Commit Graph

42611 Commits

Author SHA1 Message Date
Linus Torvalds
c601747175 Fixes for 5.5:
- Minor documentation fixes
 - Fix a file corruption due to read racing with an insert range
 operation.
 - Fix log reservation overflows when allocating large rt extents
 - Fix a buffer log item flags check
 - Don't allow administrators to mount with sunit= options that will
 cause later xfs_repair complaints about the root directory being
 suspicious because the fs geometry appeared inconsistent
 - Fix a non-static helper that should have been static
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Merge tag 'xfs-5.5-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:
 "Fix a few bugs that could lead to corrupt files, fsck complaints, and
  filesystem crashes:

   - Minor documentation fixes

   - Fix a file corruption due to read racing with an insert range
     operation.

   - Fix log reservation overflows when allocating large rt extents

   - Fix a buffer log item flags check

   - Don't allow administrators to mount with sunit= options that will
     cause later xfs_repair complaints about the root directory being
     suspicious because the fs geometry appeared inconsistent

   - Fix a non-static helper that should have been static"

* tag 'xfs-5.5-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: Make the symbol 'xfs_rtalloc_log_count' static
  xfs: don't commit sunit/swidth updates to disk if that would cause repair failures
  xfs: split the sunit parameter update into two parts
  xfs: refactor agfl length computation function
  libxfs: resync with the userspace libxfs
  xfs: use bitops interface for buf log item AIL flag check
  xfs: fix log reservation overflows when allocating large rt extents
  xfs: stabilize insert range start boundary to avoid COW writeback race
  xfs: fix Sphinx documentation warning
2019-12-22 10:59:06 -08:00
Linus Torvalds
a396560706 Ext4 bug fixes (including a regression fix) for 5.5
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 bug fixes from Ted Ts'o:
 "Ext4 bug fixes, including a regression fix"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: clarify impact of 'commit' mount option
  ext4: fix unused-but-set-variable warning in ext4_add_entry()
  jbd2: fix kernel-doc notation warning
  ext4: use RCU API in debug_print_tree
  ext4: validate the debug_want_extra_isize mount option at parse time
  ext4: reserve revoke credits in __ext4_new_inode
  ext4: unlock on error in ext4_expand_extra_isize()
  ext4: optimize __ext4_check_dir_entry()
  ext4: check for directory entries too close to block end
  ext4: fix ext4_empty_dir() for directories with holes
2019-12-22 10:41:48 -08:00
Linus Torvalds
78bac77b52 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Several nf_flow_table_offload fixes from Pablo Neira Ayuso,
    including adding a missing ipv6 match description.

 2) Several heap overflow fixes in mwifiex from qize wang and Ganapathi
    Bhat.

 3) Fix uninit value in bond_neigh_init(), from Eric Dumazet.

 4) Fix non-ACPI probing of nxp-nci, from Stephan Gerhold.

 5) Fix use after free in tipc_disc_rcv(), from Tuong Lien.

 6) Enforce limit of 33 tail calls in mips and riscv JIT, from Paul
    Chaignon.

 7) Multicast MAC limit test is off by one in qede, from Manish Chopra.

 8) Fix established socket lookup race when socket goes from
    TCP_ESTABLISHED to TCP_LISTEN, because there lacks an intervening
    RCU grace period. From Eric Dumazet.

 9) Don't send empty SKBs from tcp_write_xmit(), also from Eric Dumazet.

10) Fix active backup transition after link failure in bonding, from
    Mahesh Bandewar.

11) Avoid zero sized hash table in gtp driver, from Taehee Yoo.

12) Fix wrong interface passed to ->mac_link_up(), from Russell King.

13) Fix DSA egress flooding settings in b53, from Florian Fainelli.

14) Memory leak in gmac_setup_txqs(), from Navid Emamdoost.

15) Fix double free in dpaa2-ptp code, from Ioana Ciornei.

16) Reject invalid MTU values in stmmac, from Jose Abreu.

17) Fix refcount leak in error path of u32 classifier, from Davide
    Caratti.

18) Fix regression causing iwlwifi firmware crashes on boot, from Anders
    Kaseorg.

19) Fix inverted return value logic in llc2 code, from Chan Shu Tak.

20) Disable hardware GRO when XDP is attached to qede, frm Manish
    Chopra.

21) Since we encode state in the low pointer bits, dst metrics must be
    at least 4 byte aligned, which is not necessarily true on m68k. Add
    annotations to fix this, from Geert Uytterhoeven.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (160 commits)
  sfc: Include XDP packet headroom in buffer step size.
  sfc: fix channel allocation with brute force
  net: dst: Force 4-byte alignment of dst_metrics
  selftests: pmtu: fix init mtu value in description
  hv_netvsc: Fix unwanted rx_table reset
  net: phy: ensure that phy IDs are correctly typed
  mod_devicetable: fix PHY module format
  qede: Disable hardware gro when xdp prog is installed
  net: ena: fix issues in setting interrupt moderation params in ethtool
  net: ena: fix default tx interrupt moderation interval
  net/smc: unregister ib devices in reboot_event
  net: stmmac: platform: Fix MDIO init for platforms without PHY
  llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
  net: hisilicon: Fix a BUG trigered by wrong bytes_compl
  net: dsa: ksz: use common define for tag len
  s390/qeth: don't return -ENOTSUPP to userspace
  s390/qeth: fix promiscuous mode after reset
  s390/qeth: handle error due to unsupported transport mode
  cxgb4: fix refcount init for TC-MQPRIO offload
  tc-testing: initial tdc selftests for cls_u32
  ...
2019-12-22 09:54:33 -08:00
Jan Kara
23f6b02405 ext4: clarify impact of 'commit' mount option
The description of 'commit' mount option dates back to ext3 times.
Update the description to match current meaning for ext4.

Reported-by: Paul Richards <paul.richards@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20191218111210.14161-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2019-12-21 21:36:53 -05:00
Linus Torvalds
6c1c79a5f4 Kbuild fixes for v5.5
- fix warning in out-of-tree 'make clean'
 
  - add READELF variable to the top Makefile
 
  - fix broken builds when LINUX_COMPILE_BY contains a backslash
 
  - fix build warning in kallsyms
 
  - fix NULL pointer access in expr_eq() in Kconfig
 
  - fix missing dependency on rsync in deb-pkg build
 
  - remove ---help--- from documentation
 
  - fix misleading documentation about directory descending
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Merge tag 'kbuild-fixes-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix warning in out-of-tree 'make clean'

 - add READELF variable to the top Makefile

 - fix broken builds when LINUX_COMPILE_BY contains a backslash

 - fix build warning in kallsyms

 - fix NULL pointer access in expr_eq() in Kconfig

 - fix missing dependency on rsync in deb-pkg build

 - remove ---help--- from documentation

 - fix misleading documentation about directory descending

* tag 'kbuild-fixes-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: clarify the difference between obj-y and obj-m w.r.t. descending
  kconfig: remove ---help--- from documentation
  scripts: package: mkdebian: add missing rsync dependency
  kconfig: don't crash on NULL expressions in expr_eq()
  scripts/kallsyms: fix offset overflow of kallsyms_relative_base
  mkcompile_h: use printf for LINUX_COMPILE_BY
  mkcompile_h: git rid of UTS_TRUNCATE from LINUX_COMPILE_{BY,HOST}
  x86/boot: kbuild: allow readelf executable to be specified
  kbuild: fix 'No such file or directory' warning when cleaning
2019-12-21 10:49:47 -08:00
Masahiro Yamada
28f94a4429 kbuild: clarify the difference between obj-y and obj-m w.r.t. descending
Kbuild descends into a directory by either 'y' or 'm', but there is an
important difference.

