openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
931,646 Commits 18 Branches 27 Tags 3.4 GiB
Commit Graph

931646 Commits

Author SHA1 Message Date
Denis Efremov e4a42c82e9 kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables 
Redefine GZIP, BZIP2, LZOP variables as KGZIP, KBZIP2, KLZOP resp.
GZIP, BZIP2, LZOP env variables are reserved by the tools. The original
attempt to redefine them internally doesn't work in makefiles/scripts
intercall scenarios, e.g., "make GZIP=gzip bindeb-pkg" and results in
broken builds. There can be other broken build commands because of this,
so the universal solution is to use non-reserved env variables for the
compression tools.

Fixes: 8dfb61dcba ("kbuild: add variables for compression tools")
Signed-off-by: Denis Efremov <efremov@linux.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2020-06-11 20:14:41 +09:00
Masahiro Yamada fca5e94921 samples: binderfs: really compile this sample and fix build issues 
Even after commit c624adc9cb ("samples: fix binderfs sample"), this
sample is never compiled.

'hostprogs' teaches Kbuild that this is a host program, but not enough
to order to compile it. You must add it to 'always-y' to really compile
it.

Since this sample has never been compiled in upstream, various issues
are left unnoticed.

[1] compilers without <linux/android/binderfs.h> are still widely used

<linux/android/binderfs.h> is only available since commit c13295ad21
("binderfs: rename header to binderfs.h"), i.e., Linux 5.0

If your compiler is based on UAPI headers older than Linux 5.0, you
will see the following error:

  samples/binderfs/binderfs_example.c:16:10: fatal error: linux/android/binderfs.h: No such file or directory
   #include <linux/android/binderfs.h>
            ^~~~~~~~~~~~~~~~~~~~~~~~~~
  compilation terminated.

You cannot rely on compilers having such a new header.

The common approach is to install UAPI headers of this kernel into
usr/include, and then add it to the header search path.

I added 'depends on HEADERS_INSTALL' in Kconfig, and '-I usr/include'
compiler flag in Makefile.

[2] compile the sample for target architecture

Because headers_install works for the target architecture, only the
native compiler was able to build sample code that requires
'-I usr/include'.

Commit 7f3a59db27 ("kbuild: add infrastructure to build userspace
programs") added the new syntax 'userprogs' to compile user-space
programs for the target architecture.

Use it, and then 'ifndef CROSS_COMPILE' will go away.

I added 'depends on CC_CAN_LINK' because $(CC) is not necessarily
capable of linking user-space programs.

[3] use subdir-y to descend into samples/binderfs

Since this directory does not contain any kernel-space code, it has no
point in generating built-in.a or modules.order.

Replace obj-$(CONFIG_...) with subdir-$(CONFIG_...).

[4] -Wunused-variable warning

If I compile this, I see the following warning.

  samples/binderfs/binderfs_example.c: In function 'main':
  samples/binderfs/binderfs_example.c:21:9: warning: unused variable 'len' [-Wunused-variable]
     21 |  size_t len;
        |         ^~~

I removed the unused 'len'.

[5] CONFIG_ANDROID_BINDERFS is not required

Since this is a user-space standalone program, it is independent of
the kernel configuration.

Remove 'depends on ANDROID_BINDERFS'.

Fixes: 9762dc1432 ("samples: add binderfs sample program")
Fixes: c624adc9cb ("samples: fix binderfs sample")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
 2020-06-11 20:14:41 +09:00
Linus Torvalds b29482fde6 Merge branch 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull epoll update from Al Viro:
 "epoll conversion to read_iter from Jens; I thought there might be more
  epoll stuff this cycle, but uaccess took too much time"

* 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  eventfd: convert to f_op->read_iter()
 2020-06-10 18:09:13 -07:00
Linus Torvalds 4dbb29fe9d Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull vfs fixes from Al Viro:
 "A couple of trivial patches that fell through the cracks last cycle"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: fix indentation in deactivate_super()
  vfs: Remove duplicated d_mountpoint check in __is_local_mountpoint
 2020-06-10 16:09:11 -07:00
Linus Torvalds 1c38372662 Merge branch 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull sysctl fixes from Al Viro:
 "Fixups to regressions in sysctl series"

* 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  sysctl: reject gigantic reads/write to sysctl files
  cdrom: fix an incorrect __user annotation on cdrom_sysctl_info
  trace: fix an incorrect __user annotation on stack_trace_sysctl
  random: fix an incorrect __user annotation on proc_do_entropy
  net/sysctl: remove leftover __user annotations on neigh_proc_dointvec*
  net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl
 2020-06-10 16:05:54 -07:00
Linus Torvalds 3a8557e1ae Merge branch 'uaccess.i915' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull i915 uaccess updates from Al Viro:
 "Low-hanging fruit in i915; there are several trickier followups, but
  that'll wait for the next cycle"

* 'uaccess.i915' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  i915:get_engines(): get rid of pointless access_ok()
  i915: alloc_oa_regs(): get rid of pointless access_ok()
  i915 compat ioctl(): just use drm_ioctl_kernel()
  i915: switch copy_perf_config_registers_or_number() to unsafe_put_user()
  i915: switch query_{topology,engine}_info() to copy_to_user()
 2020-06-10 16:04:27 -07:00
Linus Torvalds 4382a79b27 Merge branch 'uaccess.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc uaccess updates from Al Viro:
 "Assorted uaccess patches for this cycle - the stuff that didn't fit
  into thematic series"

* 'uaccess.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  bpf: make bpf_check_uarg_tail_zero() use check_zeroed_user()
  x86: kvm_hv_set_msr(): use __put_user() instead of 32bit __clear_user()
  user_regset_copyout_zero(): use clear_user()
  TEST_ACCESS_OK _never_ had been checked anywhere
  x86: switch cp_stat64() to unsafe_put_user()
  binfmt_flat: don't use __put_user()
  binfmt_elf_fdpic: don't use __... uaccess primitives
  binfmt_elf: don't bother with __{put,copy_to}_user()
  pselect6() and friends: take handling the combined 6th/7th args into helper
 2020-06-10 16:02:54 -07:00
Linus Torvalds 79ca035d2d Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 
Pull proc fix from Eric Biederman:
 "Syzbot found a NULL pointer dereference if kzalloc of s_fs_info fails"

* 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: s_fs_info may be NULL when proc_kill_sb is called
 2020-06-10 15:00:11 -07:00
Linus Torvalds 4152d146ee Merge branch 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux 
Pull READ/WRITE_ONCE rework from Will Deacon:
 "This the READ_ONCE rework I've been working on for a while, which
  bumps the minimum GCC version and improves code-gen on arm64 when
  stack protector is enabled"

[ Side note: I'm _really_ tempted to raise the minimum gcc version to
  4.9, so that we can just say that we require _Generic() support.

  That would allow us to more cleanly handle a lot of the cases where we
  depend on very complex macros with 'sizeof' or __builtin_choose_expr()
  with __builtin_types_compatible_p() etc.

  This branch has a workaround for sparse not handling _Generic(),
  either, but that was already fixed in the sparse development branch,
  so it's really just gcc-4.9 that we'd require.   - Linus ]

* 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
  compiler_types.h: Use unoptimized __unqual_scalar_typeof for sparse
  compiler_types.h: Optimize __unqual_scalar_typeof compilation time
  compiler.h: Enforce that READ_ONCE_NOCHECK() access size is sizeof(long)
  compiler-types.h: Include naked type in __pick_integer_type() match
  READ_ONCE: Fix comment describing 2x32-bit atomicity
  gcov: Remove old GCC 3.4 support
  arm64: barrier: Use '__unqual_scalar_typeof' for acquire/release macros
  locking/barriers: Use '__unqual_scalar_typeof' for load-acquire macros
  READ_ONCE: Drop pointer qualifiers when reading from scalar types
  READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses
  READ_ONCE: Simplify implementations of {READ,WRITE}_ONCE()
  arm64: csum: Disable KASAN for do_csum()
  fault_inject: Don't rely on "return value" from WRITE_ONCE()
  net: tls: Avoid assigning 'const' pointer to non-const pointer
  netfilter: Avoid assigning 'const' pointer to non-const pointer
  compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
 2020-06-10 14:46:54 -07:00
Andrew Morton 78c24f7bee arch/powerpc/mm/pgtable.c: another missed conversion 
Fixes: e05c7b1f2b ("mm: pgtable: add shortcuts for accessing kernel PMD and PTE")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-10 14:44:46 -07:00
Linus Torvalds 6d62c5b211 A handful of late-arriving docs fixes, along with a patch changing a lot of 
HTTP links to HTTPS that had to be yanked and redone before the first
 pull.
 -----BEGIN PGP SIGNATURE-----
 
 iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAl7hRs0PHGNvcmJldEBs
 d24ubmV0AAoJEBdDWhNsDH5YEE0H/jlTBzV3kkf09nzngka07kUlXTsd5kkQjXNr
 sr0zV4q7o70Hc9mv8r5m5suBFuQ+2rx9Oy2BB4ywOAFIXMkhycCzj/v+tkBLav2s
 +oJ6ytSAnFIoyfChq+ynX2ub0VEE86zxafGaL1xt0SwRt/hSAQWXmfN3m8DorqF3
 bXn2WzKhBxPhjxrRUhzgQVyXnEUbONshFzng7E0OtKMbOw7ftEdh18JdZ2M/KQwH
 DPD+wtmzns/uUUarkC/fmaj8JLD1Bq5X9VTpkz0YU151GX1P4mbMZcWSA8/QHnoS
 B21LMa58itBsQxchN7LvdnkbDj3GIUzDiXsLt9VXMOd+TK4TyhE=
 =mp4N
 -----END PGP SIGNATURE-----

Merge tag 'docs-5.8-2' of git://git.lwn.net/linux

Pull more documentation updates from Jonathan Corbet:
 "A handful of late-arriving docs fixes, along with a patch changing a
  lot of HTTP links to HTTPS that had to be yanked and redone before the
  first pull"

* tag 'docs-5.8-2' of git://git.lwn.net/linux:
  docs/memory-barriers.txt/kokr: smp_mb__{before,after}_atomic(): update Documentation
  Documentation: devres: add missing entry for devm_platform_get_and_ioremap_resource()
  Replace HTTP links with HTTPS ones: documentation
  docs: it_IT: address invalid reference warnings
  doc: zh_CN: use doc reference to resolve undefined label warning
  docs: Update the location of the LF NDA program
  docs: dev-tools: coccinelle: underlines
 2020-06-10 14:12:15 -07:00
Linus Torvalds 6672966d6c More ACPI updates for 5.8-rc1 
Update the ACPICA code in the kernel to upstream revision 20200528
 with the following changes:
 
  - Remove some dead code from the acpidump utility (Bob Moore).
 
