Commit Graph

90886 Commits

Author SHA1 Message Date
Thomas Gleixner
34c3d9819f genirq/affinity: Provide smarter irq spreading infrastructure
The current irq spreading infrastructure is just looking at a cpumask and
tries to spread the interrupts over the mask. Thats suboptimal as it does
not take numa nodes into account.

Change the logic so the interrupts are spread across numa nodes and inside
the nodes. If there are more cpus than vectors per node, then we set the
affinity to several cpus. If HT siblings are available we take that into
account and try to set all siblings to a single vector.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: axboe@fb.com
Cc: keith.busch@intel.com
Cc: agordeev@redhat.com
Cc: linux-block@vger.kernel.org
Link: http://lkml.kernel.org/r/1473862739-15032-3-git-send-email-hch@lst.de
2016-09-14 22:11:08 +02:00
Thomas Gleixner
28f4b04143 genirq/msi: Add cpumask allocation to alloc_msi_entry
For irq spreading want to store affinity masks in the msi_entry. Add the
infrastructure for it.

We allocate an array of cpumasks with an array size of the number of used
vectors in the entry, so we can hand in the information per linux interrupt
later.

As we hand in the number of used vectors, we assign them right
away. Convert all the call sites.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: axboe@fb.com
Cc: keith.busch@intel.com
Cc: agordeev@redhat.com
Cc: linux-block@vger.kernel.org
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/1473862739-15032-2-git-send-email-hch@lst.de
2016-09-14 22:11:08 +02:00
Paul E. McKenney
d74b62bc32 Merge branches 'doc.2016.08.22c', 'exp.2016.08.22c', 'fixes.2016.09.14a', 'hotplug.2016.08.22c' and 'torture.2016.08.22c' into HEAD
doc.2016.08.22c: Documentation updates
exp.2016.08.22c: Expedited grace-period updates
fixes.2016.09.14a: Miscellaneous fixes
hotplug.2016.08.22c: CPU-hotplug changes
torture.2016.08.22c: Torture-test changes
2016-09-14 12:58:49 -07:00
Chris Wilson
12adfd882c list: Expand list_first_entry_or_null()
Due to the use of READ_ONCE() in list_empty() the compiler cannot
optimise !list_empty() ? list_first_entry() : NULL very well. By
manually expanding list_first_entry_or_null() we can take advantage of
the READ_ONCE() to avoid the list element changing under the test while
the compiler can generate smaller code.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Josef Bacik <jbacik@fb.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2016-09-14 12:57:43 -07:00
Dmitry Safonov
2eefd87896 x86/arch_prctl/vdso: Add ARCH_MAP_VDSO_*
Add API to change vdso blob type with arch_prctl.
As this is usefull only by needs of CRIU, expose
this interface under CONFIG_CHECKPOINT_RESTORE.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-4-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:09 +02:00
Christian König
7c732ea649 drm/ttm: move placement structures into ttm_placement.h
Makes more sense to keep that together.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-09-14 15:10:43 -04:00
Christian König
08614da704 drm/ttm: remove unused placement flags
Either never used or not used in quite a while.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-09-14 15:10:42 -04:00
Christian König
283cde69aa drm/ttm: rework handling of private mem types
Instead of keeping a bunch of potentially unused flags, just define
the start for private memory types and remove the rest.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-09-14 15:10:42 -04:00
Thomas Gleixner
16217dc79d Merge tag 'irqchip-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Merge the first drop of irqchip updates for 4.9 from Marc Zyngier:

- ACPI IORT core code
- IORT support for the GICv3 ITS
- A few of GIC cleanups
2016-09-14 20:53:26 +02:00
Greg Kroah-Hartman
552edf8d79 Merge tag 'iio-for-4.9b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:

Second set of iio new device support, features and cleanups for the 4.9 cycle.

New device support
* ad8801 dac
  - new driver supporting ad8801 and ad8803 DACs.
* adc12138
  - new driver supporting TI adc12130/adc12132 and adc12138 ADCs.
* ltc2485 adc
  - new driver
* mxc6255
  - add support for the mxc6225 part name and fixup the ID check so it works.
* vz89x VOC sensor
  - add support for the vz89te part which drops the voc_short channel and adds
    CRCs compared to other supported parts.

