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- 26 Mar, 2010 15 commits
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Peter Zijlstra authored
Implement ptrace-block-step using TIF_BLOCKSTEP which will set DEBUGCTLMSR_BTF when set for a task while preserving any other DEBUGCTLMSR bits. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20100325135414.017536066@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Peter Zijlstra authored
Support for the PMU's BTS features has been upstreamed in v2.6.32, but we still have the old and disabled ptrace-BTS, as Linus noticed it not so long ago. It's buggy: TIF_DEBUGCTLMSR is trampling all over that MSR without regard for other uses (perf) and doesn't provide the flexibility needed for perf either. Its users are ptrace-block-step and ptrace-bts, since ptrace-bts was never used and ptrace-block-step can be implemented using a much simpler approach. So axe all 3000 lines of it. That includes the *locked_memory*() APIs in mm/mlock.c as well. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Markus Metzger <markus.t.metzger@intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <20100325135413.938004390@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Peter Zijlstra authored
Move all debugctlmsr thingies into msr-index.h Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20100325135413.861425293@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Zhang, Yanmin authored
Reported-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1269557941-15617-6-git-send-email-acme@infradead.org> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Mostly used in symbol.c so move them there to reduce the number of files needed to use the symbol system. Also do some header adjustments with the same intent. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269557941-15617-5-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Just like in the kernel and also to remove the need to include perf.h in the symbol subsystem. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269557941-15617-4-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Thru series of refactorings functions were being renamed but not moved to map.c to reduce patch noise, now lets have them in the same place so that use of the symbol system by tools can be constrained to building and linking fewer source files: symbol.c, map.c and rbtree.c. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269557941-15617-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
To reduce the coupling of the symbol system with the rest of perf. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269557941-15617-2-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
So that we ensure that the symbol asked for annotation really is in the DSO we are interested in. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-6-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
We need this to know where a symbol in a callchain came from, for various reasons, among them precise annotation from a TUI/GUI tool. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-5-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
That will be in both struct hist_entry and struct callchain_list, so that the TUI can store a pointer to the pair (map, symbol) in the trees where hist_entries and callchain_lists are present, to allow precise annotation instead of looking for the first symbol with the selected name. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-4-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Using the same parameter as in 'perf report', allowing to specify just one and disambiguate between DSOs that have the symbol of interest. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
We were performing the full thread__find_addr_location operation, i.e. resolving to a map/dso _and_ loading its symbols when we can optimize it by first calling thread__find_addr_map to find just the map/dso, check if it is one that we are interested in (passed via --dsos/-d in 'perf annotate', 'perf report', etc) and if not avoid loading the symtab. Nice speedup when we know which DSO we're interested in. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-2-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Right now it presents a menu with these options: +------------------------------+ | Annotate CURRENT_SYMBOL_NAME | | Exit | +------------------------------+ If the highlighted (current) symbol is not annotatable only the "Exit" option will appear. Also add a confirmation dialog when ESC is pressed on the top level to avoid exiting the application by pressing one too many ESC key. To get to the menu just press the -> (Right navigation key), to exit just press ESC. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269459619-982-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Cyrill Gorcunov authored
The adding of raw event support lead to complete code refactoring. I hope is became more readable then it was. The list of changes: 1) The 64bit config field is enough to hold all information we need to track event details. To achieve it we used *own* enum for events selection in ESCR register and map this key into proper value at moment of event enabling. For the same reason we use 12LSB bits in CCCR register -- to track which exactly cache trace event was requested. And we cear this bits at real 'write' moment. 2) There is no per-cpu area reserved for P4 PMU anymore. We don't need it. All is held by config. 3) Now we may use any available counter, ie we try to grab any possible counter. v2: - Lin Ming reported the lack of ESCR selector in CCCR for cache events v3: - Don't loose cache event codes at config unpacking procedure, we may need it one day so no obscure hack behind our back, better to clear reserved bits explicitly when needed (thanks Ming for pointing out) - Lin Ming fixed misplaced opcodes in cache events Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Tested-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1269403766.3409.6.camel@minggr.sh.intel.com> [ v4: did a few whitespace fixlets ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 23 Mar, 2010 1 commit
