Commit Graph

50517 Commits

Author SHA1 Message Date
Neil Horman
2033e9bf06 net: add MODULE_ALIAS_NET_PF_PROTO_NAME
The MODULE_ALAIS_NET_PF macro set is missing a variant that allows for the
appending of an arbitrary string to the net-pf-<x>-proto-<y> base.  while
MODULE_ALIAS_NET_PF_PROTO_NAME_TYPE allows an appending of a numerical type, we
need to be able to append a generic string to support generic netlink families
that have neither a fix numberical protocol nor type number

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: David Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-29 22:33:55 -04:00
Felix Fietkau
617c8c1123 skb: avoid unnecessary reallocations in __skb_cow
At the beginning of __skb_cow, headroom gets set to a minimum of
NET_SKB_PAD. This causes unnecessary reallocations if the buffer was not
cloned and the headroom is just below NET_SKB_PAD, but still more than the
amount requested by the caller.
This was showing up frequently in my tests on VLAN tx, where
vlan_insert_tag calls skb_cow_head(skb, VLAN_HLEN).

Locally generated packets should have enough headroom, and for forward
paths, we already have NET_SKB_PAD bytes of headroom, so we don't need to
add any extra space here.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-29 17:30:08 -04:00
Gao feng
0c1833797a ipv6: fix incorrect ipsec fragment
Since commit ad0081e43a
"ipv6: Fragment locally generated tunnel-mode IPSec6 packets as needed"
the fragment of packets is incorrect.
because tunnel mode needs IPsec headers and trailer for all fragments,
while on transport mode it is sufficient to add the headers to the
first fragment and the trailer to the last.

so modify mtu and maxfraglen base on ipsec mode and if fragment is first
or last.

with my test,it work well(every fragment's size is the mtu)
and does not trigger slow fragment path.

Changes from v1:
	though optimization, mtu_prev and maxfraglen_prev can be delete.
	replace xfrm mode codes with dst_entry's new frag DST_XFRM_TUNNEL.
	add fuction ip6_append_data_mtu to make codes clearer.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-27 01:11:22 -04:00
Linus Torvalds
f2fde3a65e Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux
Pull main drm updates from Dave Airlie:
 "This is the main merge window request for the drm.

  It's big, but jam packed will lots of features and of course 0
  regressions.  (okay maybe there'll be one).

  Highlights:

   - new KMS drivers for server GPU chipsets: ast, mgag200 and cirrus
     (qemu only).  These drivers use the generic modesetting drivers.

   - initial prime/dma-buf support for i915, nouveau, radeon, udl and
     exynos

   - switcheroo audio support: so GPUs with HDMI can turn off the sound
     driver without crashing stuff.

   - There are some patches drifting outside drivers/gpu into x86 and
     EFI for better handling of multiple video adapters in Apple Macs,
     they've got correct acks except one trivial fixup.

   - Core:
	edid parser has better DMT and reduced blanking support,
	crtc properties,
	plane properties,

   - Drivers:
	exynos: add 2D core accel support, prime support, hdmi features
	intel: more Haswell support, initial Valleyview support, more
	    hdmi infoframe fixes, update MAINTAINERS for Daniel, lots of
	    cleanups and fixes
	radeon: more HDMI audio support, improved GPU lockup recovery
	    support, remove nested mutexes, less memory copying on PCIE, fix
	    bus master enable race (kexec), improved fence handling
	gma500: cleanups, 1080p support, acpi fixes
	nouveau: better nva3 memory reclocking, kepler accel (needs
	    external firmware rip), async buffer moves on nv84+ hw.

  I've some more dma-buf patches that rely on the dma-buf merge for vmap
  stuff, and I've a few fixes building up, but I'd decided I'd better
  get rid of the main pull sooner rather than later, so the audio guys
  are also unblocked."

Fix up trivial conflict due to some duplicated changes in
drivers/gpu/drm/i915/intel_ringbuffer.c

* 'drm-core-next' of git://people.freedesktop.org/~airlied/linux: (605 commits)
  drm/nouveau/nvd9: Fix GPIO initialisation sequence.
  drm/nouveau: Unregister switcheroo client on exit
  drm/nouveau: Check dsm on switcheroo unregister
  drm/nouveau: fix a minor annoyance in an output string
  drm/nouveau: turn a BUG into a WARN
  drm/nv50: decode PGRAPH DATA_ERROR = 0x24
  drm/nouveau/disp: fix dithering not being enabled on some eDP macbooks
  drm/nvd9/copy: initialise copy engine, seems to work like nvc0
  drm/nvc0/ttm: use copy engines for async buffer moves
  drm/nva3/ttm: use copy engine for async buffer moves
  drm/nv98/ttm: add in a (disabled) crypto engine buffer copy method
  drm/nv84/ttm: use crypto engine for async buffer copies
  drm/nouveau/ttm: untangle code to support accelerated buffer moves
  drm/nouveau/fbcon: use fence for sync, rather than notifier
  drm/nv98/crypt: non-stub implementation of the engine hooks
  drm/nouveau/fifo: turn all fifo modules into engine modules
  drm/nv50/graph: remove ability to do interrupt-driven context switching
  drm/nv50: remove manual context unload on context destruction
  drm/nv50: remove execution engine context saves on suspend
  drm/nv50/fifo: use hardware channel kickoff functionality
  ...
2012-05-24 12:42:54 -07:00
Linus Torvalds
28f3d71761 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull more networking updates from David Miller:
 "Ok, everything from here on out will be bug fixes."

1) One final sync of wireless and bluetooth stuff from John Linville.
   These changes have all been in his tree for more than a week, and
   therefore have had the necessary -next exposure.  John was just away
   on a trip and didn't have a change to send the pull request until a
   day or two ago.

2) Put back some defines in user exposed header file areas that were
   removed during the tokenring purge.  From Stephen Hemminger and Paul
   Gortmaker.

3) A bug fix for UDP hash table allocation got lost in the pile due to
   one of those "you got it..  no I've got it.." situations.  :-)

   From Tim Bird.

4) SKB coalescing in TCP needs to have stricter checks, otherwise we'll
   try to coalesce overlapping frags and crash.  Fix from Eric Dumazet.

5) RCU routing table lookups can race with free_fib_info(), causing
   crashes when we deref the device pointers in the route.  Fix by
   releasing the net device in the RCU callback.  From Yanmin Zhang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (293 commits)
  tcp: take care of overlaps in tcp_try_coalesce()
  ipv4: fix the rcu race between free_fib_info and ip_route_output_slow
  mm: add a low limit to alloc_large_system_hash
  ipx: restore token ring define to include/linux/ipx.h
  if: restore token ring ARP type to header
  xen: do not disable netfront in dom0
  phy/micrel: Fix ID of KSZ9021
  mISDN: Add X-Tensions USB ISDN TA XC-525
  gianfar:don't add FCB length to hard_header_len
  Bluetooth: Report proper error number in disconnection
  Bluetooth: Create flags for bt_sk()
  Bluetooth: report the right security level in getsockopt
  Bluetooth: Lock the L2CAP channel when sending
  Bluetooth: Restore locking semantics when looking up L2CAP channels
  Bluetooth: Fix a redundant and problematic incoming MTU check
  Bluetooth: Add support for Foxconn/Hon Hai AR5BBU22 0489:E03C
  Bluetooth: Fix EIR data generation for mgmt_device_found
  Bluetooth: Fix Inquiry with RSSI event mask
  Bluetooth: improve readability of l2cap_seq_list code
  Bluetooth: Fix skb length calculation
  ...
2012-05-24 11:54:29 -07:00
Linus Torvalds
654443e20d Merge branch 'perf-uprobes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull user-space probe instrumentation from Ingo Molnar:
 "The uprobes code originates from SystemTap and has been used for years
  in Fedora and RHEL kernels.  This version is much rewritten, reviews
  from PeterZ, Oleg and myself shaped the end result.

  This tree includes uprobes support in 'perf probe' - but SystemTap
  (and other tools) can take advantage of user probe points as well.

  Sample usage of uprobes via perf, for example to profile malloc()
  calls without modifying user-space binaries.

  First boot a new kernel with CONFIG_UPROBE_EVENT=y enabled.

  If you don't know which function you want to probe you can pick one
  from 'perf top' or can get a list all functions that can be probed
  within libc (binaries can be specified as well):

	$ perf probe -F -x /lib/libc.so.6

  To probe libc's malloc():

	$ perf probe -x /lib64/libc.so.6 malloc
	Added new event:
	probe_libc:malloc    (on 0x7eac0)

  You can now use it in all perf tools, such as:

	perf record -e probe_libc:malloc -aR sleep 1

  Make use of it to create a call graph (as the flat profile is going to
  look very boring):

	$ perf record -e probe_libc:malloc -gR make
	[ perf record: Woken up 173 times to write data ]
	[ perf record: Captured and wrote 44.190 MB perf.data (~1930712

	$ perf report | less

	  32.03%            git  libc-2.15.so   [.] malloc
	                    |
	                    --- malloc

	  29.49%            cc1  libc-2.15.so   [.] malloc
	                    |
	                    --- malloc
	                       |
	                       |--0.95%-- 0x208eb1000000000
	                       |
	                       |--0.63%-- htab_traverse_noresize

	  11.04%             as  libc-2.15.so   [.] malloc
	                     |
	                     --- malloc
	                        |

	   7.15%             ld  libc-2.15.so   [.] malloc
	                     |
	                     --- malloc
	                        |

	   5.07%             sh  libc-2.15.so   [.] malloc
	                     |
	                     --- malloc
	                        |
	   4.99%  python-config  libc-2.15.so   [.] malloc
	          |
	          --- malloc
	             |
	   4.54%           make  libc-2.15.so   [.] malloc
	                   |
	                   --- malloc
	                      |
	                      |--7.34%-- glob
	                      |          |
	                      |          |--93.18%-- 0x41588f
	                      |          |
	                      |           --6.82%-- glob
	                      |                     0x41588f

	   ...

  Or:

	$ perf report -g flat | less

	# Overhead        Command  Shared Object      Symbol
	# ........  .............  .............  ..........
	#
	  32.03%            git  libc-2.15.so   [.] malloc
	          27.19%
	              malloc

	  29.49%            cc1  libc-2.15.so   [.] malloc
	          24.77%
	              malloc

	  11.04%             as  libc-2.15.so   [.] malloc
	          11.02%
	              malloc

	   7.15%             ld  libc-2.15.so   [.] malloc
	           6.57%
	              malloc

	 ...

  The core uprobes design is fairly straightforward: uprobes probe
  points register themselves at (inode:offset) addresses of
  libraries/binaries, after which all existing (or new) vmas that map
  that address will have a software breakpoint injected at that address.
  vmas are COW-ed to preserve original content.  The probe points are
  kept in an rbtree.