Kbuild combines the built-in objects into built-in.a in each directory.
The built-in.a in the directory visited by obj-y is merged into the
built-in.a in the parent directory. This merge happens recursively
when Kbuild is ascending back towards the top directory, then built-in
objects are linked into vmlinux eventually. This works properly only
when the Makefile specifying obj-y is reachable by the chain of obj-y.

On the other hand, Kbuild does not take built-in.a from the directory
visited by obj-m. This it, all the objects in that directory are
supposed to be modular. If Kbuild descends into a directory by obj-m,
but the Makefile in the sub-directory specifies obj-y, those objects
are just left orphan.

The current statement "Kbuild only uses this information to decide that
it needs to visit the directory" is misleading. Clarify the difference.

Reported-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
2019-12-22 00:25:35 +09:00
Linus Torvalds
f1fd1610cb Devicetree fix for 5.5-rc take 2:
- Add missing 'properties' keyword enclosing 'snps,tso' in snps,dwmac
   binding
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Merge tag 'devicetree-fixes-for-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fix from Rob Herring:
 "Add missing 'properties' keyword enclosing 'snps,tso' in snps,dwmac
  binding"

* tag 'devicetree-fixes-for-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: Add missing 'properties' keyword enclosing 'snps,tso'
2019-12-20 13:48:32 -08:00
Linus Torvalds
fce34dec76 platform-drivers-x86 for v5.5-2
* Add support of APUv4 and fix an assignment of simswap GPIO.
 * Add Siemens CONNECT X300 to DMI table to avoid stuck during boot.
 * Correct arguments of WMI call on HP Envy x360 15-cp0xxx model.
 * Fix the mlx-bootctl sysfs attributes to be device related.
 
 The following is an automated git shortlog grouped by driver:
 
 hp-wmi:
  -  Make buffer for HPWMI_FEATURE2_QUERY 128 bytes
 
 pcengines-apuv2:
  -  Spelling fixes in the driver
  -  detect apuv4 board
  -  fix simswap GPIO assignment
 
 platform/mellanox:
  -  fix the mlx-bootctl sysfs
 
 pmc_atom:
  -  Add Siemens CONNECT X300 to critclk_systems DMI table
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Merge tag 'platform-drivers-x86-v5.5-2' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver fixes from Andy Shevchenko:
 "Bucket of fixes for PDx86. Note, that there is no ABI breakage in
  Mellanox driver because it has been introduced in v5.5-rc1, so we can
  change it.

  Summary:

   - Add support of APUv4 and fix an assignment of simswap GPIO

   - Add Siemens CONNECT X300 to DMI table to avoid stuck during boot

   - Correct arguments of WMI call on HP Envy x360 15-cp0xxx model

   - Fix the mlx-bootctl sysfs attributes to be device related"

* tag 'platform-drivers-x86-v5.5-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: pcengines-apuv2: Spelling fixes in the driver
  platform/x86: pcengines-apuv2: detect apuv4 board
  platform/x86: pcengines-apuv2: fix simswap GPIO assignment
  platform/x86: pmc_atom: Add Siemens CONNECT X300 to critclk_systems DMI table
  platform/x86: hp-wmi: Make buffer for HPWMI_FEATURE2_QUERY 128 bytes
  platform/mellanox: fix the mlx-bootctl sysfs
2019-12-20 10:38:21 -08:00
Liming Sun
77dcc95e20 platform/mellanox: fix the mlx-bootctl sysfs
This is a follow-up commit for the sysfs attributes to change
from DRIVER_ATTR to DEVICE_ATTR according to some initial comments.
In such case, it's better to point the sysfs path to the device
itself instead of the driver. The ABI document is also updated.

Fixes: 79e29cb8fb ("platform/mellanox: Add bootctl driver for Mellanox BlueField Soc")
Signed-off-by: Liming Sun <lsun@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2019-12-20 19:00:50 +02:00
Masahiro Yamada
8f268881d7 kconfig: remove ---help--- from documentation
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), scripts/checkpatch.pl warns the use of ---help---.

Kconfig still supports ---help---, but new code should avoid using it.
Let's stop advertising it in documentation.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2019-12-18 23:17:29 +09:00
Rob Herring
dbce0b6504 dt-bindings: Add missing 'properties' keyword enclosing 'snps,tso'
DT property definitions must be under a 'properties' keyword. This was
missing for 'snps,tso' in an if/then clause. A meta-schema fix will
catch future errors like this.

Fixes: 7db3545aef ("dt-bindings: net: stmmac: Convert the binding to a schemas")
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-17 17:29:00 -06:00
Linus Torvalds
ea200dec51 ARM: SoC fixes
I didn't get a batch in this weekend, so here's what we queued up last
 week and today.
 
  - A couple of defconfigs add back debugfs -- it used to be implicitly
  enabled through CONFIG_TRACING, but 0e4a459f56 ("tracing: Remove
  unnecessary DEBUG_FS dependency") removed that.
 
  - The rest are mostly minor fixlets of the usual kind; some DT tweaks,
  a headerfile refactor that needs a build fix now, etc.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Olof Johansson:
 "I didn't get a batch in this weekend, so here's what we queued up last
  week and today.

   - A couple of defconfigs add back debugfs -- it used to be implicitly
     enabled through CONFIG_TRACING, but 0e4a459f56 ("tracing:
     Remove unnecessary DEBUG_FS dependency") removed that.

