Commit Graph

33443 Commits

Author SHA1 Message Date
Jonathan Neuschäfer
7e6332592b Documentation: driver-api: Move gpio.rst to gpio/index.rst
To make space for more files in the GPIO section, create a
Documentation/driver-api/gpio/ directory.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-23 04:20:08 +01:00
Linus Walleij
95260c17b2 Linux 4.16-rc5
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Merge tag 'v4.16-rc5' into devel

Linux 4.16-rc5 merged into the GPIO devel branch to resolve
a nasty conflict between fixes and devel in the RCAR driver.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-18 17:48:59 +01:00
Linus Torvalds
abeb75218a dmaengine fixes for v4.16-rc5
Two small fixes are for this cycle:
 - fix max_chunk_size for rcar-dmac for R-Car Gen3
 - fix clock resource of mv_xor_v2
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Merge tag 'dmaengine-fix-4.16-rc5' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "Two small fixes are for this cycle:

   - fix max_chunk_size for rcar-dmac for R-Car Gen3

   - fix clock resource of mv_xor_v2"

* tag 'dmaengine-fix-4.16-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: mv_xor_v2: Fix clock resource by adding a register clock
  dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
2018-03-11 13:07:14 -07:00
Gregory CLEMENT
3cd2c313f1 dmaengine: mv_xor_v2: Fix clock resource by adding a register clock
On the CP110 components which are present on the Armada 7K/8K SoC we need
to explicitly enable the clock for the registers. However it is not
needed for the AP8xx component, that's why this clock is optional.

With this patch both clock have now a name, but in order to be backward
compatible, the name of the first clock is not used. It allows to still
use this clock with a device tree using the old binding.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2018-03-11 20:33:27 +05:30
Linus Torvalds
ed3c4dff8d The Sphinx 1.7 release broke the build process for reasons that are mostly
our fault.  This is a single fix cherry-picked from docs-next that restores
 docs buildability for all supported Sphinx versions.
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Merge tag 'docs-4.16-fix' of git://git.lwn.net/linux

Pull Documentation build fix from Jonathan Corbet:
 "The Sphinx 1.7 release broke the build process for reasons that are
  mostly our fault.

  This is a single fix cherry-picked from docs-next that restores docs
  buildability for all supported Sphinx versions"

* tag 'docs-4.16-fix' of git://git.lwn.net/linux:
  Documentation/sphinx: Fix Directive import error
2018-03-09 16:45:57 -08:00
Matthew Wilcox
ff690eeed8 Documentation/sphinx: Fix Directive import error
Sphinx 1.7 removed sphinx.util.compat.Directive so people
who have upgraded cannot build the documentation.  Switch to
docutils.parsers.rst.Directive which has been available since
docutils 0.5 released in 2009.

Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1083694
Co-developed-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-03-09 10:46:14 -07:00
Linus Torvalds
a525df0558 powerpc fixes for 4.16 #5
One notable fix to properly advertise our support for a new firmware feature,
 caused by two series conflicting semantically but not textually.
 
 There's a new ioctl for the new ocxl driver, which is not a fix, but needed to
 complete the userspace API and good to have before the driver is in a released
 kernel.
 
 Finally three minor selftest fixes, and a fix for intermittent build failures
 for some obscure platforms, caused by a missing make dependency.
 
 Thanks to:
   Alastair D'Silva, Bharata B Rao, Guenter Roeck.
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Merge tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "One notable fix to properly advertise our support for a new firmware
  feature, caused by two series conflicting semantically but not
  textually.

  There's a new ioctl for the new ocxl driver, which is not a fix, but
  needed to complete the userspace API and good to have before the
  driver is in a released kernel.

  Finally three minor selftest fixes, and a fix for intermittent build
  failures for some obscure platforms, caused by a missing make
  dependency.

  Thanks to: Alastair D'Silva, Bharata B Rao, Guenter Roeck"

* tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/pseries: Fix vector5 in ibm architecture vector table
  ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
  ocxl: Add get_metadata IOCTL to share OCXL information to userspace
  selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
  selftests/powerpc: Fix missing clean of pmu/lib.o
  powerpc/boot: Fix random libfdt related build errors
  selftests/powerpc: Skip tm-trap if transactional memory is not enabled
2018-03-09 09:33:48 -08:00
Linus Torvalds
ce380619fa More atomic cleanup from willy. Fix a python script to work with version 3.
Some other small cleanups.
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Merge tag 'please-pull-ia64_misc' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 cleanups from Tony Luck:

 - More atomic cleanup from willy

 - Fix a python script to work with version 3

 - Some other small cleanups

* tag 'please-pull-ia64_misc' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64/err-inject: fix spelling mistake: "capapbilities" -> "capabilities"
  ia64/err-inject: Use get_user_pages_fast()
  ia64: doc: tweak whitespace for 'console=' parameter
  ia64: Convert remaining atomic operations
  ia64: convert unwcheck.py to python3
2018-03-05 20:31:14 -08:00
Sergei Trofimovich
339d541a01 ia64: doc: tweak whitespace for 'console=' parameter
CC: Tony Luck <tony.luck@intel.com>
CC: Fenghua Yu <fenghua.yu@intel.com>
CC: linux-ia64@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2018-03-05 14:41:38 -08:00
Linus Torvalds
547046141f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Use an appropriate TSQ pacing shift in mac80211, from Toke
    Høiland-Jørgensen.

 2) Just like ipv4's ip_route_me_harder(), we have to use skb_to_full_sk
    in ip6_route_me_harder, from Eric Dumazet.

 3) Fix several shutdown races and similar other problems in l2tp, from
    James Chapman.

 4) Handle missing XDP flush properly in tuntap, for real this time.
    From Jason Wang.

 5) Out-of-bounds access in powerpc ebpf tailcalls, from Daniel
    Borkmann.

 6) Fix phy_resume() locking, from Andrew Lunn.

 7) IFLA_MTU values are ignored on newlink for some tunnel types, fix
    from Xin Long.

 8) Revert F-RTO middle box workarounds, they only handle one dimension
    of the problem. From Yuchung Cheng.

 9) Fix socket refcounting in RDS, from Ka-Cheong Poon.

10) Don't allow ppp unit registration to an unregistered channel, from
    Guillaume Nault.

11) Various hv_netvsc fixes from Stephen Hemminger.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (98 commits)
  hv_netvsc: propagate rx filters to VF
  hv_netvsc: filter multicast/broadcast
  hv_netvsc: defer queue selection to VF
  hv_netvsc: use napi_schedule_irqoff
  hv_netvsc: fix race in napi poll when rescheduling
  hv_netvsc: cancel subchannel setup before halting device
  hv_netvsc: fix error unwind handling if vmbus_open fails
  hv_netvsc: only wake transmit queue if link is up
  hv_netvsc: avoid retry on send during shutdown
  virtio-net: re enable XDP_REDIRECT for mergeable buffer
  ppp: prevent unregistered channels from connecting to PPP units
  tc-testing: skbmod: fix match value of ethertype
  mlxsw: spectrum_switchdev: Check success of FDB add operation
  net: make skb_gso_*_seglen functions private
  net: xfrm: use skb_gso_validate_network_len() to check gso sizes
  net: sched: tbf: handle GSO_BY_FRAGS case in enqueue
  net: rename skb_gso_validate_mtu -> skb_gso_validate_network_len
  rds: Incorrect reference counting in TCP socket creation
  net: ethtool: don't ignore return from driver get_fecparam method
  vrf: check forwarding on the original netdevice when generating ICMP dest unreachable
  ...
2018-03-05 11:29:24 -08:00
Linus Torvalds
e64b9562ba Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "A small set of fixes for x86:

   - Add missing instruction suffixes to assembly code so it can be
     compiled by newer GAS versions without warnings.

   - Switch refcount WARN exceptions to UD2 as we did in general

   - Make the reboot on Intel Edison platforms work

   - A small documentation update so text and sample command match"

* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation, x86, resctrl: Make text and sample command match
  x86/platform/intel-mid: Handle Intel Edison reboot correctly
  x86/asm: Add instruction suffixes to bitops
  x86/entry/64: Add instruction suffix
  x86/refcounts: Switch to UD2 for exceptions
2018-03-04 12:12:48 -08:00
Linus Torvalds
ff8d583621 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixlet from Thomas Gleixner:
 "Just a documentation update for the missing device tree property of
  the R-Car M3N interrupt controller"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dt-bindings/irqchip/renesas-irqc: Document R-Car M3-N support
2018-03-04 11:33:04 -08:00
Linus Torvalds
58bdf601c2 Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "A driver fix and a documentation fix (which makes dependency handling
  for the next cycle easier)"

* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: octeon: Prevent error message on bus error
  dt-bindings: at24: sort manufacturers alphabetically
2018-03-03 14:55:20 -08:00
Linus Torvalds
7cf901b355 media fixes for v4.16-rc4
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Merge tag 'media/v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

