Commit Graph

117869 Commits

Author SHA1 Message Date
Linus Torvalds
45432371b4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (42 commits)
  Staging: usbip: fix build warning on 64bit kernels
  Staging: me4000: remove some compiler warnings
  Staging: wbusb: fix a bunch of compiler warnings
  Staging: w35und: module init cleanup
  Staging: w35und: use gotos for error handling
  Staging: w35und: remove spinlock wrappers
  Staging: sxg: fix compiler warnings.
  Staging: sxg: fix up unused function warnings
  Staging: sxg: clean up C99 comments
  Staging: Lindent the echo driver
  Staging: SLICOSS: Free multicast list at driver exit
  Staging: PCC-ACPI: Fix all checkpatch errors
  Staging: pcc-acpi: update to latest version
  Staging: Clean up sxg driver
  Staging: remove remaining uses of __FUNCTION__
  Staging: add poch driver
  Staging: wlan-ng: fix build error if wireless networking is not enabled
  Staging: echo: remove annoying "end of function" markers
  Staging: echo: remove __cplusplus macro magic
  Staging: echo: remove dead code
  ...
2008-10-23 10:09:33 -07:00
Linus Torvalds
92fb83afd6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile: (21 commits)
  OProfile: Fix buffer synchronization for IBS
  oprofile: hotplug cpu fix
  oprofile: fixing whitespaces in arch/x86/oprofile/*
  oprofile: fixing whitespaces in arch/x86/oprofile/*
  oprofile: fixing whitespaces in drivers/oprofile/*
  x86/oprofile: add the logic for enabling additional IBS bits
  x86/oprofile: reordering functions in nmi_int.c
  x86/oprofile: removing unused function parameter in add_ibs_begin()
  oprofile: more whitespace fixes
  oprofile: whitespace fixes
  OProfile: Rename IBS sysfs dir into "ibs_op"
  OProfile: Rework string handling in setup_ibs_files()
  OProfile: Rework oprofile_add_ibs_sample() function
  oprofile: discover counters for op ppro too
  oprofile: Implement Intel architectural perfmon support
  oprofile: Don't report Nehalem as core_2
  oprofile: drop const in num counters field
  Revert "Oprofile Multiplexing Patch"
  x86, oprofile: BUG: using smp_processor_id() in preemptible code
  x86/oprofile: fix on_each_cpu build error
  ...