   - The rest are mostly minor fixlets of the usual kind; some DT
     tweaks, a headerfile refactor that needs a build fix now, etc"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
  ARM: bcm: Add missing sentinel to bcm2711_compat[]
  ARM: shmobile: defconfig: Restore debugfs support
  bus: ti-sysc: Fix missing reset delay handling
  ARM: imx: Fix boot crash if ocotp is not found
  ARM: imx_v6_v7_defconfig: Explicitly restore CONFIG_DEBUG_FS
  ARM: dts: imx6ul-evk: Fix peripheral regulator
  arm64: dts: ls1028a: fix reboot node
  ARM: mmp: include the correct cputype.h
  ARM: dts: am437x-gp/epos-evm: fix panel compatible
  arm64: dts: ls1028a: fix typo in TMU calibration data
  ARM: imx: Correct ocotp id for serial number support of i.MX6ULL/ULZ SoCs
  ARM: dts: bcm283x: Fix critical trip point
  ARM: omap2plus_defconfig: Add back DEBUG_FS
  ARM: omap2plus_defconfig: enable NET_SWITCHDEV
  ARM: dts: am335x-sancloud-bbe: fix phy mode
  bus: ti-sysc: Fix missing force mstandby quirk handling
  reset: Do not register resource data for missing resets
  reset: Fix {of,devm}_reset_control_array_get kerneldoc return types
  reset: brcmstb: Remove resource checks
  dt-bindings: reset: Fix brcmstb-reset example
  ...
2019-12-16 16:43:07 -08:00
Linus Torvalds
6afa873170 linux-kselftest-5.5-rc2
This Kselftest fixes update for Linux 5.5-rc2 consists of
 
 -- ftrace and safesetid test fixes from Masami Hiramatsu
 -- Kunit fixes from Brendan Higgins, Iurii Zaikin, and Heidi Fahim
 -- Kselftest framework fixes from SeongJae Park and Michael Ellerman
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Merge tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fixes from Shuah Khan:

 - ftrace and safesetid test fixes from Masami Hiramatsu

 - Kunit fixes from Brendan Higgins, Iurii Zaikin, and Heidi Fahim

 - Kselftest framework fixes from SeongJae Park and Michael Ellerman

* tag 'linux-kselftest-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kselftest: Support old perl versions
  kselftest/runner: Print new line in print of timeout log
  selftests: Fix dangling documentation references to kselftest_module.sh
  Documentation: kunit: add documentation for kunit_tool
  Documentation: kunit: fix typos and gramatical errors
  kunit: testing kunit: Bug fix in test_run_timeout function
  fs/ext4/inode-test: Fix inode test on 32 bit platforms.
  selftests: safesetid: Fix Makefile to set correct test program
  selftests: safesetid: Check the return value of setuid/setgid
  selftests: safesetid: Move link library to LDLIBS
  selftests/ftrace: Fix multiple kprobe testcase
  selftests/ftrace: Do not to use absolute debugfs path
  selftests/ftrace: Fix ftrace test cases to check unsupported
  selftests/ftrace: Fix to check the existence of set_ftrace_filter
2019-12-16 10:06:04 -08:00
Linus Torvalds
07c4b9e9f7 SCSI fixes on 20191214
24 fixes, all in drivers.  The lion's share (16) are qla2xxx and the
 rest are iscsi (3), ufs (2), smarpqi, lpfc and libsas.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "24 fixes, all in drivers. The lion's share (16) are qla2xxx and the
  rest are iscsi (3), ufs (2), smarpqi, lpfc and libsas"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits)
  scsi: iscsi: Avoid potential deadlock in iscsi_if_rx func
  scsi: iscsi: Fix a potential deadlock in the timeout handler
  scsi: smartpqi: Update attribute name to `driver_version`
  scsi: libsas: stop discovering if oob mode is disconnected
  scsi: ufs: Disable autohibern8 feature in Cadence UFS
  scsi: iscsi: qla4xxx: fix double free in probe
  scsi: ufs: Give an unique ID to each ufs-bsg
  scsi: qla2xxx: Add debug dump of LOGO payload and ELS IOCB
  scsi: qla2xxx: Ignore PORT UPDATE after N2N PLOGI
  scsi: qla2xxx: Don't defer relogin unconditonally
  scsi: qla2xxx: Send Notify ACK after N2N PLOGI
  scsi: qla2xxx: Configure local loop for N2N target
  scsi: qla2xxx: Fix PLOGI payload and ELS IOCB dump length
  scsi: qla2xxx: Don't call qlt_async_event twice
  scsi: qla2xxx: Allow PLOGI in target mode
  scsi: qla2xxx: Change discovery state before PLOGI
  scsi: qla2xxx: Drop superfluous INIT_WORK of del_work
  scsi: qla2xxx: Initialize free_work before flushing it
  scsi: qla2xxx: Use explicit LOGO in target mode
  scsi: qla2xxx: Ignore NULL pointer in tcm_qla2xxx_free_mcmd
  ...
2019-12-14 12:51:57 -08:00
Linus Torvalds
aff2a52507 Staging/IIO fixes for 5.5-rc2
Here are a number of small staging and IIO driver fixes for reported
 issues for 5.5-rc2
 
 Nothing major, a bunch of tiny IIO driver issues resolved, and some
 staging driver fixes for things that people ran into with 5.5-rc1.  Full
 details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO fixes from Greg KH:
 "Here are a number of small staging and IIO driver fixes for reported
  issues for 5.5-rc2

  Nothing major, a bunch of tiny IIO driver issues resolved, and some
  staging driver fixes for things that people ran into with 5.5-rc1.
  Full details are in the shortlog.

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

* tag 'staging-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits)
  fbtft: Fix the initialization from property algorithm
  staging: rtl8712: fix interface sanity check
  staging: rtl8188eu: fix interface sanity check
  staging: gigaset: add endpoint-type sanity check
  staging: gigaset: fix illegal free on probe errors
  staging: gigaset: fix general protection fault on probe
  staging: vchiq: call unregister_chrdev_region() when driver registration fails
  staging: exfat: fix multiple definition error of `rename_file'
  staging/wlan-ng: add CRC32 dependency in Kconfig
  staging: hp100: Fix build error without ETHERNET
  staging: fbtft: Do not hardcode SPI CS polarity inversion
  staging: exfat: properly support discard in clr_alloc_bitmap()
  staging/octeon: Mark Ethernet driver as BROKEN
  iio: adc: max9611: Fix too short conversion time delay
  iio: ad7949: fix channels mixups
  iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
  iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
  iio: imu: st_lsm6dsx: fix decimation factor estimation
  iio: imu: inv_mpu6050: fix temperature reporting using bad unit
  iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
  ...
2019-12-14 12:43:57 -08:00
Linus Torvalds
81c64b0bd0 overlayfs fixes for 5.5-rc2
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Merge tag 'ovl-fixes-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

Pull overlayfs fixes from Miklos Szeredi:
 "Fix some bugs and documentation"

* tag 'ovl-fixes-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  docs: filesystems: overlayfs: Fix restview warnings
  docs: filesystems: overlayfs: Rename overlayfs.txt to .rst
  ovl: relax WARN_ON() on rename to self
  ovl: fix corner case of non-unique st_dev;st_ino
  ovl: don't use a temp buf for encoding real fh
  ovl: make sure that real fid is 32bit aligned in memory
  ovl: fix lookup failure on multi lower squashfs
2019-12-14 11:13:54 -08:00
Linus Torvalds
1482e664fe Devicetree fixes for v5.5:
- Fix for dependency tracking caused by unittest interaction
 
 - Fix some schema errors in Tegra memory controller schema
 
 - Update Maxime Ripard's email address
 
 - Review fixes to TI cpsw-switch
 
 - Add wakeup-source prop for STM32 rproc. Got dropped in the schema
   conversion.
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Merge tag 'devicetree-fixes-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:

 - Fix for dependency tracking caused by unittest interaction

 - Fix some schema errors in Tegra memory controller schema

 - Update Maxime Ripard's email address

 - Review fixes to TI cpsw-switch

 - Add wakeup-source prop for STM32 rproc. Got dropped in the schema
   conversion.