  - some build fixes with randconfigs

  - an m88ds3103 fix to prevent an OOPS if the chip doesn't provide the
    right version during probe (with can happen if the hardware hangs)

  - a potential out of array bounds reference in tvp5150

  - some fixes and improvements in the DVB memory mapped API (added for
    kernel 4.16)

* tag 'media/v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: vb2: Makefile: place vb2-trace together with vb2-core
  media: Don't let tvp5150_get_vbi() go out of vbi_ram_default array
  media: dvb: update buffer mmaped flags and frame counter
  media: dvb: add continuity error indicators for memory mapped buffers
  media: dmxdev: Fix the logic that enables DMA mmap support
  media: dmxdev: fix error code for invalid ioctls
  media: m88ds3103: don't call a non-initalized function
  media: au0828: add VIDEO_V4L2 dependency
  media: dvb: fix DVB_MMAP dependency
  media: dvb: fix DVB_MMAP symbol name
  media: videobuf2: fix build issues with vb2-trace
  media: videobuf2: Add VIDEOBUF2_V4L2 Kconfig option for VB2 V4L2 part
2018-03-03 10:27:14 -08:00
Linus Torvalds
03a6c2592f KVM fixes for v4.16-rc4
x86:
 - fix NULL dereference when using userspace lapic
 - optimize spectre v1 mitigations by allowing guests to use LFENCE
 - make microcode revision configurable to prevent guests from
   unnecessarily blacklisting spectre v2 mitigation features
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "x86:

   - fix NULL dereference when using userspace lapic

   - optimize spectre v1 mitigations by allowing guests to use LFENCE

   - make microcode revision configurable to prevent guests from
     unnecessarily blacklisting spectre v2 mitigation feature"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: fix vcpu initialization with userspace lapic
  KVM: X86: Allow userspace to define the microcode version
  KVM: X86: Introduce kvm_get_msr_feature()
  KVM: SVM: Add MSR-based feature support for serializing LFENCE
  KVM: x86: Add a framework for supporting MSR-based features
2018-03-02 19:40:43 -08:00
Linus Torvalds
329ad5e544 pci-v4.16-fixes-2
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Merge tag 'pci-v4.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Update pci.ids location (documentation only) (Randy Dunlap)

 - Fix a crash when BIOS didn't assign a BAR and we try to enlarge it
   (Christian König)

* tag 'pci-v4.16-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Allow release of resources that were never assigned
  PCI: Update location of pci.ids file
2018-03-02 17:44:39 -08:00
Baolin Wang
c910d6ad2f dt-bindings: gpio: Add Spreadtrum GPIO controller documentation
This patch adds the device tree bindings for the Spreadtrum
GPIO controller. The gpios will be supported by the GPIO
generic library.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-02 10:58:12 +01:00
Alastair D'Silva
e7666d046a ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-03-02 13:02:15 +11:00
Tom Lendacky
801e459a6f KVM: x86: Add a framework for supporting MSR-based features
Provide a new KVM capability that allows bits within MSRs to be recognized
as features.  Two new ioctls are added to the /dev/kvm ioctl routine to
retrieve the list of these MSRs and then retrieve their values. A kvm_x86_ops
callback is used to determine support for the listed MSR-based features.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[Tweaked documentation. - Radim]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2018-03-01 19:00:28 +01:00
James Hogan
8f6d3b0147 gpio: Drop TZ1090 drivers
Now that arch/metag/ has been removed, along with TZ1090 SoC support,
remove the TZ1090 GPIO drivers. They are of no value without the
architecture and SoC platform code.

Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-01 15:31:02 +01:00
Li RongQing
3000974616 Documentation, x86, resctrl: Make text and sample command match
The text says "Move the cpus 4-7 over to p1", but the sample command writes
to p0/cpus.

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: fenghua.yu@intel.com
Cc: linux-doc@vger.kernel.org
Link: https://lkml.kernel.org/r/1519712271-8802-1-git-send-email-lirongqing@baidu.com
2018-02-28 19:59:05 +01:00
Geert Uytterhoeven
7998a4ecc6 dt-bindings/irqchip/renesas-irqc: Document R-Car M3-N support
Document support for the Interrupt Controller for Externel Devices
(INTC-EX) in the Renesas M3-N (r8a77965) SoC.