  - Add new OperationRegion subtype keyword PlatformRtMechanism
    to the compiler (Erik Kaneda).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl7g/s0SHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxi28QAIIdbzEulb9nQuynVXb2Vdohbu4d2Pm7
 RQJ5Q3gq89RAYkmL8lh7As8RL9B2w1ePaOOWvSDL44JDxCXejW1DZqCKVaRrdtiw
 e03OxKzCz3Xh4f9tOp1vsnxEssPmf19CSXmGeCA1i7Altu0RCxkW5apCv9ld5N5Y
 LA2vdidNDuK5iAgIn1jkZCfb4jRlXyYizOLn9v/zkg6Zjq6zaDsIrEbzI+Bb7ooX
 jnUhU+tG9Q1K+DR5fa9MgG1xV3F/CCfxaePOVVpRQqPWLHhmhJ9ewCkavVIeekz0
 tgnqrVJFqihjlWJLNMXs6NRvN0AznGuCewb3fV1Y6k2TwMcvAEjJ4sht790g0PIC
 WHPo0k1EF+cbTJ9qNaIrNMoXgkZrR/HN4R7nuSRBdgTE+Y2E0ymcEQilBboaJB6z
 Yci6jPRyDm/1Zst/PmJ5zASCbx5aCzAACcS7m1okvq+AvPH9Twu3II4f9se5Dpq8
 mWbkaJcsEJanx/J5pakzxvzPp7pTCF2113XFJ1sfLw08Vzxmq+b4m4IuEflXbWL3
 HBnYP63DFYc3xWpJgsZxsAGyr0Qdts1/FY0UufoB5bj0hZ4++NgcouixsUiBq16s
 FlLACApszCbyFK+qQao+ZMa7p5if1d4CYFqWFu0xVW4DsQAug7an76PZ+XY2PyPv
 kNSb5eodaFS8
 =fzrg
 -----END PGP SIGNATURE-----

Merge tag 'acpi-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "Update the ACPICA code in the kernel to upstream revision 20200528
  with the following changes:

   - Remove some dead code from the acpidump utility (Bob Moore)

   - Add new OperationRegion subtype keyword PlatformRtMechanism to the
     compiler (Erik Kaneda)"

* tag 'acpi-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: Update version to 20200528
  ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism
  ACPICA: acpidump: Removed dead code from oslinuxtbl.c
 2020-06-10 14:09:08 -07:00
Linus Torvalds 0c67f6b297 More power management updates for 5.8-rc1 
- Add support for interconnect bandwidth to the OPP core (Georgi
    Djakov, Saravana Kannan, Sibi Sankar, Viresh Kumar).
 
  - Add support for regulator enable/disable to the OPP core (Kamil
    Konieczny).
 
  - Add boost support to the CPPC cpufreq driver (Xiongfeng Wang).
 
  - Make the tegra186 cpufreq driver set the
    CPUFREQ_NEED_INITIAL_FREQ_CHECK flag (Mian Yousaf Kaukab).
 
  - Prevent the ACPI power management from using power resources
    with devices where the list of power resources for power state
    D0 (full power) is missing (Rafael Wysocki).
 
  - Annotate a hibernation-related function with __init (Christophe
    JAILLET).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl7g/zESHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxZzgP+wTBW/WVLVkrlk2tQhcbbj+y9TNNOfU1
 FZ9C56bR+5VJhrrxTxVHeQP7PDCNxqVM57M8Bcnl3I0LFi+OHNAqkN/xW323N7ZA
 8OGkFgeqSxgG21691rTEwVnwwhdvQsNw47Fqjbu10PiNFYm6W8YNI5JMQRxfTVHb
 H8Nt7xcJ5i7wnMRnAyrotnTUYmS3nZ7IwpHFEoM2SwWCqlYr0h9rDqKz3MvbiE59
 m0G+4tFUv8egyshzwMD78PeFG+7iZP9s4uovsKujj4UGskmAVn9BGP0vI5AJiS4b
 9KdrDNdX5NAEBFn5eDVzZSMzYhRI3pebd306oWUS+A4/rDA+BtC4ECkaWKE6IlX6
 pmJuY5w8mZU0geH+W2xJQp6t/f60XJymEYKu88opm69ujgJL8X2PglWNq8tal6iX
 BfaPNMla+0mNt9L+GzIb6v5f/nbNBQ8qe6vXlQndqcxxerIBPktLTP+j18FzN9N4
 4XOyFJYoauvfMidK8+fjGlSGi54GnlseopNcVTD6IRjRkXhYYJE62oTfgoFe1DIs
 7pFyEtnTgA0Ma9h1CMs2/UwaL1Xule4HMZzdeAnkelAAivdJI181XU0k3Y6vuNwA
 4IXkpMph8utvWX/Dp+OH0a5YGvpEAuihwe8a2Ld/VtOGVINh4hVQucU/yrGN6EIJ
 Od7S+Zua3bR6
 =p5eu
 -----END PGP SIGNATURE-----

Merge tag 'pm-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These are operating performance points (OPP) framework updates mostly,
  including support for interconnect bandwidth in the OPP core, plus a
  few cpufreq changes, including boost support in the CPPC cpufreq
  driver, an ACPI device power management fix and a hibernation code
  cleanup.

  Specifics:

   - Add support for interconnect bandwidth to the OPP core (Georgi
     Djakov, Saravana Kannan, Sibi Sankar, Viresh Kumar).

   - Add support for regulator enable/disable to the OPP core (Kamil
     Konieczny).

   - Add boost support to the CPPC cpufreq driver (Xiongfeng Wang).

   - Make the tegra186 cpufreq driver set the
     CPUFREQ_NEED_INITIAL_FREQ_CHECK flag (Mian Yousaf Kaukab).

   - Prevent the ACPI power management from using power resources with
     devices where the list of power resources for power state D0 (full
     power) is missing (Rafael Wysocki).

   - Annotate a hibernation-related function with __init (Christophe
     JAILLET)"

* tag 'pm-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: PM: Avoid using power resources if there are none for D0
  cpufreq: CPPC: add SW BOOST support
  cpufreq: change '.set_boost' to act on one policy
  PM: hibernate: Add __init annotation to swsusp_header_init()
  opp: Don't parse icc paths unnecessarily
  opp: Remove bandwidth votes when target_freq is zero
  opp: core: add regulators enable and disable
  opp: Reorder the code for !target_freq case
  opp: Expose bandwidth information via debugfs
  cpufreq: dt: Add support for interconnect bandwidth scaling
  opp: Update the bandwidth on OPP frequency changes
  opp: Add sanity checks in _read_opp_key()
  opp: Add support for parsing interconnect bandwidth
  cpufreq: tegra186: add CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
  OPP: Add helpers for reading the binding properties
  dt-bindings: opp: Introduce opp-peak-kBps and opp-avg-kBps bindings
 2020-06-10 14:04:39 -07:00
Linus Torvalds 49f13b0921 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input updates from Dmitry Torokhov:

 - a new driver for the Azoteq IQS269A capacitive touch controller

 - a new driver for the Cypress CY8CTMA140 touchscreen

 - updates to Elan and ft5x06 touchscreen drivers

 - assorted driver fixes

 - msm-vibrator has been removed as we have a more generic solution

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
  Input: adi - work around module name confict
  Input: iqs269a - add missing I2C dependency
  Input: elants - refactor elants_i2c_execute_command()
  Input: elants - override touchscreen info with DT properties
  Input: elants - remove unused axes
  Input: add support for Azoteq IQS269A
  dt-bindings: input: Add bindings for Azoteq IQS269A
  Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups
  Input: remove msm-vibrator driver
  dt-bindings: Input: remove msm-vibrator
  Input: elants_i2c - provide an attribute to show calibration count
  Input: introduce input_mt_report_slot_inactive()
  dt-bindings: input: touchscreen: elants_i2c: convert to YAML
  Input: add driver for the Cypress CY8CTMA140 touchscreen
  dt-bindings: touchscreen: Add CY8CTMA140 bindings
  Input: edt-ft5x06 - prefer asynchronous probe
  Input: edt-ft5x06 - improve power management operations
  Input: edt-ft5x06 - move parameter restore into helper
  Input: edt-ft5x06 - fix get_default register write access
  Input: atkbd - receive and use physcode->keycode mapping from FW
  ...
 2020-06-10 13:51:47 -07:00
Linus Torvalds 09102704c6 virtio: features, fixes 
virtio-mem
 doorbell mapping for vdpa
 config interrupt support in ifc
 fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAl7fZ6APHG1zdEByZWRo
 YXQuY29tAAoJECgfDbjSjVRpkDoIAMcBcQx5su1iuX7vT35xzUWZO478eAf1jOMZ
 7KxKUVBeztkcxVFUlRVRu9MR6wOzwHils+1HD6025775Smr5M6x3aJxR6xOORaBj
 RoU6OVGkpDvbzsxlhW+xhONz4O7/RkveKJPCwzGjqHrsFeh92lkfTqroz/EuNpw+
 LZsO0+DhdUf123HbwHQp5lxW8EjyrRabgeZZg/D9VLPhoCP88vCjRhBXU2GPuaUl
 /UNXsQafn4xUgrxPaoN5f4Phn/P46NNrbZ1jmlkw/z/3QhF/DhktGXGaZsIHDCN/
 vicUii0or5QLeBsZpMbKko/BIe2xWHxFjkMRhMOMZOfcBb6sMBI=
 =auUa
 -----END PGP SIGNATURE-----

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - virtio-mem: paravirtualized memory hotplug

 - support doorbell mapping for vdpa

 - config interrupt support in ifc

 - fixes all over the place

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (40 commits)
  vhost/test: fix up after API change
  virtio_mem: convert device block size into 64bit
  virtio-mem: drop unnecessary initialization
  ifcvf: implement config interrupt in IFCVF
  vhost: replace -1 with VHOST_FILE_UNBIND in ioctls
  vhost_vdpa: Support config interrupt in vdpa
  ifcvf: ignore continuous setting same status value
  virtio-mem: Don't rely on implicit compiler padding for requests
  virtio-mem: Try to unplug the complete online memory block first
  virtio-mem: Use -ETXTBSY as error code if the device is busy
  virtio-mem: Unplug subblocks right-to-left
  virtio-mem: Drop manual check for already present memory
  virtio-mem: Add parent resource for all added "System RAM"
  virtio-mem: Better retry handling
  virtio-mem: Offline and remove completely unplugged memory blocks
  mm/memory_hotplug: Introduce offline_and_remove_memory()
  virtio-mem: Allow to offline partially unplugged memory blocks
  mm: Allow to offline unmovable PageOffline() pages via MEM_GOING_OFFLINE
  virtio-mem: Paravirtualized memory hotunplug part 2
  virtio-mem: Paravirtualized memory hotunplug part 1
  ...
 2020-06-10 13:42:09 -07:00
Linus Torvalds 84fc461db9 This pull request contains the following changes for UML: 
- Use fdatasync() in ubd
 - Add a generic "fd" vector transport
 - Minor cleanups and fixes
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl7f9LgWHHJpY2hhcmRA
 c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wbOtD/4pLJZC/pImN606NAI2VyBq2n8A
 Y9L1ZvZSczyuhfibNGPcYcwQuQ87ykco9zLLffVIks6pzWEzleZXJhEiGXOs6Gr+
 qc6l1u/A3G1SeXLpEXzDvdIifBPhWAetBhGwJXHTs9XbmMx7wCOTPWNe1UN8R6cl
 nIgitEdAWvb3Dd717+MkbsCTCjf5glsJzhGl7tj/KMc1f0c0Fl8+1TNclDQUpjXp
 aj9/L9X07AF0Cxlhgj5Q/r8Fyi/Hs4cXynpj+H/9Kz66M09nUtvcsuhNZPGj/+YA
 s0lEpIBup9Osh6Am4oplSdKyQGupFcriFImxziTgDLZU/AXCz5IR5fNMXRm2qcro
 HaA64WKHOreJJwHTJsKPHMnBknaa0cfBZLG5K94G4pFUFx+ky1AtfcuSLvQ7D10w
 UP0LPEhQrwsRtzGagd9V2jIgCDFaEWG8yZi/A3DGIMUJ7pFNCCIFw/febPs6EXHY
 Njgkelw5TpqsBn+IN2CWaPgeyBKMf2CP7SEggbr0xsOCsuD+gxu4yMIzyEaKUQqK
 41+9N6gYd03cU/x+/Q7g4la6f/NwpLkoTvUd9viDHO/tmxK2S701kj7Gqxz9qv6x
 LlE/dFmaGF2/a3sp1WYuj2yD+VhgNZAly2+Bd9qLkn4TQ5bgK0GNbMGT2LHi9zPB
 Z2VxLU9CtXpHMkS1Dg==
 =eKrj
 -----END PGP SIGNATURE-----