* tag 'devicetree-fixes-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of/platform: Unconditionally pause/resume sync state during kernel init
  dt-bindings: memory-controllers: tegra: Fix type references
  dt-bindings: Change maintainer address
  dt-bindings: net: ti: cpsw-switch: update to fix comments
  dt-bindings: remoteproc: stm32: add wakeup-source property
2019-12-13 15:03:25 -08:00
Linus Torvalds
15da849c91 - Fix DM multipath by restoring full path selector functionality for
bio-based configurations that don't haave a SCSI device handler.
 
 - Fix dm-btree removal to ensure non-root btree nodes have at least
   (max_entries / 3) entries.  This resolves userspace thin_check
   utility's report of "too few entries in btree_node".
 
 - Fix both the DM thin-provisioning and dm-clone targets to properly
   flush the data device prior to metadata commit.  This resolves the
   potential for inconsistency across a power loss event when the data
   device has a volatile writeback cache.
 
 - Small documentation fixes to dm-clone and dm-integrity.
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Merge tag 'for-5.5/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix DM multipath by restoring full path selector functionality for
   bio-based configurations that don't haave a SCSI device handler.

 - Fix dm-btree removal to ensure non-root btree nodes have at least
   (max_entries / 3) entries. This resolves userspace thin_check
   utility's report of "too few entries in btree_node".

 - Fix both the DM thin-provisioning and dm-clone targets to properly
   flush the data device prior to metadata commit. This resolves the
   potential for inconsistency across a power loss event when the data
   device has a volatile writeback cache.

 - Small documentation fixes to dm-clone and dm-integrity.

* tag 'for-5.5/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  docs: dm-integrity: remove reference to ARC4
  dm thin: Flush data device before committing metadata
  dm thin metadata: Add support for a pre-commit callback
  dm clone: Flush destination device before committing metadata
  dm clone metadata: Use a two phase commit
  dm clone metadata: Track exact changes per transaction
  dm btree: increase rebalance threshold in __rebalance2()
  dm: add dm-clone to the documentation index
  dm mpath: remove harmful bio-based optimization
2019-12-13 14:13:15 -08:00
Linus Torvalds
22ff311af9 treewide conversion from FIELD_SIZEOF() to sizeof_field()
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Merge tag 'sizeof_field-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull FIELD_SIZEOF conversion from Kees Cook:
 "A mostly mechanical treewide conversion from FIELD_SIZEOF() to
  sizeof_field(). This avoids the redundancy of having 2 macros
  (actually 3) doing the same thing, and consolidates on sizeof_field().
  While "field" is not an accurate name, it is the common name used in
  the kernel, and doesn't result in any unintended innuendo.

  As there are still users of FIELD_SIZEOF() in -next, I will clean up
  those during this coming development cycle and send the final old
  macro removal patch at that time"

* tag 'sizeof_field-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  treewide: Use sizeof_field() macro
  MIPS: OCTEON: Replace SIZEOF_FIELD() macro
2019-12-13 14:02:12 -08:00
Rob Herring
70c812106c dt-bindings: memory-controllers: tegra: Fix type references
Json-schema requires a $ref to be under an 'allOf' if there are
additional constraints otherwise the additional constraints are
ignored. (Note that this behavior will be changed in draft8.)

Fixes: 641262f5e1 ("dt-bindings: memory: Add binding for NVIDIA Tegra30 External Memory Controller")
Fixes: 785685b7a1 ("dt-bindings: memory: Add binding for NVIDIA Tegra30 Memory Controller")
Fixes: 8da65c377b ("dt-bindings: memory: tegra30: Convert to Tegra124 YAML")
Cc: Thierry Reding <treding@nvidia.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-12 18:38:10 -06:00
Maxime Ripard
5c7404bb30 dt-bindings: Change maintainer address
While my email address has changed for a while, all the schemas I
contributed still have the old one unfortunately. Update it.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-12 18:38:10 -06:00
Randy Dunlap
99528efd19 xfs: fix Sphinx documentation warning
Fix Sphinx documentation format warning by not indenting so much.

Documentation/admin-guide/xfs.rst:257: WARNING: Block quote ends without a blank line; unexpected unindent.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: linux-xfs@vger.kernel.org
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2019-12-11 13:18:37 -08:00
Linus Torvalds
687dec9b94 Changes since last update:
- Fix improper return value of listxattr() with no xattr;
 
 - Keep up documentation with latest code.
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Merge tag 'erofs-for-5.5-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs fixes from Gao Xiang:
 "Mainly address a regression reported by David recently observed
  together with overlayfs due to the improper return value of
  listxattr() without xattr. Update outdated expressions in document as
  well.

  Summary:

   - Fix improper return value of listxattr() with no xattr

   - Keep up documentation with latest code"

* tag 'erofs-for-5.5-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: update documentation
  erofs: zero out when listxattr is called with no xattr
2019-12-11 12:25:32 -08:00
Michael Ellerman
3a019636e6 selftests: Fix dangling documentation references to kselftest_module.sh
Commit c78fd76f2b ("selftests: Move kselftest_module.sh into
kselftest/") moved kselftest_module.sh but missed updating a few
references to the path in documentation.

Fixes: c78fd76f2b ("selftests: Move kselftest_module.sh into kselftest/")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-11 10:27:01 -07:00
Grygorii Strashko
a2ce3217d3 dt-bindings: net: ti: cpsw-switch: update to fix comments
After original patch was merged there were additional comments/requests
provided by Rob Herring [1]. Mostly they are related to json-schema usage,
and this patch fixes them. Also SPDX-License-Identifier has been changed to
(GPL-2.0-only OR BSD-2-Clause) as requested.

[1] https://lkml.org/lkml/2019/11/21/875
Fixes: ef63fe72f6 ("dt-bindings: net: ti: add new cpsw switch driver bindings")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
[robh: Remove 2 more maxItems that aren't necessary]
Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-11 09:07:28 -06:00
Arnaud Pouliquen
71bbcd2eaf dt-bindings: remoteproc: stm32: add wakeup-source property
If the optional wdg interrupt is defined, then this property
may be defined.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-11 08:53:03 -06:00
Eric Biggers
7fc979f820 docs: dm-integrity: remove reference to ARC4
ARC4 is no longer considered secure, so it shouldn't be used, even as
just an example.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2019-12-10 10:02:43 -05:00
Amir Goldstein
35c6cb4168 docs: filesystems: overlayfs: Fix restview warnings
Fix only the obvious problems

[SzM: add SPDX license line]

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2019-12-10 16:00:55 +01:00
Amir Goldstein
5356ab0644 docs: filesystems: overlayfs: Rename overlayfs.txt to .rst
It is already formatted as RST.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2019-12-10 16:00:55 +01:00
Florian Fainelli
392a9f6305 dt-bindings: reset: Fix brcmstb-reset example
The reset controller has a #reset-cells value of 1, so we should see a
phandle plus a register identifier, fix the example.

