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  1. 22 9月, 2009 22 次提交
  3. 21 9月, 2009 18 次提交
    • L
      Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6 · 33e6c1a0
      由 Linus Torvalds 提交于 
      * 'linux-next' of git://git.infradead.org/ubifs-2.6:
  UBIFS: fix debugging dump
  UBIFS: improve lprops dump
  UBIFS: various minor commentary fixes
  UBIFS: improve journal head debugging prints
  UBIFS: define journal head numbers in ubifs-media.h
  UBIFS: amend commentaries
  UBIFS: check ubifs_scan error codes better
  UBIFS: do not print scary error messages needlessly
  UBIFS: add inode size debugging check
  UBIFS: constify file and inode operations
  UBIFS: remove unneeded call from ubifs_sync_fs
  UBIFS: kill BKL
  UBIFS: remove unused functions
  UBIFS: suppress compilation warning
      33e6c1a0
    • L
      Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6 · 0b887ef1
      由 Linus Torvalds 提交于 
      * 'linux-next' of git://git.infradead.org/ubi-2.6:
  UBI: improve NOR flash erasure quirk
  UBI: introduce flash dump helper
  UBI: eliminate possible undefined behaviour
  UBI: print a warning if too many PEBs are corrupted
  UBI: amend NOR flash pre-erase quirk
  UBI: print a message if ECH is corrupted and VIDH is ok
      0b887ef1
    • L
      Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 · 44040f10
      由 Linus Torvalds 提交于 
      * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (133 commits)
  drm/vgaarb: add VGA arbitration support to the drm and kms.
  drm/radeon: some r420s have a CP race with the DMA engine.
  drm/radeon/r600/kms: rv670 is not DCE3
  drm/radeon/kms: r420 idle after programming GA_ENHANCE
  drm/radeon/kms: more fixes to rv770 suspend/resume path.
  drm/radeon/kms: more alignment for rv770.c with r600.c
  drm/radeon/kms: rv770 blit init called too late.
  drm/radeon/kms: move around new init path code to avoid posting at init
  drm/radeon/r600: fix some issues with suspend/resume.
  drm/radeon/kms: disable VGA rendering engine before taking over VRAM
  drm/radeon/kms: Move radeon_get_clock_info() call out of radeon_clocks_init().
  drm/radeon/kms: add initial connector properties
  drm/radeon/kms: Use surfaces for scanout / cursor byte swapping on big endian.
  drm/radeon/kms: don't fail if we fail to init GPU acceleration
  drm/r600/kms: fixup number of loops per blit calculation.
  drm/radeon/kms: reprogram format in set base.
  drm/radeon: avivo chips have no separate int bit for display
  drm/radeon/r600: don't do interrupts
  drm: fix _DRM_GEM addmap error message
  drm: update crtc x/y when only fb changes
  ...

Fixed up trivial conflicts in firmware/Makefile due to network driver
(cxgb3) and drm (mga/r128/radeon) firmware being listed next to each
other.
      44040f10
    • I
      Driver-Core: fix devnode callbacks for dabusb and industrialio · 388dba30
      由 Ingo Molnar 提交于 
      The build of the dabusb driver broke:

  drivers/media/video/dabusb.c:758: error: unknown field 'nodename' specified in initializer
  drivers/media/video/dabusb.c:758: warning: initialization from incompatible pointer type
  make[3]: *** wait: No child processes.  Stop.

Due to this commit:

  e454cea2: Driver-Core: extend devnode callbacks to provide permissions

Missing the dabusb driver's dabusb_nodename() callback.

Similar issues with the iio/industrialio driver in staging, pointed out
and patched by Jean Delvare.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Industrialio-parts-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      388dba30
    • J
      nfs: initialize the backing_dev_info when creating the server · 48d07649
      由 Jens Axboe 提交于 
      NFS may free the server structure without ever having used the
bdi, so we either need to flag the bdi as being uninitialized or
initialize it up front. This does the latter.