  If user-space executes the probed inode:offset instruction address
  then an event is generated which can be recovered from the regular
  perf event channels and mmap-ed ring-buffer.

  Multiple probes at the same address are supported, they create a
  dynamic callback list of event consumers.

  The basic model is further complicated by the XOL speedup: the
  original instruction that is probed is copied (in an architecture
  specific fashion) and executed out of line when the probe triggers.
  The XOL area is a single vma per process, with a fixed number of
  entries (which limits probe execution parallelism).

  The API: uprobes are installed/removed via
  /sys/kernel/debug/tracing/uprobe_events, the API is integrated to
  align with the kprobes interface as much as possible, but is separate
  to it.

  Injecting a probe point is privileged operation, which can be relaxed
  by setting perf_paranoid to -1.

  You can use multiple probes as well and mix them with kprobes and
  regular PMU events or tracepoints, when instrumenting a task."

Fix up trivial conflicts in mm/memory.c due to previous cleanup of
unmap_single_vma().

* 'perf-uprobes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  perf probe: Detect probe target when m/x options are absent
  perf probe: Provide perf interface for uprobes
  tracing: Fix kconfig warning due to a typo
  tracing: Provide trace events interface for uprobes
  tracing: Extract out common code for kprobes/uprobes trace events
  tracing: Modify is_delete, is_return from int to bool
  uprobes/core: Decrement uprobe count before the pages are unmapped
  uprobes/core: Make background page replacement logic account for rss_stat counters
  uprobes/core: Optimize probe hits with the help of a counter
  uprobes/core: Allocate XOL slots for uprobes use
  uprobes/core: Handle breakpoint and singlestep exceptions
  uprobes/core: Rename bkpt to swbp
  uprobes/core: Make order of function parameters consistent across functions
  uprobes/core: Make macro names consistent
  uprobes: Update copyright notices
  uprobes/core: Move insn to arch specific structure
  uprobes/core: Remove uprobe_opcode_sz
  uprobes/core: Make instruction tables volatile
  uprobes: Move to kernel/events/
  uprobes/core: Clean up, refactor and improve the code
  ...
2012-05-24 11:39:34 -07:00
Linus Torvalds
2c01e7bc46 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer updates from Dmitry Torokhov:
 - a bunch of new drivers (DA9052/53 touchscreenn controller, Synaptics
   Navpoint, LM8333 keypads, Wacom I2C touhscreen);
 - updates to existing touchpad drivers (ALPS, Sntelic);
 - Wacom driver now supports Intuos5;
 - device-tree bindings in numerous drivers;
 - other cleanups and fixes.

Fix annoying conflict in drivers/input/tablet/wacom_wac.c that I think
implies that the input layer device naming is broken, but let's see.  I
brough it up with Dmitry.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
  Input: matrix-keymap - fix building keymaps
  Input: spear-keyboard - document DT bindings
  Input: spear-keyboard - add device tree bindings
  Input: matrix-keymap - wire up device tree support
  Input: matrix-keymap - uninline and prepare for device tree support
  Input: adp5588 - add support for gpio names
  Input: omap-keypad - dynamically handle register offsets
  Input: synaptics - fix compile warning
  MAINTAINERS: adjust input-related patterns
  Input: ALPS - switch to using input_mt_report_finger_count
  Input: ALPS - add semi-MT support for v4 protocol
  Input: Add Synaptics NavPoint (PXA27x SSP/SPI) driver
  Input: atmel_mxt_ts - dump each message on just 1 line
  Input: atmel_mxt_ts - do not read extra (checksum) byte
  Input: atmel_mxt_ts - verify object size in mxt_write_object
  Input: atmel_mxt_ts - only allow root to update firmware
  Input: atmel_mxt_ts - use CONFIG_PM_SLEEP
  Input: sentelic - report device's production serial number
  Input: tl6040-vibra - Device Tree support
  Input: evdev - properly handle read/write with count 0
  ...
2012-05-24 10:34:29 -07:00
Linus Torvalds
ab11ca34ee Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 - some V4L2 API updates needed by embedded devices
 - DVB API extensions for ATSC-MH delivery system, used in US for mobile
   TV
 - new tuners for fc0011/0012/0013 and tua9001
 - a new dvb driver for af9033/9035
 - a new ATSC-MH frontend (lg2160)
 - new remote controller keymaps
 - Removal of a few legacy webcam driver that got replaced by gspca on
   several kernel versions ago
 - a new driver for Exynos 4/5 webcams(s5pp fimc-lite)
 - a new webcam sensor driver (smiapp)
 - a new video input driver for embedded (sta2x1xx)
 - several improvements, fixes, cleanups, etc inside the drivers.

Manually fix up conflicts due to err() -> dev_err() conversion in
drivers/staging/media/easycap/easycap_main.c

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (484 commits)
  [media] saa7134-cards: Remove a PCI entry added by mistake
  [media] radio-sf16fmi: add support for SF16-FMD
  [media] rc-loopback: remove duplicate line
  [media] patch for Asus My Cinema PS3-100 (1043:48cd)
  [media] au0828: Move the Kconfig knob under V4L_USB_DRIVERS
  [media] em28xx: simple comment fix
  [media] [resend] radio-sf16fmr2: add PnP support for SF16-FMD2
  [media] smiapp: Use v4l2_ctrl_new_int_menu() instead of v4l2_ctrl_new_custom()
  [media] smiapp: Add support for 8-bit uncompressed formats
  [media] smiapp: Allow generic quirk registers
  [media] smiapp: Use non-binning limits if the binning limit is zero
  [media] smiapp: Initialise rval in smiapp_read_nvm()
  [media] smiapp: Round minimum pre_pll up rather than down in ip_clk_freq check
  [media] smiapp: Use 8-bit reads only before identifying the sensor
  [media] smiapp: Quirk for sensors that only do 8-bit reads
  [media] smiapp: Pass struct sensor to register writing commands instead of i2c_client
  [media] smiapp: Allow using external clock from the clock framework
  [media] zl10353: change .read_snr() to report SNR as a 0.1 dB
  [media] media: add support to gspca/pac7302.c for 093a:2627 (Genius FaceCam 300)
  [media] m88rs2000 - only flip bit 2 on reg 0x70 on 16th try
  ...
2012-05-24 10:21:51 -07:00
Tim Bird
31fe62b958 mm: add a low limit to alloc_large_system_hash
UDP stack needs a minimum hash size value for proper operation and also
uses alloc_large_system_hash() for proper NUMA distribution of its hash
tables and automatic sizing depending on available system memory.

On some low memory situations, udp_table_init() must ignore the
alloc_large_system_hash() result and reallocs a bigger memory area.

As we cannot easily free old hash table, we leak it and kmemleak can
issue a warning.

This patch adds a low limit parameter to alloc_large_system_hash() to
solve this problem.

We then specify UDP_HTABLE_SIZE_MIN for UDP/UDPLite hash table
allocation.

Reported-by: Mark Asselstine <mark.asselstine@windriver.com>
Reported-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-24 00:28:21 -04:00
Linus Torvalds
f9369910a6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull first series of signal handling cleanups from Al Viro:
 "This is just the first part of the queue (about a half of it);
  assorted fixes all over the place in signal handling.

  This one ends with all sigsuspend() implementations switched to
  generic one (->saved_sigmask-based).

  With this, a bunch of assorted old buglets are fixed and most of the
  missing bits of NOTIFY_RESUME hookup are in place.  Two more fixes sit
  in arm and um trees respectively, and there's a couple of broken ones
  that need obvious fixes - parisc and avr32 check TIF_NOTIFY_RESUME
  only on one of two codepaths; fixes for that will happen in the next
  series"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (55 commits)
  unicore32: if there's no handler we need to restore sigmask, syscall or no syscall
  xtensa: add handling of TIF_NOTIFY_RESUME
  microblaze: drop 'oldset' argument of do_notify_resume()
  microblaze: handle TIF_NOTIFY_RESUME
  score: add handling of NOTIFY_RESUME to do_notify_resume()
  m68k: add TIF_NOTIFY_RESUME and handle it.
  sparc: kill ancient comment in sparc_sigaction()
  h8300: missing checks of __get_user()/__put_user() return values
  frv: missing checks of __get_user()/__put_user() return values
  cris: missing checks of __get_user()/__put_user() return values
  powerpc: missing checks of __get_user()/__put_user() return values
  sh: missing checks of __get_user()/__put_user() return values
  sparc: missing checks of __get_user()/__put_user() return values
  avr32: struct old_sigaction is never used
  m32r: struct old_sigaction is never used
  xtensa: xtensa_sigaction doesn't exist
  alpha: tidy signal delivery up
  score: don't open-code force_sigsegv()
  cris: don't open-code force_sigsegv()
  blackfin: don't open-code force_sigsegv()
  ...
2012-05-23 18:11:45 -07:00
Linus Torvalds
644473e9c6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull user namespace enhancements from Eric Biederman:
 "This is a course correction for the user namespace, so that we can
  reach an inexpensive, maintainable, and reasonably complete
  implementation.

  Highlights:
   - Config guards make it impossible to enable the user namespace and
     code that has not been converted to be user namespace safe.

   - Use of the new kuid_t type ensures the if you somehow get past the
     config guards the kernel will encounter type errors if you enable
     user namespaces and attempt to compile in code whose permission
     checks have not been updated to be user namespace safe.

   - All uids from child user namespaces are mapped into the initial
     user namespace before they are processed.  Removing the need to add
     an additional check to see if the user namespace of the compared
     uids remains the same.

   - With the user namespaces compiled out the performance is as good or
     better than it is today.

   - For most operations absolutely nothing changes performance or
     operationally with the user namespace enabled.

   - The worst case performance I could come up with was timing 1
     billion cache cold stat operations with the user namespace code
     enabled.  This went from 156s to 164s on my laptop (or 156ns to
     164ns per stat operation).

   - (uid_t)-1 and (gid_t)-1 are reserved as an internal error value.
     Most uid/gid setting system calls treat these value specially
     anyway so attempting to use -1 as a uid would likely cause
     entertaining failures in userspace.

   - If setuid is called with a uid that can not be mapped setuid fails.
     I have looked at sendmail, login, ssh and every other program I
     could think of that would call setuid and they all check for and
     handle the case where setuid fails.

   - If stat or a similar system call is called from a context in which
     we can not map a uid we lie and return overflowuid.  The LFS
     experience suggests not lying and returning an error code might be
     better, but the historical precedent with uids is different and I
     can not think of anything that would break by lying about a uid we
     can't map.

   - Capabilities are localized to the current user namespace making it
     safe to give the initial user in a user namespace all capabilities.