No driver update is needed.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-renesas-soc@vger.kernel.org
Cc: Rob Herring <robh+dt@kernel.org>
Link: https://lkml.kernel.org/r/1519658712-22910-1-git-send-email-geert%2Brenesas@glider.be
2018-02-28 19:55:43 +01:00
Linus Torvalds
e04d368f47 DeviceTree fixes for 4.16:
- Update i.MX thermal binding example to use current binding, not the
   deprecated one
 
 - Move arm-charlcd to auxdisplay/
 
 - Fix misspelling of "debounce-interval"
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Merge tag 'devicetree-fixes-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - update i.MX thermal binding example to use current binding, not the
   deprecated one

 - move arm-charlcd to auxdisplay/

 - fix misspelling of "debounce-interval"

* tag 'devicetree-fixes-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: power: Fix "debounce-interval" property misspelling
  auxdisplay: Move arm-charlcd binding to correct folder
  dt-bindings: thermal: imx: update the binding to new method
2018-02-28 10:39:43 -08:00
Peter Rosin
377999caf7 dt-bindings: at24: sort manufacturers alphabetically
Makes them easier to find.

Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2018-02-28 09:56:23 +01:00
Sergei Shtylyov
3a291aa118 DT: net: renesas,ravb: document R8A77980 bindings
Renesas R-Car V3H (R8A77980) SoC has the R-Car gen3 compatible EtherAVB
device, so document the SoC specific bindings.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-26 15:10:31 -05:00
Linus Torvalds
d4858aaf6b s390:
- optimization for the exitless interrupt support that was merged in 4.16-rc1
 - improve the branch prediction blocking for nested KVM
 - replace some jump tables with switch statements to improve expoline performance
 - fixes for multiple epoch facility
 
 ARM:
 - fix the interaction of userspace irqchip VMs with in-kernel irqchip VMs
 - make sure we can build 32-bit KVM/ARM with gcc-8.
 
 x86:
 - fixes for AMD SEV
 - fixes for Intel nested VMX, emulated UMIP and a dump_stack() on VM startup
 - fixes for async page fault migration
 - small optimization to PV TLB flush (new in 4.16-rc1)
 - syzkaller fixes
 
 Generic:
 - compiler warning fixes
 - syzkaller fixes
 - more improvements to the kvm_stat tool
 
 Two more small Spectre fixes are going to reach you via Ingo.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "s390:
   - optimization for the exitless interrupt support that was merged in 4.16-rc1
   - improve the branch prediction blocking for nested KVM
   - replace some jump tables with switch statements to improve expoline performance
   - fixes for multiple epoch facility

  ARM:
   - fix the interaction of userspace irqchip VMs with in-kernel irqchip VMs
   - make sure we can build 32-bit KVM/ARM with gcc-8.

  x86:
   - fixes for AMD SEV
   - fixes for Intel nested VMX, emulated UMIP and a dump_stack() on VM startup
   - fixes for async page fault migration
   - small optimization to PV TLB flush (new in 4.16-rc1)
   - syzkaller fixes

  Generic:
   - compiler warning fixes
   - syzkaller fixes
   - more improvements to the kvm_stat tool

  Two more small Spectre fixes are going to reach you via Ingo"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (40 commits)
  KVM: SVM: Fix SEV LAUNCH_SECRET command
  KVM: SVM: install RSM intercept
  KVM: SVM: no need to call access_ok() in LAUNCH_MEASURE command
  include: psp-sev: Capitalize invalid length enum
  crypto: ccp: Fix sparse, use plain integer as NULL pointer
  KVM: X86: Avoid traversing all the cpus for pv tlb flush when steal time is disabled
  x86/kvm: Make parse_no_xxx __init for kvm
  KVM: x86: fix backward migration with async_PF
  kvm: fix warning for non-x86 builds
  kvm: fix warning for CONFIG_HAVE_KVM_EVENTFD builds
  tools/kvm_stat: print 'Total' line for multiple events only
  tools/kvm_stat: group child events indented after parent
  tools/kvm_stat: separate drilldown and fields filtering
  tools/kvm_stat: eliminate extra guest/pid selection dialog
  tools/kvm_stat: mark private methods as such
  tools/kvm_stat: fix debugfs handling
  tools/kvm_stat: print error on invalid regex
  tools/kvm_stat: fix crash when filtering out all non-child trace events
  tools/kvm_stat: avoid 'is' for equality checks
  tools/kvm_stat: use a more pythonic way to iterate over dictionaries
  ...
2018-02-26 09:28:35 -08:00
Linus Torvalds
c23a757591 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "A small set of fixes:

   - UAPI data type correction for hyperv

   - correct the cpu cores field in /proc/cpuinfo on CPU hotplug

   - return proper error code in the resctrl file system failure path to
     avoid silent subsequent failures