This fixes a crash with mounting more than one NFS file system,
should people ever need that kind of obscure NFS functionality.
Tested-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
      48d07649
    • J
      writeback: make balance_dirty_pages() gradually back more off · 87c6a9b2
      由 Jens Axboe 提交于 
      Currently it just sleeps for a very short time, just 1 jiffy. If
we keep looping in there, continually delay for a little longer
of up to 100msec in total. That was the old limit for congestion
wait.
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
      87c6a9b2
    • J
      writeback: don't use schedule_timeout() without setting runstate · 3542a5c0
      由 Jens Axboe 提交于 
      Just use schedule_timeout_interruptible(), saves a call to
set_current_state().
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
      3542a5c0
    • J
      nfs: nfs_kill_super() should call bdi_unregister() after killing super · 92f25053
      由 Jens Axboe 提交于 
      Otherwise we could be attempting to flush data for a writeback
thread and bdi that have already disappeared.
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
      92f25053
    • I
      perf: Tidy up after the big rename · 57c0c15b
      由 Ingo Molnar 提交于 
       - provide compatibility Kconfig entry for existing PERF_COUNTERS .config's

 - provide courtesy copy of old perf_counter.h, for user-space projects

 - small indentation fixups

 - fix up MAINTAINERS

 - fix small x86 printout fallout

 - fix up small PowerPC comment fallout (use 'counter' as in register)
Reviewed-by: NArjan van de Ven <arjan@linux.intel.com>
Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      57c0c15b
    • I
      perf: Do the big rename: Performance Counters -> Performance Events · cdd6c482
      由 Ingo Molnar 提交于 
      Bye-bye Performance Counters, welcome Performance Events!

In the past few months the perfcounters subsystem has grown out its
initial role of counting hardware events, and has become (and is
becoming) a much broader generic event enumeration, reporting, logging,
monitoring, analysis facility.

Naming its core object 'perf_counter' and naming the subsystem
'perfcounters' has become more and more of a misnomer. With pending
code like hw-breakpoints support the 'counter' name is less and
less appropriate.

All in one, we've decided to rename the subsystem to 'performance
events' and to propagate this rename through all fields, variables
and API names. (in an ABI compatible fashion)

The word 'event' is also a bit shorter than 'counter' - which makes
it slightly more convenient to write/handle as well.

Thanks goes to Stephane Eranian who first observed this misnomer and
suggested a rename.

User-space tooling and ABI compatibility is not affected - this patch
should be function-invariant. (Also, defconfigs were not touched to
keep the size down.)

This patch has been generated via the following script:

  FILES=$(find * -type f | grep -vE 'oprofile|[^K]config')

  sed -i \
    -e 's/PERF_EVENT_/PERF_RECORD_/g' \
    -e 's/PERF_COUNTER/PERF_EVENT/g' \
    -e 's/perf_counter/perf_event/g' \
    -e 's/nb_counters/nb_events/g' \
    -e 's/swcounter/swevent/g' \
    -e 's/tpcounter_event/tp_event/g' \
    $FILES

  for N in $(find . -name perf_counter.[ch]); do
    M=$(echo $N | sed 's/perf_counter/perf_event/g')
    mv $N $M
  done

  FILES=$(find . -name perf_event.*)

  sed -i \
    -e 's/COUNTER_MASK/REG_MASK/g' \
    -e 's/COUNTER/EVENT/g' \
    -e 's/\<event\>/event_id/g' \
    -e 's/counter/event/g' \
    -e 's/Counter/Event/g' \
    $FILES

... to keep it as correct as possible. This script can also be
used by anyone who has pending perfcounters patches - it converts
a Linux kernel tree over to the new naming. We tried to time this
change to the point in time where the amount of pending patches
is the smallest: the end of the merge window.

Namespace clashes were fixed up in a preparatory patch - and some
stylistic fallout will be fixed up in a subsequent patch.