  My git tree covers all of the modifications needed to convert the core
  kernel and enough changes to make a system bootable to runlevel 1."

Fix up trivial conflicts due to nearby independent changes in fs/stat.c

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (46 commits)
  userns:  Silence silly gcc warning.
  cred: use correct cred accessor with regards to rcu read lock
  userns: Convert the move_pages, and migrate_pages permission checks to use uid_eq
  userns: Convert cgroup permission checks to use uid_eq
  userns: Convert tmpfs to use kuid and kgid where appropriate
  userns: Convert sysfs to use kgid/kuid where appropriate
  userns: Convert sysctl permission checks to use kuid and kgids.
  userns: Convert proc to use kuid/kgid where appropriate
  userns: Convert ext4 to user kuid/kgid where appropriate
  userns: Convert ext3 to use kuid/kgid where appropriate
  userns: Convert ext2 to use kuid/kgid where appropriate.
  userns: Convert devpts to use kuid/kgid where appropriate
  userns: Convert binary formats to use kuid/kgid where appropriate
  userns: Add negative depends on entries to avoid building code that is userns unsafe
  userns: signal remove unnecessary map_cred_ns
  userns: Teach inode_capable to understand inodes whose uids map to other namespaces.
  userns: Fail exec for suid and sgid binaries with ids outside our user namespace.
  userns: Convert stat to return values mapped from kuids and kgids
  userns: Convert user specfied uids and gids in chown into kuids and kgid
  userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
  ...
2012-05-23 17:42:39 -07:00
Linus Torvalds
d5b4bb4d10 Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull the MCA deletion branch from Paul Gortmaker:
 "It was good that we could support MCA machines back in the day, but
  realistically, nobody is using them anymore.  They were mostly limited
  to 386-sx 16MHz CPU and some 486 class machines and never more than
  64MB of RAM.  Even the enthusiast hobbyist community seems to have
  dried up close to ten years ago, based on what you can find searching
  various websites dedicated to the relatively short lived hardware.

  So lets remove the support relating to CONFIG_MCA.  There is no point
  carrying this forward, wasting cycles doing routine maintenance on it;
  wasting allyesconfig build time on validating it, wasting I/O on git
  grep'ping over it, and so on."

Let's see if anybody screams.  It generally has compiled, and James
Bottomley pointed out that there was a MCA extension from NCR that
allowed for up to 4GB of memory and PPro-class machines.  So in *theory*
there may be users out there.

But even James (technically listed as a maintainer) doesn't actually
have a system, and while Alan Cox claims to have a machine in his cellar
that he offered to anybody who wants to take it off his hands, he didn't
argue for keeping MCA support either.

So we could bring it back.  But somebody had better speak up and talk
about how they have actually been using said MCA hardware with modern
kernels for us to do that.  And David already took the patch to delete
all the networking driver code (commit a5e371f61a: "drivers/net:
delete all code/drivers depending on CONFIG_MCA").

* 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  MCA: delete all remaining traces of microchannel bus support.
  scsi: delete the MCA specific drivers and driver code
  serial: delete the MCA specific 8250 support.
  arm: remove ability to select CONFIG_MCA
2012-05-23 17:12:06 -07:00
Linus Torvalds
c80ddb5263 md updates for 3.5
Main features:
  - RAID10 arrays can be reshapes - adding and removing devices and
    changing chunks (not 'far' array though)
  - allow RAID5 arrays to be reshaped with a backup file (not tested
    yet, but the priciple works fine for RAID10).
  - arrays can be reshaped while a bitmap is present - you no longer
    need to remove it first
  - SSSE3 support for RAID6 syndrome calculations
 
 and of course a number of minor fixes etc.
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Merge tag 'md-3.5' of git://neil.brown.name/md

Pull md updates from NeilBrown:
 "It's been a busy cycle for md - lots of fun stuff here..  if you like
  this kind of thing :-)

  Main features:
   - RAID10 arrays can be reshaped - adding and removing devices and
     changing chunks (not 'far' array though)
   - allow RAID5 arrays to be reshaped with a backup file (not tested
     yet, but the priciple works fine for RAID10).
   - arrays can be reshaped while a bitmap is present - you no longer
     need to remove it first
   - SSSE3 support for RAID6 syndrome calculations

  and of course a number of minor fixes etc."

* tag 'md-3.5' of git://neil.brown.name/md: (56 commits)
  md/bitmap: record the space available for the bitmap in the superblock.
  md/raid10: Remove extras after reshape to smaller number of devices.
  md/raid5: improve removal of extra devices after reshape.
  md: check the return of mddev_find()
  MD RAID1: Further conditionalize 'fullsync'
  DM RAID: Use md_error() in place of simply setting Faulty bit
  DM RAID: Record and handle missing devices
  DM RAID: Set recovery flags on resume
  md/raid5: Allow reshape while a bitmap is present.
  md/raid10: resize bitmap when required during reshape.
  md: allow array to be resized while bitmap is present.
  md/bitmap: make sure reshape request are reflected in superblock.
  md/bitmap: add bitmap_resize function to allow bitmap resizing.
  md/bitmap: use DIV_ROUND_UP instead of open-code
  md/bitmap: create a 'struct bitmap_counts' substructure of 'struct bitmap'
  md/bitmap: make bitmap bitops atomic.
  md/bitmap: make _page_attr bitops atomic.
  md/bitmap: merge bitmap_file_unmap and bitmap_file_put.
  md/bitmap: remove async freeing of bitmap file.
  md/bitmap: convert some spin_lock_irqsave to spin_lock_irq
  ...
2012-05-23 17:08:40 -07:00
Linus Torvalds
2c13bc0f8f Merge branch 'sbp-target-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull sbp-2 (firewire) target mode support from Nicholas Bellinger:
 "The FireWire SBP-2 Target is a driver for using an IEEE-1394
  connection as a SCSI transport.  This module uses the SCSI Target
  framework to expose LUNs to other machines attached to a FireWire bus,
  in effect acting as a FireWire hard disk similar to FireWire Target
  Disk mode on many Apple computers.

  Also included are the two drivers/firewire/ patches required by
  sbp-target to access fw_request fabric speed needed for mgt_agent
  TCODE_WRITE_BLOCK_REQUEST ops, and exporting fw_card kref logic used
  when creating/destroying active session references to individual
  endpoints.

  A credit goes to Chris in being able to get this code up and running
  so quickly w/o any target core changes, and special thanks goes out to
  Stefan Richter + Clemens Ladisch + Andy Grover for their help in
  getting this driver ready for mainline.  Also, one of Chris's goals
  was to be able to connect sbp-target to a PowerPC based MacOS-X based
  client, that he accomplished along the way in this obligatory
  screenshot:

    http://linux-iscsi.org/wiki/File:Linux-fireware-target-bootc-macosx.png

  Great work Chris + linux-1394 team !!"

Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

* 'sbp-target-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  sbp-target: Initial merge of firewire/ieee-1394 target mode support
  firewire: Move fw_card kref functions into linux/firewire.h
  firewire: Add function to get speed from opaque struct fw_request
2012-05-23 16:52:27 -07:00
Linus Torvalds
59d0952b43 Changes, all of them boring and minor:
1) Ugly MSFT Hyper-V workaround in ata_piix
 
 2) Fix a longstanding error recovery delay caused by excessive
    re-re-retries, when media errors occur.
 
 3) Minor hw-specific workarounds and quirks
 
 4) New PATA driver for ep93xx
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Merge tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

Pull libata update from Jeff Garzik:
 "Changes, all of them boring and minor:

  1) Ugly MSFT Hyper-V workaround in ata_piix

  2) Fix a longstanding error recovery delay caused by excessive
     re-re-retries, when media errors occur.

  3) Minor hw-specific workarounds and quirks

  4) New PATA driver for ep93xx"

* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  PATA host controller driver for ep93xx
  [libata] Add " 2GB ATA Flash Disk"/"ADMA428M" to DMA blacklist
  ata_generic: Skip is_intel_ider() check when ata_generic=1 is set
  libata-eh don't waste time retrying media errors (v3)
  ata_piix: defer disks to the Hyper-V drivers by default
  libata: add a host flag to ignore detected ATA devices
2012-05-23 15:27:39 -07:00
Linus Torvalds
1259f6ee15 hwmon updates for 3.5-rc1
New driver for INA219 and INA226, added support for IT8782F and IT8783E/F to
 it87 driver, plus cleanups in a couple of drivers.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New driver for INA219 and INA226, added support for IT8782F and
  IT8783E/F to it87 driver, plus cleanups in a couple of drivers."

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (it87) Make temp3 attribute conditional for IT8782F
  hwmon: (it87) Convert to use devm_kzalloc and devm_request_region
  hwmon: INA219 and INA226 support
  hwmon: (it87) Create voltage attributes only if voltage is enabled
  hwmon: (ntc_thermistor) Fix checkpatch warning
  hwmon: (ntc_thermistor) Optimize and fix build warning
  hwmon: (ntc_thermistor) Return error code from hwmon_device_register
  hwmon: (ntc_thermistor) Convert to devm_kzalloc
  hwmon: (ad7314) Remove unused defines, and rename OFFSET to SHIFT
  acpi_power_meter: clean up code around setup_attrs
  acpi_power_meter: drop meter_rw_attrs, use common meter_attrs
  acpi_power_meter: remove duplicate code between register_{ro,rw}_attrs
  acpi_power_meter: use a {RW,RO}_SENSOR_TEMPLATE macro to clean things up
  acpi_power_meter: use the same struct {rw,ro}_sensor_template for both
  hwmon: use module_pci_driver
  hwmon: (it87) Add support for IT8782F and IT8783E/F
2012-05-23 14:15:09 -07:00
Linus Torvalds
468f4d1a85 Power management updates for 3.5
* Implementation of opportunistic suspend (autosleep) and user space interface
   for manipulating wakeup sources.
 
 * Hibernate updates from Bojan Smojver and Minho Ban.
 
 * Updates of the runtime PM core and generic PM domains framework related to
   PM QoS.
 
 * Assorted fixes.
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Merge tag 'pm-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:

 - Implementation of opportunistic suspend (autosleep) and user space
   interface for manipulating wakeup sources.

 - Hibernate updates from Bojan Smojver and Minho Ban.

 - Updates of the runtime PM core and generic PM domains framework
   related to PM QoS.

 - Assorted fixes.

