Commit Graph

520176 Commits

Author SHA1 Message Date
Paul Gortmaker
f59514b6a8 Documentation/prctl: don't build tsc tests when cross compiling
The following was seen in linux-next build coverage, which is somewhat
unique since it uses powerpc host to cross compile x86:

Documentation/prctl/disable-tsc-on-off-stress-test.c:36:1: error:
 impossible register constraint in 'asm'
Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c:34:1: error:
 impossible register constraint in 'asm'
Documentation/prctl/disable-tsc-test.c:36:1: error: impossible
 register constraint in 'asm'

It probably makes sense to just skip building these tests when
we are cross compiling.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Erik Bosman <ejbosman@cs.vu.nl>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 16:05:04 -06:00
Paul Gortmaker
6a407a81a9 Documentation/vDSO: don't build tests when cross compiling
The following was seen in linux-next build coverage, which is somewhat
unique since it uses powerpc host to cross compile x86:

Documentation/vDSO/vdso_standalone_test_x86.c:49:2: error: impossible
register constraint in 'asm'
make[4]: *** [Documentation/vDSO/vdso_standalone_test_x86.o] Error 1

It probably makes sense to just skip building these tests when
we are cross compiling.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 16:04:57 -06:00
Masanari Iida
e368c7291f Doc:ABI/testing: Fix typo in sysfs-bus-fcoe
This patch fix some spelling typo in sysfs-bus-fcoe

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 10:35:05 -06:00
Masanari Iida
57d1c23f98 Doc: Docbook: Change wikipedia's URL from http to https in scsi.tmpl
Recently wikipedia announced to secure access to the servers.
Now all http access re-route to https.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 10:29:32 -06:00
Masanari Iida
ae13c65bc7 Doc: Change wikipedia's URL from http to https
Recently wikipedia announced to secure access to the servers.
Now all http access re-route to https.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 10:14:05 -06:00
Alexander Kuleshov
c43088e3b8 Documentation/kernel-parameters: add missing pciserial to the earlyprintk
The PCI based UART can be specified for earlyprintk with the 'pciserial'
parameter from the ea9e9d802. This patch adds missing information about
this parameter.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 10:02:08 -06:00
Masanari Iida
ce9ae951d4 Doc:pps: Fix typo in pps.txt
This patch fix a spelling typo in Documentation/pps/pps.txt

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
[jc: did s/into/in the/ on the same line while we were there]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 09:59:28 -06:00
Anish Bhatt
ed45d40369 kbuild : Fix documentation of INSTALL_HDR_PATH
The header install makefile creates an 'include' directory inside
INSTALL_HDR_PATH and appending include to the path results in headers
being installed to include/include.

Don't recommend appending include to the path as makefile already does
this.

Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 09:56:07 -06:00
Jonathan Corbet
f8785d94fc Merge branch 'doc/4.2' into docs-next 2015-06-08 17:04:11 -06:00
Jonathan Corbet
8d13be5338 Merge branch 'core/documentation' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into docs-next
A week late but I managed to complete it all and moved it into Git, for better
structure and easy pulling.

Changes relative to the last submission:

  - Added higher level subsystem directories to collect features by
    subsystem:

      triton:~/tip> ls Documentation/features/
      arch-support.txt  core  debug  io  lib  list-arch.sh  locking  perf  sched  seccomp  time  vm

    each subsystem directory contains the feature directories. For example locking
    has:

      triton:~/tip> ls Documentation/features/locking/
      cmpxchg-local  lockdep  queued-rwlocks  queued-spinlocks  rwsem-optimized

    It's all pretty straightforward to navigate. Advantages are better
    visualization, plus git log is able to list changes per subsystem.

  - Prettified the visualization some more.

  - Improved/corrected the support matrices based on feedback to earlier submissions.

  - Updated the support matrices to today's linux-next, so that by the time this
    shows up in upstream in the next merge window it's really recent.
    Most notably there's a new architecture in linux-next (h8300).