New features
* core
  - immutable triggers.  These effectively grant exclusive control over a
    trigger. The typical usecase is a device representing an analog part
    (perhaps a MUX) that needs to control the sampling of a downstream
    ADC.
  - resource managed trigger registration and triggered_buffer_init.
  - iio_push_event now protected against case of the event interface
    registration not having yet occured.  Only matters if an interrupt
    can occur during this window - might happen on shared interrupt lines.
  - helper to let a driver query if the trigger it is using is provided by
    itself (using the convention of both device and trigger having the same
    parent).
* tools
  - iio-utils. Used channel modifier scaling in preference to generic scaling
    when both exist.
* at91-adc
  - Add support for touchscreen switches closure time needed by some newer
    parts.
* stx104
  - support the ADC channels on this ADC/DAC board. As these are the primary
    feature of the board also move the driver to the iio/adc directory.
* sx9500
  - device tree bindings.

Cleanups / Fixes
* ad5755
  - fix an off-by-one on devnr limit check (introduced earlier this cycle)
* ad7266
  - drop NULL check on devm_regulator_get_optional as it can't return NULL.
* ak8974
  - avoid an unused functional warning due to rework in PM core code.
  - remove .owner field setting as done by i2c_core.
* ina2xx
  - clear out a left over debug field from chip global data.
* hid-sensors
  - avoid an unused functional warning due to rework in PM core code.
* maxim-thermocouple
  - fix non static symbol warnings.
* ms5611
  - fetch and enable regulators unconditionally when they aren't optional.
* sca3000
  - whitespace cleanup.
* st_sensors
  - fetch and enable regulators unconditionally rather than having them
    supported as optional regulators (missunderstanding on my part amongst
    others a while back)
  - followup to previous patch fixes error checking on the regulators.
  - mark symbols static where possible.
  - use the 'is it my trigger' help function.  This prevents the odd case
    of another device triggering from the st-sensors trigger whilst the
    st-sensors trigger is itself not using it but rather using say an hrtimer.
* ti-ads1015
  - add missing of_node_put.
* vz89x
  - rework to all support of new devices.
  - prevent reading of a corrupted buffer.
  - fixup a return value of 0/1 in a bool returning function.

Address updates
- Vlad Dogaru email address change.
2016-09-14 20:42:03 +02:00
Greg Kroah-Hartman
8152263748 Merge tag 'usb-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:

usb: patches for v4.9 merge window

This time around we have 92 non-merge commits. Most
of the changes are in drivers/usb/gadget (40.3%)
with drivers/usb/gadget/function being the most
active directory (27.2%).

As for UDC drivers, only dwc3 (26.5%) and dwc2
(12.7%) have really been active.

The most important changes for dwc3 are better
support for scatterlist and, again, throughput
improvements. While on dwc2 got some minor stability
fixes related to soft reset and FIFO usage.

Felipe Tonello has done some good work fixing up our
f_midi gadget and Tal Shorer has implemented a nice
API change for our ULPI bus.

Apart from these, we have our usual set of
non-critical fixes, spelling fixes, build warning
fixes, etc.
2016-09-14 20:37:50 +02:00
Jerome Brunet
dfdd7d4af6 clk: gxbb: expose i2c clocks
I2C and AO_I2C clocks are needed for the i2c driver, expose to DT
(and comment out in clk driver)

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 11:24:04 -07:00
Martin Blumenstingl
5dbe7890e6 clk: gxbb: expose USB clocks
USB0_DDR_BRIDGE and USB1_DDR_BRIDGE1 are needed for the related
dwc2 usb controller. USB, USB0 and USB1 are needed for the PHYs.
Expose these clocks to DT and comment out in clk driver.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 11:23:55 -07:00
Jerome Brunet
f2120a8b09 clk: gxbb: expose spifc clock
SPI clock is needed for the spifc driver, expose to DT
(and comment out in the clk driver)

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 11:22:49 -07:00
Martin Blumenstingl
ed6f4b5180 clk: gxbb: expose MPLL2 clock for use by DT
This exposes the MPLL2 clock as this is one of the input clocks of the
ethernet controller's internal mux.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 11:22:49 -07:00
Kevin Hilman
dcdcc66022 Merge branch 'clk-meson-gxbb' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux into v4.8/drivers
* 'clk-meson-gxbb' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: meson-gxbb: Export PWM related clocks for DT
  meson: clk: Add support for clock gates
  gxbb: clk: Adjust MESON_GATE macro to be shared with meson8b
  clk: meson: Copy meson8b CLKID defines to private header file
  meson: clk: Rename register names according to Amlogic datasheet
  meson: clk: Move register definitions to meson8b.h
  clk: meson: Rename meson8b-clkc.c to reflect gxbb naming convention
  clk: meson: Fix invalid use of sizeof in gxbb_aoclkc_probe()
  clk: meson: Add GXBB AO Clock and Reset controller driver
  dt-bindings: clock: reset: Add GXBB AO Clock and Reset Bindings
  clk: gxbb: add MMC gate clocks, and expose for DT
2016-09-14 11:21:15 -07:00
Stephen Boyd
de64f5c87d Merge tag 'sunxi-clk-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next
Pull Allwinner clock driver changes from Maxime Ripard:

Four more SoCs converted to the new clock framework (A31, A31s, A23 and
A33).