Manually fixed trivial conflicts in
	drivers/oprofile/{cpu_buffer.c,event_buffer.h}
2008-10-23 10:05:40 -07:00
Linus Torvalds
a534487606 Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  stop_machine: fix error code handling on multiple cpus
  stop_machine: use workqueues instead of kernel threads
  workqueue: introduce create_rt_workqueue
  Call init_workqueues before pre smp initcalls.
  Make panic= and panic_on_oops into core_params
  Make initcall_debug a core_param
  core_param() for genuinely core kernel parameters
  param: Fix duplicate module prefixes
  module: check kernel param length at compile time, not runtime
  Remove stop_machine during module load v2
  module: simplify load_module.
2008-10-23 10:00:14 -07:00
Linus Torvalds
296e1ce0dc Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (36 commits)
  V4L/DVB (9336): cx88: always de-alloc frontends on fault condition
  V4L/DVB (9335): videobuf: split unregister bus creating self-contained frontend de-allocator
  V4L/DVB (9334): cx88: dvb_remove debug output
  V4L/DVB (9333): cx88: Not all boards that requires cx88-mpeg has frontends
  V4L/DVB (9332): cx88: initial fix for analogue only compilation
  V4L/DVB (9331): Remove unused inode parameter from video_ioctl2
  V4L/DVB (9330): Get rid of inode parameter at v4l_compat_translate_ioctl()
  V4L/DVB (9328): ivtvfb: FB_BLANK_POWERDOWN turns off video output
  V4L/DVB (9327): v4l: use video_device.num instead of minor in video%d
  V4L/DVB (9326): ivtv: avoid green flashing when loading ivtv
  V4L/DVB (9325): ivtv: switch to unlocked_ioctl.
  V4L/DVB (9324): v4l2: add video_ioctl2_unlocked for unlocked_ioctl support.
  V4L/DVB (9323): v4l2-int-if: Add enum_framesizes and enum_frameintervals ioctls.
  V4L/DVB (9322): v4l2-int-if: Export more interfaces to modules
  V4L/DVB (9321): v4l2-int-if: Define new power state changes
  V4L/DVB (9320): v4l2: Add 10-bit RAW Bayer formats
  V4L/DVB (9319): v4l2-int-if: Add cropcap, g_crop and s_crop commands.
  V4L/DVB (9318): v4l2-int-if: Add command to get slave private data.
  V4L/DVB (9316): s5h1411: Power down s5h1411 when not in use
  V4L/DVB (9315): s5h1411: Skip reconfiguring demod modulation if already at the desired modulation
  ...
2008-10-23 09:59:29 -07:00
Linus Torvalds
b14ea38e13 Merge branch 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'v28-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  NOHZ: fix thinko in the timer restart code path
2008-10-23 09:57:16 -07:00
Linus Torvalds
6770ab5cf5 Merge git://git.infradead.org/iommu-2.6
* git://git.infradead.org/iommu-2.6:
  Admit to maintaining VT-d, for my sins.
  dmar: fix uninitialised 'ret' variable in dmar_parse_dev()
  intel-iommu: use coherent_dma_mask in alloc_coherent
  amd_iommu: fix nasty bug that caused ILLEGAL_DEVICE_TABLE_ENTRY errors
  intel-iommu: IA64 support
  dmar: remove the quirk which disables dma-remapping when intr-remapping enabled
  dmar: Use queued invalidation interface for IOTLB and context invalidation
  dmar: context cache and IOTLB invalidation using queued invalidation
  dmar: use spin_lock_irqsave() in qi_submit_sync()
2008-10-23 09:53:14 -07:00
Linus Torvalds
326528a54f Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
  ide: remove useless subdirs from drivers/ide/
2008-10-23 09:52:39 -07:00
Linus Torvalds
3e5cce627c Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
  dm: tidy local_init
  dm: remove unused flush_all
  dm raid1: separate region_hash interface part1
  dm: mark split bio as cloned
  dm crypt: remove waitqueue
  dm crypt: fix async split
  dm crypt: tidy sector
  dm: remove dm header from targets
  dm: publish array_too_big
  dm exception store: fix misordered writes
  dm exception store: refactor zero_area
  dm snapshot: drop unused last_percent
  dm snapshot: fix primary_pe race
  dm kcopyd: avoid queue shuffle
2008-10-23 09:50:12 -07:00
H. Peter Anvin
520a2c2741 [SCSI] sd: fix computation of the full size of the device
When computing the full size of the device, we need to cast
sdkp->capacity before shifting, since in some configurations sector_t
can be a 32-bit number.

Also, change ffz(~x) to the more idiomatic ilog2(x).

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:20 -05:00
H. Peter Anvin
a8659597bf [SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact
We would hang forever when passing a zero to string_get_size().
Furthermore, string_get_size() would produce decimals on a value small
enough to be exact.  Finally, a few formatting issues are inconsistent
with standard SI style guidelines.

- If the value is less than the divisor, skip the entire rounding
  step.  This prints out all small values including zero as integers,
  without decimals.
- Add a space between the value and the symbol for the unit,
  consistent with standard SI practice.
- Lower case k in kB since we are talking about powers of 10.
- Finally, change "int" to "unsigned int" in one place to shut up a
  gcc warning when compiling the code out-of-kernel for testing.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:20 -05:00
Julia Lawall
3fe68cc152 [SCSI] sun3x_esp: Convert && to ||
The pattern !E && !E->fld is nonsensical.  The patch below updates this
according to the assumption that && should be ||.  But perhaps another
solution was intended.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@disable and_comm@
expression E;
identifier fld;
@@

- !E && !E->fld
+ !E || !E->fld
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-By: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:19 -05:00
Alan Stern
d4c9b73608 [SCSI] sd: remove command-size switching code
This patch (as1138) removes from sd.c some old code for switching from
10-byte commands to 6-byte commands.  This code is redundant -- the
switching for READ and WRITE is already handled in
scsi_io_completion() and the switching for MODE SENSE is already
handled in scsi_mode_sense().  (There is no comparable switch for MODE
SELECT, but I doubt one is needed.)