This structure should address all feedback that I got and should minimize the
maintenance overhead (chance of conflicts).
2015-06-08 17:02:20 -06:00
Thomas de Beauchene
0d03943c0b Documentation: filesystems: updated struct file_operations documentation in vfs.txt
Updated struct file_operations documentation in vfs.txt to match
current implementation

Signed-off-by: Thomas de Beauchene <chauvo_t@epitech.eu>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 17:01:14 -06:00
Jeffrey Rogers
bd55daf48d kbuild: edit explanation of clean-files variable
Commit 976591810f (kbuild Update documentation of clean-files and clean-dirs)
changed the example for the clean-files variable, but left the explanation
unchanged. Edit the explanation to match the example.

Signed-off-by: Jeffrey Rogers <jeffreydavidrogers@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 16:45:46 -06:00
Masanari Iida
fc10639dfd Doc: ja_JP: Fix typo in HOWTO
This patch fix a spelling typo in ja_JP/HOWTO.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 16:43:09 -06:00
Pali Rohár
b3fd7368f8 Move freefall program from Documentation/ to tools/
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 16:42:07 -06:00
Krzysztof Kozlowski
a28ab162bd Documentation: ARM: EXYNOS: Describe boot loaders interface
Various boot loaders for Exynos based boards use certain memory
addresses during booting for different purposes. Mostly this is one of
following :
1. as a CPU boot address,
2. for storing magic cookie related to low power mode (AFTR, sleep).

The document, based solely on kernel source code, tries to group the
information scattered over different files. This would help in the
future when adding support for new SoC or when extending features
related to low power modes.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 16:39:54 -06:00
Linus Torvalds
d4a4f75cd8 Linux 4.1-rc7 2015-06-07 20:23:50 -07:00
Linus Torvalds
866e6441a4 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "Eight fixes across arch/mips.  Nothing stands particuarly out nor is
  complicated but fixes keep coming in at a higher than comfortable
  rate"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: KVM: Do not sign extend on unsigned MMIO load
  MIPS: BPF: Fix stack pointer allocation
  MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
  MIPS: Fix enabling of DEBUG_STACKOVERFLOW
  MIPS: c-r4k: Fix typo in probe_scache()
  MIPS: Avoid an FPE exception in FCSR mask probing
  MIPS: ath79: Add a missing new line in log message
  MIPS: ralink: Fix clearing the illegal access interrupt
2015-06-07 16:56:10 -07:00
Linus Torvalds
37ef1647b7 Driver core fixes for 4.1-rc7
Here are 2 fixes for the driver core that resolve some reported issues,
 one is a regression from 4.0, the other a fixes a reported oops that has
 been there since 3.19.  Both have been in linux-next for a while with no
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two fixes for the driver core that resolve some reported
  issues.

  One is a regression from 4.0, the other a fixes a reported oops that
  has been there since 3.19.

  Both have been in linux-next for a while with no problems"

* tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: cacheinfo: handle absence of caches
  drivers: of/base: move of_init to driver_init
2015-06-06 22:37:45 -07:00
Linus Torvalds
eadc21f5dc Staging / IIO fixes for 4.1-rc7
Here are some IIO driver fixes to resolve reported issues, some ozwpan
 fixes for some reported CVE problems, and a rtl8712 driver fix for a
 reported regression.
 
 All have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging / IIO fixes from Greg KH:
 "Here are some IIO driver fixes to resolve reported issues, some ozwpan
  fixes for some reported CVE problems, and a rtl8712 driver fix for a
  reported regression.

  All have been in linux-next successfully"

* tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8712: fix stack dump
  ozwpan: unchecked signed subtraction leads to DoS
  ozwpan: divide-by-zero leading to panic
  ozwpan: Use unsigned ints to prevent heap overflow
  ozwpan: Use proper check to prevent heap overflow
  iio: adc: twl6030-gpadc: Fix modalias
  iio: adis16400: Fix burst transfer for adis16448
  iio: adis16400: Fix burst mode
  iio: adis16400: Compute the scan mask from channel indices
  iio: adis16400: Use != channel indices for the two voltage channels
  iio: adis16400: Report pressure channel scale
2015-06-06 22:33:08 -07:00
Linus Torvalds
b334b77351 TTY/Serial driver fixes for 4.1-rc7
Here are a few TTY and Serial driver fixes for reported regressions and
 crashes.  All of these have been in linux-next with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a few TTY and Serial driver fixes for reported regressions
  and crashes.

