederic Weisbecker
Impact: provide useful missing info for developers Kernel taint can occur in several situations such as warnings, load of prorietary or staging modules, bad page, etc... But when such taint happens, a developer might still be working on the kernel, expecting that lockdep is still enabled. But a taint disables lockdep without ever warning about it. Such a kernel behaviour doesn't really help for kernel development. This patch adds this missing warning. Since the taint is done most of the time after the main message that explain the real source issue, it seems safe to warn about it inside add_taint() so that it appears at last, without hurting the main information. v2: Use a generic helper to disable lockdep instead of an open coded xchg(). Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1239412638-6739-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-12tracing, kmemtrace: Make kmem tracepoints use TRACE_EVENT macroZhaolei
TRACE_EVENT is a more generic way to define tracepoints. Doing so adds these new capabilities to this tracepoint: - zero-copy and per-cpu splice() tracing - binary tracing without printf overhead - structured logging records exposed under /debug/tracing/events - trace events embedded in function tracer output and other plugins - user-defined, per tracepoint filter expressions Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Acked-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <49DEE6DA.80600@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-12tracing, kmemtrace: Separate include/trace/kmemtrace.h to kmemtrace part and ↵Zhaolei
tracepoint part Impact: refactor code for future changes Current kmemtrace.h is used both as header file of kmemtrace and kmem's tracepoints definition. Tracepoints' definition file may be used by other code, and should only have definition of tracepoint. We can separate include/trace/kmemtrace.h into 2 files: include/linux/kmemtrace.h: header file for kmemtrace include/trace/kmem.h: definition of kmem tracepoints Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Acked-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <49DEE68A.5040902@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10Remove stale include/asm-mn10300/.gitignore fileLinus Torvalds
Requested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-10percpu: unbreak alpha percpuTejun Heo
For the time being, move the generic percpu_*() accessors to linux/percpu.h. asm-generic/percpu.h is meant to carry generic stuff for low level stuff - declarations, definitions and pointer offset calculation and so on but not for generic interface. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300: Separate out the proc- and unit-specific header directories from the general Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
2009-04-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-frvLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-frv: FRV: Move to arch/frv/include/asm/ FRV: Fix indentation errors to keep git-am happy when moving arch header files
2009-04-10Make __stringify support variable argument macros tooZhaolei
For example: __stringify(__entry->irq, __entry->ret) will now convert it to: "REC->irq, REC->ret" It also still supports single arguments as the old macro did. Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <49DC6751.30308@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.David Howells
Signed-off-by: David Howells <dhowells@redhat.com>
2009-04-10tracing, net, skb tracepoint: make skb tracepoint use the TRACE_EVENT() macroZhaolei
TRACE_EVENT is a more generic way to define a tracepoint. Doing so adds these new capabilities to this tracepoint: - zero-copy and per-cpu splice() tracing - binary tracing without printf overhead - structured logging records exposed under /debug/tracing/events - trace events embedded in function tracer output and other plugins - user-defined, per tracepoint filter expressions Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: "Steven Rostedt ;" <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <49DD90D2.5020604@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10tracing/lockdep: report the time waited for a lockFrederic Weisbecker
While trying to optimize the new lock on reiserfs to replace the bkl, I find the lock tracing very useful though it lacks something important for performance (and latency) instrumentation: the time a task waits for a lock. That's what this patch implements: bash-4816 [000] 202.652815: lock_contended: lock_contended: &sb->s_type->i_mutex_key bash-4816 [000] 202.652819: lock_acquired: &rq->lock (0.000 us) <...>-4787 [000] 202.652825: lock_acquired: &rq->lock (0.000 us) <...>-4787 [000] 202.652829: lock_acquired: &rq->lock (0.000 us) bash-4816 [000] 202.652833: lock_acquired: &sb->s_type->i_mutex_key (16.005 us) As shown above, the "lock acquired" field is followed by the time it has been waiting for the lock. Usually, a lock contended entry is followed by a near lock_acquired entry with a non-zero time waited. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1238975373-15739-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10Merge branch 'tracing/urgent' into tracing/coreIngo Molnar
