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34269 Commits

Author SHA1 Message Date
Mauro Carvalho Chehab
12b2efebfa media: docs: update em28xx and cx23885 cardlists 
As newer boards got added, update the cardlists.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 2018-05-05 10:35:22 -04:00
Niklas Söderlund
ec2b0d0463 media: rcar-vin: remove generic gen3 compatible string 
The compatible string "renesas,rcar-gen3-vin" was added before the
Gen3 driver code was added but it's not possible to use. Each SoC in the
Gen3 series require SoC specific knowledge in the driver to function.
Remove it before it is added to any device tree descriptions.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 2018-05-05 10:26:43 -04:00
Matt Ranostay
d203d1e10a media: dt-bindings: Add bindings for panasonic,amg88xx 
Define the device tree bindings for the panasonic,amg88xx i2c
video driver.

Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 2018-05-04 06:34:22 -04:00
Niklas Söderlund
a8966fb29e media: rcar-vin: add Gen3 devicetree bindings documentation 
Document the devicetree bindings for the CSI-2 inputs available on Gen3.

There is a need to add a custom property 'renesas,id' and to define
which CSI-2 input is described in which endpoint under the port@1 node.
This information is needed since there are a set of predefined routes
between each VIN and CSI-2 block. This routing table will be kept
inside the driver but in order for it to act on it it must know which
VIN and CSI-2 is which.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 2018-04-20 09:30:59 -04:00
Fabrizio Castro
1d14a5eaa1 media: dt-bindings: media: rcar_vin: add device tree support for r8a774[35] 
Add compatible strings for r8a7743 and r8a7745. No driver change
is needed as "renesas,rcar-gen2-vin" will activate the right code.
However, it is good practice to document compatible strings for the
specific SoC as this allows SoC specific changes to the driver if
needed, in addition to document SoC support and therefore allow
checkpatch.pl to validate compatible string values.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 2018-04-20 09:29:41 -04:00
Fabrizio Castro
aac7a6ccf2 media: dt-bindings: media: rcar_vin: Reverse SoC part number list 
Change the sorting of the part numbers from descending to ascending to
match with other documentation.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 2018-04-20 09:27:15 -04:00
Sean Young
95d1544eb6 media: rc: add ioctl to get the current timeout 
Since the kernel now modifies the timeout, make it possible to retrieve
the current value.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 2018-04-20 09:15:18 -04:00
Sean Young
ed8c34d7ec media: rc: report receiver and transmitter type on device register 
On the raspberry pi, we might have two lirc devices; one for sending and
one for receiving. This change makes it much more apparent which one
is which.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
 2018-04-20 09:12:43 -04:00
Linus Torvalds
9fb71c2f23 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 set of fixes and updates for x86:

   - Address a swiotlb regression which was caused by the recent DMA
     rework and made driver fail because dma_direct_supported() returned
     false

   - Fix a signedness bug in the APIC ID validation which caused invalid
     APIC IDs to be detected as valid thereby bloating the CPU possible
     space.

   - Fix inconsisten config dependcy/select magic for the MFD_CS5535
     driver.

   - Fix a corruption of the physical address space bits when encryption
     has reduced the address space and late cpuinfo updates overwrite
     the reduced bit information with the original value.

   - Dominiks syscall rework which consolidates the architecture
     specific syscall functions so all syscalls can be wrapped with the
     same macros. This allows to switch x86/64 to struct pt_regs based
     syscalls. Extend the clearing of user space controlled registers in
     the entry patch to the lower registers"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Fix signedness bug in APIC ID validity checks
  x86/cpu: Prevent cpuinfo_x86::x86_phys_bits adjustment corruption
  x86/olpc: Fix inconsistent MFD_CS5535 configuration
  swiotlb: Use dma_direct_supported() for swiotlb_ops
  syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention
  syscalls/core, syscalls/x86: Rename struct pt_regs-based sys_*() to __x64_sys_*()
  syscalls/core, syscalls/x86: Clean up compat syscall stub naming convention
  syscalls/core, syscalls/x86: Clean up syscall stub naming convention
  syscalls/x86: Extend register clearing on syscall entry to lower registers
  syscalls/x86: Unconditionally enable 'struct pt_regs' based syscalls on x86_64
  syscalls/x86: Use 'struct pt_regs' based syscall calling for IA32_EMULATION and x32
  syscalls/core: Prepare CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y for compat syscalls
  syscalls/x86: Use 'struct pt_regs' based syscall calling convention for 64-bit syscalls
  syscalls/core: Introduce CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y
  x86/syscalls: Don't pointlessly reload the system call number
  x86/mm: Fix documentation of module mapping range with 4-level paging
  x86/cpuid: Switch to 'static const' specifier
 2018-04-15 16:12:35 -07:00
Linus Torvalds
48023102b7 Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 
Pull overlayfs updates from Miklos Szeredi:
 "In addition to bug fixes and cleanups there are two new features from
  Amir:

   - Consistent inode number support for the case when layers are not
     all on the same filesystem (feature is dubbed "xino").

   - Optimize overlayfs file handle decoding. This one touches the
     exportfs interface to allow detecting the disconnected directory
     case"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: update documentation w.r.t "xino" feature
  ovl: add support for "xino" mount and config options
  ovl: consistent d_ino for non-samefs with xino
  ovl: consistent i_ino for non-samefs with xino
  ovl: constant st_ino for non-samefs with xino
  ovl: allocate anon bdev per unique lower fs
  ovl: factor out ovl_map_dev_ino() helper
  ovl: cleanup ovl_update_time()
  ovl: add WARN_ON() for non-dir redirect cases
  ovl: cleanup setting OVL_INDEX
  ovl: set d->is_dir and d->opaque for last path element
  ovl: Do not check for redirect if this is last layer
  ovl: lookup in inode cache first when decoding lower file handle
  ovl: do not try to reconnect a disconnected origin dentry
  ovl: disambiguate ovl_encode_fh()
  ovl: set lower layer st_dev only if setting lower st_ino
  ovl: fix lookup with middle layer opaque dir and absolute path redirects
  ovl: Set d->last properly during lookup
  ovl: set i_ino to the value of st_ino for NFS export
 2018-04-13 16:55:41 -07:00
Linus Torvalds
ba2b137d10 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 
Pull thermal management update from Zhang Rui:

 - Fix race condition in imx_thermal_probe() (Mikhail Lappo)

 - Add cooling device's statistics in sysfs (Viresh Kumar)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: Add cooling device's statistics in sysfs
  thermal: imx: Fix race condition in imx_thermal_probe()
 2018-04-13 16:52:26 -07:00
Linus Torvalds
ca4e7c5120 The large diff this time around is from the addition of a new clk driver 
for the TI Davinci family of SoCs. So far those clks have been supported
 with a custom implementation of the clk API in the arch port instead of in
 the CCF. With this driver merged we're one step closer to having a single
 clk API implementation.
 
 The other large diff is from the Amlogic clk driver that underwent some
 major surgery to use regmap. Beyond that, the biggest hitter is Samsung
 which needed some reworks to properly handle clk provider power domains
 and a bunch of PLL rate updates.
 
 The core framework was fairly quiet this round, just getting some cleanups
 and small fixes for some of the more esoteric features. And the usual
 set of driver non-critical fixes, cleanups, and minor additions are here as
 well.
 
 Core:
  - Rejig clk_ops::init() to be a little earlier for phase/accuracy ops
  - debugfs ops macroized to shave some lines of boilerplate code
  - Always calculate the phase instead of caching it in clk_get_phase()
  - More __must_check on bulk clk APIs
 
 New Drivers:
  - TI's Davinci family of SoCs
  - Intel's Stratix10 SoC
  - stm32mp157 SoC
  - Allwinner H6 CCU
  - Silicon Labs SI544 clock generator chip
  - Renesas R-Car M3-N and V3H SoCs
  - i.MX6SLL SoCs
 
 Removed Drivers:
  - ST-Ericsson AB8540/9540
 
 Updates:
  - Mediatek MT2701 and MT7622 audsys support and MT2712 updates
  - STM32F469 DSI and STM32F769 sdmmc2 support
  - GPIO clks can sleep now
  - Spreadtrum SC9860 RTC clks
  - Nvidia Tegra MBIST workarounds and various minor fixes
  - Rockchip phase handling fixes and a memory leak plugged
  - Renesas drivers switch to readl/writel from clk_readl/clk_writel
  - Renesas gained CPU (Z/Z2) and watchdog support
  - Rockchip rk3328 display clks and rk3399 1.6GHz PLL support
  - Qualcomm PM8921 PMIC XO buffers
  - Amlogic migrates to regmap APIs
  - TI Keystone clk latching support
  - Allwinner H3 and H5 video clk fixes
  - Broadcom BCM2835 PLLs needed another bit to enable
  - i.MX6SX CKO mux fix and i.MX7D Video PLL divider fix
  - i.MX6UL/ULL epdc_podf support
  - Hi3798CV200 COMBPHY0 and USB2_OTG_UTMI and phase support for eMMC
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The large diff this time around is from the addition of a new clk
  driver for the TI Davinci family of SoCs. So far those clks have been
  supported with a custom implementation of the clk API in the arch port
  instead of in the CCF. With this driver merged we're one step closer
  to having a single clk API implementation.