* tag 'sunxi-clk-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  clk: sunxi-ng: Add hardware dependency
  clk: sunxi-ng: Add A23 CCU
  clk: sunxi-ng: Add A33 CCU support
  clk: sunxi-ng: Add N-class clocks support
  clk: sunxi-ng: mux: Add mux table macro
  clk: sunxi-ng: div: Allow to set a maximum
  clk: sunxi-ng: div: Add kerneldoc for the _ccu_div structure
  clk: sunxi-ng: div: Add mux table macros
  clk: sunxi-ng: Add A31/A31s clocks
  clk: sunxi-ng: mux: Add clk notifier functions
  clk: sunxi-ng: mux: support fixed pre-dividers on multiple parents
  clk: sunxi-ng: mux: Add support for mux tables
  clk: sunxi-ng: mux: Rename mux macro to be consistent
  clk: sunxi-ng: nkm: Add mux to support multiple parents
  clk: sunxi-ng: mux: Increase fixed pre-divider div size
2016-09-14 11:10:15 -07:00
Stephen Boyd
3db385ea14 Merge tag 'clk-v4.9-samsung' of git://linuxtv.org/snawrocki/samsung into clk-next
Pull samsung clk driver updates from Sylwester Nawrocki:

In addition to a few clean up and code consolidation patches this
includes:
- addition of sound subsystem related clocks for Exynos5410 SoC
  (EPLL, PDMA) and support for "samsung,exynos5410-audss-clock"
  compatible in the clk-exynos-audss driver,
- addition of DRAM controller related clocks for exynos5420,
- MAINTAINERS update adding Chanwoo Choi as the Samsung SoC
  clock drivers co-maintainer.

* tag 'clk-v4.9-samsung' of git://linuxtv.org/snawrocki/samsung:
  clk: samsung: Add support for EPLL on exynos5410
  clk: samsung: clk-exynos-audss: Whitespace and debug trace cleanup
  clk: samsung: clk-exynos-audss: Add exynos5410 compatible
  clk: samsung: clk-exynos-audss: controller variant handling rework
  clk: samsung: Use common registration function for pll2550x
  clk: samsung: exynos5410: Expose the peripheral DMA gate clocks
  clk: samsung: exynos5420: Add clocks for CMU_CDREX domain
  clk: samsung: exynos5410: Use samsung_cmu_register_one() to simplify code
  clk: samsung: exynos5260: Move struct samsung_cmu_info to init section
  MAINTAINERS: Add myself as Samsung SoC clock drivers co-maintainer
  clk: samsung: exynos5410: Add clock IDs for PDMA and EPLL clocks
  clk: samsung: Add clock IDs for the CMU_CDREX (DRAM Express Controller)
2016-09-14 11:06:47 -07:00
Mike Snitzer
a8ac51e4ab dm rq: add DM_MAPIO_DELAY_REQUEUE to delay requeue of blk-mq requests
Otherwise blk-mq will immediately dispatch requests that are requeued
via a BLK_MQ_RQ_QUEUE_BUSY return from blk_mq_ops .queue_rq.

Delayed requeue is implemented using blk_mq_delay_kick_requeue_list()
with a delay of 5 secs.  In the context of DM multipath (all paths down)
it doesn't make any sense to requeue more quickly.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2016-09-14 13:56:38 -04:00
Mike Snitzer
2849450ad3 blk-mq: introduce blk_mq_delay_kick_requeue_list()
blk_mq_delay_kick_requeue_list() provides the ability to kick the
q->requeue_list after a specified time.  To do this the request_queue's
'requeue_work' member was changed to a delayed_work.

blk_mq_delay_kick_requeue_list() allows DM to defer processing requeued
requests while it doesn't make sense to immediately requeue them
(e.g. when all paths in a DM multipath have failed).

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 11:48:34 -06:00
Linus Torvalds
77e5bdf9f7 Merge branch 'uaccess-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess fixes from Al Viro:
 "Fixes for broken uaccess primitives - mostly lack of proper zeroing
  in copy_from_user()/get_user()/__get_user(), but for several
  architectures there's more (broken clear_user() on frv and
  strncpy_from_user() on hexagon)"