Merge reason: pick up both v2.6.30-rc1 [which includes tracing/urgent fixes] and pick up the current lineup of tracing/urgent fixes as well Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-10FRV: Move to arch/frv/include/asm/David Howells
Move arch headers from include/asm-frv/ to arch/frv/include/asm/. Signed-off-by: David Howells <dhowells@redhat.com>
2009-04-10FRV: Fix indentation errors to keep git-am happy when moving arch header filesDavid Howells
Fix indentation errors to keep git-am happy when moving arch header files. Signed-off-by: David Howells <dhowells@redhat.com>
2009-04-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (27 commits) xsysace: Fix dereferencing of cf_id after hd_driveid removal at91_ide: turn on PIO 6 support at91_ide: remove unused ide_mm_{outb,inb} ide-cd: reverse NOT_READY sense key logic ide: refactor tf_read() method ide: refactor tf_load() method ide: call write_devctl() method from tf_read() method ide: move common code out of tf_load() method ide: simplify 'struct ide_taskfile' ide: replace IDE_TFLAG_* flags by IDE_VALID_* ide-cd: fix intendation in cdrom_decode_status() ide-cd: unify handling of fs and pc requests in cdrom_decode_status() ide-cd: convert cdrom_decode_status() to use switch statements ide-cd: update debugging support ide-cd: respect REQ_QUIET for fs requests in cdrom_decode_status() ide: remove unused #include <linux/version.h> tx4939ide: Fix tx4939ide_{in,out}put_data_swap argument tx493[89]ide: Remove big endian version of tx493[89]ide_tf_{load,read} ide-cd: carve out an ide_cd_breathe()-helper for fs write requests ide-cd: move status checking into the IRQ handler ...
2009-04-09FRV: Use <asm-generic/pgtable.h> in NOMMU modeDavid Howells
asm-frv/pgtable.h could just #include <asm-generic/pgtable.h> in NOMMU mode rather than #defining macros for lazy MMU and CPU stuff. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-09Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: tracing: consolidate documents blktrace: pass the right pointer to kfree() tracing/syscalls: use a dedicated file header tracing: append a comma to INIT_FTRACE_GRAPH
2009-04-09Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: do not count frozen tasks toward load sched: refresh MAINTAINERS entry sched: Print sched_group::__cpu_power in sched_domain_debug cpuacct: add per-cgroup utime/stime statistics posixtimers, sched: Fix posix clock monotonicity sched_rt: don't allocate cpumask in fastpath cpuacct: make cpuacct hierarchy walk in cpuacct_charge() safe when rcupreempt is used -v2
2009-04-09Merge branches 'core-fixes-for-linus', 'irq-fixes-for-linus' and ↵Linus Torvalds
'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: printk: fix wrong format string iter for printk futex: comment requeue key reference semantics * 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: irq: fix cpumask memory leak on offstack cpumask kernels * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: posix-timers: fix RLIMIT_CPU && setitimer(CPUCLOCK_PROF) posix-timers: fix RLIMIT_CPU && fork() timers: add missing kernel-doc
2009-04-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dmLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm kcopyd: fix callback race dm kcopyd: prepare for callback race fix dm: implement basic barrier support dm: remove dm_request loop dm: rework queueing and suspension dm: simplify dm_request loop dm: split DMF_BLOCK_IO flag into two dm: rearrange dm_wq_work dm: remove limited barrier support dm: add integrity support
2009-04-09module: try_then_request_module must waitHerbert Xu
Since the whole point of try_then_request_module is to retry the operation after a module has been loaded, we must wait for the module to fully load. Otherwise all sort of things start breaking, e.g., you won't be able to read your encrypted disks on the first attempt. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Maciej Rutecki <maciej.rutecki@gmail.com> Tested-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-09sched: do not count frozen tasks toward loadNathan Lynch