( NOTE: 'counters' are still the proper terminology when we deal
  with hardware registers - and these sed scripts are a bit
  over-eager in renaming them. I've undone some of that, but
  in case there's something left where 'counter' would be
  better than 'event' we can undo that on an individual basis
  instead of touching an otherwise nicely automated patch. )
Suggested-by: NStephane Eranian <eranian@google.com>
Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: NPaul Mackerras <paulus@samba.org>
Reviewed-by: NArjan van de Ven <arjan@linux.intel.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <linux-arch@vger.kernel.org>
LKML-Reference: <new-submission>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      cdd6c482
    • I
      perf_counter: Rename 'event' to event_id/hw_event · dfc65094
      由 Ingo Molnar 提交于 
      In preparation to the renames, to avoid a namespace clash.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      dfc65094
    • I
      perf_counter: Rename list_entry -> group_entry, counter_list -> group_list · 65abc865
      由 Ingo Molnar 提交于 
      This is in preparation of the big rename, but also makes sense
in a standalone way: 'list_entry' is a bad name as we already
have a list_entry() in list.h.

Also, the 'counter list' is too vague, it doesnt tell us the
purpose of that list.

Clarify these names to show that it's all about the group
hiearchy.
Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      65abc865
    • I
      Merge branch 'linus' into perfcounters/rename · ae82bfd6
      由 Ingo Molnar 提交于 
      Merge reason: pull in all the latest code before doing the rename.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      ae82bfd6
    • A
      Merge branch 'master' of... · 7cce2f4c
      由 Artem Bityutskiy 提交于 
      Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into linux-next

Conflicts:
	fs/ubifs/super.c

Merge the upstream tree in order to resolve a conflict with the
per-bdi writeback changes from the linux-2.6-block tree.
      7cce2f4c
    • P
      sched: Simplify sys_sched_rr_get_interval() system call · 0d721cea
      由 Peter Williams 提交于 
      By removing the need for it to know details of scheduling classes.

This allows PlugSched to define orthogonal scheduling classes.
Signed-off-by: NPeter Williams <pwil3058@bigpond.net.au>
Acked-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <06d1b89ee15a0eef82d7.1253496713@mudlark.pw.nest>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      0d721cea
    • P
      perf_counter, powerpc, sparc: Fix compilation after perf_counter_overflow() change · cd74c86b
      由 Paul Mackerras 提交于 
      Commit 5622f295 ("x86, perf_counter, bts: Optimize BTS overflow
handling") removed the regs field from struct perf_sample_data and
added a regs parameter to perf_counter_overflow().  This breaks the
build on powerpc (and Sparc) as reported by Sachin Sant:

  arch/powerpc/kernel/perf_counter.c: In function 'record_and_restart':
  arch/powerpc/kernel/perf_counter.c:1165: error: unknown field 'regs' specified in initializer

This adjusts arch/powerpc/kernel/perf_counter.c to correspond with the
new struct perf_sample_data and perf_counter_overflow().

[ v2: also fix Sparc, Markus Metzger <markus.t.metzger@intel.com> ]
Reported-by: NSachin Sant <sachinp@in.ibm.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>
Cc: Markus Metzger <markus.t.metzger@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: benh@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <19127.8400.376239.586120@drongo.ozlabs.ibm.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
      cd74c86b
    • D
      drm/vgaarb: add VGA arbitration support to the drm and kms. · 28d52043
      由 Dave Airlie 提交于 
      VGA arb requires DRM support for non-kms drivers, to turn on/off
irqs when disabling the mem/io regions.

VGA arb requires KMS support for GPUs where we can turn off VGA
decoding. Currently we know how to do this for intel and radeon
kms drivers, which allows them to be removed from the arbiter.

This patch comes from Fedora rawhide kernel.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      28d52043
    • A
      drm/radeon: some r420s have a CP race with the DMA engine. · aadd4e17
      由 Alex Deucher 提交于 
      This patch makes sure the CP doesn't DMA do VRAM while 2D
is active by inserting a CP resync token.

todo: port to kms.
Signed-off-by: NDave Airlie <airlied@redhat.com>
      aadd4e17