* 'uaccess-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (28 commits)
  avr32: fix copy_from_user()
  microblaze: fix __get_user()
  microblaze: fix copy_from_user()
  m32r: fix __get_user()
  blackfin: fix copy_from_user()
  sparc32: fix copy_from_user()
  sh: fix copy_from_user()
  sh64: failing __get_user() should zero
  score: fix copy_from_user() and friends
  score: fix __get_user/get_user
  s390: get_user() should zero on failure
  ppc32: fix copy_from_user()
  parisc: fix copy_from_user()
  openrisc: fix copy_from_user()
  nios2: fix __get_user()
  nios2: copy_from_user() should zero the tail of destination
  mn10300: copy_from_user() should zero on access_ok() failure...
  mn10300: failing __get_user() and get_user() should zero
  mips: copy_from_user() must zero the destination on access_ok() failure
  ARC: uaccess: get_user to zero out dest in cause of fault
  ...
2016-09-14 09:35:05 -07:00
Arnd Bergmann
e08644b0c7 Merge tag 'amlogic-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/late
Pull "Amlogic 64-bit DT changes for v4.9" from Kevin Hilman:

- add watchdog, reset, IR remote, PWM
- add secure monitor and eFuse
- add always-on (AO) domain clock and reset

* tag 'amlogic-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: amlogic: gxbb: Enable NVMEM
  documentation: Add nvmem bindings documentation
  ARM64: dts: amlogic: gxbb: Enable secure monitor
  documentation: Add secure monitor bindings documentation
  ARM64: dts: meson-gxbb: Add PWM pinctrl nodes
  ARM64: dts: meson-gxbb: Enable the the IR decoder on supported boards
  ARM64: dts: meson-gxbb: Add Infrared Remote Controller decoder
  dt-bindings: media: meson-ir: Add Meson8b and GXBB compatible strings
  ARM64: dts: amlogic: add the input pin for the IR remote
  ARM64: dts: meson-gxbb: Add GXBB AO Clock and Reset node
  clk: meson: Fix invalid use of sizeof in gxbb_aoclkc_probe()
  clk: meson: Add GXBB AO Clock and Reset controller driver
  dt-bindings: clock: reset: Add GXBB AO Clock and Reset Bindings
  ARM64: DTS: meson-gxbb: switch ethernet to real clock
  ARM64: dts: amlogic: meson-gxbb: Add watchdog node
2016-09-14 17:34:35 +02:00
Christoph Hellwig
c5c5ca7774 block: remove IOPRIO_BITS
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 09:18:09 -06:00
Christoph Hellwig
fc95db3ede bio.h: remove a very outdated comment
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 09:18:08 -06:00
Christoph Hellwig
3f7c624aa5 block: remove bio_destructor_t
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 09:18:06 -06:00
Bart Van Assche
3e1de31b9b block: Improve bio_set_op_attrs() robustness
Since REQ_OP_BITS == 3 and __REQ_NR_BITS == 30 it is not that hard
to pass an op_flags argument to bio_set_op_attrs() that is larger
than the number of bits reserved for the op_flags argument. Complain
if this happens. Additionally, ensure that negative arguments trigger
a complaint (1 << ... is signed while 1U << ... is unsigned; adding
0U to an integer expression causes it to be promoted to an unsigned
type).

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 08:48:29 -06:00
Bart Van Assche
4382e33ad3 block, dm-crypt, btrfs: Introduce bio_flags()
Introduce the bio_flags() macro. Ensure that the second argument of
bio_set_op_attrs() only contains flags and no operation. This patch
does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Chris Mason <clm@fb.com> (maintainer:BTRFS FILE SYSTEM)
Cc: Josef Bacik <jbacik@fb.com> (maintainer:BTRFS FILE SYSTEM)
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 08:48:27 -06:00
Bart Van Assche
637ca77bd1 block: Document that bio_op() uses the data type of bio.bi_opf
Make it clear that the sizeof(unsigned int) expression in BIO_OP_SHIFT
refers to the bi_opf member of struct bio.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 08:48:26 -06:00
Linus Walleij
abe47114b1 block: remove blk_mq_alloc_single_hw_queue() prototype
The blk_mq_alloc_single_hw_queue() is a prototype artifact that
should have been removed with
commit cdef54dd85
"blk-mq: remove alloc_hctx and free_hctx methods" where the last
users of it were deleted.

Fixes: cdef54dd85 ("blk-mq: remove alloc_hctx and free_hctx methods")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 08:44:55 -06:00
Stephen Bates
6e219353af block: add poll_considered statistic
In order to help determine the effectiveness of polling in a running
system it is usful to determine the ratio of how often the poll
function is called vs how often the completion is checked. For this
reason we add a poll_considered variable and add it to the sysfs entry
for io_poll.