  All of these have been in linux-next with no reported problems"

* tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  n_tty: Fix auditing support for cannonical mode
  serial: 8250_omap: provide complete custom startup & shutdown callbacks
  n_tty: Fix calculation of size in canon_copy_from_read_buf
  serial: imx: Fix DMA handling for IDLE condition aborts
  serial/amba-pl011: Unconditionally poll for FIFO space before each TX char
2015-06-06 22:14:23 -07:00
Linus Torvalds
e900f2c097 USB and PHY driver fixes for 4.1-rc7
Here are some USB and PHY driver fixes that resolve some reported
 regressions.  Also in here are some new device ids.  All of the details
 are in the shortlog and these patches have been in linux-next with no
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and PHY driver fixes from Greg KH:
 "Here are some USB and PHY driver fixes that resolve some reported
  regressions.  Also in here are some new device ids.

  All of the details are in the shortlog and these patches have been in
  linux-next with no problems"

* tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
  usb: gadget: f_fs: fix check in read operation
  usb: musb: fix order of conditions for assigning end point operations
  usb: gadget: f_uac1: check return code from config_ep_by_speed
  usb: gadget: ffs: fix: Always call ffs_closed() in ffs_data_clear()
  usb: gadget: g_ffs: Fix counting of missing_functions
  usb: s3c2410_udc: correct reversed pullup logic
  usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros
  usb: phy: tahvo: Pass the IRQF_ONESHOT flag
  usb: phy: ab8500-usb: Pass the IRQF_ONESHOT flag
  usb: renesas_usbhs: Revise the binding document about the dma-names
  usb: host: xhci: add mutex for non-thread-safe data
  usb: make module xhci_hcd removable
  USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board
  usb: gadget: f_midi: fix segfault when reading empty id
  phy: phy-rcar-gen2: Fix USBHS_UGSTS_LOCK value
  phy: omap-usb2: invoke pm_runtime_disable on error path
  phy: fix Kconfig dependencies
  ...
2015-06-06 22:06:53 -07:00
Linus Torvalds
be19c4ab81 Devicetree fix for v4.1
Stupid typo fix for v4.1. One of the IS_ENABLED() macro calls forgot the
 CONFIG_ prefix. Only affects a tiny number of platforms, but still...
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Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux

Pull devicetree fix from Grant Likely:
 "Stupid typo fix for v4.1.  One of the IS_ENABLED() macro calls forgot
  the CONFIG_ prefix.  Only affects a tiny number of platforms, but
  still..."

* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
  of/dynamic: Fix test for PPC_PSERIES
2015-06-06 21:43:29 -07:00
Linus Torvalds
4b1706927d Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "i915 has a bunch of fixes, and Russell found a bug in sysfs writing
  handling that results in userspace getting stuck"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fix writing to /sys/class/drm/*/status
  drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
  drm/i915: Include G4X/VLV/CHV in self refresh status
  drm/i915: Initialize HWS page address after GPU reset
  drm/i915: Don't skip request retirement if the active list is empty
  drm/i915/hsw: Fix workaround for server AUX channel clock divisor
2015-06-06 09:15:14 -07:00
Linus Torvalds
f46c5818b1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
 "Just a couple touchpad drivers fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: alps - do not reduce trackpoint speed by half
  Input: elantech - add new icbody type
  Input: elantech - fix detection of touchpads where the revision matches a known rate
2015-06-06 09:08:23 -07:00
Linus Torvalds
77493bd9b2 Merge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb fix from Konrad Rzeszutek Wilk:
 "Tiny little fix which just converts an function to be static.  Really
  tiny"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: do not export map_single function
2015-06-06 09:06:20 -07:00
Linus Torvalds
7dedcca09e Merge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull iBFT fix from Konrad Rzeszutek Wilk:
 "One single fix from Chris to workaround UEFI platforms failing with
  iSCSI IBFT"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: filter null v4-mapped v6 addresses
2015-06-06 09:03:54 -07:00
Nicholas Mc Guire
ed9244e6c5 MIPS: KVM: Do not sign extend on unsigned MMIO load
Fix possible unintended sign extension in unsigned MMIO loads by casting
to uint16_t in the case of mmio_needed != 2.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Tested-by: James Hogan <james.hogan@imgtec.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9985/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
Markos Chandras
8833bc308b MIPS: BPF: Fix stack pointer allocation
Fix stack pointer offset which could potentially corrupt
argument registers in the previous frame. The calculated offset
reflects the size of all the registers we need to preserve so there
is no need for this erroneous subtraction.