Merge tag 'for-linus-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - Use fdatasync() in ubd

 - Add a generic "fd" vector transport

 - Minor cleanups and fixes

* tag 'for-linus-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: virtio: Replace zero-length array with flexible-array
  um: Use fdatasync() when mapping the UBD FSYNC command
  um: Do not evaluate compiler's library path when cleaning
  um: Neaten vu_err macro definition
  um: Add a generic "fd" vector transport
  um: Add include: memset() and memcpy() are in <string.h>
 2020-06-10 13:25:40 -07:00
Linus Torvalds 0e083da7c8 This pull request contains a single change for UBI: 
- Select fastmap anchor PEBs considering wear level rules
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl7f99wWHHJpY2hhcmRA
 c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wVI1D/sHx7bYa7Blo8/q1np5/eG4GYwA
 pC3CMy1/QAXlCMovBuZlqyBXHK3ENRnnhVuCMIaanfL8nTBWsVfpbiJORnUaBBBR
 2zrR+jovIwgZrmhn3Xuq8v5yhoASb7hP9ToNQZzD+R77OvjK/IpU6S63xOQf0017
 OaI3IdX36dQ8RCUg9yxpn11doTf1UyFdA6amMohe8owuYsPMd29Lt9r3K7swqzyJ
 jJ0XyzCRy/3VPgrtUZFfWXJrSgonDX4klD3L+hPHfjrby2QcWa0YdJf3pKgY0IlU
 72gxXsSYq3jIkLPOA8/V89X0vPUjiiYyf7kYj82anIgFunAfP95vGweT6l06XR+i
 MyeWOgPQZBhbPN1hWJTILEKZLvCNflPB0jaZ9zRbqT79kV0mzH0Osd7nCpiX3JTq
 OFf9B6jV4ksp24g08d/64qbItDbXBiytyDjtrKZ7y2qsu3sEmvQ6V5DEnoeRAx/E
 L/dYaGJVrQlr5UbI3lKJI0voEDERuIcZ3fD6/1YiRJSucgAZmKe4mpyzWIA4Y5dO
 LPqoQAkpTSAOXwwKzBGBYfoHnZhG+jnkOqc6zfsmLzuDmhOzKsmtbIX0mHP+GK3N
 JJy2tXF1xppLAc798C81Njn4bpZMSeDT6+6Sfh24xSoGPYlvW40UHHI/yuaQEcK9
 pEfRulAxE4ez2TWVuw==
 =UtI2
 -----END PGP SIGNATURE-----

Merge tag 'for-linus-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBI update from Richard Weinberger:
 "This contains a single change for UBI:

   - Select fastmap anchor PEBs considering wear level rules"

* tag 'for-linus-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubi: Select fastmap anchor PEBs considering wear level rules
 2020-06-10 13:24:40 -07:00
Linus Torvalds 6f51ab9440 MTD core changes: 
* partition parser: Support MTD names containing one or more colons.
 * mtdblock: clear cache_state to avoid writing to bad blocks repeatedly.
 
 Raw NAND core changes:
 
 * Stop using nand_release(), patched all drivers.
 * Give more information about the ECC weakness when not matching the
   chip's requirement.
 * MAINTAINERS updates.
 * Support emulated SLC mode on MLC NANDs.
 * Support "constrained" controllers, adapt the core and ONFI/JEDEC
   table parsing and Micron's code.
 * Take check_only into account.
 * Add an invalid ECC mode to discriminate with valid ones.
 * Return an enum from of_get_nand_ecc_algo().
 * Drop OOB_FIRST placement scheme.
 * Introduce nand_extract_bits().
 * Ensure a consistent bitflips numbering.
 * BCH lib:
   - Allow easy bit swapping.
   - Rework a little bit the exported function names.
 * Fix nand_gpio_waitrdy().
 * Propage CS selection to sub operations.
 * Add a NAND_NO_BBM_QUIRK flag.
 * Give the possibility to verify a read operation is supported.
 * Add a helper to check supported operations.
 * Avoid indirect access to ->data_buf().
 * Rename the use_bufpoi variables.
 * Fix comments about the use of bufpoi.
 * Rename a NAND chip option.
 * Reorder the nand_chip->options flags.
 * Translate obscure bitfields into readable macros.
 * Timings:
   - Fix default values.
   - Add mode information to the timings structure.
 
 Raw NAND controller driver changes:
 
 * Fixed many error paths.
 * Arasan
   - New driver
 * Au1550nd:
   - Various cleanups
   - Migration to ->exec_op()
 * brcmnand:
   - Misc cleanup.
   - Support v2.1-v2.2 controllers.
   - Remove unused including <linux/version.h>.
   - Correctly verify erased pages.
   - Fix Hamming OOB layout.
 * Cadence
   - Make cadence_nand_attach_chip static.
 * Cafe:
   - Set the NAND_NO_BBM_QUIRK flag
 * cmx270:
   - Remove this controller driver.
 * cs553x:
   - Misc cleanup
   - Migration to ->exec_op()
 * Davinci:
   - Misc cleanup.
   - Migration to ->exec_op()
 * Denali:
   - Add more delays before latching incoming data
 * Diskonchip:
    - Misc cleanup
    - Migration to ->exec_op()
 * Fsmc:
   - Change to non-atomic bit operations.
 * GPMI:
   - Use nand_extract_bits()
   - Fix runtime PM imbalance.
 * Ingenic:
   - Migration to exec_op()
   - Fix the RB gpio active-high property on qi, lb60
   - Make qi_lb60_ooblayout_ops static.
 * Marvell:
    - Misc cleanup and small fixes
 * Nandsim:
   - Fix the error paths, driver wide.
 * Omap_elm:
   - Fix runtime PM imbalance.
 * STM32_FMC2:
   - Misc cleanups (error cases, comments, timeout valus, cosmetic
     changes).
 
 SPI NOR core changes:
 
 * Add, update support and fix few flashes.
 * Prepare BFPT parsing for JESD216 rev D.
 * Kernel doc fixes.
 
 CFI changes:
 
 * Support the absence of protection registers for Intel CFI flashes.
 * Replace zero-length array with flexible-arrays.
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAl7f8msWHHJpY2hhcmRA
 c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wXhlEADO3dfrWS9bsbZokuMppHlOTAsm
 d0hPexu0ztRYr2qWgXScENtrcJ/0ygDPxEQxwIiWYAqwFn6yOBbum+tOo25edbEH
 hGpkV5551vc48vD55nvxdoyWiJAgx93jVmfXU/Ad8EBDV4wGTBwzJJvZ8bxovUIl
 Ccs9p8KU/Z5c7yNhYtLOJChU3gfMS0WS5iQakSnnT82TFJIdC8d8Y+bjupRfvHbz
 ZkEC44Y+QcvSX6C2PJ2U9ScBf6r6WZkHmpOef8UzrxdLRvnhU16u9yRlepsm2D+x
 KycQ81KPBhagLI+9AWGZQYma5GH0z+40LmhxR6YBS0ipS2lAc1wM904KB8RGohfl
 SY4EYQSyx2/42bLEgR823rCfIIrzzNvjwnWdcZik2p2IWsocpzhdW2Fe3eJ7ULUe
 9toQMg8JObawyKw7vRJtdiiX/OsNNv53FJsRu6rHkq3kgLXcmAUQYMh02LQFAkD6
 gT8W8wmseZixI6mnG7tV2KHtRU70xWTTwJgFp5FvvBAP0p7KfbIlgJ0XrzQor2vB
 3Jhb7e2DrOfu2RatZ12bmQpvpoU1Jv1U81UNnwsNpXawCPuRUYG3KCt+hjjr7HiV
 ++7YZ01pQ1GQ/pgcprwwKcpw5iTah0uXUEnE6pVbyX7hxg+OBgsWh8SK9MZMUioM
 3yUGbotWAu2j6uM46g==
 =2M9Y
 -----END PGP SIGNATURE-----

Merge tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Richard Weinberger:
 "MTD core changes:
   - partition parser: Support MTD names containing one or more colons.
   - mtdblock: clear cache_state to avoid writing to bad blocks
     repeatedly.

  Raw NAND core changes:
   - Stop using nand_release(), patched all drivers.
   - Give more information about the ECC weakness when not matching the
     chip's requirement.
   - MAINTAINERS updates.
   - Support emulated SLC mode on MLC NANDs.
   - Support "constrained" controllers, adapt the core and ONFI/JEDEC
     table parsing and Micron's code.
   - Take check_only into account.
   - Add an invalid ECC mode to discriminate with valid ones.
   - Return an enum from of_get_nand_ecc_algo().
   - Drop OOB_FIRST placement scheme.
   - Introduce nand_extract_bits().
   - Ensure a consistent bitflips numbering.
   - BCH lib:
      - Allow easy bit swapping.
      - Rework a little bit the exported function names.
   - Fix nand_gpio_waitrdy().
   - Propage CS selection to sub operations.
   - Add a NAND_NO_BBM_QUIRK flag.
   - Give the possibility to verify a read operation is supported.
   - Add a helper to check supported operations.
   - Avoid indirect access to ->data_buf().
   - Rename the use_bufpoi variables.
   - Fix comments about the use of bufpoi.
   - Rename a NAND chip option.
   - Reorder the nand_chip->options flags.
   - Translate obscure bitfields into readable macros.
   - Timings:
      - Fix default values.
      - Add mode information to the timings structure.

  Raw NAND controller driver changes:
   - Fixed many error paths.
   - Arasan
      - New driver
   - Au1550nd:
      - Various cleanups
      - Migration to ->exec_op()
   - brcmnand:
      - Misc cleanup.
      - Support v2.1-v2.2 controllers.
      - Remove unused including <linux/version.h>.
      - Correctly verify erased pages.
      - Fix Hamming OOB layout.
   - Cadence
      - Make cadence_nand_attach_chip static.
   - Cafe:
      - Set the NAND_NO_BBM_QUIRK flag
   - cmx270:
      - Remove this controller driver.
   - cs553x:
      - Misc cleanup
      - Migration to ->exec_op()
   - Davinci:
      - Misc cleanup.
      - Migration to ->exec_op()
   - Denali:
      - Add more delays before latching incoming data
   - Diskonchip:
      - Misc cleanup
      - Migration to ->exec_op()
   - Fsmc:
      - Change to non-atomic bit operations.
   - GPMI:
      - Use nand_extract_bits()
      - Fix runtime PM imbalance.
   - Ingenic:
      - Migration to exec_op()
      - Fix the RB gpio active-high property on qi, lb60
      - Make qi_lb60_ooblayout_ops static.
   - Marvell:
      - Misc cleanup and small fixes
   - Nandsim:
      - Fix the error paths, driver wide.
   - Omap_elm:
      - Fix runtime PM imbalance.
   - STM32_FMC2:
      - Misc cleanups (error cases, comments, timeout valus, cosmetic
        changes).

