Commit Graph

3572 Commits

Author SHA1 Message Date
Linus Torvalds ebe8054433 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull idle patches from Len Brown:
 "A pair of small patches for 3.9-rc7.

  This CPU-id should have been included in the ones that we updated
  earlier in 3.9.  This pair of patches will allow this flavor of
  Haswell to behave like the other flavors."

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: additional Haswell CPU-id
  intel_idle: additional Haswell CPU-id
2013-04-17 16:12:43 -07:00
Ingo Molnar a0bf225db7 perf/urgent fixes:
. perf probe: Fix segfault due to testing the wrong pointer for NULL,
   from Ananth N Mavinakayanahalli.
 
 . libtraceevent: Remove hard coded include to /usr/local/include in
   Makefile, which causes cross builds to include host header files,
   fix from Jack Mitchell.
 
 . perf record: Use the right target interface for synthesizing
   threads when --cpu/-C option is used, fix from Jiri Olsa.
 
 . Check if -DFORTIFY_SOURCE=2 is allowed, as gcc 4.7.2 defines
   it and then the build is broken when it is redefined in perf,
   fix from Marcin Slusarz.
 
 . Fix build with NO_NEWT=1, that can happen explicitely or when
   the newt-devel package is not installed, from Michael Ellerman.
 
 . perf/POWER7: Create a sysfs format entry for Power7 events, missing
   patch from a patchseries already merged, from Sukadev Bhattiprolu.
 
 . Fix LIBNUMA build with glibc 2.12 and older, from Vinson Lee.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

. perf probe: Fix segfault due to testing the wrong pointer for NULL,
  from Ananth N Mavinakayanahalli.

. libtraceevent: Remove hard coded include to /usr/local/include in
  Makefile, which causes cross builds to include host header files,
  fix from Jack Mitchell.

. perf record: Use the right target interface for synthesizing
  threads when --cpu/-C option is used, fix from Jiri Olsa.

. Check if -DFORTIFY_SOURCE=2 is allowed, as gcc 4.7.2 defines
  it and then the build is broken when it is redefined in perf,
  fix from Marcin Slusarz.

. Fix build with NO_NEWT=1, that can happen explicitely or when
  the newt-devel package is not installed, from Michael Ellerman.

. perf/POWER7: Create a sysfs format entry for Power7 events, missing
  patch from a patchseries already merged, from Sukadev Bhattiprolu.

. Fix LIBNUMA build with glibc 2.12 and older, from Vinson Lee.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-03-18 10:00:56 +01:00
Len Brown 149c2319c6 tools/power turbostat: additional Haswell CPU-id
There is an additional HSW CPU-id, 0x46,
which has C-states exactly like CPU-id 0x45.

Signed-off-by: Len Brown <len.brown@intel.com>
2013-03-15 11:05:26 -04:00
Vinson Lee d1398ccfec perf tools: Fix LIBNUMA build with glibc 2.12 and older.
The tokens MADV_HUGEPAGE and MADV_NOHUGEPAGE are not available with
glibc 2.12 and older. Define these tokens if they are not already
defined.

This patch fixes these build errors with older versions of glibc.

    CC bench/numa.o
bench/numa.c: In function ‘alloc_data’:
bench/numa.c:334: error: ‘MADV_HUGEPAGE’ undeclared (first use in this function)
bench/numa.c:334: error: (Each undeclared identifier is reported only once
bench/numa.c:334: error: for each function it appears in.)
bench/numa.c:341: error: ‘MADV_NOHUGEPAGE’ undeclared (first use in this function)
make: *** [bench/numa.o] Error 1

Signed-off-by: Vinson Lee <vlee@twitter.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Irina Tirdea <irina.tirdea@intel.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1363214064-4671-2-git-send-email-vlee@twitter.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-14 08:06:21 -03:00
Linus Torvalds ad8395e149 USB fixes for 3.9-rc2
Here are a number of tiny USB fixes and new USB device ids for your 3.9
 tree.
 
 The "largest" one here is a revert of a usb-storage patch that turned
 out to be incorrect, breaking existing users, which is never a good
 thing.  Everything else is pretty simple and small
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are a number of tiny USB fixes and new USB device ids for your
  3.9 tree.

  The "largest" one here is a revert of a usb-storage patch that turned
  out to be incorrect, breaking existing users, which is never a good
  thing.  Everything else is pretty simple and small"

* tag 'usb-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (43 commits)
  USB: quatech2: only write to the tty if the port is open.
  qcserial: bind to DM/DIAG port on Gobi 1K devices
  USB: cdc-wdm: fix buffer overflow
  usb: serial: Add Rigblaster Advantage to device table
  qcaux: add Franklin U600
  usb: musb: core: fix possible build error with randconfig
  usb: cp210x new Vendor/Device IDs
  usb: gadget: pxa25x: fix disconnect reporting
  usb: dwc3: ep0: fix sparc64 build
  usb: c67x00 RetryCnt value in c67x00 TD should be 3
  usb: Correction to c67x00 TD data length mask
  usb: Makefile: fix drivers/usb/phy/ Makefile entry
  USB: added support for Cinterion's products AH6 and PLS8
  usb: gadget: fix omap_udc build errors
  USB: storage: fix Huawei mode switching regression
  USB: storage: in-kernel modeswitching is deprecated
  tools: usb: ffs-test: Fix build failure
  USB: option: add Huawei E5331
  usb: musb: omap2430: fix sparse warning
  usb: musb: omap2430: fix omap_musb_mailbox glue check again
  ...
2013-03-13 15:03:48 -07:00
Ananth N Mavinakayanahalli 79146a69c8 perf probe: Fix segfault
Fix segfault in perf probe due to a bug introduced by commit d8639f068
(perf tools: Stop using 'self' in strlist).