[ralf@linux-mips.org: Fixed conflict due to only applying this fix part
of the entire series as part of 4.1 fixes.]

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/10527/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
Huacai Chen
e1fb96e064 MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
setup_per_cpu_areas() only setup __per_cpu_offset[] for each possible
cpu, but loongson_sysconf.nr_cpus can be greater than possible cpus
(due to reserved_cpus_mask). So in loongson3_ipi_interrupt(), percpu
access will touch the original varible in .data..percpu section which
has been freed. Without this patch, cpu-hotplug will cause memery
corruption.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/10524/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
James Hogan
5f35b9cd55 MIPS: Fix enabling of DEBUG_STACKOVERFLOW
Commit 334c86c494 ("MIPS: IRQ: Add stackoverflow detection") added
kernel stack overflow detection, however it only enabled it conditional
upon the preprocessor definition DEBUG_STACKOVERFLOW, which is never
actually defined. The Kconfig option is called DEBUG_STACKOVERFLOW,
which manifests to the preprocessor as CONFIG_DEBUG_STACKOVERFLOW, so
switch it to using that definition instead.

Fixes: 334c86c494 ("MIPS: IRQ: Add stackoverflow detection")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Adam Jiang <jiang.adam@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 2.6.37+
Patchwork: http://patchwork.linux-mips.org/patch/10531/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:09 +02:00
Joshua Kinard
755af33b00 MIPS: c-r4k: Fix typo in probe_scache()
Fixes a typo in arch/mips/mm/c-r4k.c's probe_scache().

Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:09 +02:00
Chris Leech
e6050b61df iscsi_ibft: filter null v4-mapped v6 addresses
I've had reports of UEFI platforms failing iSCSI boot in various
configurations, that ended up being caused by network initialization
scripts getting tripped up by unexpected null addresses (0.0.0.0) being
reported for gateways, dhcp servers, and dns servers.

The tianocore EDK2 iSCSI driver generates an iBFT table that always uses
IPv4-mapped IPv6 addresses for the NIC structure fields.  This results
in values that are "not present or not specified" being reported as
::ffff:0.0.0.0 rather than all zeros as specified.

The iscsi_ibft module filters unspecified fields from the iBFT from
sysfs, preventing userspace from using invalid values and making it easy
to check for the presence of a value.  This currently fails in regard to
these mapped null addresses.

In order to remain consistent with how the iBFT information is exposed,
we should accommodate the behavior of the tianocore iSCSI driver as it's
already in the wild in a large number of servers.

Tested under qemu using an OVMF build of tianocore EDK2.

Signed-off-by: Chris Leech <cleech@redhat.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2015-06-05 21:07:02 -04:00
Masanari Iida
b322582fc1 Doc:nfc: Fix typo in nfc-hci.txt
This patch fix a spelling typo in nfc-hci.txt

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-06 07:55:26 +09:00
Alexandre Courbot
023600f192 swiotlb: do not export map_single function
The map_single() function is not defined as static, even though it
doesn't seem to be used anywhere else in the kernel. Make it static to
avoid namespace pollution since this is a rather generic symbol.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2015-06-05 18:46:30 -04:00
Russell King
38d8571dad drm: fix writing to /sys/class/drm/*/status
Writing to a file is supposed to return the number of bytes written.
Returning zero unfortunately causes bash to constantly spin trying
to write to the sysfs file, to such an extent that even ^c and ^z
have no effect.  The only way out of that is to kill the shell and
log back in.  This isn't nice behaviour.

Fix it by returning the number of characters written to sysfs files.