  SPI NOR core changes:
   - Add, update support and fix few flashes.
   - Prepare BFPT parsing for JESD216 rev D.
   - Kernel doc fixes.

  CFI changes:
   - Support the absence of protection registers for Intel CFI flashes.
   - Replace zero-length array with flexible-arrays"

* tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (208 commits)
  mtd: clear cache_state to avoid writing to bad blocks repeatedly
  mtd: parser: cmdline: Support MTD names containing one or more colons
  mtd: physmap_of_gemini: remove defined but not used symbol 'syscon_match'
  mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones
  mtd: rawnand: Return an enum from of_get_nand_ecc_algo()
  mtd: rawnand: Drop OOB_FIRST placement scheme
  mtd: rawnand: Avoid a typedef
  mtd: Fix typo in mtd_ooblayout_set_databytes() description
  mtd: rawnand: Stop using nand_release()
  mtd: rawnand: nandsim: Reorganize ns_cleanup_module()
  mtd: rawnand: nandsim: Rename a label in ns_init_module()
  mtd: rawnand: nandsim: Manage lists on error in ns_init_module()
  mtd: rawnand: nandsim: Fix the label pointing on nand_cleanup()
  mtd: rawnand: nandsim: Free erase_block_wear on error
  mtd: rawnand: nandsim: Use an additional label when freeing the nandsim object
  mtd: rawnand: nandsim: Stop using nand_release()
  mtd: rawnand: nandsim: Free the partition names in ns_free()
  mtd: rawnand: nandsim: Free the allocated device on error in ns_init()
  mtd: rawnand: nandsim: Free partition names on error in ns_init()
  mtd: rawnand: nandsim: Fix the two ns_alloc_device() error paths
  ...
 2020-06-10 13:15:17 -07:00
Alexey Gladkov 058f2e4da7 proc: s_fs_info may be NULL when proc_kill_sb is called 
syzbot found that proc_fill_super() fails before filling up sb->s_fs_info,
deactivate_locked_super() will be called and sb->s_fs_info will be NULL.
The proc_kill_sb() does not expect fs_info to be NULL which is wrong.

Link: https://lore.kernel.org/lkml/0000000000002d7ca605a7b8b1c5@google.com
Reported-by: syzbot+4abac52934a48af5ff19@syzkaller.appspotmail.com
Fixes: fa10fed30f ("proc: allow to mount many instances of proc in one pid namespace")
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
 2020-06-10 14:54:54 -05:00
Linus Torvalds 6f630784cc This time around we have 4 lines of diff in the core framework, removing a 
function that isn't used anymore. Otherwise the main new thing for the common
 clk framework is that it is selectable in the Kconfig language now. Hopefully
 this will let clk drivers and clk consumers be testable on more than the
 architectures that support the clk framework. The goal is to introduce some
 Kunit tests for the framework.
 
 Outside of the core framework we have the usual set of various driver updates
 and non-critical fixes. The dirstat shows that the new Baikal-T1 driver is the
 largest addition this time around in terms of lines of code. After that the x86
 (Intel), Qualcomm, and Mediatek drivers introduce many lines to support new or
 upcoming SoCs. After that the dirstat shows the usual suspects working on their
 SoC support by fixing minor bugs, correcting data and converting some of their
 DT bindings to YAML.
 
 Core:
  - Allow the COMMON_CLK config to be selectable
 
 New Drivers:
  - Clk driver for Baikal-T1 SoCs
  - Mediatek MT6765 clock support
  - Support for Intel Agilex clks
  - Add support for X1830 and X1000 Ingenic SoC clk controllers
  - Add support for the new Renesas RZ/G1H (R8A7742) SoC
  - Add support for Qualcomm's MSM8939 Generic Clock Controller
 
 Updates:
  - Support IDT VersaClock 5P49V5925
  - Bunch of updates for HSDK clock generation unit (CGU) driver
  - Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
  - Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
  - Enable supply regulators for GPU gdscs on Qualcomm SoCs
  - Add support for Si5342, Si5344 and Si5345 chips
  - Support custom flags in Xilinx zynq firmware
  - Various small fixes to the Xilinx clk driver
  - A single minor rounding fix for the legacy Allwinner clock support
  - A few patches from Abel Vesa as preparation of adding audiomix clock support
    on i.MX
  - A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and clk-pllv3
    drivers
  - Drop dependency on ARM64 for i.MX8M clock driver, to support aarch32 mode on
    aarch64 hardware
  - A series from Peng Fan to improve i.MX8M clock drivers, using composite
    clock for core and bus clk slice
  - Set a better parent clock for flexcan on i.MX6UL to support CiA102 defined
    bit rates
  - A couple changes for EMC frequency scaling on Tegra210
  - Support for CPU frequency scaling on Tegra20/Tegra30
  - New clk gate for CSI test pattern generator on Tegra210
  - Regression fixes for Samsung exynos542x and exynos5433 SoCs
  - Use of fallthrough; attribute for Samsung s3c24xx
  - Updates and fixup HDMI and video clocks on Meson8b
  - Fixup reset polarity on Meson8b
  - Fix GPU glitch free mux switch on Meson gx and g12
  - A minor fix for the currently unused suspend/resume handling on Renesas RZ/A1 and RZ/A2
  - Two more conversions of Renesas DT bindings to json-schema
  - Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAl7gEUgRHHNib3lkQGtl
 cm5lbC5vcmcACgkQrQKIl8bklSUemxAAlQKzx0yMS3yx5twJ4RSFUvf3hf4OqyPp
 O46soqADk+l69Z4SUUBsMjt8el5Sqmm4d1j1Gpfmgp3ZlumHCQK+qGYp48IXbwRP
 Jlo5sKNlNL6yhCd+ixPn4j7W/HbpGs4cciWOXkGQtYEGjhHm3Wllhd9MqpL2YjLx
 gZW60NqWtOe1XeB4ILyYQGisNwAGDi5XuBeNvxG12H/LaGC1mwtBX9yoNAehr9bF
 peJ2XnO02zFo73OCyzIOkw1uY4u7ZtwPdHGhymoGeVlcBWO6KwKesNkHnji/Grlv
 wMbsGLoRV/i3PL3q5kZIDigo8sqZ9RUG+9piRAoiLM5AgkSypw3/q9T+ujTfZp8t
 kgvFha6bLZz31UFmr4lBJPTT5Q/hAoe1W6RB6HZkx7XNqUpsAS04SwkQztAqkJqZ
 9zlYJrXgLlP5qcNllJ6zvUWkMqtmIKW4ZkjYe4u84yk5Co7bX8DCYa+QOKCz+pV4
 IbjRT62OrX2ZlXJYwkLb4m1nhZ7tBzhzIRP1umL0ukhxdomK6ofSNPzbBF9+t1eR
 /ai2/Ch6L6WIwDINEp+chO67/dJaj5W3WNqGMCmVt37myW1kBjH3eg0YG4cp7NYZ
 /jSjdWczQy/8BgY5V1009MRXI4uyazQxBw+apDcIGezamOKBmuwjBcvkf1D0mL2x
 Y6OclK5ljsw=
 =nuG5
 -----END PGP SIGNATURE-----

Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This time around we have four lines of diff in the core framework,
  removing a function that isn't used anymore. Otherwise the main new
  thing for the common clk framework is that it is selectable in the
  Kconfig language now. Hopefully this will let clk drivers and clk
  consumers be testable on more than the architectures that support the
  clk framework. The goal is to introduce some Kunit tests for the
  framework.

  Outside of the core framework we have the usual set of various driver
  updates and non-critical fixes. The dirstat shows that the new
  Baikal-T1 driver is the largest addition this time around in terms of
  lines of code. After that the x86 (Intel), Qualcomm, and Mediatek
  drivers introduce many lines to support new or upcoming SoCs. After
  that the dirstat shows the usual suspects working on their SoC support
  by fixing minor bugs, correcting data and converting some of their DT
  bindings to YAML.

  Core:
   - Allow the COMMON_CLK config to be selectable

  New Drivers:
   - Clk driver for Baikal-T1 SoCs
   - Mediatek MT6765 clock support
   - Support for Intel Agilex clks
   - Add support for X1830 and X1000 Ingenic SoC clk controllers
   - Add support for the new Renesas RZ/G1H (R8A7742) SoC
   - Add support for Qualcomm's MSM8939 Generic Clock Controller

  Updates:
   - Support IDT VersaClock 5P49V5925
   - Bunch of updates for HSDK clock generation unit (CGU) driver
   - Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
   - Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
   - Enable supply regulators for GPU gdscs on Qualcomm SoCs
   - Add support for Si5342, Si5344 and Si5345 chips
   - Support custom flags in Xilinx zynq firmware
   - Various small fixes to the Xilinx clk driver
   - A single minor rounding fix for the legacy Allwinner clock support
   - A few patches from Abel Vesa as preparation of adding audiomix
     clock support on i.MX
   - A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and
     clk-pllv3 drivers
   - Drop dependency on ARM64 for i.MX8M clock driver, to support
     aarch32 mode on aarch64 hardware
   - A series from Peng Fan to improve i.MX8M clock drivers, using
     composite clock for core and bus clk slice
   - Set a better parent clock for flexcan on i.MX6UL to support CiA102
     defined bit rates
   - A couple changes for EMC frequency scaling on Tegra210
   - Support for CPU frequency scaling on Tegra20/Tegra30
   - New clk gate for CSI test pattern generator on Tegra210
   - Regression fixes for Samsung exynos542x and exynos5433 SoCs
   - Use of fallthrough; attribute for Samsung s3c24xx
   - Updates and fixup HDMI and video clocks on Meson8b
   - Fixup reset polarity on Meson8b
   - Fix GPU glitch free mux switch on Meson gx and g12
   - A minor fix for the currently unused suspend/resume handling on
     Renesas RZ/A1 and RZ/A2
   - Two more conversions of Renesas DT bindings to json-schema
   - Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (155 commits)
  clk: mediatek: Remove ifr{0,1}_cfg_regs structures
  clk: baikal-t1: remove redundant assignment to variable 'divider'
  clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible"
  dt-bindings: clock: Add a missing include to MMP Audio Clock binding
  dt: Add bindings for IDT VersaClock 5P49V5925
  clk: vc5: Add support for IDT VersaClock 5P49V6965
  clk: Add Baikal-T1 CCU Dividers driver
  clk: Add Baikal-T1 CCU PLLs driver
  dt-bindings: clk: Add Baikal-T1 CCU Dividers binding
  dt-bindings: clk: Add Baikal-T1 CCU PLLs binding
  clk: mediatek: assign the initial value to clk_init_data of mtk_mux
  clk: mediatek: Add MT6765 clock support
  clk: mediatek: add mt6765 clock IDs
  dt-bindings: clock: mediatek: document clk bindings vcodecsys for Mediatek MT6765 SoC
  dt-bindings: clock: mediatek: document clk bindings mipi0a for Mediatek MT6765 SoC
  dt-bindings: clock: mediatek: document clk bindings for Mediatek MT6765 SoC
  CLK: HSDK: CGU: add support for 148.5MHz clock
  CLK: HSDK: CGU: support PLL bypassing
  CLK: HSDK: CGU: check if PLL is bypassed first
  clk: clk-si5341: Add support for the Si5345 series
  ...
 2020-06-10 11:42:19 -07:00
Linus Torvalds 3a2a875174 power supply and reset changes for the v5.8 series 
kobject:
  * Increase number of allowed uevent variables
 