Signed-off-by: Stephen Bates <sbates@raithlin.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-14 08:41:21 -06:00
Paul Burton
6cfeaf5125 cpu/hotplug: Include linux/types.h in linux/cpuhotplug.h
The linux/cpuhotplug.h header makes use of the bool type, but wasn't
including linux/types.h to ensure that type has been defined. Fix this
by including linux/types.h in preparation for including
linux/cpuhotplug.h in a file that doesn't do so already.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Richard Cochran <rcochran@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Link: http://lkml.kernel.org/r/20160914100027.20945-1-paul.burton@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 15:31:53 +02:00
Craig Gallek
ecb3f394c5 genirq: Expose interrupt information through sysfs
Information about interrupts is exposed via /proc/interrupts, but the
format of that file has changed over kernel versions and differs across
architectures. It also has varying column numbers depending on hardware.

That all makes it hard for tools to parse.

To solve this, expose the information through sysfs so each irq attribute
is in a separate file in a consistent, machine parsable way.

This feature is only available when both CONFIG_SPARSE_IRQ and
CONFIG_SYSFS are enabled.

Examples:
  /sys/kernel/irq/18/actions:	i801_smbus,ehci_hcd:usb1,uhci_hcd:usb7
  /sys/kernel/irq/18/chip_name:	IR-IO-APIC
  /sys/kernel/irq/18/hwirq:		18
  /sys/kernel/irq/18/name:		fasteoi
  /sys/kernel/irq/18/per_cpu_count:	0,0
  /sys/kernel/irq/18/type:		level

  /sys/kernel/irq/25/actions:	ahci0
  /sys/kernel/irq/25/chip_name:	IR-PCI-MSI
  /sys/kernel/irq/25/hwirq:		512000
  /sys/kernel/irq/25/name:		edge
  /sys/kernel/irq/25/per_cpu_count:	29036,0
  /sys/kernel/irq/25/type:		edge

[ tglx: Moved kobject_del() under sparse_irq_lock, massaged code comments
  	and changelog ]

Signed-off-by: Craig Gallek <kraig@google.com>
Cc: David Decotigny <decot@google.com>
Link: http://lkml.kernel.org/r/1473783291-122873-1-git-send-email-kraigatgoog@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 15:28:15 +02:00
Al Viro
9ad18b75c2 asm-generic: make get_user() clear the destination on errors
both for access_ok() failures and for faults halfway through

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-09-13 17:49:10 -04:00
Rafael J. Wysocki
8c34ab1910 cpufreq / sched: SCHED_CPUFREQ_IOWAIT flag to indicate iowait condition
Testing indicates that it is possible to improve performace
significantly without increasing energy consumption too much by
teaching cpufreq governors to bump up the CPU performance level if
the in_iowait flag is set for the task in enqueue_task_fair().

For this purpose, define a new cpufreq_update_util() flag
SCHED_CPUFREQ_IOWAIT and modify enqueue_task_fair() to pass that
flag to cpufreq_update_util() in the in_iowait case.  That generally
requires cpufreq_update_util() to be called directly from there,
because update_load_avg() may not be invoked in that case.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Looks-good-to: Steve Muckle <smuckle@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2016-09-13 23:36:01 +02:00
Linus Torvalds
504cb1c25b Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
 "Another lockless_dereference() Sparse fix"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/barriers: Don't use sizeof(void) in lockless_dereference()
2016-09-13 12:13:58 -07:00
Linus Torvalds
7c2c114416 Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
 "This contains a Xen fix, an arm64 fix and a race condition /
  robustization set of fixes related to ExitBootServices() usage and
  boundary conditions"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Use efi_exit_boot_services()
  efi/libstub: Use efi_exit_boot_services() in FDT
  efi/libstub: Introduce ExitBootServices helper
  efi/libstub: Allocate headspace in efi_get_memory_map()
  efi: Fix handling error value in fdt_find_uefi_params
  efi: Make for_each_efi_memory_desc_in_map() cope with running on Xen
2016-09-13 12:02:00 -07:00
Ingo Molnar
5465fe0fc3 Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into efi/core
Pull EFI updates from Matt Fleming:

"* Refactor the EFI memory map code into architecture neutral files
   and allow drivers to permanently reserve EFI boot services regions
   on x86, as well as ARM/arm64 - Matt Fleming

 * Add ARM support for the EFI esrt driver - Ard Biesheuvel

 * Make the EFI runtime services and efivar API interruptible by
   swapping spinlocks for semaphores - Sylvain Chouleur

 * Provide the EFI identity mapping for kexec which allows kexec to
   work on SGI/UV platforms with requiring the "noefi" kernel command
   line parameter - Alex Thorlton

 * Add debugfs node to dump EFI page tables on arm64 - Ard Biesheuvel

 * Merge the EFI test driver being carried out of tree until now in
   the FWTS project - Ivan Hu