* tag 'pm-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
  epoll: Fix user space breakage related to EPOLLWAKEUP
  PM / Domains: Make it possible to add devices to inactive domains
  PM / Hibernate: Use get_gendisk to verify partition if resume_file is integer format
  PM / Domains: Fix computation of maximum domain off time
  PM / Domains: Fix link checking when add subdomain
  PM / Sleep: User space wakeup sources garbage collector Kconfig option
  PM / Sleep: Make the limit of user space wakeup sources configurable
  PM / Documentation: suspend-and-cpuhotplug.txt: Fix typo
  PM / Domains: Cache device stop and domain power off governor results, v3
  PM / Domains: Make device removal more straightforward
  PM / Sleep: Fix a mistake in a conditional in autosleep_store()
  epoll: Add a flag, EPOLLWAKEUP, to prevent suspend while epoll events are ready
  PM / QoS: Create device constraints objects on notifier registration
  PM / Runtime: Remove device fields related to suspend time, v2
  PM / Domains: Rework default domain power off governor function, v2
  PM / Domains: Rework default device stop governor function, v2
  PM / Sleep: Add user space interface for manipulating wakeup sources, v3
  PM / Sleep: Add "prevent autosleep time" statistics to wakeup sources
  PM / Sleep: Implement opportunistic sleep, v2
  PM / Sleep: Add wakeup_source_activate and wakeup_source_deactivate tracepoints
  ...
2012-05-23 14:07:06 -07:00
Linus Torvalds
2e341ca686 Sound updates for 3.5-rc1
This is the first big chunk for 3.5 merges of sound stuff.
 There are a few big changes in different areas.  First off, the
 streaming logic of USB-audio endpoints has been largely rewritten
 for the better support of "implicit feedback".  If anything about USB
 got broken, this change has to be checked.
 
 For HD-audio, the resume procedure was changed; instead of delaying
 the resume of the hardware until the first use, now waking up immediately
 at resume.  This is for buggy BIOS.
 
 For ASoC, dynamic PCM support and the improved support for digital links
 between off-SoC devices are major framework changes.
 
 Some highlights are below:
 
 * HD-audio
 - Avoid the accesses of invalid pin-control bits that may stall the codec
 - V-ref setup cleanups
 - Fix the races in power-saving code
 - Fix the races in codec cache hashes and connection lists
 - Split some common codes for BIOS auto-parser to hda_auto_parser.c
 - Changed the PM resume code to wake up immediately for buggy BIOS
 - Creative SoundCore3D support
 - Add Conexant CX20751/2/3/4 codec support
 
 * ASoC
 - Dynamic PCM support, allowing support for SoCs with internal routing
   through components with tight sequencing and formatting constraints
   within their internal paths or where there are multiple components
   connected with CPU managed DMA controllers inside the SoC.
 - Greatly improved support for direct digital links between off-SoC
   devices, providing a much simpler way of connecting things like digital
   basebands to CODECs.
 - Much more fine grained and robust locking, cleaning up some of the
   confusion that crept in with multi-component.
 - CPU support for nVidia Tegra 30 I2S and audio hub controllers and
   ST-Ericsson MSP I2S controolers
 - New CODEC drivers for Cirrus CS42L52, LAPIS Semiconductor ML26124, Texas
   Instruments LM49453.
 - Some regmap changes needed by the Tegra I2S driver.
 - mc13783 audio support.
 
 * Misc
 - Rewrite with module_pci_driver()
 - Xonar DGX support for snd-oxygen
 - Improvement of packet handling in snd-firewire driver
 - New USB-endpoint streaming logic
 - Enhanced M-audio FTU quirks and relevant cleanups
 - Increment the support of OSS devices to 256
 - snd-aloop accuracy improvement
 
 There are a few more pending changes for 3.5, but they will be
 sent slightly later as partly depending on the changes of DRM.
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Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This is the first big chunk for 3.5 merges of sound stuff.

  There are a few big changes in different areas.  First off, the
  streaming logic of USB-audio endpoints has been largely rewritten for
  the better support of "implicit feedback".  If anything about USB got
  broken, this change has to be checked.

  For HD-audio, the resume procedure was changed; instead of delaying
  the resume of the hardware until the first use, now waking up
  immediately at resume.  This is for buggy BIOS.

  For ASoC, dynamic PCM support and the improved support for digital
  links between off-SoC devices are major framework changes.

  Some highlights are below:

  * HD-audio
   - Avoid accesses of invalid pin-control bits that may stall the codec
   - V-ref setup cleanups
   - Fix the races in power-saving code
   - Fix the races in codec cache hashes and connection lists
   - Split some common codes for BIOS auto-parser to hda_auto_parser.c
   - Changed the PM resume code to wake up immediately for buggy BIOS
   - Creative SoundCore3D support
   - Add Conexant CX20751/2/3/4 codec support

  * ASoC
   - Dynamic PCM support, allowing support for SoCs with internal
     routing through components with tight sequencing and formatting
     constraints within their internal paths or where there are multiple
     components connected with CPU managed DMA controllers inside the
     SoC.
   - Greatly improved support for direct digital links between off-SoC
     devices, providing a much simpler way of connecting things like
     digital basebands to CODECs.
   - Much more fine grained and robust locking, cleaning up some of the
     confusion that crept in with multi-component.
   - CPU support for nVidia Tegra 30 I2S and audio hub controllers and
     ST-Ericsson MSP I2S controolers
   - New CODEC drivers for Cirrus CS42L52, LAPIS Semiconductor ML26124,
     Texas Instruments LM49453.
   - Some regmap changes needed by the Tegra I2S driver.
   - mc13783 audio support.

  * Misc
   - Rewrite with module_pci_driver()
   - Xonar DGX support for snd-oxygen
   - Improvement of packet handling in snd-firewire driver
   - New USB-endpoint streaming logic
   - Enhanced M-audio FTU quirks and relevant cleanups
   - Increment the support of OSS devices to 256
   - snd-aloop accuracy improvement

  There are a few more pending changes for 3.5, but they will be sent
  slightly later as partly depending on the changes of DRM."

Fix up conflicts in regmap (due to duplicate patches, with some further
updates then having already come in from the regmap tree).  Also some
fairly trivial context conflicts in the imx and mcx soc drivers.

* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (280 commits)
  ALSA: snd-usb: fix stream info output in /proc
  ALSA: pcm - Add proper state checks to snd_pcm_drain()
  ALSA: sh: Fix up namespace collision in sh_dac_audio.
  ALSA: hda/realtek - Fix unused variable compile warning
  ASoC: sh: fsi: enable chip specific data transfer mode
  ASoC: sh: fsi: call fsi_hw_startup/shutdown from fsi_dai_trigger()
  ASoC: sh: fsi: use same format for IN/OUT
  ASoC: sh: fsi: add fsi_version() and removed meaningless version check
  ASoC: sh: fsi: use register field macro name on IN/OUT_DMAC
  ASoC: tegra: Add machine driver for WM8753 codec
  ALSA: hda - Fix possible races of accesses to connection list array
  ASoC: OMAP: HDMI: Introduce codec
  ARM: mx31_3ds: Add sound support
  ASoC: imx-mc13783 cleanup
  mx31moboard: Add sound support
  ASoC: mc13783 codec cleanups
  ASoC: add imx-mc13783 sound support
  ASoC: Add mc13783 codec
  mfd: mc13xxx: add codec platform data
  ASoC: don't flip master of DT-instantiated DAI links
  ...
2012-05-23 13:05:43 -07:00
Linus Torvalds
56edab3159 Merge branches 'perf-urgent-for-linus' and 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:

 - Leftover AMD PMU driver fix fix from the end of the v3.4
   stabilization cycle.

 - Late tools/perf/ changes that missed the first round:
    * endianness fixes
    * event parsing improvements
    * libtraceevent fixes factored out from trace-cmd
    * perl scripting engine fixes related to libtraceevent,
    * testcase improvements
    * perf inject / pipe mode fixes
    * plus a kernel side fix

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Update event scheduling constraints for AMD family 15h models

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Revert "sched, perf: Use a single callback into the scheduler"
  perf evlist: Show event attribute details
  perf tools: Bump default sample freq to 4 kHz
  perf buildid-list: Work better with pipe mode
  perf tools: Fix piped mode read code
  perf inject: Fix broken perf inject -b
  perf tools: rename HEADER_TRACE_INFO to HEADER_TRACING_DATA
  perf tools: Add union u64_swap type for swapping u64 data
  perf tools: Carry perf_event_attr bitfield throught different endians
  perf record: Fix documentation for branch stack sampling
  perf target: Add cpu flag to sample_type if target has cpu
  perf tools: Always try to build libtraceevent
  perf tools: Rename libparsevent to libtraceevent in Makefile
  perf script: Rename struct event to struct event_format in perl engine
  perf script: Explicitly handle known default print arg type
  perf tools: Add hardcoded name term for pmu events
  perf tools: Separate 'mem:' event scanner bits
  perf tools: Use allocated list for each parsed event
  perf tools: Add support for displaying event parser debug info
  perf test: Move parse event automated tests to separated object
2012-05-23 12:12:49 -07:00
Linus Torvalds
44bc40e148 Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform changes from Ingo Molnar:
 "This tree includes assorted platform driver updates and a preparatory
  series for a platform with custom DMA remapping semantics (sta2x11 I/O
  hub)."

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vsmp: Fix number of CPUs when vsmp is disabled
  keyboard: Use BIOS Keyboard variable to set Numlock
  x86/olpc/xo1/sci: Report RTC wakeup events
  x86/olpc/xo1/sci: Produce wakeup events for buttons and switches
  x86, platform: Initial support for sta2x11 I/O hub
  x86: Introduce CONFIG_X86_DMA_REMAP
  x86-32: Introduce CONFIG_X86_DEV_DMA_OPS
2012-05-23 11:16:40 -07:00
Paul Gortmaker
d0a24a3516 ipx: restore token ring define to include/linux/ipx.h
Commit 211ed86510

    "net: delete all instances of special processing for token ring"

removed the define for IPX_FRAME_TR_8022.

While it is unlikely, we can't be 100% sure that there aren't
random userspace consumers of this value, so restore it.

The only instance I could find was in ncpfs-2.2.6, and it was
safe as-is, since it used #ifdef IPX_FRAME_TR_8022 around the
two use cases it had, but there may be other userspace packages
without similar ifdefs.