Freezing tasks via the cgroup freezer causes the load average to climb because the freezer's current implementation puts frozen tasks in uninterruptible sleep (D state). Some applications which perform job-scheduling functions consult the load average when making decisions. If a cgroup is frozen, the load average does not provide a useful measure of the system's utilization to such applications. This is especially inconvenient if the job scheduler employs the cgroup freezer as a mechanism for preempting low priority jobs. Contrast this with using SIGSTOP for the same purpose: the stopped tasks do not count toward system load. Change task_contributes_to_load() to return false if the task is frozen. This results in /proc/loadavg behavior that better meets users' expectations. Signed-off-by: Nathan Lynch <ntl@pobox.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Nigel Cunningham <nigel@tuxonice.net> Tested-by: Nigel Cunningham <nigel@tuxonice.net> Cc: <stable@kernel.org> Cc: containers@lists.linux-foundation.org Cc: linux-pm@lists.linux-foundation.org Cc: Matt Helsley <matthltc@us.ibm.com> LKML-Reference: <20090408194512.47a99b95@manatee.lan> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-09tracing/syscalls: use a dedicated file headerFrederic Weisbecker
Impact: fix build warnings and possibe compat misbehavior on IA64 Building a kernel on ia64 might trigger these ugly build warnings: CC arch/ia64/ia32/sys_ia32.o In file included from arch/ia64/ia32/sys_ia32.c:55: arch/ia64/ia32/ia32priv.h:290:1: warning: "elf_check_arch" redefined In file included from include/linux/elf.h:7, from include/linux/module.h:14, from include/linux/ftrace.h:8, from include/linux/syscalls.h:68, from arch/ia64/ia32/sys_ia32.c:18: arch/ia64/include/asm/elf.h:19:1: warning: this is the location of the previous definition [...] sys_ia32.c includes linux/syscalls.h which in turn includes linux/ftrace.h to import the syscalls tracing prototypes. But including ftrace.h can pull too much things for a low level file, especially on ia64 where the ia32 private headers conflict with higher level headers. Now we isolate the syscall tracing headers in their own lightweight file. Reported-by: Tony Luck <tony.luck@intel.com> Tested-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Jason Baron <jbaron@redhat.com> Cc: "Frank Ch. Eigler" <fche@redhat.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Michael Rubin <mrubin@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Michael Davidson <md@google.com> LKML-Reference: <20090408184058.GB6017@nowhere> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08Merge git://git.infradead.org/battery-2.6Linus Torvalds
* git://git.infradead.org/battery-2.6: pda_power: Add optional OTG transceiver and voltage regulator support pcf50633_charger: Remove unused mbc_set_status function pcf50633_charger: Enable periodic charging restart
2009-04-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: igb: remove sysfs entry that was used to set the number of vfs igbvf: add new driver to support 82576 virtual functions drivers/net/eql.c: Fix a dev leakage. niu: Fix unused variable warning. r6040: set MODULE_VERSION bnx2: Don't use reserved names FEC driver: add missing #endif niu: Fix error handling mv643xx_eth: don't reset the rx coal timer on interface up smsc911x: correct debugging message on mii read timeout ethoc: fix library build errors netfilter: ctnetlink: fix regression in expectation handling netfilter: fix selection of "LED" target in netfilter netfilter: ip6tables regression fix
2009-04-09dm: remove limited barrier supportMikulas Patocka
Prepare for full barrier implementation: first remove the restricted support. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2009-04-08Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: x86 ACPI: Add support for Always Running APIC timer ACPI x86: Make aperf/mperf MSR access in acpi_cpufreq read_only ACPI x86: Cleanup acpi_cpufreq structures related to aperf/mperf ACPICA: delete check for AML access to port 0x81-83 ACPI: WMI: use .notify method instead of installing handler directly sony-laptop: use .notify method instead of installing handler directly panasonic-laptop: use .notify method instead of installing handler directly fujitsu-laptop: use .notify method instead of installing hotkey handler directly fujitsu-laptop: use .notify method instead of installing handler directly ACPI: video: use .notify method instead of installing handler directly ACPI: thermal: use .notify method instead of installing handler directly ACPI battery: fix async boot oops ACPI: delete acpi_device.g_list NULL noise: drivers/platform/x86/panasonic-laptop.c ACPI: cpufreq: remove dupilcated #include ACPI: Adjust Kelvin offset to match local implementation ACPI: convert acpi_device_lock spinlock to mutex
2009-04-08tty: MAX3100Alan Cox