[airlied: used suggestion from Al Viro]
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2015-06-06 08:27:30 +10:00
Dave Airlie
a9592f17e8 Merge tag 'drm-intel-fixes-2015-06-05' of git://anongit.freedesktop.org/drm-intel into drm-fixes
bunch of i915 fixes.
* tag 'drm-intel-fixes-2015-06-05' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
  drm/i915: Include G4X/VLV/CHV in self refresh status
  drm/i915: Initialize HWS page address after GPU reset
  drm/i915: Don't skip request retirement if the active list is empty
  drm/i915/hsw: Fix workaround for server AUX channel clock divisor
2015-06-06 07:14:13 +10:00
Linus Torvalds
456fdb2673 PCI updates for v4.1:
Resource management
     - Fix IOV sorting by alignment (Wei Yang)
     - Preserve resource size during alignment reordering (Yinghai Lu)
 
   Miscellaneous
     - MAINTAINERS: Add Pratyush for SPEAr13xx and DesignWare PCIe (Pratyush Anand)
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Merge tag 'pci-v4.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Resource management
   - Fix IOV sorting by alignment (Wei Yang)
   - Preserve resource size during alignment reordering (Yinghai Lu)

  Miscellaneous
    - MAINTAINERS: Add Pratyush for SPEAr13xx and DesignWare PCIe (Pratyush Anand)"

* tag 'pci-v4.1-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Preserve resource size during alignment reordering
  PCI: Fix IOV resource sorting by alignment requirement
  MAINTAINERS: Add Pratyush Anand as SPEAr13xx and DesignWare PCIe maintainer
2015-06-05 10:22:06 -07:00
Linus Torvalds
6e6f9e0b00 sound fixes for 4.1-rc7
It was a fairly calm week; here you can find only a few trivial
 quirks and fixes for USB and HD-audio.  All changes are pretty
 device specific.
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Merge tag 'sound-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It was a fairly calm week; here you can find only a few trivial quirks
  and fixes for USB and HD-audio.  All changes are pretty device
  specific"

* tag 'sound-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: fix missing input volume controls in MAYA44 USB(+)
  ALSA: usb-audio: add MAYA44 USB+ mixer control names
  ALSA: hda/realtek - Add a fixup for another Acer Aspire 9420
  ALSA: hda - Fix jack detection at resume with VT codecs
  ALSA: usb-audio: don't try to get Outlaw RR2150 sample rate
  ALSA: usb-audio: Add mic volume fix quirk for Logitech Quickcam Fusion
  ALSA: hda/realtek - Suooprt Dell headset mode for ALC256
2015-06-05 10:16:52 -07:00
Linus Torvalds
44953afbea IOMMU Fix for Linux v4.1-rc6
Only one patch:
 
 	* Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
 	  This patch caused problems with some drivers, so it is better
 	  to revert it now until the drivers have been fixed.
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Merge tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:
 "Only one patch:

   - Revert "iommu/amd: Don't allocate with __GFP_ZERO in
     alloc_coherent".

     This patch caused problems with some drivers, so it is better to
     revert it now until the drivers have been fixed"

* tag 'iommu-fixes-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  Revert "iommu/amd: Don't allocate with __GFP_ZERO in alloc_coherent"
2015-06-05 10:14:51 -07:00
Linus Torvalds
51d0f0cb3a Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

   - early_idt_handlers[] fix that fixes the build with bleeding edge
     tooling

   - build warning fix on GCC 5.1

   - vm86 fix plus self-test to make it harder to break it again"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/asm/irq: Stop relying on magic JMP behavior for early_idt_handlers
  x86/asm/entry/32, selftests: Add a selftest for kernel entries from VM86 mode
  x86/boot: Add CONFIG_PARAVIRT_SPINLOCKS quirk to arch/x86/boot/compressed/misc.h
  x86/asm/entry/32: Really make user_mode() work correctly for VM86 mode
2015-06-05 10:03:48 -07:00
Linus Torvalds
a0e9c6efa5 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "The biggest chunk of the changes are two regression fixes: a HT
  workaround fix and an event-group scheduling fix.  It's been verified
  with 5 days of fuzzer testing.