Furthermore the other handlers do a better job; they check for
appropriate ASC and ASCQ values before blindly switching the size.
The code in sd.c is known to cause problems with some devices by
switching when it shouldn't.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:19 -05:00
FUJITA Tomonori
36a529202b [SCSI] 3w-9xxx: remove unnecessary local_irq_save/restore for scsi sg copy API
Since the commit 50bed2e286 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
twa_scsiop_execute_scsi_complete() a bit, which disables interrupts
just for scsi_sg_copy_from_buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:18 -05:00
FUJITA Tomonori
0723d4a806 [SCSI] 3w-xxxx: remove unnecessary local_irq_save/restore for scsi sg copy API
Since the commit 50bed2e286 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
tw_transfer_internal, which disables interrupts just for
scsi_sg_copy_from_buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>\
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:17 -05:00
Randy Dunlap
aa198bf1da [SCSI] fix netlink kernel-doc
Fix kernel-doc warning: the function short description must be on one
line and the previous comment is not kernel-doc but it was confusing
scripts/kernel-doc.

Warning(lin2627-g3-kdocfixes//drivers/scsi/scsi_netlink.c:221): No description found for parameter 'skb'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:17 -05:00
Jamie Wellnitz
10dab22664 [SCSI] sd: Fix handling of NO_SENSE check condition
The current handling of NO_SENSE check condition is the same as
RECOVERED_ERROR, and assumes that in both cases, the I/O was fully
transferred.

We have seen cases of arrays returning with NO_SENSE (no error), but
the I/O was not completely transferred, thus residual set.  Thus,
rather than return good_bytes as the entire transfer, set good_bytes
to 0, so that the midlayer then applies the residual in calculating
the transfer, and for sd, will fail the I/O and fall into a retry
path.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:17 -05:00
Kiyoshi Ueda
6c5121b78b [SCSI] export busy state via q->lld_busy_fn()
This patch implements q->lld_busy_fn() for scsi mid layer to export
its busy state for request stacking drivers.

For efficiency, no lock is taken to check the busy state of
shost/starget/sdev, since the returned value is not guaranteed and
may be changed after request stacking drivers call the function,
regardless of taking lock or not.

When scsi can't dispatch I/Os anymore and needs to kill I/Os
(e.g. !sdev), scsi needs to return 'not busy'.
Otherwise, request stacking drivers may hold requests forever.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:16 -05:00
Kiyoshi Ueda
9d11251709 [SCSI] refactor sdev/starget/shost busy checking
This patch refactors the busy checking codes of scsi_device,
Scsi_Host and scsi_target.  There should be no functional change.

This is a preparation for another patch which exports scsi's busy
state to the block layer for request stacking drivers.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:16 -05:00
Bernd Schubert
22ab019b6f [SCSI] mptfusion: Increase scsi-timeouts, similariy to the LSI 4.x driver.
Make SPI timeout 10s the same as SAS

Signed-off-by: Bernd Schubert <bs@q-leap.de>
Acked-by: "Prakash, Sathya" <Sathya.Prakash@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:16 -05:00
thomas schorpp
7583221f60 [SCSI] aic7xxx: Take the LED out of diagnostic mode on PM resume
Take the Diag/Activity-LED of the HBA out of diagnostic mode on PM
resume after successful PM resume from standby and HBA restart, it
remained always on before. If something fails before complete
recovery, it should remain on, since it is a diagnostics LED, reason
for the used higher layer for the clear.

Signed-off-by: thomas.schorpp@gmail.com
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:16 -05:00
Alan Cox
d91ab4e7df [SCSI] aic79xx: user visible misuse wrong SI units (not disk size!)
MHZ not Mhz for SI unit pedants

Closes bug #6422

Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:15 -05:00
Akinobu Mita
d777aaf386 [SCSI] ipr: use memory_read_from_buffer()
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:15 -05:00
Harvey Harrison
3ba7f18cd9 [SCSI] aic79xx: fix shadowed variables
OK to just reuse the outer declaration as it is never used again.
drivers/scsi/aic7xxx/aic79xx_pci.c:340:12: warning: symbol 'devconfig' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:299:12: originally declared here

targpcistat is always assigned just before use, remove the inner declaration.
drivers/scsi/aic7xxx/aic79xx_pci.c:486:9: warning: symbol 'targpcistat' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:429:9: originally declared here