Fixes: 0807caf647 ("dt-bindings: reset: Add document for Broadcom STB reset controller")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2019-12-10 11:43:37 +01:00
Paul Menzel
a2bdd0c904 scsi: smartpqi: Update attribute name to driver_version
The file name in the documentation is currently incorrect, so fix it.

Link: https://lore.kernel.org/r/fe264d62-0371-ea59-b66a-6d855290ce65@molgen.mpg.de
Fixes: 6d90615f13 ("scsi: smartpqi: add sysfs entries")
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-12-09 19:17:36 -05:00
Pankaj Bharadiya
c593642c8b treewide: Use sizeof_field() macro
Replace all the occurrences of FIELD_SIZEOF() with sizeof_field() except
at places where these are defined. Later patches will remove the unused
definition of FIELD_SIZEOF().

This patch is generated using following script:

EXCLUDE_FILES="include/linux/stddef.h|include/linux/kernel.h"

git grep -l -e "\bFIELD_SIZEOF\b" | while read file;
do

	if [[ "$file" =~ $EXCLUDE_FILES ]]; then
		continue
	fi
	sed -i  -e 's/\bFIELD_SIZEOF\b/sizeof_field/g' $file;
done

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Link: https://lore.kernel.org/r/20190924105839.110713-3-pankaj.laxminarayan.bharadiya@intel.com
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: David Miller <davem@davemloft.net> # for net
2019-12-09 10:36:44 -08:00
Brendan Higgins
99e51aa8f7 Documentation: kunit: add documentation for kunit_tool
Add documentation for the Python script used to build, run, and collect
results from the kernel known as kunit_tool. kunit_tool
(tools/testing/kunit/kunit.py) was already added in previous commits.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09 11:22:01 -07:00
Brendan Higgins
e7d7ad0e41 Documentation: kunit: fix typos and gramatical errors
Fix typos and gramatical errors in the Getting Started and Usage guide
for KUnit.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patchwork.kernel.org/patch/11156481/
Reported-by: Rinat Ibragimov <ibragimovrinat@mail.ru>
Link: https://github.com/google/kunit-docs/issues/1
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2019-12-09 11:21:22 -07:00
David S. Miller
43aad8104b linux-can-fixes-for-5.5-20191208
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Merge tag 'linux-can-fixes-for-5.5-20191208' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2019-12-08

this is a pull request of 13 patches for net/master.

The first two patches are by Dan Murphy. He adds himself as a maintainer to the
m-can MMIO and tcan SPI driver.

The next two patches the j1939 stack. The first one is by Oleksij Rempel and
fixes a locking problem found by the syzbot, the second one is by me an fixes a
mistake in the documentation.

Srinivas Neeli fixes missing RX CAN packets on CANFD2.0 in the xilinx driver.

Sean Nyekjaer fixes a possible deadlock in the the flexcan driver after
suspend/resume. Joakim Zhang contributes two patches for the flexcan driver
that fix problems with the low power enter/exit.

The next 4 patches all target the tcan part of the m_can driver. Sean Nyekjaer
adds the required delay after reset and fixes the device tree binding example.
Dan Murphy's patches make the wake-gpio optional.

In the last patch Xiaolong Huang fixes several kernel memory info leaks to the
USB device in the kvaser_usb_leaf driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-09 09:27:47 -08:00
Greg Kroah-Hartman
7347f09a19 First set of fixes for IIO in the 5.5 cycle.
Mixture of old things people have just hit, and a few late breaking
 issues with things that went in during the merge window.
 
 Being sent promptly to resolve potential DT breakage causing
 issues for binding test builds.
 
 * ad7606
   - Avoid reading extra data from the device over what was intended.
 * ad7124
   - Enable the internal reference when in use.
 * ad7292
   - Fix up license for newly added binding.  Better to not have this go
     out in a release with more limited header than intended.
   - Fix a constraint on number of channels.
 * ad7949
   - Fix an issue which can result in readouts being from the wrong channel.
 * hdc100x
   - Fix wrong ABI usage (units) for relative humidity channel.
 * intel mrfld
   - Allocate right amount of private data (currently allocating too much).
 * ltc2983
   - Avoid a potential issue with machine endianness and wrong length device
     tree read.
 * max1027
   - Clean up leak of an iio_trigger on probe failure.
 * max9611
   - Ensure we sleep long enough to successfully initialize the sensor.
 * mpu6050
   - Fix wrong ABI usage (units) for temperature channel.
 * st_accel
   - Fix an unused variable warning.
 * st_lsm6dsx
   - Fix decimation factor issue that can lead to missaligned datasets
     (and hence garbage)
   - Fix an issue with how we track enabled fifo channels.
   - Avoid powering off the device if wake up events are enabled.
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Merge tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of fixes for IIO in the 5.5 cycle.

Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.

Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.

* ad7606
  - Avoid reading extra data from the device over what was intended.
* ad7124
  - Enable the internal reference when in use.
* ad7292
  - Fix up license for newly added binding.  Better to not have this go
    out in a release with more limited header than intended.
  - Fix a constraint on number of channels.
* ad7949
  - Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
  - Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
  - Allocate right amount of private data (currently allocating too much).
* ltc2983
  - Avoid a potential issue with machine endianness and wrong length device
    tree read.
* max1027
  - Clean up leak of an iio_trigger on probe failure.
* max9611
  - Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
  - Fix wrong ABI usage (units) for temperature channel.
* st_accel
  - Fix an unused variable warning.
* st_lsm6dsx
  - Fix decimation factor issue that can lead to missaligned datasets
    (and hence garbage)
  - Fix an issue with how we track enabled fifo channels.
  - Avoid powering off the device if wake up events are enabled.

* tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: adc: max9611: Fix too short conversion time delay
  iio: ad7949: fix channels mixups
  iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
  iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
  iio: imu: st_lsm6dsx: fix decimation factor estimation
  iio: imu: inv_mpu6050: fix temperature reporting using bad unit
  iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
  iio: adc: max1027: fix not unregistered iio trigger
  iio: adc: intel_mrfld_adc: Allocating too much data in probe()
  iio: adc: ad7124: Enable internal reference
  dt-bindings: iio: adc: ad7292: fix constraint over channel quantity
  dt-bindings: iio: adc: ad7292: Update SPDX identifier
  iio: temperature: ltc2983: fix u32 read into a unsigned long long
  iio: st_accel: Fix unused variable warning
  iio: adc: ad7606: fix reading unnecessary data from device
2019-12-09 09:27:52 +01:00
Marcelo Schmitt
ada971cbdc dt-bindings: iio: adc: ad7292: fix constraint over channel quantity
Change items property of AD7292 channels to correctly constrain their
quantity.

Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-08 18:10:28 +00:00
Marcelo Schmitt
dd587a7f0a dt-bindings: iio: adc: ad7292: Update SPDX identifier
Update SPDX identifier to the preferred dual GPL-2.0 OR BSD-2-Clause
licensing.

Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-08 18:10:28 +00:00
Gao Xiang
ffafde4783 erofs: update documentation
Some on-disk structures, fields have been renamed in v5.4,
the corresponding document should be updated as well.

Also fix misrespresentation of file time and words about
fixed-sized output compression, data inline, etc.

Link: https://lore.kernel.org/r/20191207025509.6614-1-hsiangkao@aol.com/
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
2019-12-08 21:37:01 +08:00
Dan Murphy
1202d2318e dt-bindings: tcan4x5x: Make wake-gpio an optional gpio
The wake-up of the device can be configured as an optional feature of
the device. Move the wake-up gpio from a requried property to an
optional property.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Cc: Rob Herring <robh@kernel.org>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-12-08 12:22:01 +01:00
Sean Nyekjaer
9c9e1b012a dt-bindings: can: tcan4x5x: reset pin is active high
Change the reset pin example to active high to be in line with
the datasheet

Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-12-08 12:22:01 +01:00
Marc Kleine-Budde
8ac9d71d60 can: j1939: fix address claim code example
During development the define J1939_PGN_ADDRESS_REQUEST was renamed to
J1939_PGN_REQUEST. It was forgotten to adjust the documentation
accordingly.

This patch fixes the name of the symbol.

Reported-by: https://github.com/linux-can/can-utils/issues/159#issuecomment-556538798
Fixes: 9d71dd0c70 ("can: add support of SAE J1939 protocol")
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2019-12-08 11:52:02 +01:00
Linus Torvalds
43a2898631 powerpc updates for 5.5 #2
A few commits splitting the KASAN instrumented bitops header in
 three, to match the split of the asm-generic bitops headers.
 
 This is needed on powerpc because we use asm-generic/bitops/non-atomic.h,
 for the non-atomic bitops, whereas the existing KASAN instrumented
 bitops assume all the underlying operations are provided by the arch
 as arch_foo() versions.
 
 Thanks to:
   Daniel Axtens & Christophe Leroy.
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Merge tag 'powerpc-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "A few commits splitting the KASAN instrumented bitops header in three,
  to match the split of the asm-generic bitops headers.

  This is needed on powerpc because we use the generic bitops for the
  non-atomic case only, whereas the existing KASAN instrumented bitops
  assume all the underlying operations are provided by the arch as
  arch_foo() versions.

  Thanks to: Daniel Axtens & Christophe Leroy"

* tag 'powerpc-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  docs/core-api: Remove possibly confusing sub-headings from Bit Operations
  powerpc: support KASAN instrumentation of bitops
  kasan: support instrumented bitops combined with generic bitops
2019-12-06 13:36:31 -08:00
Linus Torvalds
7ada90eb9c drm msm + fixes for 5.5-rc1
msm-next:
 - OCMEM support for a3xx and a4xx GPUs.
 - a510 support + display support
 
 core:
 - mst payload deletion fix
 
 i915:
 - uapi alignment fix
 - fix for power usage regression due to security fixes
 - change default preemption timeout to 640ms from 100ms
 - EHL voltage level display fixes
 - TGL DGL PHY fix
 - gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning
 - CI spotted deadlock fix
 - EHL port D programming fix
 
 amdgpu:
 - VRAM lost fixes on BACO for CI/VI
 - navi14 DC fixes
 - misc SR-IOV, gfx10 fixes
 - XGMI fixes for arcturus
 - SRIOV fixes
 
 amdkfd:
 - KFD on ppc64le enabled
 - page table optimisations
 
 radeon:
 - fix for r1xx/2xx register checker.
 
 tegra:
 - displayport regression fixes
 - DMA API regression fixes
 
 mgag200:
 - fix devices that can't scanout except at 0 addr
 
 omap:
 - fix dma_addr refcounting
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Merge tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm

Pull more drm updates from Dave Airlie:
 "Rob pointed out I missed his pull request for msm-next, it's been in
  next for a while outside of my tree so shouldn't cause any unexpected
  issues, it has some OCMEM support in drivers/soc that is acked by
  other maintainers as it's outside my tree.

  Otherwise it's a usual fixes pull, i915, amdgpu, the main ones, with
  some tegra, omap, mgag200 and one core fix.

  Summary:

  msm-next:
   - OCMEM support for a3xx and a4xx GPUs.
   - a510 support + display support

  core:
   - mst payload deletion fix

  i915:
   - uapi alignment fix
   - fix for power usage regression due to security fixes
   - change default preemption timeout to 640ms from 100ms
   - EHL voltage level display fixes
   - TGL DGL PHY fix
   - gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning
   - CI spotted deadlock fix
   - EHL port D programming fix

  amdgpu:
   - VRAM lost fixes on BACO for CI/VI
   - navi14 DC fixes
   - misc SR-IOV, gfx10 fixes
   - XGMI fixes for arcturus
   - SRIOV fixes

  amdkfd:
   - KFD on ppc64le enabled
   - page table optimisations

  radeon:
   - fix for r1xx/2xx register checker.

  tegra:
   - displayport regression fixes
   - DMA API regression fixes

  mgag200:
   - fix devices that can't scanout except at 0 addr

  omap:
   - fix dma_addr refcounting"

* tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm: (100 commits)
  drm/dp_mst: Correct the bug in drm_dp_update_payload_part1()
  drm/omap: fix dma_addr refcounting
  drm/tegra: Run hub cleanup on ->remove()
  drm/tegra: sor: Make the +5V HDMI supply optional
  drm/tegra: Silence expected errors on IOMMU attach
  drm/tegra: vic: Export module device table
  drm/tegra: sor: Implement system suspend/resume
  drm/tegra: Use proper IOVA address for cursor image
  drm/tegra: gem: Remove premature import restrictions
  drm/tegra: gem: Properly pin imported buffers
  drm/tegra: hub: Remove bogus connection mutex check
  ia64: agp: Replace empty define with do while
  agp: Add bridge parameter documentation
  agp: remove unused variable num_segments
  agp: move AGPGART_MINOR to include/linux/miscdevice.h
  agp: remove unused variable size in agp_generic_create_gatt_table
  drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n
  drm/radeon: fix r1xx/r2xx register checker for POT textures
  drm/amdgpu: fix GFX10 missing CSIB set(v3)
  drm/amdgpu: should stop GFX ring in hw_fini
  ...
2019-12-06 10:28:09 -08:00
Linus Torvalds
eb275167d1 ARM: Device-tree updates
As always, the bulk of updates. Some of the news this cycle:
 