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20130312090217.GC4668@in.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 17:00:33 -03:00
Jack Mitchell b9e8c37220 libtraceevent: Remove hard coded include to /usr/local/include in Makefile
having /usr/local/include hardcoded into the makefile is not necessary
as this is automatically included by GCC. It also infects cross-compile
builds with the host systems includes.

Signed-off-by: Jack Mitchell <jack.mitchell@dbbroadcast.co.uk>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1362741712-21308-1-git-send-email-ml@communistcode.co.uk
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 17:00:00 -03:00
Jiri Olsa e4dd45fe7a perf record: Fix -C option
Currently the -C option does not work for record command, because of the
targets mismatch when synthesizing threads.

Fixing this by using proper target interface for the synthesize
decision.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Reported-by: Oleg Nesterov <oleg@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1361785972-7431-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 16:58:28 -03:00
Marcin Slusarz d2f32479e5 perf tools: check if -DFORTIFY_SOURCE=2 is allowed
It seems gcc (4.7.2) defines _FORTIFY_SOURCE internally and becomes
confused when it sees another definition in flags.

For me, build failed like this:

CHK glibc
Makefile:548: *** No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static. Stop.

and only with V=1 it printed:

<command-line>:0:0: error: "_FORTIFY_SOURCE" redefined [-Werror]
<stdin>:1:0: note: this is the location of the previous definition

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1361113416-8662-1-git-send-email-marcin.slusarz@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 16:57:27 -03:00
Michael Ellerman 5f7439e078 perf report: Fix build with NO_NEWT=1
Commit ad0de09 "Enable the runtime switching of perf data file" broke
the build with NO_NEWT=1:

    CC builtin-report.o
builtin-report.c: In function '__cmd_report':
builtin-report.c:479:15: error: 'K_SWITCH_INPUT_DATA' undeclared (first use in this function)
builtin-report.c:479:15: note: each undeclared identifier is reported only once for each function it appears in
builtin-report.c: In function 'cmd_report':
builtin-report.c:823:13: error: 'K_SWITCH_INPUT_DATA' undeclared (first use in this function)
make: *** [builtin-report.o] Error 1

Fix it by adding a dummy definition of K_SWITCH_INPUT_DATA.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1361854923-1814-2-git-send-email-michael@ellerman.id.au
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 16:55:17 -03:00
Michael Ellerman 1e825efb57 perf annotate: Fix build with NO_NEWT=1
Commit 18c9e5c "Make it to be able to skip unannotatable symbols" broke
the build with NO_NEWT=1:

   CC builtin-annotate.o
builtin-annotate.c: In function 'hists__find_annotations':
builtin-annotate.c:161:4: error: duplicate case value
builtin-annotate.c:154:4: error: previously used here
make: *** [builtin-annotate.o] Error 1

This is because without NEWT support K_LEFT is #defined to -1 in
utils/hist.h

Fix it by shifting the K_LEFT/K_RIGHT #defines out of the likely range
of error values.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1361854923-1814-1-git-send-email-michael@ellerman.id.au
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-03-13 16:54:49 -03:00
Maxin B. John a0f11aceee tools: usb: ffs-test: Fix build failure
Fixes this build failure:
gcc -Wall -Wextra -g -lpthread -I../include -o testusb testusb.c
gcc -Wall -Wextra -g -lpthread -I../include -o ffs-test ffs-test.c
In file included from ffs-test.c:41:0:
../../include/linux/usb/functionfs.h:4:39: fatal error:
uapi/linux/usb/functionfs.h: No such file or directory
compilation terminated.
make: *** [ffs-test] Error 1

Signed-off-by: Maxin B. John <maxin.john@enea.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Cc: stable <stable@vger.kernel.org>  # 3.7+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-07 12:23:17 +08:00
Matt Fleming 123abd76ed efivars: efivarfs_valid_name() should handle pstore syntax
Stricter validation was introduced with commit da27a24383
("efivarfs: guid part of filenames are case-insensitive") and commit
47f531e8ba ("efivarfs: Validate filenames much more aggressively"),
which is necessary for the guid portion of efivarfs filenames, but we
don't need to be so strict with the first part, the variable name. The
UEFI specification doesn't impose any constraints on variable names
other than they be a NULL-terminated string.

The above commits caused a regression that resulted in users seeing
the following message,

  $ sudo mount -v /sys/firmware/efi/efivars mount: Cannot allocate memory

whenever pstore EFI variables were present in the variable store,
since their variable names failed to pass the following check,

    /* GUID should be right after the first '-' */
    if (s - 1 != strchr(str, '-'))

as a typical pstore filename is of the form, dump-type0-10-1-<guid>.
The fix is trivial since the guid portion of the filename is GUID_LEN
bytes, we can use (len - GUID_LEN) to ensure the '-' character is
where we expect it to be.

(The bogus ENOMEM error value will be fixed in a separate patch.)

Reported-by: Joseph Yasi <joe.yasi@gmail.com>
Tested-by: Joseph Yasi <joe.yasi@gmail.com>
Reported-by: Lingzhu Xiang <lxiang@redhat.com>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: <stable@vger.kernel.org> # v3.8
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2013-03-06 14:46:04 +00:00
Linus Torvalds 8fd5e7a2d9 ImgTec Meta architecture changes for v3.9-rc1
This adds core architecture support for Imagination's Meta processor
 cores, followed by some later miscellaneous arch/metag cleanups and
 fixes which I kept separate to ease review:
 
  - Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
  - A few fixes all over, particularly for symbol prefixes
  - A few privilege protection fixes
  - Several cleanups (setup.c includes, split out a lot of metag_ksyms.c)
  - Fix some missing exports
  - Convert hugetlb to use vm_unmapped_area()
  - Copy device tree to non-init memory
  - Provide dma_get_sgtable()
 
 Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull new ImgTec Meta architecture from James Hogan:
 "This adds core architecture support for Imagination's Meta processor
  cores, followed by some later miscellaneous arch/metag cleanups and
  fixes which I kept separate to ease review:

   - Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
   - A few fixes all over, particularly for symbol prefixes
   - A few privilege protection fixes
   - Several cleanups (setup.c includes, split out a lot of
     metag_ksyms.c)
   - Fix some missing exports
   - Convert hugetlb to use vm_unmapped_area()
   - Copy device tree to non-init memory
   - Provide dma_get_sgtable()"

* tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: (61 commits)
  metag: Provide dma_get_sgtable()
  metag: prom.h: remove declaration of metag_dt_memblock_reserve()
  metag: copy devicetree to non-init memory
  metag: cleanup metag_ksyms.c includes
  metag: move mm/init.c exports out of metag_ksyms.c
  metag: move usercopy.c exports out of metag_ksyms.c
  metag: move setup.c exports out of metag_ksyms.c
  metag: move kick.c exports out of metag_ksyms.c
  metag: move traps.c exports out of metag_ksyms.c
  metag: move irq enable out of irqflags.h on SMP
  genksyms: fix metag symbol prefix on crc symbols
  metag: hugetlb: convert to vm_unmapped_area()
  metag: export clear_page and copy_page
  metag: export metag_code_cache_flush_all
  metag: protect more non-MMU memory regions
  metag: make TXPRIVEXT bits explicit
  metag: kernel/setup.c: sort includes
  perf: Enable building perf tools for Meta
  metag: add boot time LNKGET/LNKSET check
  metag: add __init to metag_cache_probe()
  ...
2013-03-03 12:06:09 -08:00
James Hogan 1bea5b8188 perf: Enable building perf tools for Meta
Define rmb(), cpu_relax(), and CPUINFO_PROC for Meta so that the perf
tools can be built for Meta.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
2013-03-02 20:09:57 +00:00
Linus Torvalds e23b62256a Initial ARC Linux port with some fixes on top for 3.9-rc1
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Merge tag 'arc-v3.9-rc1-late' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull new ARC architecture from Vineet Gupta:
 "Initial ARC Linux port with some fixes on top for 3.9-rc1:

  I would like to introduce the Linux port to ARC Processors (from
  Synopsys) for 3.9-rc1.  The patch-set has been discussed on the public
  lists since Nov and has received a fair bit of review, specially from
  Arnd, tglx, Al and other subsystem maintainers for DeviceTree, kgdb...

  The arch bits are in arch/arc, some asm-generic changes (acked by
  Arnd), a minor change to PARISC (acked by Helge).

  The series is a touch bigger for a new port for 2 main reasons:

   1. It enables a basic kernel in first sub-series and adds
      ptrace/kgdb/.. later

   2. Some of the fallout of review (DeviceTree support, multi-platform-
      image support) were added on top of orig series, primarily to
      record the revision history.

  This updated pull request additionally contains

   - fixes due to our GNU tools catching up with the new syscall/ptrace
     ABI

   - some (minor) cross-arch Kconfig updates."

* tag 'arc-v3.9-rc1-late' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (82 commits)
  ARC: split elf.h into uapi and export it for userspace
  ARC: Fixup the current ABI version
  ARC: gdbserver using regset interface possibly broken
  ARC: Kconfig cleanup tracking cross-arch Kconfig pruning in merge window
  ARC: make a copy of flat DT
  ARC: [plat-arcfpga] DT arc-uart bindings change: "baud" => "current-speed"
  ARC: Ensure CONFIG_VIRT_TO_BUS is not enabled
  ARC: Fix pt_orig_r8 access
  ARC: [3.9] Fallout of hlist iterator update
  ARC: 64bit RTSC timestamp hardware issue
  ARC: Don't fiddle with non-existent caches
  ARC: Add self to MAINTAINERS
  ARC: Provide a default serial.h for uart drivers needing BASE_BAUD
  ARC: [plat-arcfpga] defconfig for fully loaded ARC Linux
  ARC: [Review] Multi-platform image #8: platform registers SMP callbacks
  ARC: [Review] Multi-platform image #7: SMP common code to use callbacks
  ARC: [Review] Multi-platform image #6: cpu-to-dma-addr optional
  ARC: [Review] Multi-platform image #5: NR_IRQS defined by ARC core
  ARC: [Review] Multi-platform image #4: Isolate platform headers
  ARC: [Review] Multi-platform image #3: switch to board callback
  ...
2013-03-02 07:58:56 -08:00
Sasha Levin b67bfe0d42 hlist: drop the node parameter from iterators
I'm not sure why, but the hlist for each entry iterators were conceived

        list_for_each_entry(pos, head, member)

The hlist ones were greedy and wanted an extra parameter:

        hlist_for_each_entry(tpos, pos, head, member)

Why did they need an extra pos parameter? I'm not quite sure. Not only
they don't really need it, it also prevents the iterator from looking
exactly like the list iterator, which is unfortunate.

Besides the semantic patch, there was some manual work required:

 - Fix up the actual hlist iterators in linux/list.h
 - Fix up the declaration of other iterators based on the hlist ones.
 - A very small amount of places were using the 'node' parameter, this
 was modified to use 'obj->member' instead.
 - Coccinelle didn't handle the hlist_for_each_entry_safe iterator
 properly, so those had to be fixed up manually.