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:15 -05:00
Harvey Harrison
678e80a32f [SCSI] aic79xx: fix shadowed variables, add statics
Redeclared within different if/else blocks, safe to reuse the
original from beginning of function.
drivers/scsi/aic7xxx/aic79xx_core.c:2475:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2586:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2587:15: warning: symbol 'scb' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2393:13: originally declared here

Use caminfo for the outer declaration, the redeclared version is
iterating over all initiator/target pairs (devices) which.
drivers/scsi/aic7xxx/aic79xx_core.c:8857:23: warning: symbol 'devinfo' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:8711:21: originally declared here

Forward declaration was already marked static, make the definition match.
drivers/scsi/aic7xxx/aic79xx_core.c:3693:1: warning: symbol 'ahd_devlimited_syncrate' was not declared. Should it be static?

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:13 -05:00
Denys Vlasenko
060ae855a8 [SCSI] aic7xxx: update *_shipped files
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:12 -05:00
Denys Vlasenko
7b61ab89f9 [SCSI] aic7xxx: update .reg files
Update .reg files, marking unused registers with dont_generate_debug_code.
Comment explains how to use it.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:12 -05:00
Denys Vlasenko
fa25b99a50 [SCSI] aic7xxx: introduce "dont_generate_debug_code" keyword in aicasm parser
aic7xxx still contains ~30kb of dead code if pretty printing of registers
is requested. These patches deal with it.

Size differences:

   text    data     bss     dec     hex filename
DEBUG_ENABLE+PRETTY_PRINT:
 234697    2362    1188  238247   3a2a7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 205092    2362    1188  208642   32f02 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+PRETTY_PRINT:
 227272    2362    1172  230806   38596 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 197671    2362    1172  201205   311f5 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
DEBUG_ENABLE+NO_PRETTY_PRINT:
 192457    2362    1188  196007   2fda7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 192457    2362    1188  196007   2fda7 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+NO_PRETTY_PRINT:
 185040    2362    1172  188574   2e09e linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 185040    2362    1172  188574   2e09e linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o

This patch:

Introduce "dont_generate_debug_code" keyword in aicasm parser.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:12 -05:00
Chandra Seetharaman
5a36756b8b [SCSI] scsi_dh: Initialize path state to be passive when path is not owned
Set the path state to be passive when we learn that the controller does
not own the path to the LUN.

This will avoid sending even a single i/o thru the passive path at the
probe time.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:42:11 -05:00
James Bottomley
32c356d76d [SCSI] fix removable device inability to detect disk changes
On Tue, 12 Aug 2008 15:08:14 +0200
Giuliano Pochini <pochini@shiny.it> wrote:

> Fujitsu magneto-optical drive, Adaptec 29160 and
> Linux Jay 2.6.26 #7 SMP Sun Aug 10 18:34:22 CEST 2008 ppc 7455, altivec supported PowerMac3,6 GNU/Linux
>
> When I insert a disk and I mount it, scsi_test_unit_ready() is called and
> the do-while loop gets sshdr->sense_key == UNIT_ATTENTION in the first
> cycle and 0 in the second one. So the if below misses the UNIT_ATTENTION
> and sdev->changed = 1 is not executed. At this point bad things can
> happen... I'm not sure how to fix this. Any clue ?

The problem is essentially caused by us eating UNIT_ATTENTION
conditions in scsi_test_unit_ready().  Fix by updating the ->changed
flag when this happens if the media is removable.

[pochini@shiny.it: updates to tidy up patch]
Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-10-23 11:41:16 -05:00
Linus Torvalds
f2e4bd2b37 Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rcupdate: fix bug of rcu_barrier*()
  profiling: fix !procfs build