  The other large diff is from the Amlogic clk driver that underwent
  some major surgery to use regmap. Beyond that, the biggest hitter is
  Samsung which needed some reworks to properly handle clk provider
  power domains and a bunch of PLL rate updates.

  The core framework was fairly quiet this round, just getting some
  cleanups and small fixes for some of the more esoteric features. And
  the usual set of driver non-critical fixes, cleanups, and minor
  additions are here as well.

  Core:
   - Rejig clk_ops::init() to be a little earlier for phase/accuracy ops
   - debugfs ops macroized to shave some lines of boilerplate code
   - Always calculate the phase instead of caching it in clk_get_phase()
   - More __must_check on bulk clk APIs

  New Drivers:
   - TI's Davinci family of SoCs
   - Intel's Stratix10 SoC
   - stm32mp157 SoC
   - Allwinner H6 CCU
   - Silicon Labs SI544 clock generator chip
   - Renesas R-Car M3-N and V3H SoCs
   - i.MX6SLL SoCs

  Removed Drivers:
   - ST-Ericsson AB8540/9540

  Updates:
   - Mediatek MT2701 and MT7622 audsys support and MT2712 updates
   - STM32F469 DSI and STM32F769 sdmmc2 support
   - GPIO clks can sleep now
   - Spreadtrum SC9860 RTC clks
   - Nvidia Tegra MBIST workarounds and various minor fixes
   - Rockchip phase handling fixes and a memory leak plugged
   - Renesas drivers switch to readl/writel from clk_readl/clk_writel
   - Renesas gained CPU (Z/Z2) and watchdog support
   - Rockchip rk3328 display clks and rk3399 1.6GHz PLL support
   - Qualcomm PM8921 PMIC XO buffers
   - Amlogic migrates to regmap APIs
   - TI Keystone clk latching support
   - Allwinner H3 and H5 video clk fixes
   - Broadcom BCM2835 PLLs needed another bit to enable
   - i.MX6SX CKO mux fix and i.MX7D Video PLL divider fix
   - i.MX6UL/ULL epdc_podf support
   - Hi3798CV200 COMBPHY0 and USB2_OTG_UTMI and phase support for eMMC"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (233 commits)
  clk: davinci: add a reset lookup table for psc0
  clk: imx: add clock driver for imx6sll
  dt-bindings: imx: update clock doc for imx6sll
  clk: imx: add new gate/gate2 wrapper funtion
  clk: imx: Add CLK_IS_CRITICAL flag for busy divider and busy mux
  clk: cs2000: set pm_ops in hibernate-compatible way
  clk: bcm2835: De-assert/assert PLL reset signal when appropriate
  clk: imx7d: Move clks_init_on before any clock operations
  clk: imx7d: Correct ahb clk parent select
  clk: imx7d: Correct dram pll type
  clk: imx7d: Add USB clock information
  clk: socfpga: stratix10: add clock driver for Stratix10 platform
  dt-bindings: documentation: add clock bindings information for Stratix10
  clk: ti: fix flag space conflict with clkctrl clocks
  clk: uniphier: add additional ethernet clock lines for Pro4
  clk: uniphier: add SATA clock control support
  clk: uniphier: add PCIe clock control support
  clk: Add driver for the si544 clock generator chip
  clk: davinci: Remove redundant dev_err calls
  clk: uniphier: add ethernet clock control support for PXs3
  ...
 2018-04-13 15:51:06 -07:00
Linus Torvalds
daf3ef6e96 pwm: Changes for v4.17-rc1 
This set of changes adds support for more generations of the RCar
 controller as well as runtime PM support. The JZ4740 driver gains
 support for device tree and can now be used on all Ingenic SoCs.
 
 Rounding things off is a random assortment of fixes and cleanups
 all across the board.
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Merge tag 'pwm/for-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes adds support for more generations of the RCar
  controller as well as runtime PM support. The JZ4740 driver gains
  support for device tree and can now be used on all Ingenic SoCs.

  Rounding things off is a random assortment of fixes and cleanups all
  across the board"

* tag 'pwm/for-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (29 commits)
  pwm: rcar: Add suspend/resume support
  pwm: rcar: Use PM Runtime to control module clock
  dt-bindings: pwm: rcar: Add bindings for R-Car M3N support
  pwm: rcar: Fix a condition to prevent mismatch value setting to duty
  pwm: sysfs: Use put_device() instead of kfree()
  dt-bindings: pwm: sunxi: Add new compatible strings
  pwm: sun4i: Simplify controller mapping
  pwm: sun4i: Drop unused .has_rdy member
  pwm: sun4i: Properly check current state
  pwm: Remove depends on AVR32
  pwm: stm32: LPTimer: Use 3 cells ->of_xlate()
  dt-bindings: pwm-stm32-lp: Add #pwm-cells
  pwm: stm32: Protect common prescaler for all channels
  pwm: stm32: Remove unused struct device
  pwm: mediatek: Improve precision in rate calculation
  pwm: mediatek: Remove redundant MODULE_ALIAS entries
  pwm: mediatek: Fix up PWM4 and PWM5 malfunction on MT7623
  pwm: jz4740: Enable for all Ingenic SoCs
  pwm: jz4740: Add support for devicetree
  pwm: jz4740: Implement ->set_polarity()
  ...
 2018-04-13 15:46:21 -07:00
Linus Torvalds
41531f58a6 linux-watchdog 4.17-rc1 merge window tag 
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Merge tag 'linux-watchdog-4.17-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Add Nuvoton NPCM watchdog driver

 - renesas_wdt: Add R-Car Gen2 support

 - renesas_wdt: add suspend/resume and restart handler support

 - hpwdt: convert to watchdog core and improve NMI

 - improve timeout setting/handling in various drivers

 - coh901327: make license text and module licence match

 - fix error handling in asm9260_wdt, sprd_wdt and davinci_wdt

 - aspeed imrovements

 - dw improvements (for control register & suspend/resume)

 - add SPDX identifiers for watchdog subsystem

* tag 'linux-watchdog-4.17-rc1' of git://www.linux-watchdog.org/linux-watchdog: (35 commits)
  watchdog: davinci_wdt: fix error handling in davinci_wdt_probe()
  watchdog: add SPDX identifiers for watchdog subsystem
  watchdog: aspeed: Allow configuring for alternate boot
  watchdog: Add Nuvoton NPCM watchdog driver
  dt-bindings: watchdog: Add Nuvoton NPCM description
  watchdog: dw: save/restore control and timeout across suspend/resume
  watchdog: dw: RMW the control register
  watchdog: sprd_wdt: Fix error handling in sprd_wdt_enable()
  watchdog: aspeed: Fix translation of reset mode to ctrl register
  watchdog: renesas_wdt: Add restart handler
  watchdog: renesas_wdt: Add R-Car Gen2 support
  watchdog: renesas_wdt: Add suspend/resume support
  watchdog: f71808e_wdt: Fix WD_EN register read
  watchdog: hpwdt: Update driver version.
  watchdog: hpwdt: Add dynamic debug
  watchdog: hpwdt: Programable Pretimeout NMI
  watchdog: hpwdt: remove allow_kdump module parameter.
  watchdog: hpwdt: condition early return of NMI handler on iLO5
  watchdog: hpwdt: Modify to use watchdog core.
  watchdog: hpwdt: Update nmi_panic message.
  ...
 2018-04-13 15:43:50 -07:00
Linus Torvalds
4ac1800f81 We decided to request the latest three patches to be merged into this 
merge window while it's still open.
 
 1. The first patch adds a new function to lockref: lockref_put_not_zero
 2. The second patch fixes GFS2's glock dump code so it uses the new lockref
    function. This fixes a problem whereby lock dumps could miss glocks.
 3. I made a minor patch to update some comments and fix the lock ordering
    text in our gfs2-glocks.txt Documentation file.
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Merge tag 'gfs2-4.17.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull more gfs2 updates from Bob Peterson:
 "We decided to request the latest three patches to be merged into this
  merge window while it's still open.

   - The first patch adds a new function to lockref:
     lockref_put_not_zero

   - The second patch fixes GFS2's glock dump code so it uses the new
     lockref function. This fixes a problem whereby lock dumps could
     miss glocks.