 * Expand the list of flags for classifying EFI regions as "RAM" on
   arm64 so we align with the UEFI spec - Ard Biesheuvel

 * Optimise out the EFI mixed mode if it's unsupported (CONFIG_X86_32)
   or disabled (CONFIG_EFI_MIXED=n) and switch the early EFI boot
   services function table for direct calls, alleviating us from
   having to maintain the custom function table - Lukas Wunner

 * Miscellaneous cleanups and fixes"

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-13 20:21:55 +02:00
Arnd Bergmann
292cc1affb Merge tag 'sunxi-dt-for-4.9-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/late
Merge "Allwinner DT changes for 4.9, take 2" from Maxime Ripard:

A second set of device tree changes, this time switching a few SoCs to the
new sunxi-ng clock framework. We also added the support for a new SoC
(NextThing GR8 and its evaluation board), and the support for the DRM
driver in the A33.

To maintain bisectability, while avoiding some un-trivial merge
conflicts, I had to merge the clk branch that I've sent a PR to Mike
and Stephen. This branch will of course be stable.

* tag 'sunxi-dt-for-4.9-2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux: (53 commits)
  ARM: dts: gr8: Add support for the GR8 evaluation board
  ARM: dts: Add NextThing GR8 dtsi
  ARM: dts: sun8i: Move A23/A33 usbphy and usb_otg nodes to common dtsi
  ARM: sun8i: a23/a33: Add RGB666 pins
  ARM: sun8i: a33: Add display pipeline
  ARM: sun8i: Convert the A23 and A33 to the CCU
  ARM: dts: sun6i: switch A31/A31s to new CCU clock bindings
  clk: sunxi-ng: Add hardware dependency
  clk: sunxi-ng: Add A23 CCU
  clk: sunxi-ng: Add A33 CCU support
  clk: sunxi-ng: Add N-class clocks support
  clk: sunxi-ng: mux: Add mux table macro
  clk: sunxi-ng: div: Allow to set a maximum
  clk: sunxi-ng: div: Add kerneldoc for the _ccu_div structure
  clk: sunxi-ng: div: Add mux table macros
  devicetree: Add vendor prefix for FriendlyARM
  ARM: dts: sun8i: Add dts file for the NanoPi NEO SBC
  ARM: dts: sun8i-q8-common: Add support for SDIO wifi controllers
  ARM: dts: sun8i: Add dts file for the Orange Pi Plus2E SBC
  ARM: dts: sun8i: Orange Pi Plus dts is for the Plus and Plus 2
  ...
2016-09-13 17:51:23 +02:00
Arnd Bergmann
1f480960e0 Merge tag 'v4.9-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Pull "Rockchip dts32 changes for 4.9" from Heiko Stübner:

32bit Rockchip devicetree changes containing two new rk3288 boards (Fennec
and Firefly-reload), display support for the rk3288-evb, support for the
recently added firmware reboot-flag support and some housekeeping cleanups.

* tag 'v4.9-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: Add sensor-supplies on PopMetal-RK3288 board
  ARM: dts: rockchip: fix L3G4200D i2c address on PopMetal-RK3288 board
  ARM: dts: rockchip: enable usbotg for Popemtal-rk3288 board
  ARM: dts: rockchip: add missing regulators for firefly reload board
  ARM: dts: rockchip: remove excess sd properties from firefly reload
  ARM: dts: rockchip: add syscon-reboot-mode DT node
  soc: rockchip: add reboot-mode header
  ARM: dts: rockchip: move rk3288 usbphy under the GRF node
  ARM: dts: rockchip: add rk3288-firefly-reload
  ARM: dts: rockchip: add dts for RK3288-Fennec boards
  ARM: dts: rockchip: add the panel power supply for rk3288-evb board with rk808 pmu
  ARM: dts: rockchip: add the panel power supply for rk3288-evb board with act8846 pmu
  ARM: dts: rockchip: add eDP/panel display device nodes for rk3288-evb
2016-09-13 17:38:34 +02:00
Arnd Bergmann
a6023d0500 Merge tag 'renesas-dt2-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Pull "Second Round of Renesas ARM Based SoC DT Updates for v4.9" from Simon Horman:

Fixes (for v4.9):
* Correct PWM clock parent on r8a7794 SoC

Clean-up:
* Remove obsolete vsp1 properties from r8a779[01] SoCs

New boards:
* Add r8a7792/wheat and r7s72100/rskrza1 boards

Enablement:
* Enable LEDs, DU, SDHI on r8a7792/blanche board
* Enable MMCIF and SDHI on r8a7794/alt board
* Add SPI and VSP1 to r8a7792 SoC
* Add ethernet to r7s72100 SoC