   - correct a subtle accounting issue in the new vector allocation code
     which went unnoticed for a while and caused suspend/resume
     failures"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
  x86/topology: Fix function name in documentation
  x86/intel_rdt: Fix incorrect returned value when creating rdgroup sub-directory in resctrl file system
  x86/apic/vector: Handle vector release on CPU unplug correctly
  genirq/matrix: Handle CPU offlining proper
  x86/headers/UAPI: Use __u64 instead of u64 in <uapi/asm/hyperv.h>
2018-02-25 16:58:55 -08:00
Radim Krčmář
fe2a3027e7 KVM: x86: fix backward migration with async_PF
Guests on new hypersiors might set KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT
bit when enabling async_PF, but this bit is reserved on old hypervisors,
which results in a failure upon migration.

To avoid breaking different cases, we are checking for CPUID feature bit
before enabling the feature and nothing else.

Fixes: 52a5c155cf ("KVM: async_pf: Let guest support delivery of async_pf from guest mode")
Cc: <stable@vger.kernel.org>
Reviewed-by: Wanpeng Li <wanpengli@tencent.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-02-24 01:43:48 +01:00
Linus Torvalds
938e1426e2 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Two bugfixes, one v4.16 regression fix, and two documentation fixes"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: designware: Consider SCL GPIO optional
  i2c: busses: i2c-sirf: Fix spelling: "formular" -> "formula".
  i2c: bcm2835: Set up the rising/falling edge delays
  i2c: i801: Add missing documentation entries for Braswell and Kaby Lake
  i2c: designware: must wait for enable
2018-02-23 14:41:14 -08:00
Linus Torvalds
8961ca441b exynos, meson, ipuv3, secondary gpu, cirrus, edid quirk fixes
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Merge tag 'drm-fixes-for-v4.16-rc3' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "A bunch of fixes for rc3:

  Exynos:
   - fixes for using monotonic timestamps
   - register definitions
   - removal of unused file

  ipu-v3L
   - minor changes
   - make some register arrays const+static
   - fix some leaks

  meson:
   - fix for vsync

  atomic:
   - fix for memory leak

  EDID parser:
   - add quirks for some more non-desktop devices
   - 6-bit panel fix.

  drm_mm:
   - fix a bug in the core drm mm hole handling

  cirrus:
   - fix lut loading regression

  Lastly there is a deadlock fix around runtime suspend for secondary
  GPUs.

  There was a deadlock between one thread trying to wait for a workqueue
  job to finish in the runtime suspend path, and the workqueue job it
  was waiting for in turn waiting for a runtime_get_sync to return.

  The fixes avoids it by not doing the runtime sync in the workqueue as
  then we always wait for all those tasks to complete before we runtime
  suspend"

* tag 'drm-fixes-for-v4.16-rc3' of git://people.freedesktop.org/~airlied/linux: (25 commits)
  drm/tve200: fix kernel-doc documentation comment include
  drm/edid: quirk Sony PlayStation VR headset as non-desktop
  drm/edid: quirk Windows Mixed Reality headsets as non-desktop
  drm/edid: quirk Oculus Rift headsets as non-desktop
  drm/meson: fix vsync buffer update
  drm: Handle unexpected holes in color-eviction
  drm: exynos: Use proper macro definition for HDMI_I2S_PIN_SEL_1
  drm/exynos: remove exynos_drm_rotator.h
  drm/exynos: g2d: Delete an error message for a failed memory allocation in two functions
  drm/exynos: fix comparison to bitshift when dealing with a mask
  drm/exynos: g2d: use monotonic timestamps
  drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
  gpu: ipu-csi: add 10/12-bit grayscale support to mbus_code_to_bus_cfg
  gpu: ipu-cpmem: add 16-bit grayscale support to ipu_cpmem_set_image
  gpu: ipu-v3: prg: fix device node leak in ipu_prg_lookup_by_phandle
  gpu: ipu-v3: pre: fix device node leak in ipu_pre_lookup_by_phandle
  drm/amdgpu: Fix deadlock on runtime suspend
  drm/radeon: Fix deadlock on runtime suspend
  drm/nouveau: Fix deadlock on runtime suspend
  drm: Allow determining if current task is output poll worker
  ...
2018-02-23 10:31:31 -08:00
Mauro Carvalho Chehab
9c171cdf22 media: dvb: add continuity error indicators for memory mapped buffers
While userspace can detect discontinuity errors, it is useful to
also let Kernelspace reporting discontinuity, as it can help to
identify if the data loss happened either at Kernel or userspace side.