   - I made a minor patch to update some comments and fix the lock
     ordering text in our gfs2-glocks.txt Documentation file"

* tag 'gfs2-4.17.fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  GFS2: Minor improvements to comments and documentation
  gfs2: Stop using rhashtable_walk_peek
  lockref: Add lockref_put_not_zero
 2018-04-12 13:00:44 -07:00
Linus Torvalds
19e8a2f875 Merge branch 'afs-dh' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull AFS updates from Al Viro:
 "The AFS series posted by dhowells depended upon lookup_one_len()
  rework; now that prereq is in the mainline, that series had been
  rebased on top of it and got some exposure and testing..."

* 'afs-dh' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  afs: Do better accretion of small writes on newly created content
  afs: Add stats for data transfer operations
  afs: Trace protocol errors
  afs: Locally edit directory data for mkdir/create/unlink/...
  afs: Adjust the directory XDR structures
  afs: Split the directory content defs into a header
  afs: Fix directory handling
  afs: Split the dynroot stuff out and give it its own ops tables
  afs: Keep track of invalid-before version for dentry coherency
  afs: Rearrange status mapping
  afs: Make it possible to get the data version in readpage
  afs: Init inode before accessing cache
  afs: Introduce a statistics proc file
  afs: Dump bad status record
  afs: Implement @cell substitution handling
  afs: Implement @sys substitution handling
  afs: Prospectively look up extra files when doing a single lookup
  afs: Don't over-increment the cell usage count when pinning it
  afs: Fix checker warnings
  vfs: Remove the const from dir_context::actor
 2018-04-12 11:59:06 -07:00
Bob Peterson
3e7aafc39c GFS2: Minor improvements to comments and documentation 
This patch simply fixes some comments and the gfs2-glocks.txt file:
Places where i_rwsem was called i_mutex, and adding i_rw_mutex.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
 2018-04-12 10:07:51 -07:00
Amir Goldstein
16149013f8 ovl: update documentation w.r.t "xino" feature 
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
 2018-04-12 12:04:51 +02:00
Ingo Molnar
ef389b7346 Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2018-04-12 09:42:34 +02:00
Linus Torvalds
e5c372280b IOMMU Updates for Linux v4.17 
These updates come with:
 
 	- OF_IOMMU support for the Rockchip iommu driver so that it can
 	  use generic DT bindings
 
 	- Rework of locking in the AMD IOMMU interrupt remapping code to
 	  make it work better in RT kernels
 
 	- Support for improved iotlb flushing in the AMD IOMMU driver
 
 	- Support for 52-bit physical and virtual addressing in the
 	  ARM-SMMU
 
 	- Various other small fixes and cleanups
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Merge tag 'iommu-updates-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU updates from Joerg Roedel:

 - OF_IOMMU support for the Rockchip iommu driver so that it can use
   generic DT bindings

 - rework of locking in the AMD IOMMU interrupt remapping code to make
   it work better in RT kernels

 - support for improved iotlb flushing in the AMD IOMMU driver

 - support for 52-bit physical and virtual addressing in the ARM-SMMU

 - various other small fixes and cleanups

* tag 'iommu-updates-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (53 commits)
  iommu/io-pgtable-arm: Avoid warning with 32-bit phys_addr_t
  iommu/rockchip: Support sharing IOMMU between masters
  iommu/rockchip: Add runtime PM support
  iommu/rockchip: Fix error handling in init
  iommu/rockchip: Use OF_IOMMU to attach devices automatically
  iommu/rockchip: Use IOMMU device for dma mapping operations
  dt-bindings: iommu/rockchip: Add clock property
  iommu/rockchip: Control clocks needed to access the IOMMU
  iommu/rockchip: Fix TLB flush of secondary IOMMUs
  iommu/rockchip: Use iopoll helpers to wait for hardware
  iommu/rockchip: Fix error handling in attach
  iommu/rockchip: Request irqs in rk_iommu_probe()
  iommu/rockchip: Fix error handling in probe
  iommu/rockchip: Prohibit unbind and remove
  iommu/amd: Return proper error code in irq_remapping_alloc()
  iommu/amd: Make amd_iommu_devtable_lock a spin_lock
  iommu/amd: Drop the lock while allocating new irq remap table
  iommu/amd: Factor out setting the remap table for a devid
  iommu/amd: Use `table' instead `irt' as variable name in amd_iommu_update_ga()
  iommu/amd: Remove the special case from alloc_irq_table()
  ...
 2018-04-11 18:50:41 -07:00
Linus Torvalds
1fe43114ea More power management updates for 4.17-rc1 
- Rework the idle loop in order to prevent CPUs from spending too
    much time in shallow idle states by making it stop the scheduler
    tick before putting the CPU into an idle state only if the idle
    duration predicted by the idle governor is long enough.  That
    required the code to be reordered to invoke the idle governor
    before stopping the tick, among other things (Rafael Wysocki,
    Frederic Weisbecker, Arnd Bergmann).
 
  - Add the missing description of the residency sysfs attribute to
    the cpuidle documentation (Prashanth Prakash).
 
  - Finalize the cpufreq cleanup moving frequency table validation
    from drivers to the core (Viresh Kumar).
 
  - Fix a clock leak regression in the armada-37xx cpufreq driver
    (Gregory Clement).
 
  - Fix the initialization of the CPU performance data structures
    for shared policies in the CPPC cpufreq driver (Shunyong Yang).
 
  - Clean up the ti-cpufreq, intel_pstate and CPPC cpufreq drivers
    a bit (Viresh Kumar, Rafael Wysocki).
 
  - Mark the expected switch fall-throughs in the PM QoS core (Gustavo
    Silva).
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Merge tag 'pm-4.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These include one big-ticket item which is the rework of the idle loop
  in order to prevent CPUs from spending too much time in shallow idle
  states. It reduces idle power on some systems by 10% or more and may
  improve performance of workloads in which the idle loop overhead
  matters. This has been in the works for several weeks and it has been
  tested and reviewed quite thoroughly.

  Also included are changes that finalize the cpufreq cleanup moving
  frequency table validation from drivers to the core, a few fixes and
  cleanups of cpufreq drivers, a cpuidle documentation update and a PM
  QoS core update to mark the expected switch fall-throughs in it.

  Specifics:

   - Rework the idle loop in order to prevent CPUs from spending too
     much time in shallow idle states by making it stop the scheduler
     tick before putting the CPU into an idle state only if the idle
     duration predicted by the idle governor is long enough.

     That required the code to be reordered to invoke the idle governor
     before stopping the tick, among other things (Rafael Wysocki,
     Frederic Weisbecker, Arnd Bergmann).

   - Add the missing description of the residency sysfs attribute to the
     cpuidle documentation (Prashanth Prakash).

   - Finalize the cpufreq cleanup moving frequency table validation from
     drivers to the core (Viresh Kumar).

   - Fix a clock leak regression in the armada-37xx cpufreq driver
     (Gregory Clement).

   - Fix the initialization of the CPU performance data structures for
     shared policies in the CPPC cpufreq driver (Shunyong Yang).

   - Clean up the ti-cpufreq, intel_pstate and CPPC cpufreq drivers a
     bit (Viresh Kumar, Rafael Wysocki).

   - Mark the expected switch fall-throughs in the PM QoS core (Gustavo
     Silva)"

* tag 'pm-4.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
  tick-sched: avoid a maybe-uninitialized warning
  cpufreq: Drop cpufreq_table_validate_and_show()
  cpufreq: SCMI: Don't validate the frequency table twice
  cpufreq: CPPC: Initialize shared perf capabilities of CPUs
  cpufreq: armada-37xx: Fix clock leak
  cpufreq: CPPC: Don't set transition_latency
  cpufreq: ti-cpufreq: Use builtin_platform_driver()
  cpufreq: intel_pstate: Do not include debugfs.h
  PM / QoS: mark expected switch fall-throughs
  cpuidle: Add definition of residency to sysfs documentation
  time: hrtimer: Use timerqueue_iterate_next() to get to the next timer
  nohz: Avoid duplication of code related to got_idle_tick
  nohz: Gather tick_sched booleans under a common flag field
  cpuidle: menu: Avoid selecting shallow states with stopped tick
  cpuidle: menu: Refine idle state selection for running tick
  sched: idle: Select idle state before stopping the tick
  time: hrtimer: Introduce hrtimer_next_event_without()
  time: tick-sched: Split tick_nohz_stop_sched_tick()
  cpuidle: Return nohz hint from cpuidle_select()
  jiffies: Introduce USER_TICK_USEC and redefine TICK_USEC
  ...
 2018-04-11 17:03:20 -07:00
Linus Torvalds
8837c70d53 Merge branch 'akpm' (patches from Andrew) 
Merge more updates from Andrew Morton:

 - almost all of the rest of MM

 - kasan updates

 - lots of procfs work

 - misc things

 - lib/ updates

 - checkpatch

 - rapidio

 - ipc/shm updates

 - the start of willy's XArray conversion

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (140 commits)
  page cache: use xa_lock
  xarray: add the xa_lock to the radix_tree_root
  fscache: use appropriate radix tree accessors
  export __set_page_dirty
  unicore32: turn flush_dcache_mmap_lock into a no-op
  arm64: turn flush_dcache_mmap_lock into a no-op
  mac80211_hwsim: use DEFINE_IDA
  radix tree: use GFP_ZONEMASK bits of gfp_t for flags
  linux/const.h: refactor _BITUL and _BITULL a bit
  linux/const.h: move UL() macro to include/linux/const.h
  linux/const.h: prefix include guard of uapi/linux/const.h with _UAPI
  xen, mm: allow deferred page initialization for xen pv domains
  elf: enforce MAP_FIXED on overlaying elf segments
  fs, elf: drop MAP_FIXED usage from elf_map
  mm: introduce MAP_FIXED_NOREPLACE
  MAINTAINERS: update bouncing aacraid@adaptec.com addresses
  fs/dcache.c: add cond_resched() in shrink_dentry_list()
  include/linux/kfifo.h: fix comment
  ipc/shm.c: shm_split(): remove unneeded test for NULL shm_file_data.vm_ops
  kernel/sysctl.c: add kdoc comments to do_proc_do{u}intvec_minmax_conv_param
  ...
 2018-04-11 10:51:26 -07:00
Matthew Wilcox
b93b016313 page cache: use xa_lock 
Remove the address_space ->tree_lock and use the xa_lock newly added to
the radix_tree_root.  Rename the address_space ->page_tree to ->i_pages,
since we don't really care that it's a tree.

[willy@infradead.org: fix nds32, fs/dax.c]
  Link: http://lkml.kernel.org/r/20180406145415.GB20605@bombadil.infradead.orgLink: http://lkml.kernel.org/r/20180313132639.17387-9-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:39 -07:00
Miguel Ojeda
d4ef8d3ff0 clang-format: add configuration file 
clang-format is a tool to format C/C++/...  code according to a set of
rules and heuristics.  Like most tools, it is not perfect nor covers
every single case, but it is good enough to be helpful.

In particular, it is useful for quickly re-formatting blocks of code
automatically, for reviewing full files in order to spot coding style
mistakes, typos and possible improvements.  It is also handy for sorting
``#includes``, for aligning variables and macros, for reflowing text and
other similar tasks.  It also serves as a teaching tool/guide for
newcomers.

The tool itself has been already included in the repositories of popular
Linux distributions for a long time.  The rules in this file are
intended for clang-format >= 4, which is easily available in most
distributions.

This commit adds the configuration file that contains the rules that the
tool uses to know how to format the code according to the kernel coding
style.  This gives us several advantages:

  * clang-format works out of the box with reasonable defaults;
    avoiding that everyone has to re-do the configuration.

  * Everyone agrees (eventually) on what is the most useful default
    configuration for most of the kernel.

  * If it becomes commonplace among kernel developers, clang-format
    may feel compelled to support us better. They already recognize
    the Linux kernel and its style in their documentation and in one
    of the style sub-options.

Some of clang-format's features relevant for the kernel are:

  * Uses clang's tooling support behind the scenes to parse and rewrite
    the code. It is not based on ad-hoc regexps.

  * Supports reasonably well the Linux kernel coding style.

  * Fast enough to be used at the press of a key.

  * There are already integrations (either built-in or third-party)
    for many common editors used by kernel developers (e.g. vim,
    emacs, Sublime, Atom...) that allow you to format an entire file
    or, more usefully, just your selection.

  * Able to parse unified diffs -- you can, for instance, reformat
    only the lines changed by a git commit.

  * Able to reflow text comments as well.

  * Widely supported and used by hundreds of developers in highly
    complex projects and organizations (e.g. the LLVM project itself,
    Chromium, WebKit, Google, Mozilla...). Therefore, it will be
    supported for a long time.

See more information about the tool at:

    https://clang.llvm.org/docs/ClangFormat.html
    https://clang.llvm.org/docs/ClangFormatStyleOptions.html

Link: http://lkml.kernel.org/r/20180318171632.qfkemw3mwbcukth6@gmail.com
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:35 -07:00
Kees Cook
bc4f2f5469 taint: add taint for randstruct 
Since the randstruct plugin can intentionally produce extremely unusual
kernel structure layouts (even performance pathological ones), some
maintainers want to be able to trivially determine if an Oops is coming
from a randstruct-built kernel, so as to keep their sanity when
debugging.  This adds the new flag and initializes taint_mask
immediately when built with randstruct.

Link: http://lkml.kernel.org/r/1519084390-43867-4-git-send-email-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:35 -07:00
Kees Cook
9c4560e5bb taint: consolidate documentation 
This consolidates the taint bit documentation into a single place with
both numeric and letter values.  Additionally adds the missing TAINT_AUX
documentation.

Link: http://lkml.kernel.org/r/1519084390-43867-3-git-send-email-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:34 -07:00
Joonsoo Kim
d3cda2337b mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE request 
Freepage on ZONE_HIGHMEM doesn't work for kernel memory so it's not that
important to reserve.  When ZONE_MOVABLE is used, this problem would
theorectically cause to decrease usable memory for GFP_HIGHUSER_MOVABLE
allocation request which is mainly used for page cache and anon page
allocation.  So, fix it by setting 0 to
sysctl_lowmem_reserve_ratio[ZONE_HIGHMEM].

And, defining sysctl_lowmem_reserve_ratio array by MAX_NR_ZONES - 1 size
makes code complex.  For example, if there is highmem system, following
reserve ratio is activated for *NORMAL ZONE* which would be easyily
misleading people.

 #ifdef CONFIG_HIGHMEM
 32
 #endif

This patch also fixes this situation by defining
sysctl_lowmem_reserve_ratio array by MAX_NR_ZONES and place "#ifdef" to
right place.

Link: http://lkml.kernel.org/r/1504672525-17915-1-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Tony Lindgren <tony@atomide.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: <linux-api@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:32 -07:00
Jérôme Glisse
e8eddfd2d9 Documentation/vm/hmm.txt: typos and syntaxes fixes 
This fix typos and syntaxes, thanks to Randy Dunlap for pointing them out
(they were all my faults).

Link: http://lkml.kernel.org/r/20180409151859.4713-1-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:31 -07:00
Ralph Campbell
76ea470ce4 mm/hmm: documentation editorial update to HMM documentation 
Update the documentation for HMM to fix minor typos and phrasing to be a
bit more readable.

Link: http://lkml.kernel.org/r/20180323005527.758-2-jglisse@redhat.com
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: Stephen  Bates <sbates@raithlin.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Evgeny Baskakov <ebaskakov@nvidia.com>
Cc: Mark Hairgrove <mhairgrove@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-11 10:28:30 -07:00
Rafael J. Wysocki
51798deaff Merge branches 'pm-cpuidle' and 'pm-qos' 
* pm-cpuidle:
  tick-sched: avoid a maybe-uninitialized warning
  cpuidle: Add definition of residency to sysfs documentation
  time: hrtimer: Use timerqueue_iterate_next() to get to the next timer
  nohz: Avoid duplication of code related to got_idle_tick
  nohz: Gather tick_sched booleans under a common flag field
  cpuidle: menu: Avoid selecting shallow states with stopped tick
  cpuidle: menu: Refine idle state selection for running tick
  sched: idle: Select idle state before stopping the tick
  time: hrtimer: Introduce hrtimer_next_event_without()
  time: tick-sched: Split tick_nohz_stop_sched_tick()
  cpuidle: Return nohz hint from cpuidle_select()
  jiffies: Introduce USER_TICK_USEC and redefine TICK_USEC
  sched: idle: Do not stop the tick before cpuidle_idle_call()
  sched: idle: Do not stop the tick upfront in the idle loop
  time: tick-sched: Reorganize idle tick management code

* pm-qos:
  PM / QoS: mark expected switch fall-throughs
 2018-04-11 13:22:46 +02:00
Linus Torvalds
b284d4d5a6 The big ticket items are: 
- support for rbd "fancy" striping (myself).  The striping feature bit
   is now fully implemented, allowing mapping v2 images with non-default
   striping patterns.  This completes support for --image-format 2.
 