Fixed trivial conflicts in 'include/linux/profile.h'
2008-10-23 09:38:55 -07:00
Linus Torvalds
133e887f90 Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: disable the hrtick for now
  sched: revert back to per-rq vruntime
  sched: fair scheduler should not resched rt tasks
  sched: optimize group load balancer
  sched: minor fast-path overhead reduction
  sched: fix the wrong mask_len, cleanup
  sched: kill unused scheduler decl.
  sched: fix the wrong mask_len
  sched: only update rq->clock while holding rq->lock
2008-10-23 09:37:16 -07:00
Linus Torvalds
e82cff752f Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: NULL struct irq_desc's member 'name' in dynamic_irq_cleanup()
  genirq: fix off by one and coding style
  genirq: fix set_irq_type() when recording trigger type
2008-10-23 09:36:55 -07:00
Lee Howard
b80de369aa 8250: Add more OxSemi devices
These have the Mainpine PCI identifier on however

Additional paranoia check for Tornado versions added by Alan Cox

(and this time I remembered to do an stg refresh so that the corrections ended
 up in these patches not randomly attached to another diff -- Alan)

Signed-off-by: Lee Howard <lee.howard@mainpine.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:35:18 -07:00
Lee Howard
7106b4e333 8250: Oxford Semiconductor Devices
Add support for the OxSemi 'Tornado' devices.

Reformatted and reworked a bit by Alan Cox

Signed-off-by: Lee Howard <lee.howard@mainpine.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:31:09 -07:00
Johannes Berg
9f50bbad8f ALSA: aoa i2sbus: don't overwrite module parameter
We shouldn't modify a global variable here.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-10-23 18:21:40 +02:00
Alan Cox
cb4bca3540 tty: Fix tty_port kref screwup
Pass the brown paper bags please. I changed the semantics of this so the
function was supposed to do the extra kref itself then forgot to do the
change.. duh....

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:20:53 -07:00
Alan Cox
7dc9b48fc5 watchdog: Fix warning
This seems to have popped up after the recent merges:

drivers/watchdog/w83697ug_wdt.c: In function ‘w83697ug_select_wd_register’:
drivers/watchdog/w83697ug_wdt.c:105: warning: ‘return’ with a value, in function returning void

Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:19:47 -07:00
Nick Piggin
a8ddac7e53 mutex: speed up generic mutex implementations
- atomic operations which both modify the variable and return something imply
  full smp memory barriers before and after the memory operations involved
  (failing atomic_cmpxchg, atomic_add_unless, etc don't imply a barrier because
  they don't modify the target). See Documentation/atomic_ops.txt.
  So remove extra barriers and branches.

- All architectures support atomic_cmpxchg. This has no relation to
  __HAVE_ARCH_CMPXCHG. We can just take the atomic_cmpxchg path unconditionally

This reduces a simple single threaded fastpath lock+unlock test from 590 cycles
to 203 cycles on a ppc970 system.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 09:18:20 -07:00
Linus Torvalds
5a439c5657 Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6:
  xtensa: Add config files for Diamond 232L - Rev B processor variant
  xtensa: Fix io regions
  xtensa: Add support for the Sonic Ethernet device for the XT2000 board.
  xtensa: replace remaining __FUNCTION__ occurrences
  xtensa: use newer __SPIN_LOCK_UNLOCKED macro
  XTENSA: warn about including <asm/rwsem.h> directly.
2008-10-23 09:16:56 -07:00
KAMEZAWA Hiroyuki
94b6da5ab8 memcg: fix page_cgroup allocation
page_cgroup_init() is called from mem_cgroup_init(). But at this
point, we cannot call alloc_bootmem().
(and this caused panic at boot.)

This patch moves page_cgroup_init() to init/main.c.

Time table is following:
==
  parse_args(). # we can trust mem_cgroup_subsys.disabled bit after this.
  ....
  cgroup_init_early()  # "early" init of cgroup.
  ....
  setup_arch()         # memmap is allocated.
  ...
  page_cgroup_init();
  mem_init();   # we cannot call alloc_bootmem after this.
  ....
  cgroup_init() # mem_cgroup is initialized.
==

Before page_cgroup_init(), mem_map must be initialized. So,
I added page_cgroup_init() to init/main.c directly.