The semantic patch which is mostly the work of Peter Senna Tschudin is here:

@@
iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host;

type T;
expression a,c,d,e;
identifier b;
statement S;
@@

-T b;
    <+... when != b
(
hlist_for_each_entry(a,
- b,
c, d) S
|
hlist_for_each_entry_continue(a,
- b,
c) S
|
hlist_for_each_entry_from(a,
- b,
c) S
|
hlist_for_each_entry_rcu(a,
- b,
c, d) S
|
hlist_for_each_entry_rcu_bh(a,
- b,
c, d) S
|
hlist_for_each_entry_continue_rcu_bh(a,
- b,
c) S
|
for_each_busy_worker(a, c,
- b,
d) S
|
ax25_uid_for_each(a,
- b,
c) S
|
ax25_for_each(a,
- b,
c) S
|
inet_bind_bucket_for_each(a,
- b,
c) S
|
sctp_for_each_hentry(a,
- b,
c) S
|
sk_for_each(a,
- b,
c) S
|
sk_for_each_rcu(a,
- b,
c) S
|
sk_for_each_from
-(a, b)
+(a)
S
+ sk_for_each_from(a) S
|
sk_for_each_safe(a,
- b,
c, d) S
|
sk_for_each_bound(a,
- b,
c) S
|
hlist_for_each_entry_safe(a,
- b,
c, d, e) S
|
hlist_for_each_entry_continue_rcu(a,
- b,
c) S
|
nr_neigh_for_each(a,
- b,
c) S
|
nr_neigh_for_each_safe(a,
- b,
c, d) S
|
nr_node_for_each(a,
- b,
c) S
|
nr_node_for_each_safe(a,
- b,
c, d) S
|
- for_each_gfn_sp(a, c, d, b) S
+ for_each_gfn_sp(a, c, d) S
|
- for_each_gfn_indirect_valid_sp(a, c, d, b) S
+ for_each_gfn_indirect_valid_sp(a, c, d) S
|
for_each_host(a,
- b,
c) S
|
for_each_host_safe(a,
- b,
c, d) S
|
for_each_mesh_entry(a,
- b,
c, d) S
)
    ...+>

[akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c]
[akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c]
[akpm@linux-foundation.org: checkpatch fixes]
[akpm@linux-foundation.org: fix warnings]
[akpm@linux-foudnation.org: redo intrusive kvm changes]
Tested-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Jeremy Kerr 80d0342859 selftests: add a simple doc
This change adds a little documentation to the tests under
tools/testing/selftests/, based on akpm's explanation.

[akpm@linux-foundation.org: move from Documentation to tools/testing/selftests/README.txt]
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Cc: Dave Young <dyoung@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Andrew Morton 66a01b9659 tools/testing/selftests/Makefile: rearrange targets
Do it one-per-line to reduce patch conflict pain.

Cc: Dave Young <dyoung@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Jeremy Kerr d974f67a52 selftests/efivarfs: add create-read test
Test that reads from a newly-created efivarfs file (with no data written)
will return EOF.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Lingzhu Xiang <lxiang@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Jeremy Kerr 033a1a7fe7 selftests/efivarfs: add empty file creation test
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Lingzhu Xiang <lxiang@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Jeremy Kerr 455ce1c721 selftests: add tests for efivarfs
This change adds a few initial efivarfs tests to the
tools/testing/selftests directory.

The open-unlink test is based on code from Lingzhu Xiang.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Lingzhu Xiang <lxiang@redhat.com>
Cc: Dave Young <dyoung@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27 19:10:24 -08:00
Linus Torvalds c69d0a15d2 ktest update for 3.9
Added ability to have all builds test warnings.
 
 Fixed failing reboot when the reboot produces a non fatal error.
 
 Config reading fixes and other cleanups.
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Merge tag 'ktest-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

Pull ktest update from Steven Rostedt:
 "Added ability to have all builds test warnings.

  Fixed failing reboot when the reboot produces a non fatal error.

  Config reading fixes and other cleanups"

* tag 'ktest-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Remove indexes from warnings check
  ktest: Ignore warnings during reboot
  ktest: Search for linux banner for successful reboot
  ktest: Add make_warnings_file and process full warnings
  ktest: Allow a test option to use its default option
  ktest: Strip off '\n' when reading which files were modified
  ktest: Do not require CONSOLE for build or install bisects
2013-02-25 15:43:21 -08:00
Linus Torvalds 7ed214ac20 Char/Misc driver patches for 3.9-rc1
Here's the big char/misc driver patches for 3.9-rc1.
 
 Nothing major here, just lots of different driver updates (mei, hyperv, ipack,
 extcon, vmci, etc.).
 
 All of these have been in the linux-next tree for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver patches from Greg Kroah-Hartman:
 "Here's the big char/misc driver patches for 3.9-rc1.

  Nothing major here, just lots of different driver updates (mei,
  hyperv, ipack, extcon, vmci, etc.).

  All of these have been in the linux-next tree for a while."

* tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (209 commits)
  w1: w1_therm: Add force-pullup option for "broken" sensors
  w1: ds2482: Added 1-Wire pull-up support to the driver
  vme: add missing put_device() after device_register() fails
  extcon: max8997: Use workqueue to check cable state after completing boot of platform
  extcon: max8997: Set default UART/USB path on probe
  extcon: max8997: Consolidate duplicate code for checking ADC/CHG cable type
  extcon: max8997: Set default of ADC debounce time during initialization
  extcon: max8997: Remove duplicate code related to set H/W line path
  extcon: max8997: Move defined constant to header file
  extcon: max77693: Make max77693_extcon_cable static
  extcon: max8997: Remove unreachable code
  extcon: max8997: Make max8997_extcon_cable static
  extcon: max77693: Remove unnecessary goto statement to improve readability
  extcon: max77693: Convert to devm_input_allocate_device()
  extcon: gpio: Rename filename of extcon-gpio.c according to kernel naming style
  CREDITS: update email and address of Harald Hoyer
  extcon: arizona: Use MICDET for final microphone identification
  extcon: arizona: Always take the first HPDET reading as the final one
  extcon: arizona: Clear _trig_sts bits after jack detection
  extcon: arizona: Don't HPDET magic when headphones are enabled
  ...
2013-02-21 13:57:13 -08:00
Linus Torvalds 74e1a2a393 USB patches for 3.9-rc1
Here's the big USB merge for 3.9-rc1
 
 Nothing major, lots of gadget fixes, and of course, xhci stuff.
 
 All of this has been in linux-next for a while, with the exception of
 the last 3 patches, which were reverts of patches in the tree that
 caused problems, they went in yesterday.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB merge for 3.9-rc1

  Nothing major, lots of gadget fixes, and of course, xhci stuff.