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Arnaldo Carvalho de Melo authored
[root@doppio ~]# perf archive Now please run: $ tar xvf perf.data.tar.bz2 -C ~/.debug wherever you need to run 'perf report' on. [root@doppio ~]# Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269365638-10223-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 22 Mar, 2010 8 commits
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Arnaldo Carvalho de Melo authored
Starts collapsed, allows annotating by pressing 'A' or 'a' on the symbol, be it the top level one or any of the symbols in the chains. It (ab)uses the only tree widget in newt, that is actually a checkbox tree that we use with just one option ('.'), end result is usable but we really need to create a custom widget tree so that we can use the data structures we have (hist_entry rb_tree + callchain rb_tree + lists), so that we reduce the memory footprint by not creating a mirror set of data structures in the newtCheckboxTree widget. Thanks to Frédéric Weisbacker for fixing the orphanage problem in 301fde27, without that we were tripping a newt bug (fix already sent to newt's maintainer). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Avi Kivity <avi@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269291169-29820-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
If not the screen will get garbled when using newt. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269274229-20442-5-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Before: [acme@doppio linux-2.6-tip]$ perf stat -a sleep 1s Performance counter stats for 'sleep 1s': <not counted> task-clock-msecs <not counted> context-switches <not counted> CPU-migrations <not counted> page-faults <not counted> cycles <not counted> instructions <not counted> branches <not counted> branch-misses <not counted> cache-references <not counted> cache-misses 1.016998463 seconds time elapsed [acme@doppio linux-2.6-tip]$ Now: [acme@doppio linux-2.6-tip]$ perf stat -a sleep 1s No permission to collect system-wide stats. Consider tweaking /proc/sys/kernel/perf_event_paranoid. [acme@doppio linux-2.6-tip]$ Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269274229-20442-4-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Masami Hiramatsu authored
Add NO_DWARF make option for testing build without libdw. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1269274229-20442-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Masami Hiramatsu authored
Cleanup debuginfo related code to eliminate fragile code which pointed by Ingo (Thanks!). 1) Invert logic of NO_DWARF_SUPPORT to DWARF_SUPPORT. 2) For removing assymetric/local variable ifdefs, introduce more helper functions. 3) Change options order to reduce the number of ifdefs. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1269274229-20442-2-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Arnaldo Carvalho de Melo authored
Show an OK message box with the last message sent via pr_err, etc. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1269274229-20442-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Frederic Weisbecker authored
Callchains have markers inside their capture to tell we enter a context (kernel, user, ...). Those are not displayed in the callchains but they are incidentally an active part of the radix tree where callchains are stored, just like any other address. If we have the two following callchains: addr1 -> addr2 -> user context -> addr3 addr1 -> addr2 -> user context -> addr4 addr1 -> addr2 -> addr 5 This is pretty common if addr1 and addr2 are part of an interrupt path, addr3 and addr4 are user addresses and addr5 is a kernel non interrupt path. This will be stored as follows in the tree: addr1 addr2 / \ / addr5 user context / \ addr3 addr4 But we ignore the context markers in the report, hence the addr3 and addr4 will appear as orphan branches: |--28.30%-- hrtimer_interrupt | smp_apic_timer_interrupt | apic_timer_interrupt | | <------------- here, no parent! | | | | | |--11.11%-- 0x7fae7bccb875 | | | | | |--11.11%-- 0xffffffffff60013b | | | | | |--11.11%-- __pthread_mutex_lock_internal | | | | | |--11.11%-- __errno_location Fix this by removing the context markers when we process the callchains to the tree. Reported-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1269274173-20328-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar authored
Merge reason: Pick up latest perf fixes from upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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- 20 Mar, 2010 3 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: serial: sh-sci: remove duplicated #include sh: Export uncached helper symbols. sh: Fix up NUMA build for 29-bit. serial: sh-sci: Fix build failure for non-sh architectures. sh: Fix up uncached offset for legacy 29-bit mode. sh: Support CPU affinity masks for INTC controllers.