* tag 'renesas-dt2-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (26 commits)
  ARM: dts: wheat: add support for tactile switches
  ARM: dts: wheat: add QSPI support
  ARM: dts: r8a7792: add QSPI support
  ARM: dts: r8a7792: add QSPI clock
  ARM: dts: wheat: add SDHI0 support
  ARM: dts: wheat: add CAN support
  ARM: dts: r8a7794: fix PWM clock parent
  ARM: dts: rskrza1: add ethernet DT support
  ARM: dts: r7s72100: add ethernet to device tree
  ARM: dts: r7s72100: add ethernet clock to device tree
  ARM: dts: rskrza1: initial device tree
  ARM: dts: Add RSKRZA1 DT bindings documentation
  ARM: dts: wheat: add Ethernet support
  ARM: dts: wheat: initial device tree
  ARM: dts: document Wheat board
  ARM: dts: blanche: add support for general purpose LEDs
  ARM: dts: r8a7792: add VSP1V support
  ARM: dts: r8a7792: add VSP1V clocks
  ARM: dts: blanche: add DU support
  ARM: dts: blanche: add SDHI0 support
  ...
2016-09-13 17:34:49 +02:00
Greg Kroah-Hartman
4d719209be Merge tag 'extcon-next-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into usb-testing
Chanwoo writes:

Update extcon for 4.9

Detailed description for this pull request:
1. Support the extcon property and add the synchronization APIs.
- This feature supports the extcon property for external connector
  because each external connector might have the property according to
  the H/W design.

- The property name should keep the following style.
  : EXTCON_PROP_USB_[property_name]
  : EXTCON_PROP_CHG_[property_name]
  : EXTCON_PROP_JACK_[property_name]
  : EXTCON_PROP_DISP_[property_name]

- Add the new extcon APIs to support the extcon property.
  : extcon_set_property()
  : extcon_get_property()
  : extcon_set_property_capability()
  : extcon_get_property_capability()

- Add the new synchronization extcon APIs.
  : This feature adds the synchronization extcon APIs to support the noti
  for both state and property. When extcon_*_sync() functions is called,
  the extcon informs the information from extcon provider to extcon client.

  The extcon driver may need to change the both state and multiple properties
  at the same time. After setting the data of a external connector,
  the extcon send the notification to client driver with the extcon_*_sync().

  : extcon_sync()
  : extcon_set_state_sync()
  : extcon_set_property_sync()

- Change the name of existing APIs.
  : extcon_set_cable_state_() -> extcon_set_cable()
  : extcon_get_cable_state_() -> extcon_get_cable()

2. Add the extcon type to group the connector into five category.
- EXTCON_TYPE_USB  : USB connector
- EXTCON_TYPE_CHG  : Charger connector
- EXTCON_TYPE_JACK : Jack connector
- EXTCON_TYPE_DISP : Display connector
- EXTCON_TYPE_MISC : Miscellaneous connector

3. Add the new property for external connector.
- EXTCON_PROP_USB_VBUS
- EXTCON_PROP_USB_TYPEC_POLARITY
- EXTCON_PROP_USB_SS   (SuperSpeed)
- EXTCON_PROP_DISP_HPD (Hot Plug Detect)

4. Add the new type of external connector.
- EXTCON_DISP_DP  : Display Port
- EXTCON_DISP_HMD : Head Mounted Device
- EXTCON_CHG_WPT  : Wireless Power Transfer device

5. Add the new extcon driver.
- Qualcomm SPMI PMIC USB id detection driver detects whether
  EXTCON_USB_HOST is attached or detached. (extcon-qcom-spmi-mis.c)

6. Remove the usage of extcon_update_state() and old extcon_set_state()
- Both extcon_update_state() and extcon_set_state() should change the state
  of all external connectors with bit masking handling. It may occur the
  problem. Instead, extcon provides the extcon_set/get_state() functions.

7. Fix the minor issues on extcon drivers.
2016-09-13 17:17:31 +02:00
David S. Miller
67b9f0b737 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for your net tree,
they are:

1) Endianess fix for the new nf_tables netlink trace infrastructure,
   NFTA_TRACE_POLICY endianess was not correct, patch from Liping Zhang.

2) Fix broken re-route after userspace queueing in nf_tables route
   chain. This patch is large but it is simple since it is just getting
   this code in sync with iptable_mangle. Also from Liping.

3) NAT mangling via ctnetlink lies to userspace when nf_nat_setup_info()
   fails to setup the NAT conntrack extension. This problem has been
   there since the beginning, but it can now show up after rhashtable
   conversion.