  All of this has been in linux-next for a while, with the exception of
  the last 3 patches, which were reverts of patches in the tree that
  caused problems, they went in yesterday."

* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits)
  Revert "USB: EHCI: make ehci-vt8500 a separate driver"
  Revert "USB: EHCI: make ehci-orion a separate driver"
  Revert "USB: update host controller Kconfig entries"
  USB: update host controller Kconfig entries
  USB: EHCI: make ehci-orion a separate driver
  USB: EHCI: make ehci-vt8500 a separate driver
  USB: usb-storage: unusual_devs update for Super TOP SATA bridge
  USB: ehci-omap: Fix autoloading of module
  USB: ehci-omap: Don't free gpios that we didn't request
  USB: option: add Huawei "ACM" devices using protocol = vendor
  USB: serial: fix null-pointer dereferences on disconnect
  USB: option: add Yota / Megafon M100-1 4g modem
  drivers/usb: add missing GENERIC_HARDIRQS dependencies
  USB: storage: properly handle the endian issues of idProduct
  testusb: remove all mentions of 'usbfs'
  usb: gadget: imx_udc: make it depend on BROKEN
  usb: omap_control_usb: fix compile warning
  ARM: OMAP: USB: Add phy binding information
  ARM: OMAP2: MUSB: Specify omap4 has mailbox
  ARM: OMAP: devices: create device for usb part of control module
  ...
2013-02-21 12:20:00 -08:00
Linus Torvalds 06991c28f3 Driver core patches for 3.9-rc1
Here is the big driver core merge for 3.9-rc1
 
 There are two major series here, both of which touch lots of drivers all
 over the kernel, and will cause you some merge conflicts:
   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.
   - remove CONFIG_EXPERIMENTAL
 
 If you need me to provide a merged tree to handle these resolutions,
 please let me know.
 
 Other than those patches, there's not much here, some minor fixes and
 updates.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg Kroah-Hartman:
 "Here is the big driver core merge for 3.9-rc1

  There are two major series here, both of which touch lots of drivers
  all over the kernel, and will cause you some merge conflicts:

   - add a new function called devm_ioremap_resource() to properly be
     able to check return values.

   - remove CONFIG_EXPERIMENTAL

  Other than those patches, there's not much here, some minor fixes and
  updates"

Fix up trivial conflicts

* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
  base: memory: fix soft/hard_offline_page permissions
  drivercore: Fix ordering between deferred_probe and exiting initcalls
  backlight: fix class_find_device() arguments
  TTY: mark tty_get_device call with the proper const values
  driver-core: constify data for class_find_device()
  firmware: Ignore abort check when no user-helper is used
  firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
  firmware: Make user-mode helper optional
  firmware: Refactoring for splitting user-mode helper code
  Driver core: treat unregistered bus_types as having no devices
  watchdog: Convert to devm_ioremap_resource()
  thermal: Convert to devm_ioremap_resource()
  spi: Convert to devm_ioremap_resource()
  power: Convert to devm_ioremap_resource()
  mtd: Convert to devm_ioremap_resource()
  mmc: Convert to devm_ioremap_resource()
  mfd: Convert to devm_ioremap_resource()
  media: Convert to devm_ioremap_resource()
  iommu: Convert to devm_ioremap_resource()
  drm: Convert to devm_ioremap_resource()
  ...
2013-02-21 12:05:51 -08:00
Linus Torvalds 8793422fd9 ACPI and power management updates for 3.9-rc1
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
   with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
   Toshi Kani, and Yinghai Lu.
 
 - ACPI power resources handling and ACPI device PM update from
   Rafael J. Wysocki.
 
 - ACPICA update to version 20130117 from Bob Moore and Lv Zheng
   with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and
   Tim Gardner.
 
 - Support for Intel Lynxpoint LPSS from Mika Westerberg.
 
 - cpuidle update from Len Brown including Intel Haswell support, C1
   state for intel_idle, removal of global pm_idle.
 
 - cpuidle fixes and cleanups from Daniel Lezcano.
 
 - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri
   with contributions from Stratos Karafotis and Rickard Andersson.
 
 - Intel P-states driver for Sandy Bridge processors from
   Dirk Brandewie.
 
 - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
 
 - cpufreq fixes related to ordering issues between acpi-cpufreq and
   powernow-k8 from Borislav Petkov and Matthew Garrett.
 
 - cpufreq support for Calxeda Highbank processors from Mark Langsdorf
   and Rob Herring.
 
 - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
   from Shawn Guo.
 
 - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
   and Inderpal Singh.
 
 - Support for "lightweight suspend" from Zhang Rui.
 
 - Removal of the deprecated power trace API from Paul Gortmaker.
 
 - Assorted updates from Andreas Fleig, Colin Ian King,
   Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei,
   Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo,
   Thomas Renninger, and Yasuaki Ishimatsu.
 
 /
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Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:

 - Rework of the ACPI namespace scanning code from Rafael J.  Wysocki
   with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
   Toshi Kani, and Yinghai Lu.

 - ACPI power resources handling and ACPI device PM update from Rafael
   J Wysocki.

 - ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
   contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.

 - Support for Intel Lynxpoint LPSS from Mika Westerberg.

 - cpuidle update from Len Brown including Intel Haswell support, C1
   state for intel_idle, removal of global pm_idle.

 - cpuidle fixes and cleanups from Daniel Lezcano.

 - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
   contributions from Stratos Karafotis and Rickard Andersson.

 - Intel P-states driver for Sandy Bridge processors from Dirk
   Brandewie.

 - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.

 - cpufreq fixes related to ordering issues between acpi-cpufreq and
   powernow-k8 from Borislav Petkov and Matthew Garrett.

 - cpufreq support for Calxeda Highbank processors from Mark Langsdorf
   and Rob Herring.

 - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
   from Shawn Guo.

 - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
   and Inderpal Singh.