 New SoC descriptions:
  - Broadcom BCM2711
  - Amlogic Meson A1 and G12
  - Freescale S32V234
  - Marvell Armada AP807/AP807-quad and CP115
  - Realtek RTD1293 and RTD1296
  - Rockchip RK3308
 
 New boards and platforms:
  - Allwinner: NanoPi Duo2
  - Amlogic: Ugoos am6
  - Atmel at91: Overkiz Kizbox2/4
  - Broadcom: RPi4, Luxul XWC-2000
  - Marvell: New Espressobin flavor
  - NXP: i.MX8MN LPDDR4 EVK, i.MX8QXP Colibri, S32V234 EVB, Netronix
    E60K02 and Kobo Clara HD, Kontron N6311 and N6411, OPOS6UL and
    OPOS6ULDev
  - Renesas: Salvator-XS
  - Rockchip: Beelink A1 (rk3308), rk3308 eval boards, rk3399-roc-pc
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM Device-tree updates from Olof Johansson:
 "As always, the bulk of updates.  Some of the news this cycle:

  New SoC descriptions:
   - Broadcom BCM2711
   - Amlogic Meson A1 and G12
   - Freescale S32V234
   - Marvell Armada AP807/AP807-quad and CP115
   - Realtek RTD1293 and RTD1296
   - Rockchip RK3308

  New boards and platforms:
   - Allwinner: NanoPi Duo2
   - Amlogic: Ugoos am6
   - Atmel at91: Overkiz Kizbox2/4
   - Broadcom: RPi4, Luxul XWC-2000
   - Marvell: New Espressobin flavor
   - NXP: i.MX8MN LPDDR4 EVK, i.MX8QXP Colibri, S32V234 EVB, Netronix
     E60K02 and Kobo Clara HD, Kontron N6311 and N6411, OPOS6UL and
     OPOS6ULDev
   - Renesas: Salvator-XS
   - Rockchip: Beelink A1 (rk3308), rk3308 eval boards, rk3399-roc-pc"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (653 commits)
  ARM: dts: logicpd-torpedo: Disable USB Host
  arm: dts: mt6323: add keys, power-controller, rtc and codec
  arm64: dts: mt8183: add systimer0 device node
  dt-bindings: mediatek: update bindings for MT8183 systimer
  arm64: dts: rockchip: fix sdmmc detection on boot on rk3328-roc-cc
  arm64: dts: rockchip: Split rk3399-roc-pc for with and without mezzanine board.
  arm64: dts: rockchip: Add Beelink A1
  dt-bindings: ARM: rockchip: Add Beelink A1
  arm64: dts: rockchip: Add RK3328 audio pipelines
  arm64: dts: ti: k3-j721e-common-proc-board: Add USB ports
  arm64: dts: ti: k3-j721e-main: add USB controller nodes
  ARM: dts: aspeed-g6: Add timer description
  ARM: dts: aspeed: ast2600evb: Enable i2c buses
  ARM: dts: at91: add a dts and dtsi file for kizbox2 based boards
  dt-bindings: arm: at91: Document Kizbox2-2 board binding
  arm64: dts: meson-gx: fix i2c compatible
  arm64: dts: meson-gx: cec node should be disabled by default
  arm64: dts: meson-g12b-odroid-n2: add missing amlogic, s922x compatible
  arm64: dts: meson-gxm: fix gpu irq order
  arm64: dts: meson-g12a: fix gpu irq order
  ...
2019-12-05 12:09:47 -08:00
Linus Torvalds
ec939e4c94 ARM: SoC-related driver updates
Various driver updates for platforms:
 
  - A larger set of work on Tegra 2/3 around memory controller and
  regulator features, some fuse cleanups, etc..
 
  - MMP platform drivers, in particular for USB PHY, and other smaller
  additions.
 
  - Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
  and ASV (adaptive voltage), allowing the platform to run at more
  optimal operating points.
 
  - Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
 
  - Clock/reset control driver for TI/OMAP
 
  - Meson-A1 reset controller support
 
  - Qualcomm sdm845 and sda845 SoC IDs for socinfo
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Olof Johansson:
 "Various driver updates for platforms:

   - A larger set of work on Tegra 2/3 around memory controller and
     regulator features, some fuse cleanups, etc..

   - MMP platform drivers, in particular for USB PHY, and other smaller
     additions.

   - Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
     and ASV (adaptive voltage), allowing the platform to run at more
     optimal operating points.

   - Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas

   - Clock/reset control driver for TI/OMAP

   - Meson-A1 reset controller support

   - Qualcomm sdm845 and sda845 SoC IDs for socinfo"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (150 commits)
  firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
  soc: fsl: add RCPM driver
  dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
  memory: tegra: Consolidate registers definition into common header
  memory: tegra: Ensure timing control debug features are disabled
  memory: tegra: Introduce Tegra30 EMC driver
  memory: tegra: Do not handle error from wait_for_completion_timeout()
  memory: tegra: Increase handshake timeout on Tegra20
  memory: tegra: Print a brief info message about EMC timings
  memory: tegra: Pre-configure debug register on Tegra20
  memory: tegra: Include io.h instead of iopoll.h
  memory: tegra: Adapt for Tegra20 clock driver changes
  memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
  memory: tegra: Add gr2d and gr3d to DRM IOMMU group
  memory: tegra: Set DMA mask based on supported address bits
  soc: at91: Add Atmel SFR SN (Serial Number) support
  memory: atmel-ebi: switch to SPDX license identifiers
  memory: atmel-ebi: move NUM_CS definition inside EBI driver
  soc: mediatek: Refactor bus protection control
  soc: mediatek: Refactor sram control
  ...
2019-12-05 11:43:31 -08:00
Linus Torvalds
d9e48dc2a7 pwm: Changes for v5.5-rc1
Various changes and minor fixes across a couple of drivers.
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Merge tag 'pwm/for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "Various changes and minor fixes across a couple of drivers"

* tag 'pwm/for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: stm32: Pass breakinput instead of its values
  pwm: stm32: Remove clutter from ternary operator
  pwm: stm32: Validate breakinput data from DT
  pwm: Update comment on struct pwm_ops::apply
  pwm: sun4i: Fix incorrect calculation of duty_cycle/period
  pwm: stm32: Add power management support
  pwm: stm32: Split breakinput apply routine to ease PM support
  dt-bindings: pwm-stm32: Document pinctrl sleep state
  pwm: sun4i: Drop redundant assignment to variable pval
  dt-bindings: pwm: mediatek: Remove gratuitous compatible string for MT7629
2019-12-05 11:28:14 -08:00
Linus Torvalds
fb3da48a86 Merge branch 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal management updates from Zhang Rui:

 - Fix a deadlock regression in thermal core framework, which was
   introduced in 5.3 (Wei Wang)

 - Initialize thermal control framework earlier to enable thermal
   mitigation during boot (Amit Kucheria)

 - Convert the Intelligent Power Allocator (IPA) thermal governor to
   follow the generic PM_EM instead of its own Energy Model (Quentin
   Perret)