 power-supply core:
  * Add power-supply type in uevent
  * Cleanup property handling in core
  * Make property and usb_type pointers const
  * Convert core power-supply DT binding to YAML
  * Cleanup HWMON code
  * Add new health status "calibration required"
  * Add new properties for manufacture date and
    capacity error margin
 
 battery drivers:
  * new cw2015 battery driver used by pine64 Pinebook Pro laptop
  * axp22: blacklist on Meegopad T02
  * sc27xx: support current/voltage reading
  * max17042: support time-to-empty reading
  * simple-battery: add more battery parameters
  * bq27xxx: convert DT binding document to YAML
  * sbs-battery: add TI BQ20Z65 support, fix technology property, convert
                 DT binding to YAML, add option to disable charger
 		broadcasts, add new properties: manufacture date,
 		capacity error margin, average current, charge current
 		and voltage and support calibration required health
 		status
  * misc. fixes
 
 charger drivers:
  * bq25890: cleanup, implement charge type, precharge current and input
             current limiting properties
  * bd70528: use new linear range helper library
  * bd99954: new charger driver
  * mp2629: new charger driver
  * misc. fixes
 
 reboot drivers:
  * oxnas-restart: introduce new driver
  * syscon-reboot: convert DT binding to YAML, add parent syscon device support
  * misc. fixes
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAl7a2L0ACgkQ2O7X88g7
 +poAIg//caN2sHqOFEsukXWe1oft/X0IQeGNmlCnj55l1zGJ/x03Yn0GeKb0FZgM
 go+sfMaM/a6NNdmKhseLIsYFlhVBa2E7qW1nvaxgt66JKS+GXAHfE8LWVwazDJex
 rq0esXuegsqFdbCUth81YLk2H+0qwnhVVv/Urvv1RaE/woeFHAHL1cYfcFa+YDXm
 XRDT0W73YozslFkMnZMLBLyQzad3yVnNcnRYF3Dx0CMnUsjGfPjBlyk4RLPTcgUk
 8ChTvCcHRG7IhEtF0a1HUr3UjCy9rjwiqWIobQltnbEYImxY0LWkCVVr1EsNjeyr
 ikl3c4JfwmdlVCBCSPn294mPlGKu8DNBMLN1IgAuJHKW1GuQxd0Tcbd9OwF6VlVj
 WTFWp2GcoIjKQtOWKDeCqby+hoWhgclxTHUudo7FGTT0xBP9OWTKWDpDL18cZWd8
 dNCFMEI6MDMRtwL8+3ilLcnvSoMzyZ94TZmwii9toD3xSI7TMn7oVRuOlq1TkOEw
 ZuPS3QP6jBHm8NN9JEhLbrwradP+R8qpE/jpsnWiBDR6Jt7xx4W7W0xupq4GdHAl
 u0Lbh38/0bkTijeo9xoPe03KsSBV8HOr9Lf/QVW3zLcYcGKW17j8QTkes3a0bOs0
 DZHVCFeXuWNFa/tJxe6c+J+NsroLucTMwA3lBmlZhI/TPsG2vb8=
 =He9L
 -----END PGP SIGNATURE-----

Merge tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "This time there are lots of changes. Quite a few changes to the core,
  lots of driver changes and one change to kobject core (with Ack from
  Greg).

  Summary:

  kobject:
   - Increase number of allowed uevent variables

  power-supply core:
   - Add power-supply type in uevent
   - Cleanup property handling in core
   - Make property and usb_type pointers const
   - Convert core power-supply DT binding to YAML
   - Cleanup HWMON code
   - Add new health status "calibration required"
   - Add new properties for manufacture date and capacity error margin

  battery drivers:
   - new cw2015 battery driver used by pine64 Pinebook Pro laptop
   - axp22: blacklist on Meegopad T02
   - sc27xx: support current/voltage reading
   - max17042: support time-to-empty reading
   - simple-battery: add more battery parameters
   - bq27xxx: convert DT binding document to YAML
   - sbs-battery: add TI BQ20Z65 support, fix technology property,
         convert DT binding to YAML, add option to disable charger
         broadcasts, add new properties: manufacture date, capacity
         error margin, average current, charge current and voltage and
         support calibration required health status
   - misc fixes

  charger drivers:
   - bq25890: cleanup, implement charge type, precharge current and
         input current limiting properties
   - bd70528: use new linear range helper library
   - bd99954: new charger driver
   - mp2629: new charger driver
   - misc fixes

  reboot drivers:
   - oxnas-restart: introduce new driver
   - syscon-reboot: convert DT binding to YAML, add parent syscon device
         support
   - misc fixes"

* tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (85 commits)
  power: supply: cw2015: Attach OF ID table to the driver
  power: reset: gpio-poweroff: add missing '\n' in dev_err()
  Revert "power: supply: sbs-battery: simplify read_read_string_data"
  Revert "power: supply: sbs-battery: add PEC support"
  dt-bindings: power: sbs-battery: Convert to yaml
  power: supply: sbs-battery: constify power-supply property array
  power: supply: sbs-battery: switch to i2c's probe_new
  power: supply: sbs-battery: switch from of_property_* to device_property_*
  power: supply: sbs-battery: add ability to disable charger broadcasts
  power: supply: sbs-battery: fix idle battery status
  power: supply: sbs-battery: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED support
  power: supply: sbs-battery: add MANUFACTURE_DATE support
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT/VOLTAGE_MAX support
  power: supply: sbs-battery: Improve POWER_SUPPLY_PROP_TECHNOLOGY support
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CURRENT_AVG support
  power: supply: sbs-battery: add PEC support
  power: supply: sbs-battery: simplify read_read_string_data
  power: supply: sbs-battery: add POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN support
  power: supply: sbs-battery: Add TI BQ20Z65 support
  power: supply: core: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED
  ...
 2020-06-10 11:28:35 -07:00
Christoph Hellwig ef9d965bc8 sysctl: reject gigantic reads/write to sysctl files 
Instead of triggering a WARN_ON deep down in the page allocator just
give up early on allocations that are way larger than the usual sysctl
values.

Fixes: 32927393dc ("sysctl: pass kernel pointers to ->proc_handler")
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2020-06-10 14:11:33 -04:00
Christoph Hellwig 8c46fa9682 cdrom: fix an incorrect __user annotation on cdrom_sysctl_info 
No user pointers for sysctls anymore.

Fixes: 32927393dc ("sysctl: pass kernel pointers to ->proc_handler")
Reported-by: build test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2020-06-10 14:11:33 -04:00
Linus Torvalds c90e7945e3 dmaengine updates for v5.8-rc1 
Bunch of updates to drivers like dmatest, dw-edma, ioat,
 mmp-tdma and k3-udma along with Renesas binding update to json-schema
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAl7fdVEACgkQfBQHDyUj
 g0e7PBAAhtKUb1hbx9OR9Wm4l0ZPgheip0Ai8zWjAXaM0au/OhGbYrss7ilRySYL
 ORUZqCp0/972w7oyHeHeNu2gxvbg8ouYCSTEftF4v78UPToYmoVYjUHVgxyLEeQ4
 i+B/K2sa96WYa0D64T3cDi7Vmf61ouB86Do7iIU8LZJuiS18Smyz5dfAUNCWZ7br
 rREDnJ6QPjoWMpdz/toYkYxChBWN7td8Zve1u0LUEFXt/OG6jpfv4Dg2jJ+j5E4V
 TGmV5p+7YVpuxmi1ab/MEOTWdG1rckhr85/+Fxy55V+BH8GaU5GEzeFg/5gIwypp
 it4dbPRq/fUPmuuWA+o2BYDC3ytJuFP/UQkCvxazT1OQS5xSHFHZXQYKOkRGZWln
 jNGML2CTTRe4JvRDU1rlLtQjSjlyF9Gt/5fRYkJQsJYByJhpvgp1+Fsuv8e2TFGX
 hhPH/RJJ04nhyHMjH6WBea+3BiUDHk9nxTPxeefu3tpF779vYmBXgO70thYt+J7d
 oJwegyfwJmgv7ZyItgQC+oo9AOVyByXrELuPgbFxHCnxNXjE8Xzu7lxjI3SX1zn2
 1tFX7yqJamR0s7EFwMDVBsG2SqUr/XKmruEUxt+VWIM/UjDrVvDPnqQ0koziRNV6
 dWClV/+QuOXKo349bDQUMjUp7gBub6lHCIJ2U428Y/pckgsOWac=
 =Jun4
 -----END PGP SIGNATURE-----

Merge tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "A fairly small dmaengine update which includes mostly driver updates
  (dmatest, dw-edma, ioat, mmp-tdma and k3-udma) along with Renesas
  binding update to json-schema"

* tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (39 commits)
  dmaengine: imx-sdma: initialize all script addresses
  dmaengine: ti: k3-udma: Use proper return code in alloc_chan_resources
  dmaengine: ti: k3-udma: Remove udma_chan.in_ring_cnt
  dmaengine: ti: k3-udma: Add missing dma_sync call for rx flush descriptor
  dmaengine: at_xdmac: Replace zero-length array with flexible-array
  dmaengine: at_hdmac: Replace zero-length array with flexible-array
  dmaengine: qcom: bam_dma: Replace zero-length array with flexible-array
  dmaengine: ti: k3-udma: Use PTR_ERR_OR_ZERO() to simplify code
  dmaengine: moxart-dma: Drop pointless static qualifier in moxart_probe()
  dmaengine: sf-pdma: Simplify the error handling path in 'sf_pdma_probe()'
  dmaengine: qcom_hidma: use true,false for bool variable
  dmaengine: dw-edma: support local dma device transfer semantics
  dmaengine: Fix doc strings to satisfy validation script
  dmaengine: Include dmaengine.h into dmaengine.c
  dmaengine: dmatest: Describe members of struct dmatest_info
  dmaengine: dmatest: Describe members of struct dmatest_params
  dmaengine: dmatest: Allow negative timeout value to specify infinite wait
  Revert "dmaengine: dmatest: timeout value of -1 should specify infinite wait"
  dmaengine: stm32-dma: direct mode support through device tree
  dt-bindings: dma: add direct mode support through device tree in stm32-dma
  ...
 2020-06-10 11:03:04 -07:00
Geert Uytterhoeven 77d22a4388 Documentation/CodingStyle: Fix duplicate "are" typo 
The improved paragraph about line lengths contains a sentence with a
duplicate word: there is one "are" at the end of a line, followed by a
second one at the beginning of the next line.

