Commit Graph

834926 Commits

Author SHA1 Message Date
Linus Torvalds
a2d635decb drm pull request for 5.2
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Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This has two exciting community drivers for ARM Mali accelerators.
  Since ARM has never been open source friendly on the GPU side of the
  house, the community has had to create open source drivers for the
  Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
  series. Well done to all involved and hopefully this will help ARM
  head in the right direction.

  There is also now the ability if you don't have any of the legacy
  drivers enabled (pre-KMS) to remove all the pre-KMS support code from
  the core drm, this saves 10% or so in codesize on my machine.

  i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
  moves out of staging.

  There are also some rcar-du patches which crossover with media tree
  but all should be acked by Mauro.

  Summary:

  uapi changes:
   - Colorspace connector property
   - fourcc - new YUV formts
   - timeline sync objects initially merged
   - expose FB_DAMAGE_CLIPS to atomic userspace

  new drivers:
   - vboxvideo: moved out of staging
   - aspeed: ASPEED SoC BMC chip display support
   - lima: ARM Mali4xx GPU acceleration driver support
   - panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support

  core:
   - component helper docs
   - unplugging fixes
   - devm device init
   - MIPI/DSI rate control
   - shmem backed gem objects
   - connector, display_info, edid_quirks cleanups
   - dma_buf fence chain support
   - 64-bit dma-fence seqno comparison fixes
   - move initial fb config code to core
   - gem fence array helpers for Lima
   - ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
   - lease fixes

  ttm:
   - unified DRM_FILE_PAGE_OFFSET handling
   - Account for kernel allocations in kernel zone only

  panel:
   - OSD070T1718-19TS panel support
   - panel-tpo-td028ttec1 backlight support
   - Ronbo RB070D30 MIPI/DSI
   - Feiyang FY07024DI26A30-D MIPI-DSI panel
   - Rocktech jh057n00900 MIPI-DSI panel

  i915:
   - Comet Lake (Gen9) PCI IDs
   - Updated Icelake PCI IDs
   - Elkhartlake (Gen11) support
   - DP MST property addtions
   - plane and watermark fixes
   - Icelake port sync and VEBOX disable fixes
   - struct_mutex usage reduction
   - Icelake gamma fix
   - GuC reset fixes
   - make mmap more asynchronous
   - sound display power well race fixes
   - DDI/MIPI-DSI clocks for Icelake
   - Icelake RPS frequency changing support
   - Icelake workarounds

  amdgpu:
   - Use HMM for userptr
   - vega20 experimental smu11 support
   - RAS support for vega20
   - BACO support for vega12 + fixes for vega20
   - reworked IH interrupt handling
   - amdkfd RAS support
   - Freesync improvements
   - initial timeline sync object support
   - DC Z ordering fixes
   - NV12 planes support
   - colorspace properties for planes=
   - eDP opts if eDP already initialized

  nouveau:
   - misc fixes

  etnaviv:
   - misc fixes

  msm:
   - GPU zap shader support expansion
   - robustness ABI addition

  exynos:
   - Logging cleanups

  tegra:
   - Shared reset fix
   - CPU cache maintenance fix

  cirrus:
   - driver rewritten using simple helpers

  meson:
   - G12A support

  vmwgfx:
   - Resource dirtying management improvements
   - Userspace logging improvements

  virtio:
   - PRIME fixes

  rockchip:
   - rk3066 hdmi support

  sun4i:
   - DSI burst mode support

  vc4:
   - load tracker to detect underflow

  v3d:
   - v3d v4.2 support

  malidp:
   - initial Mali D71 support in komeda driver

  tfp410:
   - omap related improvement

  omapdrm:
   - drm bridge/panel support
   - drop some omap specific panels

  rcar-du:
   - Display writeback support"

* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
  drm/msm/a6xx: No zap shader is not an error
  drm/cma-helper: Fix drm_gem_cma_free_object()
  drm: Fix timestamp docs for variable refresh properties.
  drm/komeda: Mark the local functions as static
  drm/komeda: Fixed warning: Function parameter or member not described
  drm/komeda: Expose bus_width to Komeda-CORE
  drm/komeda: Add sysfs attribute: core_id and config_id
  drm: add non-desktop quirk for Valve HMDs
  drm/panfrost: Show stored feature registers
  drm/panfrost: Don't scream about deferred probe
  drm/panfrost: Disable PM on probe failure
  drm/panfrost: Set DMA masks earlier
  drm/panfrost: Add sanity checks to submit IOCTL
  drm/etnaviv: initialize idle mask before querying the HW db
  drm: introduce a capability flag for syncobj timeline support
  drm: report consistent errors when checking syncobj capibility
  drm/nouveau/nouveau: forward error generated while resuming objects tree
  drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
  drm/nouveau/i2c: Disable i2c bus access after ->fini()
  drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
  ...
2019-05-08 21:35:19 -07:00
Linus Torvalds
89c3b37af8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
Pull IDE update from David Miller:
 "Finally deprecate the legacy IDE layer"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
  ide: officially deprecated the legacy IDE driver
2019-05-08 21:14:17 -07:00
Dave Airlie
eb85d03e01 - A handful of fixes from -next that just missed feature freeze
- More panfrost fixes that went directly in -misc-next-fixes (various)
 - Fix searchpaths during build (Masahiro)
 - msm patch to fix the driver for chips without zap shader (Rob)
 - Fix freeing imported buffers in drm_gem_cma_free_object() (Noralf)
 
 Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
 Cc: Rob Clark <robdclark@chromium.org>
 Cc: Noralf Trønnes <noralf@tronnes.org>
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Merge tag 'drm-misc-next-fixes-2019-05-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

- A handful of fixes from -next that just missed feature freeze
- More panfrost fixes that went directly in -misc-next-fixes (various)
- Fix searchpaths during build (Masahiro)
- msm patch to fix the driver for chips without zap shader (Rob)
- Fix freeing imported buffers in drm_gem_cma_free_object() (Noralf)

Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Rob Clark <robdclark@chromium.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190508205153.GA91135@art_vandelay
2019-05-09 11:04:00 +10:00
Dave Airlie
f2e8d169b2 Merge branch 'for-upstream/mali-dp' of git://linux-arm.org/linux-ld into drm-next
This is the 2nd pull request for the malidp-next. The new patches add
additional support for Arm Mali D71 so that it can now be enabled
correctly and brought up on any SoC that contains the IP. From now on
we will start focusing on adding writeback, scaling and other useful
features to bring the driver to the same level of maturity as mali-dp.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Liviu Dudau <Liviu.Dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507103712.GJ15144@e110455-lin.cambridge.arm.com
2019-05-09 10:43:52 +10:00
Christoph Hellwig
7ad19a99ad ide: officially deprecated the legacy IDE driver
After a recent chat with Dave we agreed to try to finally kill off the
legacy IDE code base.  Set a two year grace period in which we try
to move everyone over.  There are a few pieces of hardware not
supported by libata yet, but for many of them we aren't even sure
if there are any users.  For those that have users we have usually
found a volunteer to add libata support.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-08 16:47:23 -07:00
Linus Torvalds
92fab77b6b Main MIPS changes for v5.2:
- A set of memblock initialization improvements thanks to Serge Semin,
   tidying up after our conversion from bootmem to memblock back in
   v4.20.
 
 - Our eBPF JIT the previously supported only MIPS64r2 through MIPS64r5
   is improved to also support MIPS64r6. Support for MIPS32 systems is
   introduced, with the caveat that it only works for programs that don't
   use 64 bit registers or operations - those will bail out & need to be
   interpreted.
 
 - Improvements to the allocation & configuration of our exception vector
   that should fix issues seen on some platforms using recent versions of
   U-Boot.
 
 - Some minor improvements to code generated for jump labels, along with
   enabling them by default for generic kernels.
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Merge tag 'mips_5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Paul Burton:

 - A set of memblock initialization improvements thanks to Serge Semin,
   tidying up after our conversion from bootmem to memblock back in
   v4.20.

 - Our eBPF JIT the previously supported only MIPS64r2 through MIPS64r5
   is improved to also support MIPS64r6. Support for MIPS32 systems is
   introduced, with the caveat that it only works for programs that
   don't use 64 bit registers or operations - those will bail out & need
   to be interpreted.

 - Improvements to the allocation & configuration of our exception
   vector that should fix issues seen on some platforms using recent
   versions of U-Boot.

 - Some minor improvements to code generated for jump labels, along with
   enabling them by default for generic kernels.