Cc: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-23 13:49:23 -04:00
Linus Torvalds
3a8580f820 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
 "Most changes are bug fixes and cleanups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: missing checks of __put_user()/__get_user() return values
  um: stub_rt_sigsuspend isn't needed these days anymore
  um/x86: merge (and trim) 32- and 64-bit variants of ptrace.h
  irq: Remove irq_chip->release()
  um: Remove CONFIG_IRQ_RELEASE_METHOD
  um: Remove usage of irq_chip->release()
  um: Implement um_free_irq()
  um: Fix __swp_type()
  um: Implement a custom pte_same() function
  um: Add BUG() to do_ops()'s error path
  um: Remove unused variables
  um: bury unused _TIF_RESTORE_SIGMASK
  um: wrong sigmask saved in case of multiple sigframes
  um: add TIF_NOTIFY_RESUME
  um: ->restart_block.fn needs to be reset on sigreturn
2012-05-23 09:01:41 -07:00
Linus Torvalds
1d767cae4d SuperH updates for 3.5-rc1 merge window
- New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A)
 - New boards: RSK2+SH7264, RSK2+SH7269
 - Unbreaking kgdb for SMP
 - Consolidation of _32/_64 page fault handling.
 - watchdog and legacy DMA chainsawing, part 1
 - Conversion to evt2irq() hwirq lookup, to support relocation
   of vectored IRQs for irqdomains.
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH updates from Paul Mundt:
 - New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A)
 - New boards: RSK2+SH7264, RSK2+SH7269
 - Unbreaking kgdb for SMP
 - Consolidation of _32/_64 page fault handling.
 - watchdog and legacy DMA chainsawing, part 1
 - Conversion to evt2irq() hwirq lookup, to support relocation of
   vectored IRQs for irqdomains.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (98 commits)
  sh: intc: Kill off special reservation interface.
  sh: Enable PIO API for hp6xx and se770x.
  sh: Kill off machvec IRQ hinting.
  sh: dma: More legacy cpu dma chainsawing.
  sh: Kill off MAX_DMA_ADDRESS leftovers.
  sh: Tidy up some of the cpu legacy dma header mess.
  sh: Move sh4a dma header from cpu-sh4 to cpu-sh4a.
  sh64: Fix up vmalloc fault range check.
  Revert "sh: Ensure fixmap and store queue space can co-exist."
  serial: sh-sci: Fix for port types without BRI interrupts.
  sh: legacy PCI evt2irq migration.
  sh: cpu dma evt2irq migration.
  sh: sh7763rdp evt2irq migration.
  sh: sdk7780 evt2irq migration.
  sh: migor evt2irq migration.
  sh: landisk evt2irq migration.
  sh: kfr2r09 evt2irq migration.
  sh: ecovec24 evt2irq migration.
  sh: ap325rxa evt2irq migration.
  sh: urquell evt2irq migration.
  ...
2012-05-23 09:00:40 -07:00
Jiri Olsa
ab0cce560e Revert "sched, perf: Use a single callback into the scheduler"
This reverts commit cb04ff9ac4 ("sched, perf: Use a single
callback into the scheduler").

Before this change was introduced, the process switch worked
like this (wrt. to perf event schedule):

     schedule (prev, next)
       - schedule out all perf events for prev
       - switch to next
       - schedule in all perf events for current (next)

After the commit, the process switch looks like:

     schedule (prev, next)
       - schedule out all perf events for prev
       - schedule in all perf events for (next)
       - switch to next

The problem is, that after we schedule perf events in, the pmu
is enabled and we can receive events even before we make the
switch to next - so "current" still being prev process (event
SAMPLE data are filled based on the value of the "current"
process).

Thats exactly what we see for test__PERF_RECORD test. We receive
SAMPLES with PID of the process that our tracee is scheduled
from.

Discussed with Peter Zijlstra:

 > Bah!, yeah I guess reverting is the right thing for now. Sad
 > though.
 >
 > So by having the two hooks we have a black-spot between them
 > where we receive no events at all, this black-spot covers the
 > hand-over of current and we thus don't receive the 'wrong'
 > events.
 >
 > I rather liked we could do away with both that black-spot and
 > clean up the code a little, but apparently people rely on it.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: acme@redhat.com
Cc: paulus@samba.org
Cc: cjashfor@linux.vnet.ibm.com
Cc: fweisbec@gmail.com
Cc: eranian@google.com
Link: http://lkml.kernel.org/r/20120523111302.GC1638@m.brq.redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-05-23 17:40:51 +02:00
Dave Airlie
129b78bfca ttm: add prime sharing support to TTM (v2)
This adds the ability for ttm common code to take an SG table
and use it as the backing for a slave TTM object.

The drivers can then populate their GTT tables using the SG object.

v2: make sure to setup VM for sg bos as well.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-23 10:46:27 +01:00
Dave Airlie
51ab7ba267 drm/prime: introduce sg->pages/addr arrays helper
the ttm drivers need this currently, in order to get fault handling
working and efficient.

It also allows addrs to be NULL for devices like udl.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-05-23 10:45:57 +01:00
Linus Torvalds
6101167727 dlm for 3.5
This set includes some minor fixes and improvements.
 The one large patch addresses the special "nodir" mode,
 which has been a long neglected proof of concept, but
 with these fixes seems to be quite usable.  It allows
 the resource master to be assigned statically instead of
 dynamically, which can improve performance if there is
 little locality and most resources are shared.
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Merge tag 'dlm-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This set includes some minor fixes and improvements.  The one large
  patch addresses the special "nodir" mode, which has been a long
  neglected proof of concept, but with these fixes seems to be quite
  usable.  It allows the resource master to be assigned statically
  instead of dynamically, which can improve performance if there is
  little locality and most resources are shared."

* tag 'dlm-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: NULL dereference on failure in kmem_cache_create()
  gfs2: fix recovery during unmount
  dlm: fixes for nodir mode
  dlm: improve error and debug messages
  dlm: avoid unnecessary search in search_rsb
  dlm: limit rcom debug messages
  dlm: fix waiter recovery
  dlm: prevent connections during shutdown
2012-05-22 19:31:38 -07:00
Linus Torvalds
6133308ad1 UBIFS:
* Always support xattrs    (remove the Kconfig option)
    * Always support debugging (remove the Kconfig option)
    * A fix for a memory leak on error path
    * A number of clean-ups
 UBI:
    * Always support debugging (remove the Kconfig option)
    * Remove "data type" hint support
    * Huge amount of renames to prepare for the fastmap wor
    * A lot of clean-ups
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Merge tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI and UBIFS updates from Artem Bityutskiy:

UBIFS:
   * Always support xattrs    (remove the Kconfig option)
   * Always support debugging (remove the Kconfig option)
   * A fix for a memory leak on error path
   * A number of clean-ups
UBI:
   * Always support debugging (remove the Kconfig option)
   * Remove "data type" hint support
   * Huge amount of renames to prepare for the fastmap wor
   * A lot of clean-ups

* tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifs: (54 commits)
  UBI: modify ubi_wl_flush function to clear work queue for a lnum
  UBI: introduce UBI_ALL constant
  UBI: add lnum and vol_id to struct ubi_work
  UBI: add volume id struct ubi_ainf_peb
  UBI: add in hex the value for UBI_INTERNAL_VOL_START to comment
  UBI: rename scan.c to attach.c
  UBI: remove scan.h
  UBI: rename UBI_SCAN_UNKNOWN_EC
  UBI: move and rename attach_by_scanning
  UBI: rename _init_scan functions
  UBI: amend comments after all the renamings
  UBI: rename ubi_scan_leb_slab
  UBI: rename ubi_scan_move_to_list
  UBI: rename ubi_scan_destroy_ai
  UBI: rename ubi_scan_get_free_peb
  UBI: rename ubi_scan_rm_volume
  UBI: rename ubi_scan_find_av
  UBI: rename ubi_scan_add_used
  UBI: remove unused function
  UBI: make ubi_scan_erase_peb static and rename
  ...
2012-05-22 19:30:27 -07:00
Linus Torvalds
e8650a0823 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
 "As usual, it's mostly typo fixes, redundant code elimination and some
  documentation updates."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (57 commits)
  edac, mips: don't change code that has been removed in edac/mips tree
  xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer
  lib: Change mail address of Oskar Schirmer
  net: Change mail address of Oskar Schirmer
  arm/m68k: Change mail address of Sebastian Hess
  i2c: Change mail address of Oskar Schirmer
  net: Fix tcp_build_and_update_options comment in struct tcp_sock
  atomic64_32.h: fix parameter naming mismatch
  Kconfig: replace "--- help ---" with "---help---"
  c2port: fix bogus Kconfig "default no"
  edac: Fix spelling errors.
  qla1280: Remove redundant NULL check before release_firmware() call
  remoteproc: remove redundant NULL check before release_firmware()
  qla2xxx: Remove redundant NULL check before release_firmware() call.
  aic94xx: Get rid of redundant NULL check before release_firmware() call
  tehuti: delete redundant NULL check before release_firmware()
  qlogic: get rid of a redundant test for NULL before call to release_firmware()
  bna: remove redundant NULL test before release_firmware()
  tg3: remove redundant NULL test before release_firmware() call
  typhoon: get rid of redundant conditional before all to release_firmware()
  ...
2012-05-22 19:22:50 -07:00
Linus Torvalds
3c2c4b73aa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID subsystem updates from Jiri Kosina:
 "Apart from various driver updates and added support for a number of
  new devices (mostly multitouch ones, but not limited to), there is one
  change that is worth pointing out explicitly: creation of HID device
  groups and proper autoloading of hid-multitouch, implemented by Henrik
  Rydberg."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (50 commits)
  HID: wacom: fix build breakage without CONFIG_LEDS_CLASS
  HID: waltop: Extend barrel button fix
  HID: hyperv: Set the hid drvdata correctly
  HID: wacom: Unify speed setting
  HID: wacom: Add speed setting for Intuos4 WL
  HID: wacom: Move Graphire raport header check.
  HID: uclogic: Add support for UC-Logic TWHL850
  HID: explain the signed/unsigned handling in hid_add_field()
  HID: handle logical min/max signedness properly in parser
  HID: logitech: read all 32 bits of report type bitfield
  HID: wacom: Add LED selector control for Wacom Intuos4 WL
  HID: hid-multitouch: fix wrong protocol detection
  HID: wiimote: Fix IR data parser
  HID: wacom: Add tilt reporting for Intuos4 WL
  HID: multitouch: MT interface matching for Baanto
  HID: hid-multitouch: Only match MT interfaces
  HID: Create a common generic driver
  HID: hid-multitouch: Switch to device groups
  HID: Create a generic device group
  HID: Allow bus wildcard matching
  ...
2012-05-22 19:21:48 -07:00
Linus Torvalds
d79ee93de9 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar:
 "The biggest change is the cleanup/simplification of the load-balancer:
  instead of the current practice of architectures twiddling scheduler
  internal data structures and providing the scheduler domains in
  colorfully inconsistent ways, we now have generic scheduler code in
  kernel/sched/core.c:sched_init_numa() that looks at the architecture's
  node_distance() parameters and (while not fully trusting it) deducts a
  NUMA topology from it.

  This inevitably changes balancing behavior - hopefully for the better.