 - Support for "lightweight suspend" from Zhang Rui.

 - Removal of the deprecated power trace API from Paul Gortmaker.

 - Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
   Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
   Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
   Ishimatsu.

* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
  PM idle: remove global declaration of pm_idle
  unicore32 idle: delete stray pm_idle comment
  openrisc idle: delete pm_idle
  mn10300 idle: delete pm_idle
  microblaze idle: delete pm_idle
  m32r idle: delete pm_idle, and other dead idle code
  ia64 idle: delete pm_idle
  cris idle: delete idle and pm_idle
  ARM64 idle: delete pm_idle
  ARM idle: delete pm_idle
  blackfin idle: delete pm_idle
  sparc idle: rename pm_idle to sparc_idle
  sh idle: rename global pm_idle to static sh_idle
  x86 idle: rename global pm_idle to static x86_idle
  APM idle: register apm_cpu_idle via cpuidle
  cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
  cpufreq / intel_pstate: Change to disallow module build
  tools/power turbostat: display SMI count by default
  intel_idle: export both C1 and C1E
  ACPI / hotplug: Fix concurrency issues and memory leaks
  ...
2013-02-20 11:26:56 -08:00
Linus Torvalds 502b24c23b Merge branch 'for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:
 "Nothing too drastic.

   - Removal of synchronize_rcu() from userland visible paths.

   - Various fixes and cleanups from Li.

   - cgroup_rightmost_descendant() added which will be used by cpuset
     changes (it will be a separate pull request)."

* 'for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: fail if monitored file and event_control are in different cgroup
  cgroup: fix cgroup_rmdir() vs close(eventfd) race
  cpuset: fix cpuset_print_task_mems_allowed() vs rename() race
  cgroup: fix exit() vs rmdir() race
  cgroup: remove bogus comments in cgroup_diput()
  cgroup: remove synchronize_rcu() from cgroup_diput()
  cgroup: remove duplicate RCU free on struct cgroup
  sched: remove redundant NULL cgroup check in task_group_path()
  sched: split out css_online/css_offline from tg creation/destruction
  cgroup: initialize cgrp->dentry before css_alloc()
  cgroup: remove a NULL check in cgroup_exit()
  cgroup: fix bogus kernel warnings when cgroup_create() failed
  cgroup: remove synchronize_rcu() from rebind_subsystems()
  cgroup: remove synchronize_rcu() from cgroup_attach_{task|proc}()
  cgroup: use new hashtable implementation
  cgroups: fix cgroup_event_listener error handling
  cgroups: move cgroup_event_listener.c to tools/cgroup
  cgroup: implement cgroup_rightmost_descendant()
  cgroup: remove unused dummy cgroup_fork_callbacks()
2013-02-20 09:16:21 -08:00
Linus Torvalds 8f55cea410 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf changes from Ingo Molnar:
 "There are lots of improvements, the biggest changes are:

  Main kernel side changes:

   - Improve uprobes performance by adding 'pre-filtering' support, by
     Oleg Nesterov.

   - Make some POWER7 events available in sysfs, equivalent to what was
     done on x86, from Sukadev Bhattiprolu.

   - tracing updates by Steve Rostedt - mostly misc fixes and smaller
     improvements.

   - Use perf/event tracing to report PCI Express advanced errors, by
     Tony Luck.

   - Enable northbridge performance counters on AMD family 15h, by Jacob
     Shin.

   - This tracing commit:

        tracing: Remove the extra 4 bytes of padding in events

     changes the ABI.  All involved parties (PowerTop in particular)
     seem to agree that it's safe to do now with the introduction of
     libtraceevent, but the devil is in the details ...

  Main tooling side changes:

   - Add 'event group view', from Namyung Kim:

     To use it, 'perf record' should group events when recording.  And
     then perf report parses the saved group relation from file header
     and prints them together if --group option is provided.  You can
     use the 'perf evlist' command to see event group information:

        $ perf record -e '{ref-cycles,cycles}' noploop 1
        [ perf record: Woken up 2 times to write data ]
        [ perf record: Captured and wrote 0.385 MB perf.data (~16807 samples) ]

        $ perf evlist --group
        {ref-cycles,cycles}

     With this example, default perf report will show you each event
     separately.

     You can use --group option to enable event group view:

        $ perf report --group
        ...
        # group: {ref-cycles,cycles}
        # ========
        # Samples: 7K of event 'anon group { ref-cycles, cycles }'
        # Event count (approx.): 6876107743
        #
        #         Overhead  Command      Shared Object                      Symbol
        # ................  .......  .................  ..........................
            99.84%  99.76%  noploop  noploop            [.] main
             0.07%   0.00%  noploop  ld-2.15.so         [.] strcmp
             0.03%   0.00%  noploop  [kernel.kallsyms]  [k] timerqueue_del
             0.03%   0.03%  noploop  [kernel.kallsyms]  [k] sched_clock_cpu
             0.02%   0.00%  noploop  [kernel.kallsyms]  [k] account_user_time
             0.01%   0.00%  noploop  [kernel.kallsyms]  [k] __alloc_pages_nodemask
             0.00%   0.00%  noploop  [kernel.kallsyms]  [k] native_write_msr_safe
             0.00%   0.11%  noploop  [kernel.kallsyms]  [k] _raw_spin_lock
             0.00%   0.06%  noploop  [kernel.kallsyms]  [k] find_get_page
             0.00%   0.02%  noploop  [kernel.kallsyms]  [k] rcu_check_callbacks
             0.00%   0.02%  noploop  [kernel.kallsyms]  [k] __current_kernel_time

     As you can see the Overhead column now contains both of ref-cycles
     and cycles and header line shows group information also - 'anon
     group { ref-cycles, cycles }'.  The output is sorted by period of
     group leader first.

   - Initial GTK+ annotate browser, from Namhyung Kim.

   - Add option for runtime switching perf data file in perf report,
     just press 's' and a menu with the valid files found in the current
     directory will be presented, from Feng Tang.