Thou shalt remember to use 'git add' or errors shall be visited on your downloads and there shall be wrath from on list and much gnashing of teeth. Thou shalt remember to use git status or there shall be catcalls and much embarrasment shall come to pass. Signed-off-by: Alan "I'm hiding" Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2009-04-08ide: refactor tf_read() methodSergei Shtylyov
Simplify tf_read() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and factoring out the code that deals with the high order bytes into ide_tf_readback() to be called from the only two functions interested, ide_complete_cmd() and ide_dump_sector(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: refactor tf_load() methodSergei Shtylyov
Simplify tf_load() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and moving the code that deals with the high order bytes into the only function interested, do_rw_taskfile(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: simplify 'struct ide_taskfile'Sergei Shtylyov
Make 'struct ide_taskfile' cover only 8 register values and thus put two such fields ('tf' and 'hob') into 'struct ide_cmd', dropping unnecessary 'tf_array' field from it. This required changing the prototype of ide_get_lba_addr() and ide_tf_dump(). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> [bart: fix setting of ATA_LBA bit for LBA48 commands in __ide_do_rw_disk()] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: replace IDE_TFLAG_* flags by IDE_VALID_*Sergei Shtylyov
Replace IDE_TFLAG_{IN|OUT}_* flags meaning to the taskfile register validity on input/output by the IDE_VALID_* flags and introduce 4 symmetric 8-bit register validity indicator subfields, 'valid.{input/output}.{tf|hob}', into the 'struct ide_cmd' instead of using the 'tf_flags' field for that purpose (this field can then be turned from 32-bit into 8-bit one). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08tracing: append a comma to INIT_FTRACE_GRAPHTetsuo Handa
Impact: dont break future extensions of INIT_TASK While not a problem right now, due to lack of a comma, build fails if elements are appended to INIT_TASK() macro in development code: arch/x86/kernel/init_task.c:33: error: request for member `XXXXXXXXXX' in something not a structure or union arch/x86/kernel/init_task.c:33: error: initializer element is not constant arch/x86/kernel/init_task.c:33: error: (near initialization for `init_task.ret_stack') make[1]: *** [arch/x86/kernel/init_task.o] Error 1 make: *** [arch/x86/kernel] Error 2 Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: srostedt@redhat.com LKML-Reference: <200904080505.n3855hcn017109@www262.sakura.ne.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-04-08Merge branch 'next' into for-linusDmitry Torokhov
2009-04-07Merge branches 'release', 'APERF', 'ARAT', 'misc', 'kelvin', 'device-lock' ↵Len Brown
and 'bjorn.notify' into release
2009-04-07Merge branch 'core/softlockup' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core/softlockup' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: softlockup: make DETECT_HUNG_TASK default depend on DETECT_SOFTLOCKUP softlockup: move 'one' to the softlockup section in sysctl.c softlockup: ensure the task has been switched out once softlockup: remove timestamp checking from hung_task softlockup: convert read_lock in hung_task to rcu_read_lock softlockup: check all tasks in hung_task softlockup: remove unused definition for spawn_softlockup_task softlockup: fix potential race in hung_task when resetting timeout softlockup: fix to allow compiling with !DETECT_HUNG_TASK softlockup: decouple hung tasks check from softlockup detection
2009-04-07Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: branch tracer, intel-iommu: fix build with CONFIG_BRANCH_TRACER=y branch tracer: Fix for enabling branch profiling makes sparse unusable ftrace: Correct a text align for event format output Update /debug/tracing/README tracing/ftrace: alloc the started cpumask for the trace file tracing, x86: remove duplicated #include ftrace: Add check of sched_stopped for probe_sched_wakeup function-graph: add proper initialization for init task tracing/ftrace: fix missing include string.h tracing: fix incorrect return type of ns2usecs() tracing: remove CALLER_ADDR2 from wakeup tracer blktrace: fix pdu_len when tracing packet command requests blktrace: small cleanup in blk_msg_write() blktrace: NUL-terminate user space messages tracing: move scripts/trace/power.pl to scripts/tracing/power.pl
2009-04-07Merge branch 'irq/threaded' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq/threaded' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: fix devres.o build for GENERIC_HARDIRQS=n genirq: provide old request_irq() for CONFIG_GENERIC_HARDIRQ=n genirq: threaded irq handlers review fixups genirq: add support for threaded interrupts to devres genirq: add threaded interrupt handler support
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