  There are various smaller optimizations, cleanups and fixlets as well"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Taint kernel with TAINT_WARN after sleep-in-atomic bug
  sched: Remove stale power aware scheduling remnants and dysfunctional knobs
  sched/debug: Fix printing large integers on 32-bit platforms
  sched/fair: Improve the ->group_imb logic
  sched/nohz: Fix rq->cpu_load[] calculations
  sched/numa: Don't scale the imbalance
  sched/fair: Revert sched-domain iteration breakage
  sched/x86: Rewrite set_cpu_sibling_map()
  sched/numa: Fix the new NUMA topology bits
  sched/numa: Rewrite the CONFIG_NUMA sched domain support
  sched/fair: Propagate 'struct lb_env' usage into find_busiest_group
  sched/fair: Add some serialization to the sched_domain load-balance walk
  sched/fair: Let minimally loaded cpu balance the group
  sched: Change rq->nr_running to unsigned int
  x86/numa: Check for nonsensical topologies on real hw as well
  x86/numa: Hard partition cpu topology masks on node boundaries
  x86/numa: Allow specifying node_distance() for numa=fake
  x86/sched: Make mwait_usable() heed to "idle=" kernel parameters properly
  sched: Update documentation and comments
  sched_rt: Avoid unnecessary dequeue and enqueue of pushable tasks in set_cpus_allowed_rt()
2012-05-22 18:27:32 -07:00
Linus Torvalds
2ff2b289a6 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf changes from Ingo Molnar:
 "Lots of changes:

   - (much) improved assembly annotation support in perf report, with
     jump visualization, searching, navigation, visual output
     improvements and more.

    - kernel support for AMD IBS PMU hardware features.  Notably 'perf
      record -e cycles:p' and 'perf top -e cycles:p' should work without
      skid now, like PEBS does on the Intel side, because it takes
      advantage of IBS transparently.

    - the libtracevents library: it is the first step towards unifying
      tracing tooling and perf, and it also gives a tracing library for
      external tools like powertop to rely on.

    - infrastructure: various improvements and refactoring of the UI
      modules and related code

    - infrastructure: cleanup and simplification of the profiling
      targets code (--uid, --pid, --tid, --cpu, --all-cpus, etc.)

    - tons of robustness fixes all around

    - various ftrace updates: speedups, cleanups, robustness
      improvements.

    - typing 'make' in tools/ will now give you a menu of projects to
      build and a short help text to explain what each does.

    - ... and lots of other changes I forgot to list.

  The perf record make bzImage + perf report regression you reported
  should be fixed."

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (166 commits)
  tracing: Remove kernel_lock annotations
  tracing: Fix initial buffer_size_kb state
  ring-buffer: Merge separate resize loops
  perf evsel: Create events initially disabled -- again
  perf tools: Split term type into value type and term type
  perf hists: Fix callchain ip printf format
  perf target: Add uses_mmap field
  ftrace: Remove selecting FRAME_POINTER with FUNCTION_TRACER
  ftrace/x86: Have x86 ftrace use the ftrace_modify_all_code()
  ftrace: Make ftrace_modify_all_code() global for archs to use
  ftrace: Return record ip addr for ftrace_location()
  ftrace: Consolidate ftrace_location() and ftrace_text_reserved()
  ftrace: Speed up search by skipping pages by address
  ftrace: Remove extra helper functions
  ftrace: Sort all function addresses, not just per page
  tracing: change CPU ring buffer state from tracing_cpumask
  tracing: Check return value of tracing_dentry_percpu()
  ring-buffer: Reset head page before running self test
  ring-buffer: Add integrity check at end of iter read
  ring-buffer: Make addition of pages in ring buffer atomic
  ...
2012-05-22 18:18:55 -07:00
Linus Torvalds
88d6ae8dc3 Merge branch 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
 "cgroup file type addition / removal is updated so that file types are
  added and removed instead of individual files so that dynamic file
  type addition / removal can be implemented by cgroup and used by
  controllers.  blkio controller changes which will come through block
  tree are dependent on this.  Other changes include res_counter cleanup
  and disallowing kthread / PF_THREAD_BOUND threads to be attached to
  non-root cgroups.

  There's a reported bug with the file type addition / removal handling
  which can lead to oops on cgroup umount.  The issue is being looked
  into.  It shouldn't cause problems for most setups and isn't a
  security concern."

Fix up trivial conflict in Documentation/feature-removal-schedule.txt

* 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (21 commits)
  res_counter: Account max_usage when calling res_counter_charge_nofail()
  res_counter: Merge res_counter_charge and res_counter_charge_nofail
  cgroups: disallow attaching kthreadd or PF_THREAD_BOUND threads
  cgroup: remove cgroup_subsys->populate()
  cgroup: get rid of populate for memcg
  cgroup: pass struct mem_cgroup instead of struct cgroup to socket memcg
  cgroup: make css->refcnt clearing on cgroup removal optional
  cgroup: use negative bias on css->refcnt to block css_tryget()
  cgroup: implement cgroup_rm_cftypes()
  cgroup: introduce struct cfent
  cgroup: relocate __d_cgrp() and __d_cft()
  cgroup: remove cgroup_add_file[s]()
  cgroup: convert memcg controller to the new cftype interface
  memcg: always create memsw files if CONFIG_CGROUP_MEM_RES_CTLR_SWAP
  cgroup: convert all non-memcg controllers to the new cftype interface
  cgroup: relocate cftype and cgroup_subsys definitions in controllers
  cgroup: merge cft_release_agent cftype array into the base files array
  cgroup: implement cgroup_add_cftypes() and friends
  cgroup: build list of all cgroups under a given cgroupfs_root
  cgroup: move cgroup_clear_directory() call out of cgroup_populate_dir()
  ...
2012-05-22 17:40:19 -07:00
Linus Torvalds
f5c101892f Merge branch 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu updates from Tejun Heo:
 "Contains Alex Shi's three patches to remove percpu_xxx() which overlap
  with this_cpu_xxx().  There shouldn't be any functional change."

* 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  percpu: remove percpu_xxx() functions
  x86: replace percpu_xxx funcs with this_cpu_xxx
  net: replace percpu_xxx funcs with this_cpu_xxx or __this_cpu_xxx
2012-05-22 17:37:47 -07:00
Linus Torvalds
c54894cd46 Merge branch 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue changes from Tejun Heo:
 "Nothing exciting.  Most are updates to debug stuff and related fixes.
  Two not-too-critical bugs are fixed - WARN_ON() triggering spurious
  during cpu offlining and unlikely lockdep related oops."

* 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  lockdep: fix oops in processing workqueue
  workqueue: skip nr_running sanity check in worker_enter_idle() if trustee is active
  workqueue: Catch more locking problems with flush_work()
  workqueue: change BUG_ON() to WARN_ON()
  trace: Remove unused workqueue tracer
2012-05-22 17:36:56 -07:00
Linus Torvalds
fb09bafda6 Staging tree pull request for 3.5-rc1
Here is the big staging tree pull request for the 3.5-rc1 merge window.
 
 Loads of changes here, and we just narrowly added more lines than we
 added:
  622 files changed, 28356 insertions(+), 26059 deletions(-)
 
 But, good news is that there is a number of subsystems that moved out of
 the staging tree, to their respective "real" portions of the kernel.
 
 Code that moved out was:
 	- iio core code
 	- mei driver
 	- vme core and bridge drivers
 
 There was one broken network driver that moved into staging as a step
 before it is removed from the tree (pc300), and there was a few new
 drivers added to the tree:
 	- new iio drivers
 	- gdm72xx wimax USB driver
 	- ipack subsystem and 2 drivers
 
 All of the movements around have acks from the various subsystem
 maintainers, and all of this has been in the linux-next tree for a
 while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging tree changes from Greg Kroah-Hartman:
 "Here is the big staging tree pull request for the 3.5-rc1 merge
  window.

  Loads of changes here, and we just narrowly added more lines than we
  added:
   622 files changed, 28356 insertions(+), 26059 deletions(-)

  But, good news is that there is a number of subsystems that moved out
  of the staging tree, to their respective "real" portions of the
  kernel.

  Code that moved out was:
	- iio core code
	- mei driver
	- vme core and bridge drivers

  There was one broken network driver that moved into staging as a step
  before it is removed from the tree (pc300), and there was a few new
  drivers added to the tree:
	- new iio drivers
	- gdm72xx wimax USB driver
	- ipack subsystem and 2 drivers

  All of the movements around have acks from the various subsystem
  maintainers, and all of this has been in the linux-next tree for a
  while.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fixed up various trivial conflicts, along with a non-trivial one found
in -next and pointed out by Olof Johanssen: a clean - but incorrect -
merge of the arch/arm/boot/dts/at91sam9g20.dtsi file.  Fix up manually
as per Stephen Rothwell.

* tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (536 commits)
  Staging: bcm: Remove two unused variables from Adapter.h
  Staging: bcm: Removes the volatile type definition from Adapter.h
  Staging: bcm: Rename all "INT" to "int" in Adapter.h
  Staging: bcm: Fix warning: __packed vs. __attribute__((packed)) in Adapter.h
  Staging: bcm: Correctly format all comments in Adapter.h
  Staging: bcm: Fix all whitespace issues in Adapter.h
  Staging: bcm: Properly format braces in Adapter.h
  Staging: ipack/bridges/tpci200: remove unneeded casts
  Staging: ipack/bridges/tpci200: remove TPCI200_SHORTNAME constant
  Staging: ipack: remove board_name and bus_name fields from struct ipack_device
  Staging: ipack: improve the register of a bus and a device in the bus.
  staging: comedi: cleanup all the comedi_driver 'detach' functions
  staging: comedi: remove all 'default N' in Kconfig
  staging: line6/config.h: Delete unused header
  staging: gdm72xx depends on NET
  staging: gdm72xx: Set up parent link in sysfs for gdm72xx devices
  staging: drm/omap: initial dmabuf/prime import support
  staging: drm/omap: dmabuf/prime mmap support
  pstore/ram: Add ECC support
  pstore/ram: Switch to persistent_ram routines
  ...
2012-05-22 16:34:21 -07:00
Linus Torvalds
94b5aff4c6 TTY pull request for 3.5-rc1
Here's the big TTY/serial driver pull request for the 3.5-rc1 merge window.
 
 Nothing major in here, just lots of incremental changes from Alan and
 Jiri reworking some tty core things to behave better and to get a more
 solid grasp on some of the nasty tty locking issues.
 
 There are a few tty and serial driver updates in here as well.
 
 All of this has been in the linux-next releases for a while with no problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull TTY updates from Greg Kroah-Hartman:
 "Here's the big TTY/serial driver pull request for the 3.5-rc1 merge
  window.

  Nothing major in here, just lots of incremental changes from Alan and
  Jiri reworking some tty core things to behave better and to get a more
  solid grasp on some of the nasty tty locking issues.