 - CephFS quota support (Luis Henriques and Zheng Yan).  This set is
   based on the new SnapRealm code in the upcoming v13.y.z ("Mimic")
   release.  Quota handling will be rejected on older filesystems.
 
 - memory usage improvements in CephFS (Chengguang Xu).  Directory
   specific bits have been split out of ceph_file_info and some effort
   went into improving cap reservation code to avoid OOM crashes.
 
 Also included a bunch of assorted fixes all over the place from
 Chengguang and others.
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Merge tag 'ceph-for-4.17-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "The big ticket items are:

   - support for rbd "fancy" striping (myself).

     The striping feature bit is now fully implemented, allowing mapping
     v2 images with non-default striping patterns. This completes
     support for --image-format 2.

   - CephFS quota support (Luis Henriques and Zheng Yan).

     This set is based on the new SnapRealm code in the upcoming v13.y.z
     ("Mimic") release. Quota handling will be rejected on older
     filesystems.

   - memory usage improvements in CephFS (Chengguang Xu).

     Directory specific bits have been split out of ceph_file_info and
     some effort went into improving cap reservation code to avoid OOM
     crashes.

  Also included a bunch of assorted fixes all over the place from
  Chengguang and others"

* tag 'ceph-for-4.17-rc1' of git://github.com/ceph/ceph-client: (67 commits)
  ceph: quota: report root dir quota usage in statfs
  ceph: quota: add counter for snaprealms with quota
  ceph: quota: cache inode pointer in ceph_snap_realm
  ceph: fix root quota realm check
  ceph: don't check quota for snap inode
  ceph: quota: update MDS when max_bytes is approaching
  ceph: quota: support for ceph.quota.max_bytes
  ceph: quota: don't allow cross-quota renames
  ceph: quota: support for ceph.quota.max_files
  ceph: quota: add initial infrastructure to support cephfs quotas
  rbd: remove VLA usage
  rbd: fix spelling mistake: "reregisteration" -> "reregistration"
  ceph: rename function drop_leases() to a more descriptive name
  ceph: fix invalid point dereference for error case in mdsc destroy
  ceph: return proper bool type to caller instead of pointer
  ceph: optimize memory usage
  ceph: optimize mds session register
  libceph, ceph: add __init attribution to init funcitons
  ceph: filter out used flags when printing unused open flags
  ceph: don't wait on writeback when there is no more dirty pages
  ...
 2018-04-10 12:25:30 -07:00
Linus Torvalds
1b02dcb9fa DMAengine updates for v4.17-rc1 
This time we have couple of new drivers along with updates to drivers.
 
  - new driver for DesignWare AXI DMAC and MediaTek High-Speed DMA controller
  - stm32 dma and qcom bam dma driver updates
  - norandom test option for dmatest
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Merge tag 'dmaengine-4.17-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time we have couple of new drivers along with updates to drivers:

   - new drivers for the DesignWare AXI DMAC and MediaTek High-Speed DMA
     controllers

   - stm32 dma and qcom bam dma driver updates

   - norandom test option for dmatest"

* tag 'dmaengine-4.17-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (30 commits)
  dmaengine: stm32-dma: properly mask irq bits
  dmaengine: stm32-dma: fix max items per transfer
  dmaengine: stm32-dma: fix DMA IRQ status handling
  dmaengine: stm32-dma: Improve memory burst management
  dmaengine: stm32-dma: fix typo and reported checkpatch warnings
  dmaengine: stm32-dma: fix incomplete configuration in cyclic mode
  dmaengine: stm32-dma: threshold manages with bitfield feature
  dt-bindings: stm32-dma: introduce DMA features bitfield
  dt-bindings: rcar-dmac: Document r8a77470 support
  dmaengine: rcar-dmac: Fix too early/late system suspend/resume callbacks
  dmaengine: dw-axi-dmac: fix spelling mistake: "catched" -> "caught"
  dmaengine: edma: Check the memory allocation for the memcpy dma device
  dmaengine: at_xdmac: fix rare residue corruption
  dmaengine: mediatek: update MAINTAINERS entry with MediaTek DMA driver
  dmaengine: mediatek: Add MediaTek High-Speed DMA controller for MT7622 and MT7623 SoC
  dt-bindings: dmaengine: Add MediaTek High-Speed DMA controller bindings
  dt-bindings: Document the Synopsys DW AXI DMA bindings
  dmaengine: Introduce DW AXI DMAC driver
  dmaengine: pl330: fix a race condition in case of threaded irqs
  dmaengine: imx-sdma: fix pagefault when channel is disabled during interrupt
  ...
 2018-04-10 12:14:37 -07:00
Linus Torvalds
948869fa9f MIPS changes for 4.17 
These are the main MIPS changes for 4.17. Rough overview:
 
  (1) generic platform: Add support for Microsemi Ocelot SoCs
 
  (2) crypto: Add CRC32 and CRC32C HW acceleration module
 
  (3) Various cleanups and misc improvements
 
 Miscellaneous:
 
  - Hang more efficiently on halt/powerdown/restart
 
  - pm-cps: Block system suspend when a JTAG probe is present
 
  - Expand make help text for generic defconfigs
    - Refactor handling of legacy defconfigs
 
  - Determine the entry point from the ELF file header to fix microMIPS
    for certain toolchains
 
  - Introduce isa-rev.h for MIPS_ISA_REV and use to simplify other code
 
 Minor cleanups:
 
  - DTS: boston/ci20: Unit name cleanups and correction
 
  - kdump: Make the default for PHYSICAL_START always 64-bit
 
  - Constify gpio_led in Alchemy, AR7, and TXX9
 
  - Silence a couple of W=1 warnings
 
  - Remove duplicate includes
 
 Platform support:
 
 ath79:
 
  - Fix AR724X_PLL_REG_PCIE_CONFIG offset
 
 BCM47xx:
 
  - FIRMWARE: Use mac_pton() for MAC address parsing
 
  - Add Luxul XAP1500/XWR1750 WiFi LEDs
 
  - Use standard reset button for Luxul XWR-1750
 
 BMIPS:
 
  - Enable CONFIG_BRCMSTB_PM in bmips_stb_defconfig for build coverage
 
  - Add STB PM, wake-up timer, watchdog DT nodes
 
 Generic platform:
 
  - Add support for Microsemi Ocelot
    - dt-bindings: Add vendor prefix for Microsemi Corporation
    - dt-bindings: Add bindings for Microsemi SoCs
    - Add ocelot SoC & PCB123 board DTS files
    - MAINTAINERS: Add entry for Microsemi MIPS SoCs
 
  - Enable crc32-mips on r6 configs
 
 Octeon:
 
  - Drop '.' after newlines in printk calls
 
 ralink:
 
  - pci-mt7621: Enable PCIe on MT7688
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Merge tag 'mips_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

Pull MIPS updates from James Hogan:
 "These are the main MIPS changes for 4.17. Rough overview:

   (1) generic platform: Add support for Microsemi Ocelot SoCs

   (2) crypto: Add CRC32 and CRC32C HW acceleration module

   (3) Various cleanups and misc improvements

  More detailed summary:

  Miscellaneous:
   - hang more efficiently on halt/powerdown/restart
   - pm-cps: Block system suspend when a JTAG probe is present
   - expand make help text for generic defconfigs
   - refactor handling of legacy defconfigs
   - determine the entry point from the ELF file header to fix microMIPS
     for certain toolchains
   - introduce isa-rev.h for MIPS_ISA_REV and use to simplify other code

  Minor cleanups:
   - DTS: boston/ci20: Unit name cleanups and correction
   - kdump: Make the default for PHYSICAL_START always 64-bit
   - constify gpio_led in Alchemy, AR7, and TXX9
   - silence a couple of W=1 warnings
   - remove duplicate includes

  Platform support:
  Generic platform:
   - add support for Microsemi Ocelot
   - dt-bindings: Add vendor prefix for Microsemi Corporation
   - dt-bindings: Add bindings for Microsemi SoCs
   - add ocelot SoC & PCB123 board DTS files
   - MAINTAINERS: Add entry for Microsemi MIPS SoCs
   - enable crc32-mips on r6 configs

  ath79:
   - fix AR724X_PLL_REG_PCIE_CONFIG offset

  BCM47xx:
   - firmware: Use mac_pton() for MAC address parsing
   - add Luxul XAP1500/XWR1750 WiFi LEDs
   - use standard reset button for Luxul XWR-1750

  BMIPS:
   - enable CONFIG_BRCMSTB_PM in bmips_stb_defconfig for build coverage
   - add STB PM, wake-up timer, watchdog DT nodes

  Octeon:
   - drop '.' after newlines in printk calls

  ralink:
   - pci-mt7621: Enable PCIe on MT7688"