   - Add support to display whole group data for raw columns, from Jiri
     Olsa.

   - Add per processor socket count aggregation in perf stat, from
     Stephane Eranian.

   - Add interval printing in 'perf stat', from Stephane Eranian.

   - 'perf test' improvements

   - Add support for wildcards in tracepoint system name, from Jiri
     Olsa.

   - Add anonymous huge page recognition, from Joshua Zhu.

   - perf build-id cache now can show DSOs present in a perf.data file
     that are not in the cache, to integrate with build-id servers being
     put in place by organizations such as Fedora.

   - perf top now shares more of the evsel config/creation routines with
     'record', paving the way for further integration like 'top'
     snapshots, etc.

   - perf top now supports DWARF callchains.

   - Fix mmap limitations on 32-bit, fix from David Miller.

   - 'perf bench numa mem' NUMA performance measurement suite

   - ... and lots of fixes, performance improvements, cleanups and other
     improvements I failed to list - see the shortlog and git log for
     details."

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (270 commits)
  perf/x86/amd: Enable northbridge performance counters on AMD family 15h
  perf/hwbp: Fix cleanup in case of kzalloc failure
  perf tools: Fix build with bison 2.3 and older.
  perf tools: Limit unwind support to x86 archs
  perf annotate: Make it to be able to skip unannotatable symbols
  perf gtk/annotate: Fail early if it can't annotate
  perf gtk/annotate: Show source lines with gray color
  perf gtk/annotate: Support multiple event annotation
  perf ui/gtk: Implement basic GTK2 annotation browser
  perf annotate: Fix warning message on a missing vmlinux
  perf buildid-cache: Add --update option
  uprobes/perf: Avoid uprobe_apply() whenever possible
  uprobes/perf: Teach trace_uprobe/perf code to use UPROBE_HANDLER_REMOVE
  uprobes/perf: Teach trace_uprobe/perf code to pre-filter
  uprobes/perf: Teach trace_uprobe/perf code to track the active perf_event's
  uprobes: Introduce uprobe_apply()
  perf: Introduce hw_perf_event->tp_target and ->tp_list
  uprobes/perf: Always increment trace_uprobe->nhit
  uprobes/tracing: Kill uprobe_trace_consumer, embed uprobe_consumer into trace_uprobe
  uprobes/tracing: Introduce is_trace_uprobe_enabled()
  ...
2013-02-19 17:49:41 -08:00
Rafael J. Wysocki 10baf04e95 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (35 commits)
  PM idle: remove global declaration of pm_idle
  unicore32 idle: delete stray pm_idle comment
  openrisc idle: delete pm_idle
  mn10300 idle: delete pm_idle
  microblaze idle: delete pm_idle
  m32r idle: delete pm_idle, and other dead idle code
  ia64 idle: delete pm_idle
  cris idle: delete idle and pm_idle
  ARM64 idle: delete pm_idle
  ARM idle: delete pm_idle
  blackfin idle: delete pm_idle
  sparc idle: rename pm_idle to sparc_idle
  sh idle: rename global pm_idle to static sh_idle
  x86 idle: rename global pm_idle to static x86_idle
  APM idle: register apm_cpu_idle via cpuidle
  tools/power turbostat: display SMI count by default
  intel_idle: export both C1 and C1E
  cpuidle: remove vestage definition of cpuidle_state_usage.driver_data
  x86 idle: remove 32-bit-only "no-hlt" parameter, hlt_works_ok flag
  x86 idle: remove mwait_idle() and "idle=mwait" cmdline param
  ...

Conflicts:
	arch/x86/kernel/process.c (with PM / tracing commit 43720bd)
	drivers/acpi/processor_idle.c (with ACPICA commit 4f84291)
2013-02-18 22:34:11 +01:00
Steven Rostedt (Red Hat) 7328735cbf ktest: Remove indexes from warnings check
The index of a line where a warning is tested can be returned
differently on different versions of gcc (or same version compiled
differently). That is, a tab + space can give different results. This
causes the warning check to produce a false positive. Removing the
index from the check fixes this issue.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2013-02-18 09:35:49 -05:00
Vineet Gupta 9854783e55 perf, ARC: Enable building perf tools for ARC
Although with uClibc there's more we need to do

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
2013-02-15 23:16:08 +05:30
Rafael J. Wysocki 95ecb40769 Merge branch 'pm-tools'
* pm-tools:
  ACPI tools / acpidump: must be run as root - install it into /usr/sbin
2013-02-15 13:59:00 +01:00
Vinson Lee 85df3b3769 perf tools: Fix build with bison 2.3 and older.
The %name-prefix "prefix" syntax is not available on bison 2.3 and
older. Substitute with the -p "prefix" command-line option for
compatibility with older versions of bison.

This patch fixes this build error with older versions of bison.

    CC util/sysfs.o
    BISON util/pmu-bison.c
util/pmu.y:2.14-24: syntax error, unexpected string, expecting =
make: *** [util/pmu-bison.c] Error 1

Signed-off-by: Vinson Lee <vlee@twitter.com>
Tested-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org # 3.4+
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1360792138-29186-1-git-send-email-vlee@twitter.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 16:12:34 -03:00
Jiri Olsa 02320931ce perf tools: Limit unwind support to x86 archs
There's DWARF unwind support only for x86 archs, so limit the unwind.o
object to them only.