(*) maybe this is not very clean but
    - cgroup_init_early() is too early
    - in cgroup_init(), we have to use vmalloc instead of alloc_bootmem().
    use of vmalloc area in x86-32 is important and we should avoid very large
    vmalloc() in x86-32. So, we want to use alloc_bootmem() and added page_cgroup_init()
    directly to init/main.c

[akpm@linux-foundation.org: remove unneeded/bad mem_cgroup_subsys declaration]
[akpm@linux-foundation.org: fix build]
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Tested-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:02 -07:00
Duane Griffin
be07c4ed40 jbd: abort instead of waiting for nonexistent transactions
The __log_wait_for_space function sits in a loop checkpointing
transactions until there is sufficient space free in the journal.
However, if there are no transactions to be processed (e.g.  because the
free space calculation is wrong due to a corrupted filesystem) it will
never progress.

Check for space being required when no transactions are outstanding and
abort the journal instead of endlessly looping.

This patch fixes the bug reported by Sami Liedes at:
http://bugzilla.kernel.org/show_bug.cgi?id=10976

Signed-off-by: Duane Griffin <duaneg@dghda.com>
Tested-by: Sami Liedes <sliedes@cc.hut.fi>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:02 -07:00
Hidehiro Kawai
9f818b4ac0 jbd: test BH_Write_EIO to detect errors on metadata buffers
__try_to_free_cp_buf(), __process_buffer(), and __wait_cp_io() test
BH_Uptodate flag to detect write I/O errors on metadata buffers.  But by
commit 95450f5a7e "ext3: don't read inode
block if the buffer has a write error"(*), BH_Uptodate flag can be set to
inode buffers with BH_Write_EIO in order to avoid reading old inode data.
So now, we have to test BH_Write_EIO flag of checkpointing inode buffers
instead of BH_Uptodate.  This patch does it.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:02 -07:00
Hidehiro Kawai
2d7c820e56 ext3: add checks for errors from jbd
If the journal has aborted due to a checkpointing failure, we have to
keep the contents of the journal space.  Otherwise, the filesystem will
lose uncheckpointed metadata completely and become inconsistent.  To
avoid this, we need to keep needs_recovery flag if checkpoint has
failed.

With this patch, ext3_put_super() detects a checkpointing failure from
the return value of journal_destroy(), then it invokes ext3_abort() to
make the filesystem read only and keep needs_recovery flag.  Errors
from journal_flush() are also handled by this patch in some places.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:01 -07:00
Hidehiro Kawai
4afe978530 jbd: fix error handling for checkpoint io
When a checkpointing IO fails, current JBD code doesn't check the error
and continue journaling.  This means latest metadata can be lost from both
the journal and filesystem.

This patch leaves the failed metadata blocks in the journal space and
aborts journaling in the case of log_do_checkpoint().  To achieve this, we
need to do:

1. don't remove the failed buffer from the checkpoint list where in
   the case of __try_to_free_cp_buf() because it may be released or
   overwritten by a later transaction
2. log_do_checkpoint() is the last chance, remove the failed buffer
   from the checkpoint list and abort the journal
3. when checkpointing fails, don't update the journal super block to
   prevent the journaled contents from being cleaned.  For safety,
   don't update j_tail and j_tail_sequence either
4. when checkpointing fails, notify this error to the ext3 layer so
   that ext3 don't clear the needs_recovery flag, otherwise the
   journaled contents are ignored and cleaned in the recovery phase
5. if the recovery fails, keep the needs_recovery flag
6. prevent cleanup_journal_tail() from being called between
   __journal_drop_transaction() and journal_abort() (a race issue
   between journal_flush() and __log_wait_for_space()

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:01 -07:00
Paul Mundt
66f50ee3ce profiling: fix up CONFIG_PROC_FS=n build
In the case where procfs is disabled, create_proc_profile() does not
exist. Stub it in with the others.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:01 -07:00
Paul Mundt
4c8210427b mm: page_cgroup needs linux/vmalloc.h for vmalloc_node()/vfree().
mm/page_cgroup.c: In function 'init_section_page_cgroup':
mm/page_cgroup.c:111: error: implicit declaration of function 'vmalloc_node'
mm/page_cgroup.c:111: warning: assignment makes pointer from integer without a cast
mm/page_cgroup.c: In function '__free_page_cgroup':
mm/page_cgroup.c:140: error: implicit declaration of function 'vfree'