* tag 'mips_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (37 commits)
  MIPS: BCM47XX: Use standard reset button for Luxul XWR-1750
  MIPS: BCM47XX: Add Luxul XAP1500/XWR1750 WiFi LEDs
  MIPS: Make the default for PHYSICAL_START always 64-bit
  MIPS: Use the entry point from the ELF file header
  MAINTAINERS: Add entry for Microsemi MIPS SoCs
  MIPS: generic: Add support for Microsemi Ocelot
  MIPS: mscc: Add ocelot PCB123 device tree
  MIPS: mscc: Add ocelot dtsi
  dt-bindings: mips: Add bindings for Microsemi SoCs
  dt-bindings: Add vendor prefix for Microsemi Corporation
  MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset
  MIPS: pci-mt7620: Enable PCIe on MT7688
  MIPS: pm-cps: Block system suspend when a JTAG probe is present
  MIPS: VDSO: Replace __mips_isa_rev with MIPS_ISA_REV
  MIPS: BPF: Replace __mips_isa_rev with MIPS_ISA_REV
  MIPS: cpu-features.h: Replace __mips_isa_rev with MIPS_ISA_REV
  MIPS: Introduce isa-rev.h to define MIPS_ISA_REV
  MIPS: Hang more efficiently on halt/powerdown/restart
  FIRMWARE: bcm47xx_nvram: Replace mac address parsing
  MIPS: BMIPS: Add Broadcom STB watchdog nodes
  ...
 2018-04-10 11:39:22 -07:00
Linus Torvalds
2a56bb596b New features: 
- Tom Zanussi's extended histogram work
    This adds the synthetic events to have histograms from multiple event data
    Adds triggers "onmatch" and "onmax" to call the synthetic events
    Several updates to the histogram code from this
 
  - Allow way to nest ring buffer calls in the same context
 
  - Allow absolute time stamps in ring buffer
 
  - Rewrite of filter code parsing based on Al Viro's suggestions
 
  - Setting of trace_clock to global if TSC is unstable (on boot)
 
  - Better OOM handling when allocating large ring buffers
 
  - Added initcall tracepoints (consolidated initcall_debug code with them)
 
 And other various fixes and clean ups
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Merge tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "New features:

   - Tom Zanussi's extended histogram work.

     This adds the synthetic events to have histograms from multiple
     event data Adds triggers "onmatch" and "onmax" to call the
     synthetic events Several updates to the histogram code from this

   - Allow way to nest ring buffer calls in the same context

   - Allow absolute time stamps in ring buffer

   - Rewrite of filter code parsing based on Al Viro's suggestions

   - Setting of trace_clock to global if TSC is unstable (on boot)

   - Better OOM handling when allocating large ring buffers

   - Added initcall tracepoints (consolidated initcall_debug code with
     them)

  And other various fixes and clean ups"

* tag 'trace-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (68 commits)
  init: Have initcall_debug still work without CONFIG_TRACEPOINTS
  init, tracing: Have printk come through the trace events for initcall_debug
  init, tracing: instrument security and console initcall trace events
  init, tracing: Add initcall trace events
  tracing: Add rcu dereference annotation for test func that touches filter->prog
  tracing: Add rcu dereference annotation for filter->prog
  tracing: Fixup logic inversion on setting trace_global_clock defaults
  tracing: Hide global trace clock from lockdep
  ring-buffer: Add set/clear_current_oom_origin() during allocations
  ring-buffer: Check if memory is available before allocation
  lockdep: Add print_irqtrace_events() to __warn
  vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK)
  tracing: Uninitialized variable in create_tracing_map_fields()
  tracing: Make sure variable string fields are NULL-terminated
  tracing: Add action comparisons when testing matching hist triggers
  tracing: Don't add flag strings when displaying variable references
  tracing: Fix display of hist trigger expressions containing timestamps
  ftrace: Drop a VLA in module_exists()
  tracing: Mention trace_clock=global when warning about unstable clocks
  tracing: Default to using trace_global_clock if sched_clock is unstable
  ...
 2018-04-10 11:27:30 -07:00
Linus Torvalds
9f3a0941fb libnvdimm for 4.17 
* A rework of the filesytem-dax implementation provides for detection of
   unmap operations (truncate / hole punch) colliding with in-progress
   device-DMA. A fix for these collisions remains a work-in-progress
   pending resolution of truncate latency and starvation regressions.
 
 * The of_pmem driver expands the users of libnvdimm outside of x86 and
   ACPI to describe an implementation of persistent memory on PowerPC with
   Open Firmware / Device tree.
 
 * Address Range Scrub (ARS) handling is completely rewritten to account for
   the fact that ARS may run for 100s of seconds and there is no platform
   defined way to cancel it. ARS will now no longer block namespace
   initialization.
 
 * The NVDIMM Namespace Label implementation is updated to handle label
   areas as small as 1K, down from 128K.
 
 * Miscellaneous cleanups and updates to unit test infrastructure.
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Merge tag 'libnvdimm-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "This cycle was was not something I ever want to repeat as there were
  several late changes that have only now just settled.

  Half of the branch up to commit d2c997c0f1 ("fs, dax: use
  page->mapping to warn...") have been in -next for several releases.
  The of_pmem driver and the address range scrub rework were late
  arrivals, and the dax work was scaled back at the last moment.

  The of_pmem driver missed a previous merge window due to an oversight.
  A sense of obligation to rectify that miss is why it is included for
  4.17. It has acks from PowerPC folks. Stephen reported a build failure
  that only occurs when merging it with your latest tree, for now I have
  fixed that up by disabling modular builds of of_pmem. A test merge
  with your tree has received a build success report from the 0day robot
  over 156 configs.

  An initial version of the ARS rework was submitted before the merge
  window. It is self contained to libnvdimm, a net code reduction, and
  passing all unit tests.

  The filesystem-dax changes are based on the wait_var_event()
  functionality from tip/sched/core. However, late review feedback
  showed that those changes regressed truncate performance to a large
  degree. The branch was rewound to drop the truncate behavior change
  and now only includes preparation patches and cleanups (with full acks
  and reviews). The finalization of this dax-dma-vs-trnucate work will
  need to wait for 4.18.

  Summary:

   - A rework of the filesytem-dax implementation provides for detection
     of unmap operations (truncate / hole punch) colliding with
     in-progress device-DMA. A fix for these collisions remains a
     work-in-progress pending resolution of truncate latency and
     starvation regressions.

   - The of_pmem driver expands the users of libnvdimm outside of x86
     and ACPI to describe an implementation of persistent memory on
     PowerPC with Open Firmware / Device tree.

   - Address Range Scrub (ARS) handling is completely rewritten to
     account for the fact that ARS may run for 100s of seconds and there
     is no platform defined way to cancel it. ARS will now no longer
     block namespace initialization.

   - The NVDIMM Namespace Label implementation is updated to handle
     label areas as small as 1K, down from 128K.

   - Miscellaneous cleanups and updates to unit test infrastructure"

* tag 'libnvdimm-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (39 commits)
  libnvdimm, of_pmem: workaround OF_NUMA=n build error
  nfit, address-range-scrub: add module option to skip initial ars
  nfit, address-range-scrub: rework and simplify ARS state machine
  nfit, address-range-scrub: determine one platform max_ars value
  powerpc/powernv: Create platform devs for nvdimm buses
  doc/devicetree: Persistent memory region bindings
  libnvdimm: Add device-tree based driver
  libnvdimm: Add of_node to region and bus descriptors
  libnvdimm, region: quiet region probe
  libnvdimm, namespace: use a safe lookup for dimm device name
  libnvdimm, dimm: fix dpa reservation vs uninitialized label area
  libnvdimm, testing: update the default smart ctrl_temperature
  libnvdimm, testing: Add emulation for smart injection commands
  nfit, address-range-scrub: introduce nfit_spa->ars_state
  libnvdimm: add an api to cast a 'struct nd_region' to its 'struct device'
  nfit, address-range-scrub: fix scrub in-progress reporting
  dax, dm: allow device-mapper to operate without dax support
  dax: introduce CONFIG_DAX_DRIVER
  fs, dax: use page->mapping to warn if truncate collides with a busy page
  ext2, dax: introduce ext2_dax_aops
  ...
 2018-04-10 10:25:57 -07:00
Linus Torvalds
fbe173e3ff RTC for 4.17 
Subsystem:
  - Add tracepoints
  - Rework of the RTC/nvmem API to allow drivers to discard struct nvmem_config
    after registration
  - New range API, drivers can now expose the useful range of the RTC
  - New offset API the core is now able to add an offset to the RTC time,
    modifying the supported range.
  - Multiple rtc_time64_to_tm fixes
  - Handle time_t overflow on 32 bit platforms in the core instead of letting
    drivers do crazy things.
  - remove rtc_control API
 
 New driver:
  - Intersil ISL12026
 
 Drivers:
  - Drivers exposing the RTC non volatile memory have been converted to use nvmem
  - Removed useless time and date validation
  - Removed an indirection pattern that was a cargo cult from ancient drivers
  - Removed VLA usage
  - Fixed a possible race condition in probe functions
  - AB8540 support is dropped from ab8500
  - pcf85363 now has alarm support
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Merge tag 'rtc-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "This contains a few series that have been in preparation for a while
  and that will help systems with RTCs that will fail in 2038, 2069 or
  2100.