  Other fixes:

   - eBPF fix
   - a BIOS breakage detection fix
   - PMU driver fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/pt: Fix a refactoring bug
  perf/x86: Tweak broken BIOS rules during check_hw_exists()
  perf/x86/intel/pt: Untangle pt_buffer_reset_markers()
  perf: Disallow sparse AUX allocations for non-SG PMUs in overwrite mode
  perf/x86: Improve HT workaround GP counter constraint
  perf/x86: Fix event/group validation
  perf: Fix race in BPF program unregister
2015-06-05 10:00:53 -07:00
Linus Torvalds
5943334737 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Just two small fixes: one radeon, one amdkfd"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/amdkfd: fix topology bug with capability attr.
  drm/radeon: use proper ACR regisiter for DCE3.2
2015-06-05 09:58:36 -07:00
Linus Torvalds
dc2c6eb6f7 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c bug fixes from Wolfram Sang:
 "Two small bugfixes for I2C"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: s3c2410: fix oops in suspend callback for non-dt platforms
  i2c: hix5hd2: Fix modalias to make module auto-loading work
2015-06-05 09:54:43 -07:00
Greg Kroah-Hartman
9d08203069 USB-serial fixes for v4.1-rc7
Here are a couple of new device ids.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.1-rc7

Here are a couple of new device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
2015-06-05 23:19:45 +09:00
Hans de Goede
088df2ccef Input: alps - do not reduce trackpoint speed by half
On some v7 devices (e.g. Lenovo-E550) the deltas reported are typically
only in the 0-1 range dividing this by 2 results in a range of 0-0.

And even for v7 devices where this does not lead to making the trackstick
entirely unusable, it makes it twice as slow as before we added v7 support
and were using the ps/2 mouse emulation of the dual point setup.

If some kind of generic slowdown is actually necessary for some devices,
then that belongs in userspace, not in the kernel.

Cc: stable@vger.kernel.org
Reported-and-tested-by: Rico Moorman <rico.moorman@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-04 22:34:40 -07:00
洪一竹
692dd19164 Input: elantech - add new icbody type
This adds new icbody type to the list recognized by Elantech PS/2 driver.

Cc: stable@vger.kernel.org
Signed-off-by: Sam Hung <sam.hung@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-04 22:34:39 -07:00
Geert Uytterhoeven
f76502aa91 of/dynamic: Fix test for PPC_PSERIES
"IS_ENABLED(PPC_PSERIES)" always evaluates to false, as IS_ENABLED() is
supposed to be used with the full Kconfig symbol name, including the
"CONFIG_" prefix.

Add the missing "CONFIG_" prefix to fix this.

Fixes: a25095d451 ("of: Move dynamic node fixups out of powerpc and into common code")

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable@vger.kernel.org #+3.17
Signed-off-by: Grant Likely <grant.likely@linaro.org>
2015-06-05 10:39:28 +09:00
Andreas Gruenbacher
47016077b6 vfs: Minor documentation fix
The check_acl inode operation and the IPERM_FLAG_RCU flag are long gone; update
the documentation.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-05 08:45:47 +09:00
Frans Klaver
03e8f01a67 Doc: networking: txtimestamp: fix printf format warning
Documentation/networking/timestamping/txtimestamp.c: In function ‘__print_timestamp’:
Documentation/networking/timestamping/txtimestamp.c:99:3: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int64_t’ [-Wformat=]
   fprintf(stderr, "  (%+ld us)", cur_ms - prev_ms);

int64_t differs per platform, so a type specifier that differs along
with it is required.

Signed-off-by: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-05 07:59:10 +09:00
Prarit Bhargava
1df1b3618d Documentation, intel_pstate: Improve legacy mode internal governors description
The current documentation is incomplete wrt the intel_pstate legacy
internal governors.  The confusion comes from the general cpufreq
governors which also use the names performance and powersave.  This patch
better differentiates between the two sets of governors and gives an
explanation of how the internal P-state governors behave differently from
one another.

Also fix two minor typos.

Cc: Prarit Bhargava <prarit@redhat.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: x86@kernel.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-05 07:48:57 +09:00