Drop the first one, as that one is part of the longest line.

Fixes: bdc48fa11e ("checkpatch/coding-style: deprecate 80-column warning")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-10 10:38:21 -07:00
Andrew Morton f7579007f3 arch/sparc/mm/srmmu.c: fix build 
"mm: consolidate pte_index() and pte_offset_*() definitions" was supposed
to remove arch/sparc/mm/srmmu.c:pte_offset_kernel().

Fixes: 974b9b2c68 ("mm: consolidate pte_index() and pte_offset_*() definitions")
Reported-by: kernel test robot <lkp@intel.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-10 10:35:28 -07:00
Rafael J. Wysocki ede439be68 Merge branch 'acpica' 
* acpica:
  ACPICA: Update version to 20200528
  ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism
  ACPICA: acpidump: Removed dead code from oslinuxtbl.c
 2020-06-10 17:27:28 +02:00
Rafael J. Wysocki 50dd154ed7 Merge branches 'pm-cpufreq' and 'pm-acpi' 
* pm-cpufreq:
  cpufreq: CPPC: add SW BOOST support
  cpufreq: change '.set_boost' to act on one policy
  cpufreq: tegra186: add CPUFREQ_NEED_INITIAL_FREQ_CHECK flag

* pm-acpi:
  ACPI: PM: Avoid using power resources if there are none for D0
 2020-06-10 17:10:40 +02:00
Rafael J. Wysocki 4c277e2f85 Merge branch 'pm-opp' 
* pm-opp:
  opp: Don't parse icc paths unnecessarily
  opp: Remove bandwidth votes when target_freq is zero
  opp: core: add regulators enable and disable
  opp: Reorder the code for !target_freq case
  opp: Expose bandwidth information via debugfs
  cpufreq: dt: Add support for interconnect bandwidth scaling
  opp: Update the bandwidth on OPP frequency changes
  opp: Add sanity checks in _read_opp_key()
  opp: Add support for parsing interconnect bandwidth
  interconnect: Remove unused module exit code from core
  interconnect: Disallow interconnect core to be built as a module
  interconnect: Add of_icc_get_by_index() helper function
  OPP: Add helpers for reading the binding properties
  dt-bindings: opp: Introduce opp-peak-kBps and opp-avg-kBps bindings
 2020-06-10 17:10:30 +02:00
Linus Torvalds 5b14671be5 fuse update for 5.8 
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXt/0GAAKCRDh3BK/laaZ
 PIJjAP48TurDqomsQMBLiOsSUy0YIhd5QC/G5MYLKSBojXoR+gD+KfqXhVIDz0En
 OI+K4674cNhf4CXNzUedU3qSOaJLfAU=
 =PqbB
 -----END PGP SIGNATURE-----

Merge tag 'fuse-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse updates from Miklos Szeredi:

 - Fix a rare deadlock in virtiofs

 - Fix st_blocks in writeback cache mode

 - Fix wrong checks in splice move causing spurious warnings

 - Fix a race between a GETATTR request and a FUSE_NOTIFY_INVAL_INODE
   notification

 - Use rb-tree instead of linear search for pages currently under
   writeout by userspace

 - Fix copy_file_range() inconsistencies

* tag 'fuse-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: copy_file_range should truncate cache
  fuse: fix copy_file_range cache issues
  fuse: optimize writepages search
  fuse: update attr_version counter on fuse_notify_inval_inode()
  fuse: don't check refcount after stealing page
  fuse: fix weird page warning
  fuse: use dump_page
  virtiofs: do not use fuse_fill_super_common() for device installation
  fuse: always allow query of st_dev
  fuse: always flush dirty data on close(2)
  fuse: invalidate inode attr in writeback cache mode
  fuse: Update stale comment in queue_interrupt()
  fuse: BUG_ON correction in fuse_dev_splice_write()
  virtiofs: Add mount option and atime behavior to the doc
  virtiofs: schedule blocking async replies in separate worker
 2020-06-09 15:48:24 -07:00
Linus Torvalds 52435c86bf overlayfs update for 5.8 
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXt9klAAKCRDh3BK/laaZ
 PBeeAP9GRI0yajPzBzz2ZK9KkDc6A7wPiaAec+86Q+c02VncVwEAvq5Pi4um5RTZ
 7SVv56ggKO3Cqx779zVyZTRYDs3+YA4=
 =bpKI
 -----END PGP SIGNATURE-----

Merge tag 'ovl-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

Pull overlayfs updates from Miklos Szeredi:
 "Fixes:

   - Resolve mount option conflicts consistently

   - Sync before remount R/O

   - Fix file handle encoding corner cases

   - Fix metacopy related issues

   - Fix an unintialized return value

   - Add missing permission checks for underlying layers

  Optimizations:

   - Allow multipe whiteouts to share an inode

   - Optimize small writes by inheriting SB_NOSEC from upper layer

   - Do not call ->syncfs() multiple times for sync(2)

   - Do not cache negative lookups on upper layer

   - Make private internal mounts longterm"

* tag 'ovl-update-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (27 commits)
  ovl: remove unnecessary lock check
  ovl: make oip->index bool
  ovl: only pass ->ki_flags to ovl_iocb_to_rwf()
  ovl: make private mounts longterm
  ovl: get rid of redundant members in struct ovl_fs
  ovl: add accessor for ofs->upper_mnt
  ovl: initialize error in ovl_copy_xattr
  ovl: drop negative dentry in upper layer
  ovl: check permission to open real file
  ovl: call secutiry hook in ovl_real_ioctl()
  ovl: verify permissions in ovl_path_open()
  ovl: switch to mounter creds in readdir
  ovl: pass correct flags for opening real directory
  ovl: fix redirect traversal on metacopy dentries
  ovl: initialize OVL_UPPERDATA in ovl_lookup()
  ovl: use only uppermetacopy state in ovl_lookup()
  ovl: simplify setting of origin for index lookup
  ovl: fix out of bounds access warning in ovl_check_fb_len()
  ovl: return required buffer size for file handles
  ovl: sync dirty data when remounting to ro mode
  ...
 2020-06-09 15:40:50 -07:00
Linus Torvalds 4964dd2914 AFS fixes 
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEqG5UsNXhtOCrfGQP+7dXa6fLC2sFAl7fxCMACgkQ+7dXa6fL
 C2tUNw//VdGTqw3SstdpCqlIQptfXjxIJqFBp5QsQ95b2yHEFcmaeqLP9SWOMPZ9
 588xBMj4K9iN9WZgJdJwTGj5D1XmRwiISYnDh1pzNUPH2IrnlcTXfpsZ+BSWst/P
 XMJ1N3ZtzNymYTi4wzxcV/SjMJd4eX75jBiJn9rgp2PzVnaCUl+a21sLvryON2Eu
 YOpg08IlpRYLMsuHiISrqqgy7/iUzo34RXWbhgJV69zG07xoHtBwGf/iwetbh56G
 lmKp3xix1Fq181HyQLOn4/QkXTIFR1kyKFDdI3HxdRXsBybSZUk9IGaf74o09c7M
 PTS1FsF0lnGz+61Y5mb1UzPRlJSx8CAeCBSN6KWlbm/g9WPXHuxJFwT/KVPV5T13
 qEYn1U1RL8yMlbjezMDM5TXSM4IhBRxn9hQ3qbhamiDI0AT8kr55lJKbxqTO8Cvv
 6ZjYfPtX0D5Z9kce4E4nWFiRWb8xRsANqWdkVsIcxp1yyZvGkHot5LaCedagF+0b
 71Zs0A5YMA4VaaL7sn1xMt/tjZ2ei+5a+cLbfEOoCniE6XqpLm5ZR6WwdbzwwUbV
 hzUn3ByQ5eqC5tkwehNufDLFt1HOzMbnTG9eCxbpUXAH1Q8CDwuROUMf4FGjR97K
 eeYHcEqLhEKgKRCmGYT00K/q1Ce39rcgGZLygdbbwaigEUCjLvU=
 =rH8G
 -----END PGP SIGNATURE-----

Merge tag 'afs-fixes-20200609' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull AFS fixes from David Howells:
 "A set of small patches to fix some things, most of them minor.

   - Fix a memory leak in afs_put_sysnames()

   - Fix an oops in AFS file locking

   - Fix new use of BUG()

   - Fix debugging statements containing %px

   - Remove afs_zero_fid as it's unused

   - Make afs_zap_data() static"

* tag 'afs-fixes-20200609' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Make afs_zap_data() static
  afs: Remove afs_zero_fid as it's not used
  afs: Fix debugging statements with %px to be %p
  afs: Fix use of BUG()
  afs: Fix file locking
  afs: Fix memory leak in afs_put_sysnames()
 2020-06-09 15:38:46 -07:00
Stephen Boyd 9ac1eafa88 clk: mediatek: Remove ifr{0,1}_cfg_regs structures 
These aren't used and the macros that reference them aren't used either.
Remove the dead code to avoid compile warnings.

Cc: Owen Chen <owen.chen@mediatek.com>
Cc: Mars Cheng <mars.cheng@mediatek.com>
Cc: Macpaul Lin <macpaul.lin@mediatek.com>
Fixes: 1aca9939bf ("clk: mediatek: Add MT6765 clock support")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200609211847.27366-1-sboyd@kernel.org
 2020-06-09 14:22:14 -07:00
Colin Ian King 45edc7e274 clk: baikal-t1: remove redundant assignment to variable 'divider' 
The variable divider is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200602172435.70282-1-colin.king@canonical.com
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2020-06-09 13:45:37 -07:00
Colin Ian King 8ae91d36ac clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible" 
There is a spelling mistake in a pr_err error message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200602121030.39132-1-colin.king@canonical.com
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2020-06-09 13:45:26 -07:00
Lubomir Rintel 30b239686b dt-bindings: clock: Add a missing include to MMP Audio Clock binding 
The include file for input clock in the example was missing, breaking the
validation.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reported-by: Rob Herring <robh+dt@kernel.org>
Link: https://lore.kernel.org/r/20200605065258.567858-1-lkundrak@v3.sk
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2020-06-09 13:45:09 -07:00
Arnd Bergmann 751ad34fba Input: adi - work around module name confict 
Making module name conflicts a fatal error breaks sparc64 allmodconfig:

Error log:
error: the following would cause module name conflict:
  drivers/char/adi.ko
  drivers/input/joystick/adi.ko

Renaming one of the modules would solve the problem, but then cause other
problems because neither of them is automatically loaded and changing
the name is likely to break any setup that relies on manually loading
it by name.

As there is probably no sparc64 system with this kind of ancient joystick
attached, work around it by adding a Kconfig dependency that forbids
them from both being modules.  It is still possible to build the joystick
driver if the sparc64 adi driver is built-in.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200609100643.1245061-1-arnd@arndb.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2020-06-09 12:53:49 -07:00
Linus Torvalds 42612e7763 f2fs-for-5.8-rc1 
In this round, we've added some knobs to enhance compression feature and harden
 testing environment. In addition, we've fixed several bugs reported from Android
 devices such as long discarding latency, device hanging during quota_sync, etc.
 