  Subsystem:
   - Add tracepoints
   - Rework of the RTC/nvmem API to allow drivers to discard struct
     nvmem_config after registration
   - New range API, drivers can now expose the useful range of the RTC
   - New offset API the core is now able to add an offset to the RTC
     time, modifying the supported range.
   - Multiple rtc_time64_to_tm fixes
   - Handle time_t overflow on 32 bit platforms in the core instead of
     letting drivers do crazy things.
   - remove rtc_control API

  New driver:
   - Intersil ISL12026

  Drivers:
   - Drivers exposing the RTC non volatile memory have been converted to
     use nvmem
   - Removed useless time and date validation
   - Removed an indirection pattern that was a cargo cult from ancient
     drivers
   - Removed VLA usage
   - Fixed a possible race condition in probe functions
   - AB8540 support is dropped from ab8500
   - pcf85363 now has alarm support"

* tag 'rtc-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (128 commits)
  rtc: snvs: Fix usage of snvs_rtc_enable
  rtc: mt7622: fix module autoloading for OF platform drivers
  rtc: isl12022: use true and false for boolean values
  rtc: ab8500: Drop AB8540 support
  rtc: remove a warning during scripts/kernel-doc step
  rtc: 88pm860x: remove artificial limitation
  rtc: 88pm80x: remove artificial limitation
  rtc: st-lpc: remove artificial limitation
  rtc: mrst: remove artificial limitation
  rtc: mv: remove artificial limitation
  rtc: hctosys: Ensure system time doesn't overflow time_t
  parisc: time: stop validating rtc_time in .read_time
  rtc: pcf85063: fix clearing bits in pcf85063_start_clock
  rtc: at91sam9: Set name of regmap_config
  rtc: s5m: Remove VLA usage
  rtc: s5m: Move enum from rtc.h to rtc-s5m.c
  rtc: remove VLA usage
  rtc: Add useful timestamp definitions
  rtc: Add one offset seconds to expand RTC range
  rtc: Factor out the RTC range validation into rtc_valid_range()
  ...
 2018-04-10 10:22:27 -07:00
Linus Torvalds
d36260050e media updates for v4.17-rc1 
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Merge tag 'media/v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:
 "A series of media updates/fixes for 4.17.

  There are two important core fix patches in this series:

   - A regression fix on Kernel 4.16 with causes it to not work with
     some input devices that depend on media core

   - A fix at compat32 bits with causes it to OOPS on overlay, and
     affects the Kernels where the CVE-2017-13166 was backported

  The remaining ones are other random fixes at the documentation and on
  drivers.

  The biggest part of this series is a set of 18 patches for the Intel
  atomisp driver. Currently, it produces hundreds of warnings/errors on
  sparse/smatch, causing me to sometimes ignore new warnings on other
  drivers that are not so broken. This driver is on really poor state,
  even for staging standards: it has several layers of abstraction on
  it, and it supports two different hardware. Selecting between them
  require to add a define (there isn't even a Kconfig option for such
  purpose). Just on this smatch cleanup, I could easily get rid of 8
  "do-nothing" files. So, I'm seriously considering its removal from
  upstream, if I don't see any real work on addressing the problems
  there along this year"

* tag 'media/v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (48 commits)
  media: v4l2-core: fix size of devnode_nums[] bitarray
  media: v4l2-compat-ioctl32: don't oops on overlay
  media: i2c: adv748x: afe: fix sparse warning
  media: extended-controls.rst: transmitter -> receiver
  media: staging: atomisp: stop duplicating input format types
  media: staging: atomisp: get rid of an unused var
  media: staging: atomisp: stop mixing enum types
  media: staging: atomisp: get rid of some static warnings
  media: staging: atomisp: use %p to print pointers
  media: staging: atomisp: remove an useless check
  media: staging: atomisp: avoid a warning if 32 bits build
  media: staging: atomisp: don't access a NULL var
  media: staging: atomisp: Get rid of *default.host.[ch]
  media: staging: atomisp: get rid of an unused function
  media: staging: atomisp: remove unused set_pd_base()
  media: staging: atomisp: fix endianess issues
  media: staging: atomisp: add a missing include
  media: staging: atomisp: get rid of stupid statements
  media: staging: atomisp: declare static vars as such
  media: staging: atomisp: ia_css_output.host: don't use var before check
  ...
 2018-04-10 10:10:30 -07:00
Viresh Kumar
2dd0df8472 cpufreq: Drop cpufreq_table_validate_and_show() 
This isn't used anymore. Remove the helper and update documentation
accordingly.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2018-04-10 08:40:45 +02:00
Vinod Koul
2ffb850e23 Merge branch 'topic/stm' into for-linus 2018-04-10 08:55:58 +05:30
Vinod Koul
3a7b854d62 Merge branch 'topic/renesas' into for-linus 2018-04-10 08:55:52 +05:30
Vinod Koul
185a6cdb78 Merge branch 'topic/qcom' into for-linus 2018-04-10 08:55:37 +05:30
Vinod Koul
c21bd0a867 Merge branch 'topic/mtek' into for-linus 2018-04-10 08:55:26 +05:30
Linus Torvalds
71219b3494 hwmon updates for v4.17 
- Added chip support: new centaur CPUs, ADM1272, NCT6796D
 - ucd9000: added debugfs attributes, gpio support
 - Cleanup and minor bug fixes
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Merge tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - added chip support: new Centaur CPUs, ADM1272, NCT6796D

 - ucd9000: added debugfs attributes, gpio support

 - cleanup and minor bug fixes

* tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (via-cputemp) support new centaur CPUs
  hwmon: (nct6775) Fix writing pwmX_mode
  hwmon: (lm92) Add max6635 to lm92_id[]
  hwmon: (pmbus/adm1275) Add support for ADM1272
  hwmon: (lm92) Do not try to detect MAX6635
  hwmon: (ucd9000) Add debugfs attributes to provide mfr_status
  hwmon: (ucd9000) Add gpio chip interface
  hwmon: (nct6775) Add support for NCT6796D
  hwmon: (nct6775) Initialize boolean variables with declaration
  hwmon: (nct6775) Improve fan6/pwm6 support
  hwmon: (nct6775) Use NUM_FAN consistently
  hwmon: (g762) handle cleanup with devm_add_action
  hwmon: (sht3x) Update data sheet URL
  hwmon: (sht21) Update data sheet URLs
  hwmon: (pmbus/adm1275) Accept negative page register values
  hwmon: (pmbus/max8688) Accept negative page register values
 2018-04-09 19:59:54 -07:00
Linus Torvalds
c18bb396d3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
Pull networking fixes from David Miller:

 1) The sockmap code has to free socket memory on close if there is
    corked data, from John Fastabend.

 2) Tunnel names coming from userspace need to be length validated. From
    Eric Dumazet.

 3) arp_filter() has to take VRFs properly into account, from Miguel
    Fadon Perlines.

 4) Fix oops in error path of tcf_bpf_init(), from Davide Caratti.

 5) Missing idr_remove() in u32_delete_key(), from Cong Wang.

 6) More syzbot stuff. Several use of uninitialized value fixes all
    over, from Eric Dumazet.

 7) Do not leak kernel memory to userspace in sctp, also from Eric
    Dumazet.

 8) Discard frames from unused ports in DSA, from Andrew Lunn.

 9) Fix DMA mapping and reset/failover problems in ibmvnic, from Thomas
    Falcon.