Update documentation accordingly.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-02-23 05:28:41 -05:00
Dou Liyang
0c52f7c549 x86/topology: Fix function name in documentation
topology_sibling_cpumask() is the correct thread-related topology
function in the kernel:

  s/topology_sibling_mask/topology_sibling_cpumask

Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: corbet@lwn.net
Cc: linux-doc@vger.kernel.org
Link: http://lkml.kernel.org/r/20180222084812.14497-1-douly.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-02-23 08:40:12 +01:00
Randy Dunlap
6d516d6798 PCI: Update location of pci.ids file
Update the URL for the pci.ids file and add locations for its mirrors.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Cc: Martin Mares <mj@ucw.cz>
Cc: Michal Vaner <vorner@vorner.cz>
2018-02-22 15:00:43 -06:00
Baruch Siach
9777d8099a dt-bindings: gpio: add raspberry pi GPIO expander binding
The Raspberry Pi 3 GPIO expander is controlled by the VC4 firmware over
I2C. The firmware mailbox interface allows the ARM core to control the
GPIO lines.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-02-22 13:48:31 +01:00
Dave Airlie
dfe8db2237 Fixes for 4.16. I contains fixes for deadlock on runtime suspend on few
drivers, a memory leak on non-blocking commits, a crash on color-eviction.
 The is also meson and edid fixes, plus a fix for a doc warning.
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Merge tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Fixes for 4.16. I contains fixes for deadlock on runtime suspend on few
drivers, a memory leak on non-blocking commits, a crash on color-eviction.
The is also meson and edid fixes, plus a fix for a doc warning.

* tag 'drm-misc-fixes-2018-02-21' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/tve200: fix kernel-doc documentation comment include
  drm/meson: fix vsync buffer update
  drm: Handle unexpected holes in color-eviction
  drm/edid: Add 6 bpc quirk for CPT panel in Asus UX303LA
  drm/amdgpu: Fix deadlock on runtime suspend
  drm/radeon: Fix deadlock on runtime suspend
  drm/nouveau: Fix deadlock on runtime suspend
  drm: Allow determining if current task is output poll worker
  workqueue: Allow retrieval of current task's work struct
  drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits
2018-02-22 08:39:26 +10:00
Jarkko Nikula
1540779883 i2c: i801: Add missing documentation entries for Braswell and Kaby Lake
Commits adding PCI IDs for Intel Braswell and Kaby Lake PCH-H lacked the
respective Kconfig and Documentation/i2c/busses/i2c-i801 change. Add
them now.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-02-21 09:17:20 +01:00
Jani Nikula
30a3317ddc drm/tve200: fix kernel-doc documentation comment include
The DOC: line acts as an identifier for the :doc: include. Fixes:

./drivers/gpu/drm/tve200/tve200_drv.c:1: warning: no structured comments found

Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180220142008.9330-1-jani.nikula@intel.com
2018-02-21 09:26:38 +02:00
Linus Torvalds
79c0ef3e85 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Prevent index integer overflow in ptr_ring, from Jason Wang.

 2) Program mvpp2 multicast filter properly, from Mikulas Patocka.

 3) The bridge brport attribute file is write only and doesn't have a
    ->show() method, don't blindly invoke it. From Xin Long.

 4) Inverted mask used in genphy_setup_forced(), from Ingo van Lil.

 5) Fix multiple definition issue with if_ether.h UAPI header, from
    Hauke Mehrtens.

 6) Fix GFP_KERNEL usage in atomic in RDS protocol code, from Sowmini
    Varadhan.

 7) Revert XDP redirect support from thunderx driver, it is not
    implemented properly. From Jesper Dangaard Brouer.

 8) Fix missing RTNL protection across some tipc operations, from Ying
    Xue.

 9) Return the correct IV bytes in the TLS getsockopt code, from Boris
    Pismenny.

10) Take tclassid into consideration properly when doing FIB rule
    matching. From Stefano Brivio.

11) cxgb4 device needs more PCI VPD quirks, from Casey Leedom.

12) TUN driver doesn't align frags properly, and we can end up doing
    unaligned atomics on misaligned metadata. From Eric Dumazet.