Without this building for other archs (e.g. cross compiling for ARM) is
broken.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Link: http://lkml.kernel.org/n/tip-viqtvd6hppqgt68zz4wlqm20@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 15:59:33 -03:00
Namhyung Kim 18c9e5c567 perf annotate: Make it to be able to skip unannotatable symbols
Add --skip-missing option for skipping symbols that cannot be used for
annotation.  It's the case of kernel symbols that user doesn't have a
vmlinux image file.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-8-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:28 -03:00
Namhyung Kim c0e79be749 perf gtk/annotate: Fail early if it can't annotate
Don't need to setup a browser window if annotate cannot work.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-7-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:28 -03:00
Namhyung Kim 2375223786 perf gtk/annotate: Show source lines with gray color
In order to differentiate source lines from asm line, print them with
gray color.  To do this, it needs to be escaped since sometimes it
contains "<" and/or ">" characters so that it should not be considered
as a markup tags.  Use glib's g_markup_escape_text() for this.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:28 -03:00
Namhyung Kim 7a60ba9482 perf gtk/annotate: Support multiple event annotation
Show multiple annotation result for each evsel.  Each result represents
the most frquently sampled symbol/function for the evsel and it will be
shown in a tab window.

For this add a reference to main container (notebook) to the pgctx.  At
the first call to annotate browser, hist_entry__find_annotations() will
setup a new browser, and next calls will add new tabs to the browser.
But it requires final perf_gtk__show_annotations() to start processing
GUI events.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:28 -03:00
Namhyung Kim 2b676bf068 perf ui/gtk: Implement basic GTK2 annotation browser
Basic implementation of perf annotate on GTK2.  Currently only
shows first symbol.  Add a new --gtk option to use it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:27 -03:00
Namhyung Kim e3a34029c6 perf annotate: Fix warning message on a missing vmlinux
When perf annotate runs with no vmlinux file it cannot annotate kernel
symbols because the kallsyms only provides symbol addresses.  So it
recommends to run perf buildid-cache to install proper vmlinux image.

But running perf buildid-cache -av vmlinux as the message gives me a
following error:

  $ perf buildid-cache -av /home/namhyung/build/kernel/vmlinux
  Couldn't add v: No such file or directory

Since the -a option receives a parameter, 'v' should not be after the
option.

In addition -a option is not work for this case since the build-id cache
already has a kallsyms with same build-id so it'll fail with EEXIST.
Use recently added -u (--update) option for it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:27 -03:00
Namhyung Kim eeb4984542 perf buildid-cache: Add --update option
When adding vmlinux file to build-id cache, it'd be fail since kallsyms
dso with a same build-id was already added by perf record.

So one needs to remove the kallsyms first to add vmlinux into the cache.
Add --update option for doing it at once.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14 14:59:27 -03:00
Len Brown 1ed51011af tools/power turbostat: display SMI count by default
The SMI counter is popular -- so display it by default
rather than requiring an option.  What the heck,
we've blown the 80 column budget on many systems already...

Note that the value displayed is the delta
during the measurement interval.
The absolute value of the counter can still be seen with
the generic 32-bit MSR option, ie.  -m 0x34

Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-13 18:22:12 -05:00
Len Brown 6792041834 tools/power turbostat: decode MSR_IA32_POWER_CTL
When verbose is enabled, print the C1E-Enable
bit in MSR_IA32_POWER_CTL.

also delete some redundant tests on the verbose variable.

Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 19:26:16 -05:00
Len Brown 70b43400bc tools/power turbostat: support Haswell
This patch enables turbostat to run properly on the
next-generation Intel(R) Microarchitecture, code named "Haswell" (HSW).

HSW supports the BCLK and counters found in SNB.

Signed-off-by: Len Brown <len.brown@intel.com>
2013-02-08 19:25:57 -05:00
Sergei Shtylyov 9742aecda4 testusb: remove all mentions of 'usbfs'
Commit 8a424bf40d (tools/usb: remove last USBFS
user) removed 'usbfs' files from the source but retained mentions of 'usbfs'
all over the place, most importantly in the misleading error messages printed
in case USB device files are not there.  Remove all the  mentions of 'usbfs'
for good now!

Signed-off-by: Sergei Shtylyov <sshtylyov@dev.rtsoft.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-02-08 12:15:24 -08:00
Arnaldo Carvalho de Melo 88fd2b6a76 perf python: Link with sysfs.o
So that we fix this regression:

[root@sandy linux]# perf test -v 15
15: Try 'use perf' in python, checking link problems       :
--- start ---
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: /home/acme/git/build/perf/python/perf.so: undefined symbol: sysfs_find_mountpoint
---- end ----
Try 'use perf' in python, checking link problems: FAILED!
[root@sandy linux]#

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8pf64bsdywg1gl9m55ul77hg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-06 18:09:28 -03:00
Arnaldo Carvalho de Melo e35ef355ad perf evlist: Pass the event_group info via perf_attr_details
So that we avoid dragging symbol.o into the python binding.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-izjubje7ltd1srji5wb0ygwi@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-06 18:09:28 -03:00
Paul Gortmaker 91b988048b perf tools: Fix calloc argument ordering
A sweep of the kernel for regex "kcalloc(sizeof" turned up 2 reversed
args, fixed in commit d3d09e1820 ("EDAC:
Fix kcalloc argument order") and also fixed in the networking commit
a1b1add07f ("gro: Fix kcalloc argument
order").

I know that was the regex used, because on seeing the 1st of these
changes, I wondered "how many other instances of this are there" and I
happened to just use "calloc(sizeof" as a regex and it in turn found
these additional reversed args instances in the perf code.

In the kcalloc cases, the changes are cosmetic, since the numbers are
simply multiplied.  I had no desire to go data mining in userspace to
see if the same thing held true there, however.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Joe Perches <joe@perches.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1359594349-25912-1-git-send-email-paul.gortmaker@windriver.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-06 18:09:28 -03:00
Jiri Olsa 5a30a99fb4 perf tests: Adding automated parsing tests for group :GH modifiers
The ':GH' group modifier handling was just recently fixed, adding some
autommated tests to keep it that way. Adding tests for following events:

  "{cycles,cache-misses:G}:H"
  "{cycles,cache-misses:H}:G"
  "{cycles:G,cache-misses:H}:u"
  "{cycles:G,cache-misses:H}:uG"

Plus fixing test__group2 test.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1359971803-2343-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-06 18:09:28 -03:00