 Enhancement:
 - support lzo-rle algorithm
 - add two ioctls to release and reserve blocks for compression
 - support partial truncation/fiemap on compressed file
 - introduce sysfs entries to attach IO flags explicitly
 - add iostat trace point along with read io stat
 
 Bug fix:
 - fix long discard latency
 - flush quota data by f2fs_quota_sync correctly
 - fix to recover parent inode number for power-cut recovery
 - fix lz4/zstd output buffer budget
 - parse checkpoint mount option correctly
 - avoid inifinite loop to wait for flushing node/meta pages
 - manage discard space correctly
 
 And some refactoring and clean up patches were added.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAl7fojgACgkQQBSofoJI
 UNKaZQ//Rd6r7Z25SJkAoy+y/m6QDaKg4Ap1wR6+QmirR7HNxtpr3dXSVvmj4Xhu
 ZDJ3LHmerFiwR/X4zFPud+PAoBe3gJa2k7GT8q0g4YkgLy0hfX9PXt0t3I9F8vlk
 8m34j+hQaL9/3FBK4/PSG541vR/UUnwvu6t2pJMnz7rgnLej5I6yOIaoaihz7m+i
 k0ofK5ckuTNcZReAZ2tCIehQku7tDOBLdS5KxvBZBgRh0i5iSXXIa4ddvaMJdT/M
 WcjTZ6N8bFu0hCZ5hz9dyGGYo1XchQosLdLGhcEugsyxNp9Yuftyf5/Ie1wJNiEl
 ZsoRc15X7wfRPKKMMyDFljzPBPFiHr78p30uJ34bcYCu0j0CYi+gbKQztmEMZ2dy
 9M+sDG3jd5R7ACXrwS2ElSEDyLBnTaxbeSdCpErGjn/U19TLllbzhnMA9KR9elDI
 pEWgRc7DPmPbRZaStXMxIamf7pbmUSm0akAYbzGFvMHcSx4MXuQFICGK9t/mhSDm
 sO2b1Ir39yk65sVNdjFsnqDsi6jTPgrLSe3FY4eMhkn15OSiVGhcz7ddQMD7Fbuq
 WLpHFqER650I28i0EXh8bxzjkrj+aJQKhGcVbmwVS33MtKVfBdh4GfQMvS6MbeOM
 MsZ10E7Dr9ildKxqHP5SgLlggkl512lpj3+d6j0mUSSSUP2jtUw=
 =MiEC
 -----END PGP SIGNATURE-----

Merge tag 'f2fs-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've added some knobs to enhance compression feature
  and harden testing environment. In addition, we've fixed several bugs
  reported from Android devices such as long discarding latency, device
  hanging during quota_sync, etc.

  Enhancements:
   - support lzo-rle algorithm
   - add two ioctls to release and reserve blocks for compression
   - support partial truncation/fiemap on compressed file
   - introduce sysfs entries to attach IO flags explicitly
   - add iostat trace point along with read io stat

  Bug fixes:
   - fix long discard latency
   - flush quota data by f2fs_quota_sync correctly
   - fix to recover parent inode number for power-cut recovery
   - fix lz4/zstd output buffer budget
   - parse checkpoint mount option correctly
   - avoid inifinite loop to wait for flushing node/meta pages
   - manage discard space correctly

  And some refactoring and clean up patches were added"

* tag 'f2fs-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits)
  f2fs: attach IO flags to the missing cases
  f2fs: add node_io_flag for bio flags likewise data_io_flag
  f2fs: remove unused parameter of f2fs_put_rpages_mapping()
  f2fs: handle readonly filesystem in f2fs_ioc_shutdown()
  f2fs: avoid utf8_strncasecmp() with unstable name
  f2fs: don't return vmalloc() memory from f2fs_kmalloc()
  f2fs: fix retry logic in f2fs_write_cache_pages()
  f2fs: fix wrong discard space
  f2fs: compress: don't compress any datas after cp stop
  f2fs: remove unneeded return value of __insert_discard_tree()
  f2fs: fix wrong value of tracepoint parameter
  f2fs: protect new segment allocation in expand_inode_data
  f2fs: code cleanup by removing ifdef macro surrounding
  f2fs: avoid inifinite loop to wait for flushing node pages at cp_error
  f2fs: flush dirty meta pages when flushing them
  f2fs: fix checkpoint=disable:%u%%
  f2fs: compress: fix zstd data corruption
  f2fs: add compressed/gc data read IO stat
  f2fs: fix potential use-after-free issue
  f2fs: compress: don't handle non-compressed data in workqueue
  ...
 2020-06-09 11:28:59 -07:00
Linus Torvalds ad57a1022f Description for this pull request: 
* Bug fixes
   - Fix memory leak on mount failure with iocharset= option.
   - Fix Incorrect update of stream entry.
   - Fix cluster range validation error.
 
 * Clean-up codes
   - Remove unused code and unneeded assignment.
   - Rename variables in exfat structure as specification.
   - Reorganize boot sector analysis code.
   - Simplify exfat_utf8_d_hash and exfat_utf8_d_cmp().
   - Optimize exfat entry cache functions.
   - Improve wording of EXFAT_DEFAULT_IOCHARSET config option.
 
 * New Feature
   - Add boot region verification.
 -----BEGIN PGP SIGNATURE-----
 
 iQJMBAABCgA2FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAl7fQBwYHG5hbWphZS5q
 ZW9uQHNhbXN1bmcuY29tAAoJEGcL+wNRRCEIyWMP/2CqlryPilKiXj/C2n9r2s5O
 7NNABC7xhyILk9fGz/mUOGohqBQXNNbZUDS17m2xbygw3vkXYN72ejDb/1DLVU8E
 LsYd85Pj8l7kMnOmjXKNLetoql1S3nm19PgIB7GYNI/BfeBFXcyxQdOTOlwq28w7
 PkfnWhnvnIxTfbTJj6EFB5tPYDycpm32LiUSQqsAmy2i0pC9WY6w4PnJz/c8wiqe
 +LZkLtZ1blGSKLY6C1FotVi7OmjiRWm0e+sdPE/Rsaxb/nnL/S7Nt03GPHZMkGxm
 eVq5MBUadQAr61duIWKcF7dFUmqqVTAO/bgYrxB4ljd/1j1lwWwZjD7iLnbsOfOy
 +Go5NsDoLEySKp7JSkLJ8S6mdKsAyAf4TK8diZlIGGfF7jV6puo3h9yDk0e6U0/G
 E613f60O5bymQWe9STLiJwMo65M7rjzuT3WUcTFuf58LqS6UR+ngq089V4lV720N
 USxZu7wtO5m0j5feXY72x6E/xaL1wqbMuHr0defQZ9CN8JZKCRtthletjI8TVDOZ
 hxIASZacQdWkWBL4mCs3lmaflSaD32J7RxPSqnQHMxrB6UVh9lT97rQBGGnbyRyL
 2Hqwe8cUk/ki6fOmpNvyIUh01S+wtgVGuAAEoKPEIKGmDw1KeAGXOpVX1NPcbZWT
 s7HTy7H3SfAnNAED8+Ct
 =Dgtx
 -----END PGP SIGNATURE-----

Merge tag 'exfat-for-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat update from Namjae Jeon:
 "Bug fixes:
   - Fix memory leak on mount failure with iocharset= option
   - Fix incorrect update of stream entry
   - Fix cluster range validation error

  Clean-ups:
   - Remove unused code and unneeded assignment
   - Rename variables in exfat structure as specification
   - Reorganize boot sector analysis code
   - Simplify exfat_utf8_d_hash and exfat_utf8_d_cmp()
   - Optimize exfat entry cache functions
   - Improve wording of EXFAT_DEFAULT_IOCHARSET config option

 New Feature:
   - Add boot region verification"

* tag 'exfat-for-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: Fix potential use after free in exfat_load_upcase_table()
  exfat: fix range validation error in alloc and free cluster
  exfat: fix incorrect update of stream entry in __exfat_truncate()
  exfat: fix memory leak in exfat_parse_param()
  exfat: remove unnecessary reassignment of p_uniname->name_len
  exfat: standardize checksum calculation
  exfat: add boot region verification
  exfat: separate the boot sector analysis
  exfat: redefine PBR as boot_sector
  exfat: optimize dir-cache
  exfat: replace 'time_ms' with 'time_cs'
  exfat: remove the assignment of 0 to bool variable
  exfat: Remove unused functions exfat_high_surrogate() and exfat_low_surrogate()
  exfat: Simplify exfat_utf8_d_hash() for code points above U+FFFF
  exfat: Improve wording of EXFAT_DEFAULT_IOCHARSET config option
  exfat: Use a more common logging style
  exfat: Simplify exfat_utf8_d_cmp() for code points above U+FFFF
 2020-06-09 11:24:59 -07:00
Linus Torvalds 3beff76b54 x86: use proper parentheses around new uaccess macro argument uses 
__get_kernel_nofault() didn't have the parentheses around the use of
'src' and 'dst' macro arguments, making the casts potentially do the
wrong thing.

The parentheses aren't necessary with the current very limited use in
mm/access.c, but it's bad form, and future use-cases might have very
unexpected errors as a result.

Do the same for unsafe_copy_loop() while at it, although in that case it
is an entirely internal x86 uaccess helper macro that isn't used
anywhere else and any other use would be invalid anyway.

Fixes: fa94111d94 ("x86: use non-set_fs based maccess routines")
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-09 10:39:33 -07:00
David Howells c68421bbad afs: Make afs_zap_data() static 
Make afs_zap_data() static as it's only used in the file in which it is
defined.

Signed-off-by: David Howells <dhowells@redhat.com>
 2020-06-09 18:17:14 +01:00
David Howells 4a06fa5403 afs: Remove afs_zero_fid as it's not used 
Remove afs_zero_fid as it's not used.

Signed-off-by: David Howells <dhowells@redhat.com>
 2020-06-09 18:17:14 +01:00
David Howells fed79fd783 afs: Fix debugging statements with %px to be %p 
Fix a couple of %px to be %p in debugging statements.

Fixes: e49c7b2f6d ("afs: Build an abstraction around an "operation" concept")
Fixes: 8a070a9648 ("afs: Detect cell aliases 1 - Cells with root volumes")
Reported-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
 2020-06-09 18:17:14 +01:00
Linus Torvalds d1e521adad Tracing updates for 5.8: 
No new features this release. Mostly clean ups, restructuring and
 documentation.
 
  - Have ftrace_bug() show ftrace errors before the WARN, as the WARN will
    reboot the box before the error messages are printed if panic_on_warn
    is set.
 
  - Have traceoff_on_warn disable tracing sooner (before prints)
 
  - Write a message to the trace buffer that its being disabled when
    disable_trace_on_warning() is set.
 
  - Separate out synthetic events from histogram code to let it be used by
    other parts of the kernel.
 
  - More documentation on histogram design.
 
  - Other small fixes and clean ups.
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCXt+LEhQccm9zdGVkdEBn
 b29kbWlzLm9yZwAKCRAp5XQQmuv6qj2zAP9sD/W4jafYayucj+MvRP7sy+Q0iAH7
 WMn8fkk958cgfQD8D1QFtkkx+3O3TRT6ApGf11w5+JgSWUE2gSbW9H4fPQk=
 =X5t4
 -----END PGP SIGNATURE-----

Merge tag 'trace-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "No new features this release. Mostly clean ups, restructuring and
  documentation.