13) Fix various crashes found using DEBUG_PREEMPT in rmnet driver, from
    Subash Abhinov Kasiviswanathan.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (56 commits)
  tg3: APE heartbeat changes
  mlxsw: spectrum_router: Do not unconditionally clear route offload indication
  net: qualcomm: rmnet: Fix possible null dereference in command processing
  net: qualcomm: rmnet: Fix warning seen with 64 bit stats
  net: qualcomm: rmnet: Fix crash on real dev unregistration
  sctp: remove the left unnecessary check for chunk in sctp_renege_events
  rxrpc: Work around usercopy check
  tun: fix tun_napi_alloc_frags() frag allocator
  udplite: fix partial checksum initialization
  skbuff: Fix comment mis-spelling.
  dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
  PCI/cxgb4: Extend T3 PCI quirk to T4+ devices
  cxgb4: fix trailing zero in CIM LA dump
  cxgb4: free up resources of pf 0-3
  fib_semantics: Don't match route with mismatching tclassid
  NFC: llcp: Limit size of SDP URI
  tls: getsockopt return record sequence number
  tls: reset the crypto info if copy_from_user fails
  tls: retrun the correct IV in getsockopt
  docs: segmentation-offloads.txt: add SCTP info
  ...
2018-02-19 11:58:19 -08:00
Geert Uytterhoeven
d40ade43e3 dt-bindings: power: Fix "debounce-interval" property misspelling
"debounce_interval" was never supported.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-02-18 21:05:43 -06:00
Linus Torvalds
b63b1e5730 ACPI updates for v4.16-rc2
- Revert a problematic EC driver change from the 4.13 cycle that
    introduced a system resume regression on Thinkpad X240 (Rafael
    Wysocki).
 
  - Clean up device tables handling in the ACPI core and the related
    part of the device properties framework (Andy Shevchenko).
 
  - Update the sysfs ABI documentatio of the dock and the INT3407
    special device drivers (Aishwarya Pant).
 
  - Add an expected switch fall-through marker to the SPCR table
    parsing code (Gustavo Silva).
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Merge tag 'acpi-4.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix a system resume regression from the 4.13 cycle, clean up
  device table handling in the ACPI core, update sysfs ABI documentation
  of a couple of drivers and add an expected switch fall-through marker
  to the SPCR table parsing code.

  Specifics:

   - Revert a problematic EC driver change from the 4.13 cycle that
     introduced a system resume regression on Thinkpad X240 (Rafael
     Wysocki).

   - Clean up device tables handling in the ACPI core and the related
     part of the device properties framework (Andy Shevchenko).

   - Update the sysfs ABI documentatio of the dock and the INT3407
     special device drivers (Aishwarya Pant).

   - Add an expected switch fall-through marker to the SPCR table
     parsing code (Gustavo Silva)"

* tag 'acpi-4.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: dock: document sysfs interface
  ACPI / DPTF: Document dptf_power sysfs atttributes
  device property: Constify device_get_match_data()
  ACPI / bus: Rename acpi_get_match_data() to acpi_device_get_match_data()
  ACPI / bus: Remove checks in acpi_get_match_data()
  ACPI / bus: Do not traverse through non-existed device table
  ACPI: SPCR: Mark expected switch fall-through in acpi_parse_spcr
  ACPI / EC: Restore polling during noirq suspend/resume phases
2018-02-15 14:50:32 -08:00
Linus Torvalds
8bb8966603 Power management updates for v4.16-rc2
- Fix a recently introduced build issue related to cpuidle by
    covering all of the relevant combinations of Kconfig options
    in its header (Rafael Wysocki).
 
  - Add missing invocation of pm_runtime_drop_link() to the
    !CONFIG_SRCU variant of __device_link_del() (Lukas Wunner).
 
  - Fix unbalanced IRQ enable in the wakeup interrupts framework
    (Tony Lindgren).
 
  - Update cpuidle sysfs ABI documentation (Aishwarya Pant).
 
  - Use GFP_KERNEL instead of GFP_ATOMIC for allocating memory
    in dev_pm_opp_init_cpufreq_table() (Jia-Ju Bai).
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Merge tag 'pm-4.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix a recently introduced build issue related to cpuidle and two
  bugs in the PM core, update cpuidle documentation and clean up memory
  allocations in the operating performance points (OPP) framework.

  Specifics:

   - Fix a recently introduced build issue related to cpuidle by
     covering all of the relevant combinations of Kconfig options
     in its header (Rafael Wysocki).

   - Add missing invocation of pm_runtime_drop_link() to the
     !CONFIG_SRCU variant of __device_link_del() (Lukas Wunner).

   - Fix unbalanced IRQ enable in the wakeup interrupts framework
     (Tony Lindgren).

   - Update cpuidle sysfs ABI documentation (Aishwarya Pant).