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git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwbLinus Torvalds authored
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: uwb: remove duplicate cpu_to_le16() uwb: declare MODULE_FIRMWARE() in i1480 DFU driver uwb: make USB device id table constant uwb: wlp: refactor wlp_get_<attribute>() macros
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- 19 Mar, 2010 13 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha-2.6: alpha: fix compile errors in dma-mapping-common.h alpha: remove trailing spaces in messages alpha: use __ratelimit
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Remove IOMMU_VMERGE config option powerpc: Fix swiotlb to respect the boot option powerpc: Do not call prink when CONFIG_PRINTK is not defined powerpc: Use correct ccr bit for syscall error status powerpc/fsl-booke: Get coherent bit from PTE powerpc/85xx: Make sure lwarx hint isn't set on ppc32
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6Linus Torvalds authored
* 'zerolen' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6: Delete zero-length file drivers/mtd/maps/omap_nor.c
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty_port,usb-console: Fix usb serial console open/close regression tty: cpm_uart: use resource_size() tty_buffer: Fix distinct type warning hvc_console: Fix race between hvc_close and hvc_remove uartlite: Fix build on sparc. tty: Take a 256 byte padding into account when buffering below sub-page units Revert "tty: Add a new VT mode which is like VT_PROCESS but doesn't require a VT_RELDISP ioctl call"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: driver core: numa: fix BUILD_BUG_ON for node_read_distance driver-core: document ERR_PTR() return values kobject: documentation: Update to refer to kset-example.c. sysdev: the cpu probe/release attributes should be sysdev_class_attributes kobject: documentation: Fix erroneous example in kobject doc. driver-core: fix missing kernel-doc in firmware_class Driver core: Early platform kernel-doc update sysfs: fix sysfs lockdep warning in mlx4 code sysfs: fix sysfs lockdep warning in infiniband code sysfs: fix sysfs lockdep warning in ipmi code sysfs: Initialised pci bus legacy_mem field before use sysfs: use sysfs_bin_attr_init in firmware class driver
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (45 commits) USB: gadget/multi: cdc_do_config: remove redundant check usb: r8a66597-hcd: fix removed from an attached hub USB: xhci: Make endpoint interval debugging clearer. USB: Fix usb_fill_int_urb for SuperSpeed devices USB: cp210x: Remove double usb_control_msg from cp210x_set_config USB: Remove last bit of CONFIG_USB_BERRY_CHARGE USB: gadget: add gadget controller number for s3c-hsotg driver USB: ftdi_sio: Fix locking for change_speed() function USB: g_mass_storage: fixed module name in Kconfig USB: gadget: f_mass_storage::fsg_bind(): fix error handling USB: g_mass_storage: fix section mismatch warnings USB: gadget: fix Blackfin builds after gadget cleansing USB: goku_udc: remove potential null dereference USB: option.c: Add Pirelli VID/PID and indicate Pirelli's modem interface is 0xff USB: serial: Fix module name typo for qcaux Kconfig entry. usb: cdc-wdm: Fix deadlock between write and resume usb: cdc-wdm: Fix order in disconnect and fix locking usb: cdc-wdm:Fix loss of data due to autosuspend usb: cdc-wdm: Fix submission of URB after suspension usb: cdc-wdm: Fix race between disconnect and debug messages ...
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Jeff Garzik authored
The content was deleted in cc87edb1, but the file remained as a zero-length file. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (205 commits) ceph: update for write_inode API change ceph: reset osd after relevant messages timed out ceph: fix flush_dirty_caps race with caps migration ceph: include migrating caps in issued set ceph: fix osdmap decoding when pools include (removed) snaps ceph: return EBADF if waiting for caps on closed file ceph: set osd request message front length correctly ceph: reset front len on return to msgpool; BUG on mismatched front iov ceph: fix snaptrace decoding on cap migration between mds ceph: use single osd op reply msg ceph: reset bits on connection close ceph: remove bogus mds forward warning ceph: remove fragile __map_osds optimization ceph: fix connection fault STANDBY check ceph: invalidate_authorizer without con->mutex held ceph: don't clobber write return value when using O_SYNC ceph: fix client_request_forward decoding ceph: drop messages on unregistered mds sessions; cleanup ceph: fix comments, locking in destroy_inode ceph: move dereference after NULL test ... Fix trivial conflicts in Documentation/ioctl/ioctl-number.txt
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: trivial white space [CIFS] checkpatch cleanup cifs: add cifs_revalidate_file cifs: add a CIFSSMBUnixQFileInfo function cifs: add a CIFSSMBQFileInfo function cifs: overhaul cifs_revalidate and rename to cifs_revalidate_dentry
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Peter Korsgaard authored
cdc_do_config() had a double ret check after fsg_add(). Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Yoshihiro Shimoda authored
fix the problem that when a USB hub is attached to the r8a66597-hcd and a device is removed from that hub, it's likely that a kernel panic follows. Reported-by: Markus Pietrek <Markus.Pietrek@emtrion.de> Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sarah Sharp authored
The xHCI hardware can only handle polling intervals that are a power of two. When we add a new endpoint during a bandwidth allocation, and the polling interval is rounded down to a power of two, print the original polling interval in the endpoint descriptor. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Matthew Wilcox authored
USB 3 and Wireless USB specify a logarithmic encoding of the endpoint interval that matches the USB 2 specification. usb_fill_int_urb() didn't know that and was filling in the interval as if it was USB 1.1. Fix usb_fill_int_urb() for SuperSpeed devices, but leave the wireless case alone, because David Vrabel wants to keep the old encoding. Update the struct urb kernel doc to note that SuperSpeed URBs must have urb->interval specified in microframes. Add a missing break statement in the usb_submit_urb() interrupt URB checking, since wireless USB and SuperSpeed USB encode urb->interval differently. This allows xHCI roothubs to actually register with khubd. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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