10) Do not access dp83640 PHY registers prematurely after reset, from
    Esben Haabendal.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
  vhost-net: set packet weight of tx polling to 2 * vq size
  net: thunderx: rework mac addresses list to u64 array
  inetpeer: fix uninit-value in inet_getpeer
  dp83640: Ensure against premature access to PHY registers after reset
  devlink: convert occ_get op to separate registration
  ARM: dts: ls1021a: Specify TBIPA register address
  net/fsl_pq_mdio: Allow explicit speficition of TBIPA address
  ibmvnic: Do not reset CRQ for Mobility driver resets
  ibmvnic: Fix failover case for non-redundant configuration
  ibmvnic: Fix reset scheduler error handling
  ibmvnic: Zero used TX descriptor counter on reset
  ibmvnic: Fix DMA mapping mistakes
  tipc: use the right skb in tipc_sk_fill_sock_diag()
  sctp: sctp_sockaddr_af must check minimal addr length for AF_INET6
  net: dsa: Discard frames from unused ports
  sctp: do not leak kernel memory to user space
  soreuseport: initialise timewait reuseport field
  ipv4: fix uninit-value in ip_route_output_key_hash_rcu()
  dccp: initialize ireq->ir_mark
  net: fix uninit-value in __hw_addr_add_ex()
  ...
 2018-04-09 17:04:10 -07:00
David Howells
6f8880d8e6 afs: Implement @sys substitution handling 
Implement the AFS feature by which @sys at the end of a pathname component
may be substituted for one of a list of values, typically naming the
operating system.  Up to 16 alternatives may be specified and these are
tried in turn until one works.  Each network namespace has[*] a separate
independent list.

Upon creation of a new network namespace, the list of values is
initialised[*] to a single OpenAFS-compatible string representing arch type
plus "_linux26".  For example, on x86_64, the sysname is "amd64_linux26".

[*] Or will, once network namespace support is finalised in kAFS.

The list may be set by:

	# for i in foo bar linux-x86_64; do echo $i; done >/proc/fs/afs/sysname

for which separate writes to the same fd are amalgamated and applied on
close.  The LF character may be used as a separator to specify multiple
items in the same write() call.

The list may be cleared by:

	# echo >/proc/fs/afs/sysname

and read by:

	# cat /proc/fs/afs/sysname
	foo
	bar
	linux-x86_64

Signed-off-by: David Howells <dhowells@redhat.com>
 2018-04-09 21:12:31 +01:00
Linus Torvalds
8ea4a5d84e orangefs: fixes and cleanups 
+ Documentation cleanups
  + removal of unused code
  + cause some structs to be static
  + implement Orangefs vm_operations fault callout
  + eliminate two single-use functions and put their cleaned up code in line.
  + replace a vmalloc/memset instance with vzalloc
  + fix a race condition bug in wait code.
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Merge tag 'for-linus-4.17-ofs' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Marshall:
 "Fixes and cleanups:

   - Documentation cleanups

   - removal of unused code

   - make some structs static

   - implement Orangefs vm_operations fault callout

   - eliminate two single-use functions and put their cleaned up code in
     line.

   - replace a vmalloc/memset instance with vzalloc

   - fix a race condition bug in wait code"

* tag 'for-linus-4.17-ofs' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  Orangefs: documentation updates
  orangefs: document package install and xfstests procedure
  orangefs: remove unused code
  orangefs: make several *_operations structs static
  orangefs: implement vm_ops->fault
  orangefs: open code short single-use functions
  orangefs: replace vmalloc and memset with vzalloc
  orangefs: bug fix for a race condition when getting a slot
 2018-04-09 12:45:47 -07:00
Linus Torvalds
d8312a3f61 ARM: 
- VHE optimizations
 - EL2 address space randomization
 - speculative execution mitigations ("variant 3a", aka execution past invalid
 privilege register access)
 - bugfixes and cleanups
 
 PPC:
 - improvements for the radix page fault handler for HV KVM on POWER9
 
 s390:
 - more kvm stat counters
 - virtio gpu plumbing
 - documentation
 - facilities improvements
 
 x86:
 - support for VMware magic I/O port and pseudo-PMCs
 - AMD pause loop exiting
 - support for AMD core performance extensions
 - support for synchronous register access
 - expose nVMX capabilities to userspace
 - support for Hyper-V signaling via eventfd
 - use Enlightened VMCS when running on Hyper-V
 - allow userspace to disable MWAIT/HLT/PAUSE vmexits
 - usual roundup of optimizations and nested virtualization bugfixes
 
 Generic:
 - API selftest infrastructure (though the only tests are for x86 as of now)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "ARM:
   - VHE optimizations

   - EL2 address space randomization

   - speculative execution mitigations ("variant 3a", aka execution past
     invalid privilege register access)

   - bugfixes and cleanups

  PPC:
   - improvements for the radix page fault handler for HV KVM on POWER9

  s390:
   - more kvm stat counters

   - virtio gpu plumbing

   - documentation

   - facilities improvements

  x86:
   - support for VMware magic I/O port and pseudo-PMCs

   - AMD pause loop exiting

   - support for AMD core performance extensions

   - support for synchronous register access

   - expose nVMX capabilities to userspace

   - support for Hyper-V signaling via eventfd

   - use Enlightened VMCS when running on Hyper-V

   - allow userspace to disable MWAIT/HLT/PAUSE vmexits

   - usual roundup of optimizations and nested virtualization bugfixes

  Generic:
   - API selftest infrastructure (though the only tests are for x86 as
     of now)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (174 commits)
  kvm: x86: fix a prototype warning
  kvm: selftests: add sync_regs_test
  kvm: selftests: add API testing infrastructure
  kvm: x86: fix a compile warning
  KVM: X86: Add Force Emulation Prefix for "emulate the next instruction"
  KVM: X86: Introduce handle_ud()
  KVM: vmx: unify adjacent #ifdefs
  x86: kvm: hide the unused 'cpu' variable
  KVM: VMX: remove bogus WARN_ON in handle_ept_misconfig
  Revert "KVM: X86: Fix SMRAM accessing even if VM is shutdown"
  kvm: Add emulation for movups/movupd
  KVM: VMX: raise internal error for exception during invalid protected mode state
  KVM: nVMX: Optimization: Dont set KVM_REQ_EVENT when VMExit with nested_run_pending
  KVM: nVMX: Require immediate-exit when event reinjected to L2 and L1 event pending
  KVM: x86: Fix misleading comments on handling pending exceptions
  KVM: x86: Rename interrupt.pending to interrupt.injected
  KVM: VMX: No need to clear pending NMI/interrupt on inject realmode interrupt
  x86/kvm: use Enlightened VMCS when running on Hyper-V
  x86/hyper-v: detect nested features
  x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
  ...
 2018-04-09 11:42:31 -07:00
Dan Williams
e13e75b86e Merge branch 'for-4.17/dax' into libnvdimm-for-next 2018-04-09 10:50:17 -07:00
Dan Williams
1ed41b5696 Merge branch 'for-4.17/libnvdimm' into libnvdimm-for-next 2018-04-09 10:50:08 -07:00
Linus Torvalds
becdce1c66 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 
Pull s390 updates from Martin Schwidefsky:

 - Improvements for the spectre defense:
    * The spectre related code is consolidated to a single file
      nospec-branch.c
    * Automatic enable/disable for the spectre v2 defenses (expoline vs.
      nobp)
    * Syslog messages for specve v2 are added
    * Enable CONFIG_GENERIC_CPU_VULNERABILITIES and define the attribute
      functions for spectre v1 and v2

 - Add helper macros for assembler alternatives and use them to shorten
   the code in entry.S.

 - Add support for persistent configuration data via the SCLP Store Data
   interface. The H/W interface requires a page table that uses 4K pages
   only, the code to setup such an address space is added as well.

 - Enable virtio GPU emulation in QEMU. To do this the depends
   statements for a few common Kconfig options are modified.

 - Add support for format-3 channel path descriptors and add a binary
   sysfs interface to export the associated utility strings.

 - Add a sysfs attribute to control the IFCC handling in case of
   constant channel errors.

 - The vfio-ccw changes from Cornelia.

 - Bug fixes and cleanups.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (40 commits)
  s390/kvm: improve stack frame constants in entry.S
  s390/lpp: use assembler alternatives for the LPP instruction
  s390/entry.S: use assembler alternatives
  s390: add assembler macros for CPU alternatives
  s390: add sysfs attributes for spectre
  s390: report spectre mitigation via syslog
  s390: add automatic detection of the spectre defense
  s390: move nobp parameter functions to nospec-branch.c
  s390/cio: add util_string sysfs attribute
  s390/chsc: query utility strings via fmt3 channel path descriptor
  s390/cio: rename struct channel_path_desc
  s390/cio: fix unbind of io_subchannel_driver
  s390/qdio: split up CCQ handling for EQBS / SQBS
  s390/qdio: don't retry EQBS after CCQ 96
  s390/qdio: restrict buffer merging to eligible devices
  s390/qdio: don't merge ERROR output buffers
  s390/qdio: simplify math in get_*_buffer_frontier()
  s390/decompressor: trim uncompressed image head during the build
  s390/crypto: Fix kernel crash on aes_s390 module remove.
  s390/defkeymap: fix global init to zero
  ...
 2018-04-09 09:04:10 -07:00