   - Use GFP_KERNEL instead of GFP_ATOMIC for allocating memory
     in dev_pm_opp_init_cpufreq_table() (Jia-Ju Bai)"

* tag 'pm-4.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: cpuidle: Fix cpuidle_poll_state_init() prototype
  PM / runtime: Update links_count also if !CONFIG_SRCU
  PM / wakeirq: Fix unbalanced IRQ enable for wakeirq
  Documentation/ABI: update cpuidle sysfs documentation
  opp: cpu: Replace GFP_ATOMIC with GFP_KERNEL in dev_pm_opp_init_cpufreq_table
2018-02-15 14:40:01 -08:00
Linus Torvalds
1388c80438 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "Misc fixes:

   - fix rq->lock lockdep annotation bug

   - fix/improve update_curr_rt() and update_curr_dl() accounting

   - update documentation

   - remove unused macro"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/cpufreq: Remove unused SUGOV_KTHREAD_PRIORITY macro
  sched/core: Fix DEBUG_SPINLOCK annotation for rq->lock
  sched/rt: Make update_curr_rt() more accurate
  sched/deadline: Make update_curr_dl() more accurate
  membarrier-sync-core: Document architecture support
2018-02-15 09:28:47 -08:00
Linus Torvalds
e9e3b3002f Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
 "This contains two qspinlock fixes and three documentation and comment
  fixes"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/semaphore: Update the file path in documentation
  locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()
  locking/qspinlock: Ensure node->count is updated before initialising node
  locking/qspinlock: Ensure node is initialised before updating prev->next
  Documentation/locking/mutex-design: Update to reflect latest changes
2018-02-15 09:05:26 -08:00
Rafael J. Wysocki
822ffaa581 Merge branches 'pm-cpuidle' and 'pm-opp'
* pm-cpuidle:
  PM: cpuidle: Fix cpuidle_poll_state_init() prototype
  Documentation/ABI: update cpuidle sysfs documentation

* pm-opp:
  opp: cpu: Replace GFP_ATOMIC with GFP_KERNEL in dev_pm_opp_init_cpufreq_table
2018-02-15 12:01:53 +01:00
Daniel Axtens
a677088922 docs: segmentation-offloads.txt: add SCTP info
Most of this is extracted from 90017accff ("sctp: Add GSO support"),
with some extra text about GSO_BY_FRAGS and the need to check for it.

Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-14 14:52:39 -05:00
Daniel Axtens
bc3c2431d4 docs: segmentation-offloads.txt: Fix ref to SKB_GSO_TUNNEL_REMCSUM
The doc originally called it SKB_GSO_REMCSUM. Fix it.

Fixes: f7a6272bf3 ("Documentation: Add documentation for TSO and GSO features")
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-14 14:52:39 -05:00
Daniel Axtens
a65820e695 docs: segmentation-offloads.txt: update for UFO depreciation
UFO is deprecated except for tuntap and packet per 0c19f846d5,
("net: accept UFO datagrams from tuntap and packet"). Update UFO
docs to reflect this.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-14 14:52:38 -05:00
Linus Torvalds
61f14c015f MIPS changes for 4.16-rc2
A single change (and associated DT binding update) to allow the address
 of the MIPS Cluster Power Controller (CPC) to be chosen by DT, which
 allows SMP to work on generic MIPS kernels where the bootloader hasn't
 configured the CPC address (i.e. the new Ranchu platform).
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Merge tag 'mips_4.16_2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

Pull MIPS fix from James Hogan:
 "A single change (and associated DT binding update) to allow the
  address of the MIPS Cluster Power Controller (CPC) to be chosen by DT,
  which allows SMP to work on generic MIPS kernels where the bootloader
  hasn't configured the CPC address (i.e. the new Ranchu platform)"

* tag 'mips_4.16_2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips:
  MIPS: CPC: Map registers using DT in mips_cpc_default_phys_base()
  dt-bindings: Document mti,mips-cpc binding
2018-02-13 09:35:17 -08:00
Will Deacon
61e02392d3 locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()
A test_and_{}_bit() operation fails if the value of the bit is such that
the modification does not take place. For example, if test_and_set_bit()
returns 1. In these cases, follow the behaviour of cmpxchg and allow the
operation to be unordered. This also applies to test_and_set_bit_lock()
if the lock is found to be be taken already.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1518528619-20049-1-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-02-13 14:55:53 +01:00
Andy Shevchenko
b4bf200bc0 auxdisplay: Move arm-charlcd binding to correct folder
This is a follow up to the commit

  00846a4425 ("auxdisplay: Move arm-charlcd.c to drivers/auxdisplay folder")

for Device Tree binding.

No functional change.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-02-12 08:41:38 -06:00