 - Introduce a new Amlogic soc thermal driver (Guillaume La Roque)

 - Add interrupt support for tsens thermal driver (Amit Kucheria)

 - Add support for MSM8956/8976 in tsens thermal driver
   (AngeloGioacchino Del Regno)

 - Add support for r8a774b1 in rcar thermal driver (Biju Das)

 - Add support for Thermal Monitor Unit v2 in qoriq thermal driver
   (Yuantian Tang)

 - Some other fixes/cleanups on thermal core framework and soc thermal
   drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)

* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
  thermal: Fix deadlock in thermal thermal_zone_device_check
  thermal: cpu_cooling: Migrate to using the EM framework
  thermal: cpu_cooling: Make the power-related code depend on IPA
  PM / EM: Declare EM data types unconditionally
  arm64: defconfig: Enable CONFIG_ENERGY_MODEL
  drivers: thermal: tsens: fix potential integer overflow on multiply
  thermal: cpu_cooling: Reorder the header file
  thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
  thermal: no need to set .owner when using module_platform_driver
  thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
  cpufreq: qcom-hw: Move driver initialization earlier
  clk: qcom: Initialize clock drivers earlier
  cpufreq: Initialize cpufreq-dt driver earlier
  cpufreq: Initialize the governors in core_initcall
  thermal: Initialize thermal subsystem earlier
  thermal: Remove netlink support
  dt: thermal: tsens: Document compatible for MSM8976/56
  thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
  MAINTAINERS: add entry for Amlogic Thermal driver
  thermal: amlogic: Add thermal driver to support G12 SoCs
  ...
2019-12-05 11:21:24 -08:00
Linus Torvalds
5ecc9d15f7 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "Most of the rest of MM and various other things. Some Kconfig rework
  still awaits merges of dependent trees from linux-next.

  Subsystems affected by this patch series: mm/hotfixes, mm/memcg,
  mm/vmstat, mm/thp, procfs, sysctl, misc, notifiers, core-kernel,
  bitops, lib, checkpatch, epoll, binfmt, init, rapidio, uaccess, kcov,
  ubsan, ipc, bitmap, mm/pagemap"

* akpm: (86 commits)
  mm: remove __ARCH_HAS_4LEVEL_HACK and include/asm-generic/4level-fixup.h
  um: add support for folded p4d page tables
  um: remove unused pxx_offset_proc() and addr_pte() functions
  sparc32: use pgtable-nopud instead of 4level-fixup
  parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup
  parisc: use pgtable-nopXd instead of 4level-fixup
  nds32: use pgtable-nopmd instead of 4level-fixup
  microblaze: use pgtable-nopmd instead of 4level-fixup
  m68k: mm: use pgtable-nopXd instead of 4level-fixup
  m68k: nommu: use pgtable-nopud instead of 4level-fixup
  c6x: use pgtable-nopud instead of 4level-fixup
  arm: nommu: use pgtable-nopud instead of 4level-fixup
  alpha: use pgtable-nopud instead of 4level-fixup
  gpio: pca953x: tighten up indentation
  gpio: pca953x: convert to use bitmap API
  gpio: pca953x: use input from regs structure in pca953x_irq_pending()
  gpio: pca953x: remove redundant variable and check in IRQ handler
  lib/bitmap: introduce bitmap_replace() helper
  lib/test_bitmap: fix comment about this file
  lib/test_bitmap: move exp1 and exp2 upper for others to use
  ...
2019-12-05 09:46:26 -08:00
Andrey Konovalov
eec028c938 kcov: remote coverage support
Patch series " kcov: collect coverage from usb and vhost", v3.

This patchset extends kcov to allow collecting coverage from backgound
kernel threads.  This extension requires custom annotations for each of
the places where coverage collection is desired.  This patchset
implements this for hub events in the USB subsystem and for vhost
workers.  See the first patch description for details about the kcov
extension.  The other two patches apply this kcov extension to USB and
vhost.

Examples of other subsystems that might potentially benefit from this
when custom annotations are added (the list is based on
process_one_work() callers for bugs recently reported by syzbot):

1. fs: writeback wb_workfn() worker,
2. net: addrconf_dad_work()/addrconf_verify_work() workers,
3. net: neigh_periodic_work() worker,
4. net/p9: p9_write_work()/p9_read_work() workers,
5. block: blk_mq_run_work_fn() worker.

These patches have been used to enable coverage-guided USB fuzzing with
syzkaller for the last few years, see the details here:

  https://github.com/google/syzkaller/blob/master/docs/linux/external_fuzzing_usb.md

This patchset has been pushed to the public Linux kernel Gerrit
instance:

  https://linux-review.googlesource.com/c/linux/kernel/git/torvalds/linux/+/1524

This patch (of 3):

Add background thread coverage collection ability to kcov.

With KCOV_ENABLE coverage is collected only for syscalls that are issued
from the current process.  With KCOV_REMOTE_ENABLE it's possible to
collect coverage for arbitrary parts of the kernel code, provided that
those parts are annotated with kcov_remote_start()/kcov_remote_stop().

This allows to collect coverage from two types of kernel background
threads: the global ones, that are spawned during kernel boot in a
limited number of instances (e.g.  one USB hub_event() worker thread is
spawned per USB HCD); and the local ones, that are spawned when a user
interacts with some kernel interface (e.g.  vhost workers).

To enable collecting coverage from a global background thread, a unique
global handle must be assigned and passed to the corresponding
kcov_remote_start() call.  Then a userspace process can pass a list of
such handles to the KCOV_REMOTE_ENABLE ioctl in the handles array field
of the kcov_remote_arg struct.  This will attach the used kcov device to
the code sections, that are referenced by those handles.

Since there might be many local background threads spawned from
different userspace processes, we can't use a single global handle per
annotation.  Instead, the userspace process passes a non-zero handle
through the common_handle field of the kcov_remote_arg struct.  This
common handle gets saved to the kcov_handle field in the current
task_struct and needs to be passed to the newly spawned threads via
custom annotations.  Those threads should in turn be annotated with
kcov_remote_start()/kcov_remote_stop().

Internally kcov stores handles as u64 integers.  The top byte of a
handle is used to denote the id of a subsystem that this handle belongs
to, and the lower 4 bytes are used to denote the id of a thread instance
within that subsystem.  A reserved value 0 is used as a subsystem id for
common handles as they don't belong to a particular subsystem.  The
bytes 4-7 are currently reserved and must be zero.  In the future the
number of bytes used for the subsystem or handle ids might be increased.

When a particular userspace process collects coverage by via a common
handle, kcov will collect coverage for each code section that is
annotated to use the common handle obtained as kcov_handle from the
current task_struct.  However non common handles allow to collect
coverage selectively from different subsystems.

Link: http://lkml.kernel.org/r/e90e315426a384207edbec1d6aa89e43008e4caf.1572366574.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: David Windsor <dwindsor@gmail.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-04 19:44:14 -08:00