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-23 08:55:01 -07:00
Linus Torvalds
9bf9b2f3ad Merge git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (53 commits)
  powerpc: Support for relocatable kdump kernel
  powerpc: Don't use a 16G page if beyond mem= limits
  powerpc: Add del_node() for early boot code to prune inapplicable devices.
  powerpc: Further compile fixup for STRICT_MM_TYPECHECKS
  powerpc: Remove empty #else from signal_64.c
  powerpc: Move memory size print into common show_cpuinfo for 32-bit
  hvc_console: Remove __devexit annotation of hvc_remove()
  hvc_console: Add support for tty window resizing
  hvc_console: Fix loop if put_char() returns 0
  hvc_console: Add tty driver flag TTY_DRIVER_RESET_TERMIOS
  hvc_console: Add a hangup notifier for backends
  powerpc/83xx: Add DS1339 RTC support for MPC8349E-mITX boards .dts
  powerpc/83xx: Add support for MCU microcontroller in .dts files
  powerpc/85xx: Move mpc8572ds.dts to address-cells/size-cells = <2>
  of/spi: Support specifying chip select as active high via device tree
  powerpc: Remove device_type = "board_control" properties in .dts files
  i2c-cpm: Suppress autoprobing for devices
  powerpc/85xx: Fix mpc8536ds dma interrupt numbers
  powerpc/85xx: Enable enhanced functions for 8536 TSEC
  powerpc: Delete unused prom_strtoul and prom_memparse
  ...
2008-10-23 08:28:25 -07:00
Linus Torvalds
9779a8325a Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb: (47 commits)
  uwb: wrong sizeof argument in mac address compare
  uwb: don't use printk_ratelimit() so often
  uwb: use kcalloc where appropriate
  uwb: use time_after() when purging stale beacons
  uwb: add credits for the original developers of the UWB/WUSB/WLP subsystems
  uwb: add entries in the MAINTAINERS file
  uwb: depend on EXPERIMENTAL
  wusb: wusb-cbaf (CBA driver) sysfs ABI simplification
  uwb: document UWB and WUSB sysfs files
  uwb: add symlinks in sysfs between radio controllers and PALs
  uwb: dont tranmit identification IEs
  uwb: i1480/GUWA100U: fix firmware download issues
  uwb: i1480: remove MAC/PHY information checking function
  uwb: add Intel i1480 HWA to the UWB RC quirk table
  uwb: disable command/event filtering for D-Link DUB-1210
  uwb: initialize the debug sub-system
  uwb: Fix handling IEs with empty IE data in uwb_est_get_size()
  wusb: fix bmRequestType for Abort RPipe request
  wusb: fix error path for wusb_set_dev_addr()
  wusb: add HWA host controller driver
  ...
2008-10-23 08:20:34 -07:00
Linus Torvalds
309e1e4240 Merge branch 'for-next' of git://git.o-hand.com/linux-mfd
* 'for-next' of git://git.o-hand.com/linux-mfd:
  mfd: check for platform_get_irq() return value in sm501
  mfd: use pci_ioremap_bar() in sm501
  mfd: Don't store volatile bits in WM8350 register cache
  mfd: don't export wm3850 static functions
  mfd: twl4030-gpio driver
  mfd: rtc-twl4030 driver
  mfd: twl4030 IRQ handling update
2008-10-23 08:18:33 -07:00
Linus Torvalds
724bdd097e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/ehca: Reject dynamic memory add/remove when ehca adapter is present
  IB/ehca: Fix reported max number of QPs and CQs in systems with >1 adapter
  IPoIB: Set netdev offload features properly for child (VLAN) interfaces
  IPoIB: Clean up ethtool support
  mlx4_core: Add Ethernet PCI device IDs
  mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC
  mlx4_core: Multiple port type support
  mlx4_core: Ethernet MAC/VLAN management
  mlx4_core: Get ethernet MTU and default address from firmware
  mlx4_core: Support multiple pre-reserved QP regions
  Update NetEffect maintainer emails to Intel emails
  RDMA/cxgb3: Remove cmid reference on tid allocation failures
  IB/mad: Use krealloc() to resize snoop table
  IPoIB: Always initialize poll_timer to avoid crash on unload
  IB/ehca: Don't allow creating UC QP with SRQ
  mlx4_core: Add QP range reservation support
  RDMA/ucma: Test ucma_alloc_multicast() return against NULL, not with IS_ERR()
2008-10-23 08:16:03 -07:00