   - Have ftrace_bug() show ftrace errors before the WARN, as the WARN
     will reboot the box before the error messages are printed if
     panic_on_warn is set.

   - Have traceoff_on_warn disable tracing sooner (before prints)

   - Write a message to the trace buffer that its being disabled when
     disable_trace_on_warning() is set.

   - Separate out synthetic events from histogram code to let it be used
     by other parts of the kernel.

   - More documentation on histogram design.

   - Other small fixes and clean ups"

* tag 'trace-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Remove obsolete PREEMPTIRQ_EVENTS kconfig option
  tracing/doc: Fix ascii-art in histogram-design.rst
  tracing: Add a trace print when traceoff_on_warning is triggered
  ftrace,bug: Improve traceoff_on_warn
  selftests/ftrace: Distinguish between hist and synthetic event checks
  tracing: Move synthetic events to a separate file
  tracing: Fix events.rst section numbering
  tracing/doc: Fix typos in histogram-design.rst
  tracing: Add hist_debug trace event files for histogram debugging
  tracing: Add histogram-design document
  tracing: Check state.disabled in synth event trace functions
  tracing/probe: reverse arguments to list_add
  tools/bootconfig: Add a summary of test cases and return error
  ftrace: show debugging information when panic_on_warn set
 2020-06-09 10:06:18 -07:00
Linus Torvalds 595a56ac1b linux-kselftest-kunit-5.8-rc1 
This Kunit update for Linux 5.8-rc1 consists of:
 
 - Several config fragment fixes from Anders Roxell to improve
   test coverage.
 - Improvements to kunit run script to use defconfig as default and
   restructure the code for config/build/exec/parse from Vitor Massaru Iha
   and David Gow.
 - Miscellaneous documentation warn fix.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl7etrcACgkQCwJExA0N
 QxzGYg/+KHpPhB31IAjNFKCRqwDooftst3dohhzguxJLpDHdEmVJ4moQhLr4gL+/
 qpi3T9hr4Rx++n/A5NoxDvyJvGr+FAL40U+Of7F2UyHpqQmfKPj37I+yvyeR1JEL
 z4+yXEpfQLZaQkmZ7f3GWHyqN3+xwvyTEy7NYUad7xMxLF/99No+I6RMD6yp3srS
 wUUeuBIesSFT0LXYrgI+wgsNGUESlj/McjiP5eMj6UtlMgKpzmfzH56Fia8uw1pw
 6QtpntxDHjtxVfp8YKM4qExI54YI2t6sgHTIoOUsMWD5Q2kHd8kNf1L+lb1sKYUF
 j7lzol5nuqqchAVQYjHzNHa8XKndvexGyWMsPz1gAnkpgVrvBTSFcavdDpDuDZ0T
 HoJZnk9XPsguBQjDxapzPYfAQ81Un/rEmZQ8/X2TaNjdSIH1hHljhaP2OZ6eND/Q
 iobq9x8nC9D95TIqjDbRw3Sp2na/pZLN8Gp27hmKlc+L1XzV8NuZe/WGOUe3lsrq
 fG1ZSLo/iRau8gHuF6fRSrGIzQSCEMGKl3jlQ28OT9HGMAgTlncEwVzQId48/AsS
 UOY+bIAnRZuK+B5F/vw6L3o1e3c17z5bruVlb0M0alP5b7P9/3WLNHsHA3r8haZF
 F6PwIWu41wdRjJf2HI7zD5LaQe/7oU3jfwvuA7n2z8Py+zGx7m4=
 =S+HY
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-kunit-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kunit updates from Shuah Khan:
 "This consists of:

   - Several config fragment fixes from Anders Roxell to improve test
     coverage.

   - Improvements to kunit run script to use defconfig as default and
     restructure the code for config/build/exec/parse from Vitor Massaru
     Iha and David Gow.

   - Miscellaneous documentation warn fix"

* tag 'linux-kselftest-kunit-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  security: apparmor: default KUNIT_* fragments to KUNIT_ALL_TESTS
  fs: ext4: default KUNIT_* fragments to KUNIT_ALL_TESTS
  drivers: base: default KUNIT_* fragments to KUNIT_ALL_TESTS
  lib: Kconfig.debug: default KUNIT_* fragments to KUNIT_ALL_TESTS
  kunit: default KUNIT_* fragments to KUNIT_ALL_TESTS
  kunit: Kconfig: enable a KUNIT_ALL_TESTS fragment
  kunit: Fix TabError, remove defconfig code and handle when there is no kunitconfig
  kunit: use KUnit defconfig by default
  kunit: use --build_dir=.kunit as default
  Documentation: test.h - fix warnings
  kunit: kunit_tool: Separate out config/build/exec/parse
 2020-06-09 10:04:47 -07:00
Linus Torvalds fc2fb38c85 linux-kselftest-5.8-rc1 
This Kselftest update for Linux 5.8-rc1 consists of:
 
 - Several fixes from Masami Hiramatsu to improve coverage for
   lib and sysctl tests.
 - Clean up to vdso test and a new test for getcpu() from Mark Brown.
 - Add new gen_tar selftests Makefile target generate selftest package
   running "make gen_tar" in selftests directory from Veronika Kabatova.
 - Other miscellaneous fixes to timens, exec, tpm2 tests.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl7ernMACgkQCwJExA0N
 QxzgRg/+PYwHxTtKYX2VyQ533oTUXMdTAW8el8M72/ngRBRJMtkjYu9Jc5PfAaP9
 vsyDrC8Kz6D3Nw0Gf+nH2LFJ2hJs0OooBb4HqouAyyNitXGkSiyGb6+1ICmW0Ro8
 NIlwCYrIuoPUKS9ivRoKs0Vsnt0xh12asTlEwUPEEjmvE7Jf+6eoWIExu7i3nSnc
 symOpc3ElCXex4AlRIMI07naQqlT7rtOSQMDpjEXzMMW4rKMlgO8dFCvLkZQh/lj
 gUt45W9vF/Sem6a9jRMPrb8vEGkC2WURNsUVbl4JUbKp8vAXr5bYUD9CMXNdK6r2
 o241nNScjr9RkZoN94DtXfcQbpwnvnhomJzqe/BgKVhfROhv4xf6fdvkxnAMYeXD
 J/szKvLkKkvZ5O19rBqEUCXxYdiSgFOAgHOvnUKfjKKvhMrTQ//3r8L4K6qv489A
 PAyoLuu8GjEVxX2dISB01ASwHeEUTZ6uF2wsu5i2dVWfTAIIpeL2Xnjsa+WmIcH7
 iwBI/2RCuIeC3hViwGKuiSKaN70E/rgXcKO8jxnsF/2+hZnCuMg1D7PJLdIomJjI
 6EiPukLGkZxJcHK2kdJSXIR0elEZ4pH7kweanIDPTxDiUqGwK7ZAFrA2feDJ11Iz
 dye9uC7sjGh27FRbVvoDvZ9659SZ1cqYS+wRcTkPx3K1wS1kuZI=
 =IB5c
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:
 "This consists of:

   - Several fixes from Masami Hiramatsu to improve coverage for lib and
     sysctl tests.

   - Clean up to vdso test and a new test for getcpu() from Mark Brown.

   - Add new gen_tar selftests Makefile target generate selftest package
     running "make gen_tar" in selftests directory from Veronika
     Kabatova.

   - Other miscellaneous fixes to timens, exec, tpm2 tests"

* tag 'linux-kselftest-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/sysctl: Make sysctl test driver as a module
  selftests/sysctl: Fix to load test_sysctl module
  lib: Make test_sysctl initialized as module
  lib: Make prime number generator independently selectable
  selftests/ftrace: Return unsupported if no error_log file
  selftests/ftrace: Use printf for backslash included command
  selftests/timens: handle a case when alarm clocks are not supported
  Kernel selftests: Add check if TPM devices are supported
  selftests: vdso: Add a selftest for vDSO getcpu()
  selftests: vdso: Use a header file to prototype parse_vdso API
  selftests: vdso: Rename vdso_test to vdso_test_gettimeofday
  selftests/exec: Verify execve of non-regular files fail
  selftests: introduce gen_tar Makefile target
 2020-06-09 10:03:12 -07:00
Linus Torvalds a5ad5742f6 Merge branch 'akpm' (patches from Andrew) 
Merge even more updates from Andrew Morton:

 - a kernel-wide sweep of show_stack()

 - pagetable cleanups

 - abstract out accesses to mmap_sem - prep for mmap_sem scalability work

 - hch's user acess work

Subsystems affected by this patch series: debug, mm/pagemap, mm/maccess,
mm/documentation.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (93 commits)
  include/linux/cache.h: expand documentation over __read_mostly
  maccess: return -ERANGE when probe_kernel_read() fails
  x86: use non-set_fs based maccess routines
  maccess: allow architectures to provide kernel probing directly
  maccess: move user access routines together
  maccess: always use strict semantics for probe_kernel_read
  maccess: remove strncpy_from_unsafe
  tracing/kprobes: handle mixed kernel/userspace probes better
  bpf: rework the compat kernel probe handling
  bpf:bpf_seq_printf(): handle potentially unsafe format string better
  bpf: handle the compat string in bpf_trace_copy_string better
  bpf: factor out a bpf_trace_copy_string helper
  maccess: unify the probe kernel arch hooks
  maccess: remove probe_read_common and probe_write_common
  maccess: rename strnlen_unsafe_user to strnlen_user_nofault
  maccess: rename strncpy_from_unsafe_strict to strncpy_from_kernel_nofault
  maccess: rename strncpy_from_unsafe_user to strncpy_from_user_nofault
  maccess: update the top of file comment
  maccess: clarify kerneldoc comments
  maccess: remove duplicate kerneldoc comments
  ...
 2020-06-09 09:54:46 -07:00
Oleg Nesterov 013b2deba9 uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned 
uprobe_write_opcode() must not cross page boundary; prepare_uprobe()
relies on arch_uprobe_analyze_insn() which should validate "vaddr" but
some architectures (csky, s390, and sparc) don't do this.

We can remove the BUG_ON() check in prepare_uprobe() and validate the
offset early in __uprobe_register(). The new IS_ALIGNED() check matches
the alignment check in arch_prepare_kprobe() on supported architectures,
so I think that all insns must be aligned to UPROBE_SWBP_INSN_SIZE.

Another problem is __update_ref_ctr() which was wrong from the very
beginning, it can read/write outside of kmap'ed page unless "vaddr" is
aligned to sizeof(short), __uprobe_register() should check this too.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Sven Schnelle <svens@linux.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-09 09:49:24 -07:00
Luis Chamberlain 4fa7252338 include/linux/cache.h: expand documentation over __read_mostly 
__read_mostly can easily be misused by folks, its not meant for just
read-only data.  There are performance reasons for using it, but we also
don't provide any guidance about its use.  Provide a bit more guidance
over its use.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: Rafael Aquini <aquini@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Matthew Wilcox <willy@infradead.org>
Link: http://lkml.kernel.org/r/20200507161424.2584-1-mcgrof@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-09 09:39:16 -07:00
Christoph Hellwig 2a71e81d32 maccess: return -ERANGE when probe_kernel_read() fails 
Allow the callers to distinguish a real unmapped address vs a range
that can't be probed.

Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20200521152301.2587579-24-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2020-06-09 09:39:16 -07:00