  There are a few tty and serial driver updates in here as well.

  All of this has been in the linux-next releases for a while with no
  problems.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (115 commits)
  serial: bfin_uart: Make MMR access compatible with 32 bits bf609 style controller.
  serial: bfin_uart: RTS and CTS MMRs can be either 16-bit width or 32-bit width.
  serial: bfin_uart: narrow the reboot condition in DMA tx interrupt
  serial: bfin_uart: Adapt bf5xx serial driver to bf60x serial4 controller.
  Revert "serial_core: Update buffer overrun statistics."
  tty: hvc_xen: NULL dereference on allocation failure
  tty: Fix LED error return
  tty: Allow uart_register/unregister/register
  tty: move global ldisc idle waitqueue to the individual ldisc
  serial8250-em: Add DT support
  serial8250-em: clk_get() IS_ERR() error handling fix
  serial_core: Update buffer overrun statistics.
  tty: drop the pty lock during hangup
  cris: fix missing tty arg in wait_event_interruptible_tty call
  tty/amiserial: Add missing argument for tty_unlock()
  tty_lock: Localise the lock
  pty: Lock the devpts bits privately
  tty_lock: undo the old tty_lock use on the ctty
  serial8250-em: Emma Mobile UART driver V2
  Add missing call to uart_update_timeout()
  ...
2012-05-22 16:12:24 -07:00
Linus Torvalds
5d4e2d08e7 Driver core pull for 3.5-rc1
Here's the driver core, and other driver subsystems, pull request for
 the 3.5-rc1 merge window.
 
 Outside of a few minor driver core changes, we ended up with the
 following different subsystem and core changes as well, due to
 interdependancies on the driver core:
  - hyperv driver updates
  - drivers/memory being created and some drivers moved into it
  - extcon driver subsystem created out of the old Android staging switch
    driver code
  - dynamic debug updates
  - printk rework, and /dev/kmsg changes
 
 All of this has been tested in the linux-next releases for a few weeks
 with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg Kroah-Hartman:
 "Here's the driver core, and other driver subsystems, pull request for
  the 3.5-rc1 merge window.

  Outside of a few minor driver core changes, we ended up with the
  following different subsystem and core changes as well, due to
  interdependancies on the driver core:
   - hyperv driver updates
   - drivers/memory being created and some drivers moved into it
   - extcon driver subsystem created out of the old Android staging
     switch driver code
   - dynamic debug updates
   - printk rework, and /dev/kmsg changes

  All of this has been tested in the linux-next releases for a few weeks
  with no reported problems.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up conflicts in drivers/extcon/extcon-max8997.c where git noticed
that a patch to the deleted drivers/misc/max8997-muic.c driver needs to
be applied to this one.

* tag 'driver-core-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (90 commits)
  uio_pdrv_genirq: get irq through platform resource if not set otherwise
  memory: tegra{20,30}-mc: Remove empty *_remove()
  printk() - isolate KERN_CONT users from ordinary complete lines
  sysfs: get rid of some lockdep false positives
  Drivers: hv: util: Properly handle version negotiations.
  Drivers: hv: Get rid of an unnecessary check in vmbus_prep_negotiate_resp()
  memory: tegra{20,30}-mc: Use dev_err_ratelimited()
  driver core: Add dev_*_ratelimited() family
  Driver Core: don't oops with unregistered driver in driver_find_device()
  printk() - restore prefix/timestamp printing for multi-newline strings
  printk: add stub for prepend_timestamp()
  ARM: tegra30: Make MC optional in Kconfig
  ARM: tegra20: Make MC optional in Kconfig
  ARM: tegra30: MC: Remove unnecessary BUG*()
  ARM: tegra20: MC: Remove unnecessary BUG*()
  printk: correctly align __log_buf
  ARM: tegra30: Add Tegra Memory Controller(MC) driver
  ARM: tegra20: Add Tegra Memory Controller(MC) driver
  printk() - restore timestamp printing at console output
  printk() - do not merge continuation lines of different threads
  ...
2012-05-22 16:02:13 -07:00
Linus Torvalds
fb2123fad3 Char/Misc patches for 3.5-rc1
Here are a few various char/misc tree patches for the 3.5-rc1 merge window.
 
 Nothing major here at all, just different driver updates and some parport dead
 code removal.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull Char/Misc patches from Greg Kroah-Hartman:
 "Here are a few various char/misc tree patches for the 3.5-rc1 merge
  window.

  Nothing major here at all, just different driver updates and some
  parport dead code removal.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'char-misc-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  parport: remove unused dead code from lowlevel drivers
  xilinx_hwicap: reset XHI_MAX_RETRIES
  xilinx_hwicap: add support for virtex6 FPGAs
  Support M95040 SPI EEPROM
  misc: add support for bmp18x chips to the bmp085 driver
  misc: bmp085: add device tree properties
  misc: clean up bmp085 driver
  misc: do not mark exported functions __devexit
  misc: add missing __devexit_p() annotations
  pch_phub: delete duplicate definitions
  misc: Fix irq leak in max8997_muic_probe error path
2012-05-22 15:53:59 -07:00
Linus Torvalds
a481991467 USB 3.5-rc1 pull request
Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window.
 
 It's touches a lot of different parts of the kernel, all USB drivers,
 due to some API cleanups (getting rid of the ancient err() macro) and
 some changes that are needed for USB 3.0 power management updates.
 
 There are also lots of new drivers, pimarily gadget, but others as well.
 We deleted a staging driver, which was nice, and finally dropped the
 obsolete usbfs code, which will make Al happy to never have to touch
 that again.
 
 There were some build errors in the tree that linux-next found a few
 days ago, but those were fixed by the most recent changes (all were due
 to us not building with CONFIG_PM disabled.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB 3.5-rc1 changes from Greg Kroah-Hartman:
 "Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window.

  It's touches a lot of different parts of the kernel, all USB drivers,
  due to some API cleanups (getting rid of the ancient err() macro) and
  some changes that are needed for USB 3.0 power management updates.

  There are also lots of new drivers, pimarily gadget, but others as
  well.  We deleted a staging driver, which was nice, and finally
  dropped the obsolete usbfs code, which will make Al happy to never
  have to touch that again.

  There were some build errors in the tree that linux-next found a few
  days ago, but those were fixed by the most recent changes (all were
  due to us not building with CONFIG_PM disabled.)

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (477 commits)
  xhci: Fix DIV_ROUND_UP compile error.
  xhci: Fix compile with CONFIG_USB_SUSPEND=n
  USB: Fix core compile with CONFIG_USB_SUSPEND=n
  brcm80211: Fix compile error for .disable_hub_initiated_lpm.
  Revert "USB: EHCI: work around bug in the Philips ISP1562 controller"
  MAINTAINERS: Add myself as maintainer to the USB PHY Layer
  USB: EHCI: fix command register configuration lost problem
  USB: Remove races in devio.c
  USB: ehci-platform: remove update_device
  USB: Disable hub-initiated LPM for comms devices.
  xhci: Add Intel U1/U2 timeout policy.
  xhci: Add infrastructure for host-specific LPM policies.
  USB: Add macros for interrupt endpoint types.
  xhci: Reserve one command for USB3 LPM disable.
  xhci: Some Evaluate Context commands must succeed.
  USB: Disable USB 3.0 LPM in critical sections.
  USB: Add support to enable/disable USB3 link states.
  USB: Allow drivers to disable hub-initiated LPM.
  USB: Calculate USB 3.0 exit latencies for LPM.
  USB: Refactor code to set LPM support flag.
  ...

Conflicts:
	arch/arm/mach-exynos/mach-nuri.c
	arch/arm/mach-exynos/mach-universal_c210.c
	drivers/net/wireless/ath/ath6kl/usb.c
2012-05-22 15:50:46 -07:00
stephen hemminger
37c106d0a4 if: restore token ring ARP type to header
Recent removal of Token Ring breaks the build of iproute2.

Even though Token Ring support is gone from the kernel, it is worth
keeping the the definition of the TR ARP type to avoid breaking
userspace programs that use this file.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-22 17:13:11 -04:00
Linus Torvalds
f6a26ae769 arm-soc: board specific changes
While we generally attempt to get rid of board specific files and replace
 them with device tree based descriptions, a lot of platforms have not
 come that far:
 
 In shmobile, we add two new board files because their recently started
 effort to add DT support has not proceeded enough to use it for all of
 the important hardware.
 
 In Kirkwood, we are adding support for new boards with a combination of
 DT and board file contents in multiple cases.
 
 pxa/mmp and imx are extending support for existing board files but not
 adding new ones.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc board specific changes from Olof Johansson:
 "While we generally attempt to get rid of board specific files and
  replace them with device tree based descriptions, a lot of platforms
  have not come that far:

  In shmobile, we add two new board files because their recently started
  effort to add DT support has not proceeded enough to use it for all of
  the important hardware.

  In Kirkwood, we are adding support for new boards with a combination
  of DT and board file contents in multiple cases.

  pxa/mmp and imx are extending support for existing board files but not
  adding new ones."

Fix up trivial conflicts in arch/arm/mach-{mmp/ttc_dkb.c,shmobile/{Kconfig,Makefile}}

* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
  ARM: shmobile: fix smp build
  ARM: kirkwood: Add support for RaidSonic IB-NAS6210/6220 using devicetree
  kirkwood: Add iconnect support
  orion/kirkwood: create a generic function for gpio led blinking
  kirkwood/orion: fix orion_gpio_set_blink
  ARM: kirkwood: Define DNS-320/DNS-325 NAND in fdt
  kirkwood: Allow nand to be configured via. devicetree
  mtd: Add orion_nand devicetree bindings
  ARM: kirkwood: Basic support for DNS-320 and DNS-325
  ARM: mach-shmobile: Use DT_MACHINE for armadillo 800 eva
  ARM: mach-shmobile: Use DT_MACHINE for KZM9G
  ARM: pxa: hx4700: Add Synaptics NavPoint touchpad
  ARM: pxa: Use REGULATOR_SUPPLY macro
  ARM: mach-shmobile: kzm9g: enable SMP boot
  ARM: mach-shmobile: kzm9g: defconfig update
  ARM: mach-shmobile: kzm9g: add PCF8757 gpio-key
  ARM: mach-shmobile: kzm9g: add SDHI support
  ARM: mach-shmobile: kzm9g: add MMCIF support
  ARM: mach-shmobile: kzm9g: correct screen direction
  ARM: mach-shmobile: sh73a0.h: add GPIO_NR
  ...
2012-05-22 13:32:53 -07:00
David S. Miller
c3719a1ef5 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John says:

--------------------
I apologize for not having sent this sooner.  FWIW, I was in a car
somewhere between Illinois and North Carolina for most of the day
Sunday and Monday... :-)

This is (obviously) the last non-fix pull request for wireless bits
intended for 3.5.  It includes AP support for mwifiex, a variety of HCI
and other updates for NFC, some brcmfmac and brcmsmac refactoring,
a large batch of ssb and bcma updates, a batch of ath6kl updates,
some cfg80211 and mac80211 updates/refactoring from Johannes Berg,
a rather large collection of Bluetooth updates by way of Gustavo,
and a variety of other bits here and there.
--------------------

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-22 16:07:23 -04:00
Nobuhiro Iwamatsu
35c579070a phy/micrel: Fix ID of KSZ9021
Right ID of KSZ9021 is 0x00221610.
Because lower 4bit is a revision number, it varies according to a chip.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Cc: David J. Choi <david.choi@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-22 15:20:28 -04:00
John W. Linville
a0d0d1685f Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2012-05-22 15:18:06 -04:00
Linus Torvalds
813a95e5b4 arm-soc: soc-specific pinctrl changes
With this, five platforms are moving to the relatively new pinctrl
 subsystem for their pin management, replacing the older soc specific
 in-kernel interfaces with common code.
 