4) Fix possible NULL pointer dereference due to failures in allocating
   the synproxy and seqadj conntrack extensions, from Gao feng.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-13 11:17:24 -04:00
Boris Brezillon
ebf9ff753c genirq: Provide irq_gc_{lock_irqsave,unlock_irqrestore}() helpers
Some irqchip drivers need to take the generic chip lock outside of the
irq context.

Provide the irq_gc_{lock_irqsave,unlock_irqrestore}() helpers to allow
one to disable irqs while entering a critical section protected by
gc->lock.

Note that we do not provide optimized version of these helpers for !SMP,
because they are not called from the hot-path.

[ tglx: Added a comment when these helpers should be [not] used ]

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable@vger.kernel.org
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Link: http://lkml.kernel.org/r/1473775109-4192-1-git-send-email-boris.brezillon@free-electrons.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-13 16:57:40 +02:00
Arnd Bergmann
93329cd046 Merge tag 'renesas-dt-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Merge "Renesas ARM Based SoC DT Updates for v4.9" from Simon Horman:

* Add DU, VIN, I2C, SDHI, EtherAVB, GPIO support to r8a7792
* Enable CAN0 on r8a7792/blanche
* Enable sound on r8a7794/silk
* Correct SDHI register size on r8a7794

* tag 'renesas-dt-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (26 commits)
  ARM: dts: r8a7792: add DU support
  ARM: dts: r8a7792: add DU clocks
  ARM: dts: r8a7792: fix misindented line
  ARM: dts: silk: add sound support
  ARM: dts: r8a7794: add sound support
  ARM: dts: r8a7794: add Audio-DMAC support
  ARM: dts: r8a7794: add MSTP10 clocks
  ARM: dts: r8a7794: add MSTP5 clocks
  ARM: dts: r8a7794: add audio clocks
  ARM: dts: r8a7792: add VIN support
  ARM: dts: r8a7792: add VIN clocks
  ARM: dts: r8a7792: add I2C support
  ARM: dts: r8a7792: add I2C clocks
  ARM: dts: r8a7792: add SDHI support
  ARM: dts: r8a7792: add SD clocks
  ARM: dts: r8a7794: Correct SDHI register size
  ARM: dts: blanche: add CAN0 support
  ARM: dts: r8a7792: add CAN support
  ARM: dts: r8a7792: add CAN clocks
  ARM: dts: r8a7792: add EtherAVB support
  ...
2016-09-13 16:01:12 +02:00
Yazen Ghannam
5828c46f2c x86/mce/AMD: Save MCA_IPID in MCE struct on SMCA systems
The MCA_IPID register uniquely identifies a bank's type and instance
on Scalable MCA systems. We should save the value of this register
in struct mce along with the other relevant error information. This
ensures that we can decode errors without relying on system software to
correlate the bank to the type.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1472680624-34221-1-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-13 15:23:12 +02:00
Yazen Ghannam
db819d60f6 x86/mce: Add support for new MCA_SYND register
Syndrome information is no longer contained in MCA_STATUS for SMCA
systems but in a new register - MCA_SYND.

Add a synd field to struct mce to hold MCA_SYND register value. Add it
to the end of struct mce to maintain compatibility with old versions of
mcelog. Also, add it to the respective tracepoint.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1467633035-32080-1-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-13 15:23:06 +02:00
Chen-Yu Tsai
8824ee8573 mfd: axp20x: Add support for AXP806 PMIC
The X-Powers AXP806 is a new PMIC that is paired with Allwinner's A80
SoC, along with a master AXP809 PMIC.

This PMIC has a new register layout, and supports some functions not
seen in other X-Powers PMICs, such as master-slave mode, or having
multiple AXP806 PMICs on the same bus with address space extension,
or supporting both I2C and RSB mode. I2C has not been tested.

This patch adds support for the interrupts of the PMIC. A regulator
sub-device is enabled, but actual regulator support will come in a
later patch.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-09-13 14:10:04 +01:00
Gao Feng
4440a2ab3b netfilter: synproxy: Check oom when adding synproxy and seqadj ct extensions
When memory is exhausted, nfct_seqadj_ext_add may fail to add the
synproxy and seqadj extensions. The function nf_ct_seqadj_init doesn't
check if get valid seqadj pointer by the nfct_seqadj.

Now drop the packet directly when fail to add seqadj extension to
avoid dereference NULL pointer in nf_ct_seqadj_init from
init_conntrack().

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-09-13 10:50:56 +02:00
Linus Walleij
2e68023971 Merge tag 'ib-mfd-gpio-regulator-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel
Immutable branch between MFD, GPIO and Regulator due for the v4.9 merge window
2016-09-13 10:31:59 +02:00
Linus Walleij
eb8994172a Merge tag 'v4.8-rc2' into devel
Linux 4.8-rc2
2016-09-13 10:31:40 +02:00