 There is quite a bit of net addition of code for each platform being
 added to the pinctrl subsystem. but the payback comes later when adding
 new boards can be done by only providing new device trees instead.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm soc-specific pinctrl changes from Olof Johansson:
 "With this, five platforms are moving to the relatively new pinctrl
  subsystem for their pin management, replacing the older soc specific
  in-kernel interfaces with common code.

  There is quite a bit of net addition of code for each platform being
  added to the pinctrl subsystem.  But the payback comes later when
  adding new boards can be done by only providing new device trees
  instead."

Fix up trivial conflicts in arch/arm/mach-ux500/{Makefile,board-mop500.c}

* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
  mtd: nand: gpmi: fix compile error caused by pinctrl call
  ARM: PRIMA2: select PINCTRL and PINCTRL_SIRF in Kconfig
  ARM: nomadik: enable PINCTRL_NOMADIK where needed
  ARM: mxs: enable pinctrl support
  video: mxsfb: adopt pinctrl support
  ASoC: mxs-saif: adopt pinctrl support
  i2c: mxs: adopt pinctrl support
  mtd: nand: gpmi: adopt pinctrl support
  mmc: mxs-mmc: adopt pinctrl support
  serial: mxs-auart: adopt pinctrl support
  serial: amba-pl011: adopt pinctrl support
  spi/imx: adopt pinctrl support
  i2c: imx: adopt pinctrl support
  can: flexcan: adopt pinctrl support
  net: fec: adopt pinctrl support
  ARM: ux500: switch MSP to using pinctrl for pins
  ARM: ux500: alter MSP registration to return a device pointer
  ARM: ux500: switch to using pinctrl for uart0
  ARM: ux500: delete custom pin control system
  ARM: ux500: switch over to Nomadik pinctrl driver
  ...
2012-05-22 09:39:42 -07:00
Linus Torvalds
9f639269ed arm-soc: support for new SoCs
Three new system-on-chip models are supported: the st-ericsson u9540
 in ux500, the sam9n12 in at91 and the emma ev2 in shmobile.
 
 Emma is a little bit special because it is completely unrelated to
 the classic shmobile models, but the new Renesas rmobile SoCs are a
 combination of things from both Emma and shmobile, so it was decided to
 have them all live in one directory.
 
 This also contains updates to existing shmobile soc code as well as some
 related board changes due to dependencies.
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull support for new arm SoCs from Olof Johansson:
 "Three new system-on-chip models are supported: the st-ericsson u9540
  in ux500, the sam9n12 in at91 and the emma ev2 in shmobile.

  Emma is a little bit special because it is completely unrelated to the
  classic shmobile models, but the new Renesas rmobile SoCs are a
  combination of things from both Emma and shmobile, so it was decided
  to have them all live in one directory.

  This also contains updates to existing shmobile soc code as well as
  some related board changes due to dependencies."

* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  mach-shmobile: Use DT_MACHINE for KZM9D V3
  mach-shmobile: Emma Mobile EV2 DT support V3
  mach-shmobile: KZM9D board Ethernet support V3
  mach-shmobile: Emma Mobile EV2 GPIO support V3
  mach-shmobile: Emma Mobile EV2 SMP support V3
  mach-shmobile: KZM9D board support V3
  mach-shmobile: Emma Mobile EV2 SoC base support V3
  gpio: Emma Mobile GPIO driver V2
  ARM: mach-shmobile: sh73a0: fixup PINT/IRQ16-IRQ31 irq number conflict
  ARM: mach-shmobile: clock-r8a7740: use followparent_recalc on usb24s
  ARM: mach-shmobile: clock-r8a7740: add MMCIF clock
  ARM: mach-shmobile: clock-r8a7740: add SDHI clock
  ARM: mach-shmobile: clock-r8a7740: add USB clock
  ARM: mach-shmobile: clock-r8a7740: add FSI clock
  ARM: mach-shmobile: r8a7740: cleanup I2C workaround method
  ARM: mach-shmobile: r8a7740: add gpio_irq support
  ARM: mach-shmobile: sh7372: Add FSI DMAEngine support
  ARM / mach-shmobile: Use preset_lpj with calibrate_delay()
  ARM: ux500: ioremap differences for DB9540
  ARM: ux500: core U9540 support
  ...
2012-05-22 09:32:42 -07:00
Linus Torvalds
b324c67d48 arm-soc: device tree conversions, part 1
The spear3xx, lpc32xx, shmobile and mmp platforms are joining the game of
 booting using device trees, which is a great step forward for them. at91
 and spear have pretty much completed this process with a huge amount of
 work being put into at91. The other platforms are continuing the process.
 
 We finally start to see the payback on this investment, as new machines
 are getting supported purely by adding a .dts source file that can be
 completely independent of the kernel source.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull device tree conversions for arm-soc, part 1, from Olof Johansson:
 "The spear3xx, lpc32xx, shmobile and mmp platforms are joining the game
  of booting using device trees, which is a great step forward for them.
  at91 and spear have pretty much completed this process with a huge
  amount of work being put into at91.  The other platforms are
  continuing the process.

  We finally start to see the payback on this investment, as new
  machines are getting supported purely by adding a .dts source file
  that can be completely independent of the kernel source."

Fix up trivial conflict in arch/arm/Kconfig

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: at91: Add ADC driver to at91sam9260/at91sam9g20 dtsi files
  arm/dts: omap4-panda: Add LEDs support
  arm/dts: omap4-sdp: Add LEDs support
  arm/dts: twl4030: Add twl4030-gpio node
  OMAP4: devices: Do not create mcpdm device if the dtb has been provided
  OMAP4: devices: Do not create dmic device if the dtb has been provided
  Documentation: update docs for mmp dt
  ARM: dts: refresh dts file for arch mmp
  ARM: mmp: support pxa910 with device tree
  ARM: mmp: support mmp2 with device tree
  gpio: pxa: parse gpio from DTS file
  ARM: mmp: support DT in timer
  ARM: mmp: support DT in irq
  ARM: mmp: append CONFIG_MACH_MMP2_DT
  ARM: mmp: fix build issue on mmp with device tree
  ARM: ux500: Enable PRCMU Timer 4 (clocksource) for Device Tree
  ARM: ux500: Disable SMSC911x platform code registration when DT is enabled
  ARM: ux500: Fork cpu-db8500 platform_devs for sequential DT enablement
  ARM: ux500: Do not attempt to register non-existent i2c devices on Snowball
  ARM: SPEAr3xx: Correct keyboard data passed from DT
  ...
2012-05-22 09:30:52 -07:00
Linus Torvalds
9bc747bea5 arm-soc: First batch of cleanups
These cleanups are basically all over the place. The idea is to collect
 changes with minimal impact but large number of changes so we can avoid
 them from distracting in the diffstat in the other series.
 
 A significant number of lines get removed here, in particular because
 the ixp2000 and ixp23xx platforms get removed. These have never been
 extremely popular and have fallen into disuse over time with no active
 maintainer taking care of them. The u5500 soc never made it into a
 product, so we are removing it from the ux500 platform.
 
 Many good cleanups also went into the at91 and omap platforms, as has
 been the case for a number of releases.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull first batch of arm-soc cleanups from Olof Johansson:
 "These cleanups are basically all over the place.  The idea is to
  collect changes with minimal impact but large number of changes so we
  can avoid them from distracting in the diffstat in the other series.

  A significant number of lines get removed here, in particular because
  the ixp2000 and ixp23xx platforms get removed.  These have never been
  extremely popular and have fallen into disuse over time with no active
  maintainer taking care of them.  The u5500 soc never made it into a
  product, so we are removing it from the ux500 platform.

  Many good cleanups also went into the at91 and omap platforms, as has
  been the case for a number of releases."

Trivial modify-delete conflicts in arch/arm/mach-{ixp2000,ixp23xx}

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (152 commits)
  ARM: clps711x: Cleanup IRQ handling
  ARM clps711x: Removed unused header mach/time.h
  ARM: clps711x: Added note about support EP731x CPU to Kconfig
  ARM: clps711x: Added missing register definitions
  ARM: clps711x: Used own subarch directory for store header file
  Dove: Fix Section mismatch warnings
  ARM: orion5x: ts78xx debugging changes
  ARM: orion5x: remove PM dependency from ts78xx
  ARM: orion5x: ts78xx fix NAND resource off by one
  ARM: orion5x: ts78xx whitespace cleanups
  Orion5x: Fix Section mismatch warnings
  Orion5x: Fix warning: struct pci_dev declared inside paramter list
  ARM: clps711x: Combine header files into one for clps711x-targets
  ARM: S3C24XX: Use common macro to define resources on mach-qt2410.c
  ARM: S3C24XX: Use common macro to define resources on mach-osiris.c
  ARM: EXYNOS: Adapt to cpuidle core time keeping and irq enable
  ARM: S5PV210: Use common macro to define resources on mach-smdkv210.c
  ARM: S5PV210: Use common macro to define resources on dev-audio.c
  ARM: S5PC100: Use common macro to define resources on dev-audio.c
  ARM: S5P64X0: Use common macro to define resources on dev-audio.c
  ...
2012-05-22 09:23:24 -07:00
Felten, Lothar
f7c2fe386a hwmon: INA219 and INA226 support
Add support for the Texas Instruments INA219 and INA226 power monitors.

Signed-off-by: Lothar Felten <l-felten@ti.com>
[guenter.roeck@ericsson.com: formatting cleanup; check for smbus word data;
 select PGA=8 for INA219]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-22 06:48:02 -07:00