* tag 'mips_5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (27 commits)
  mips: Manually call fdt_init_reserved_mem() method
  mips: Make sure dt memory regions are valid
  mips: Perform early low memory test
  mips: Dump memblock regions for debugging
  mips: Add reserve-nomap memory type support
  mips: Use memblock to reserve the __nosave memory range
  mips: Discard post-CMA-init foreach loop
  mips: Reserve memory for the kernel image resources
  MIPS: Remove duplicate EBase configuration
  MIPS: Sync icache for whole exception vector
  MIPS: Always allocate exception vector for MIPSr2+
  MIPS: Use memblock_phys_alloc() for exception vector
  mips: Combine memblock init and memory reservation loops
  mips: Discard rudiments from bootmem_init
  mips: Make sure kernel .bss exists in boot mem pool
  mips: vdso: drop unnecessary cc-ldoption
  Revert "MIPS: ralink: fix cpu clock of mt7621 and add dt clk devices"
  MIPS: generic: Enable CONFIG_JUMP_LABEL
  MIPS: jump_label: Use compact branches for >= r6
  MIPS: jump_label: Remove redundant nops
  ...
2019-05-08 16:41:47 -07:00
Linus Torvalds
ef75bd71c5 We've got the following patches ready for this merge window:
"gfs2: Fix loop in gfs2_rbm_find (v2)"
 
   A rework of a fix we ended up reverting in 5.0 because of an iozone
   performance regression.
 
 "gfs2: read journal in large chunks" and
 "gfs2: fix race between gfs2_freeze_func and unmount"
 
   An improved version of a commit we also ended up reverting in 5.0
   because of a regression in xfstest generic/311.  It turns out that the
   journal changes were mostly innocent and that unfreeze didn't wait for
   the freeze to complete, which caused the filesystem to be unmounted
   before it was actually idle.
 
 "gfs2: Fix occasional glock use-after-free"
 "gfs2: Fix iomap write page reclaim deadlock"
 "gfs2: Fix lru_count going negative"
 
   Fixes for various problems reported and partially fixed by Citrix
   engineers.  Thank you very much.
 
 "gfs2: clean_journal improperly set sd_log_flush_head"
 
   Another fix from Bob.
 
 A few other minor cleanups.
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Merge tag 'gfs2-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull GFS2 updates from Andreas Gruenbacher:
 "We've got the following patches ready for this merge window:

   - "gfs2: Fix loop in gfs2_rbm_find (v2)"

      A rework of a fix we ended up reverting in 5.0 because of an
      iozone performance regression.

   - "gfs2: read journal in large chunks"
     "gfs2: fix race between gfs2_freeze_func and unmount"

      An improved version of a commit we also ended up reverting in 5.0
      because of a regression in xfstest generic/311. It turns out that
      the journal changes were mostly innocent and that unfreeze didn't
      wait for the freeze to complete, which caused the filesystem to be
      unmounted before it was actually idle.

   - "gfs2: Fix occasional glock use-after-free"
     "gfs2: Fix iomap write page reclaim deadlock"
     "gfs2: Fix lru_count going negative"

      Fixes for various problems reported and partially fixed by Citrix
      engineers. Thank you very much.

   - "gfs2: clean_journal improperly set sd_log_flush_head"

      Another fix from Bob.

   - .. and a few other minor cleanups"

* tag 'gfs2-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: read journal in large chunks
  gfs2: Fix iomap write page reclaim deadlock
  gfs2: fix race between gfs2_freeze_func and unmount
  gfs2: Rename gfs2_trans_{add_unrevoke => remove_revoke}
  gfs2: Rename sd_log_le_{revoke,ordered}
  gfs2: Remove unnecessary extern declarations
  gfs2: Remove misleading comments in gfs2_evict_inode
  gfs2: Replace gl_revokes with a GLF flag
  gfs2: Fix occasional glock use-after-free
  gfs2: clean_journal improperly set sd_log_flush_head
  gfs2: Fix lru_count going negative
  gfs2: Fix loop in gfs2_rbm_find (v2)
2019-05-08 13:16:07 -07:00
Linus Torvalds
78d9affbb0 CIFS/SMB3 changes, three for stable, adds fiemap support, improves zero-range support, and includes various RDMA (smb direct fixes)
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Merge tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "CIFS/SMB3 changes:

   - three fixes for stable

   - add fiemap support

   - improve zero-range support

   - various RDMA (smb direct fixes)

  I have an additional set of fixes (for improved handling of sparse
  files, mode bits, POSIX extensions) that are still being tested that
  are not included in this pull request but I expect to send in the next
  week"

* tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6: (29 commits)
  cifs: update module internal version number
  SMB3: Clean up query symlink when reparse point
  cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
  Negotiate and save preferred compression algorithms
  cifs: rename and clarify CIFS_ASYNC_OP and CIFS_NO_RESP
  cifs: fix credits leak for SMB1 oplock breaks
  smb3: Add protocol structs for change notify support
  cifs: fix smb3_zero_range for Azure
  cifs: zero-range does not require the file is sparse
  Add new flag on SMB3.1.1 read
  cifs: add fiemap support
  SMB3: Add defines for new negotiate contexts
  cifs: fix bi-directional fsctl passthrough calls
  cifs: smbd: take an array of reqeusts when sending upper layer data
  SMB3: Add handling for different FSCTL access flags
  cifs: Add support for FSCTL passthrough that write data to the server
  cifs: remove superfluous inode_lock in cifs_{strict_}fsync
  cifs: Call MID callback before destroying transport
  cifs: smbd: Retry on memory registration failure
  cifs: smbd: Indicate to retry on transport sending failure
  ...
2019-05-08 13:06:18 -07:00
Rob Clark
15273ffd7e drm/msm/a6xx: No zap shader is not an error
Depending on platform firmware, a zap shader may not be required to take
the GPU out of secure mode on boot, in which case we can just write
RBBM_SECVID_TRUST_CNTL directly.  Which we *mostly* handled, but missed
clearing 'ret' resulting that hw_init() returned an error on these
devices.

Fixes: abccb9fe32 ("drm/msm/a6xx: Add zap shader load")
Acked-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190508130726.27557-1-robdclark@gmail.com
2019-05-08 16:00:54 -04:00
Linus Torvalds
8c79f4cd44 A reasonably busy cycle for docs, including:
- Lots of work on the Chinese and Italian translations
  - Some license-rules clarifications from Christoph
  - Various build-script fixes
  - A new document on memory models
  - RST conversion of the live-patching docs
  - The usual collection of typo fixes and corrections.
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Merge tag 'docs-5.2' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "A reasonably busy cycle for docs, including:

   - Lots of work on the Chinese and Italian translations

   - Some license-rules clarifications from Christoph

   - Various build-script fixes

   - A new document on memory models

   - RST conversion of the live-patching docs

   - The usual collection of typo fixes and corrections"

* tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits)
  docs/livepatch: Unify style of livepatch documentation in the ReST format
  docs: livepatch: convert docs to ReST and rename to *.rst
  scripts/documentation-file-ref-check: detect broken :doc:`foo`
  scripts/documentation-file-ref-check: don't parse Next/ dir
  LICENSES: Rename other to deprecated
  LICENSES: Clearly mark dual license only licenses
  docs: Don't reference the ZLib license in license-rules.rst
  docs/vm: Minor editorial changes in the THP and hugetlbfs
  docs/vm: add documentation of memory models
  doc:it_IT: translation alignment
  doc: fix typo in PGP guide
  dontdiff: update with Kconfig build artifacts
  docs/zh_CN: fix typos in 1.Intro.rst file
  docs/zh_CN: redirect CoC docs to Chinese version
  doc: mm: migration doesn't use FOLL_SPLIT anymore
  docs: doc-guide: remove the extension from .rst files
  doc: kselftest: Fix KBUILD_OUTPUT usage instructions
  docs: trace: fix some Sphinx warnings
  docs: speculation.txt: mark example blocks as such
  docs: ntb.txt: add blank lines to clean up some Sphinx warnings
  ...
2019-05-08 12:42:50 -07:00
Linus Torvalds
2646719a48 Kbuild updates for v5.2
- allow users to invoke 'make' out of the source tree
 
 - refactor scripts/mkmakefile
 
 - deprecate KBUILD_SRC, which was used to track the source tree
   location for O= build.
 
 - fix recordmcount.pl in case objdump output is localized
 
 - turn unresolved symbols in external modules to errors from warnings
   by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings
 
 - generate modules.builtin.modinfo to collect .modinfo data from
   built-in modules
 
 - misc Makefile cleanups
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Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - allow users to invoke 'make' out of the source tree

 - refactor scripts/mkmakefile

 - deprecate KBUILD_SRC, which was used to track the source tree
   location for O= build.

 - fix recordmcount.pl in case objdump output is localized

 - turn unresolved symbols in external modules to errors from warnings
   by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings

 - generate modules.builtin.modinfo to collect .modinfo data from
   built-in modules

 - misc Makefile cleanups

* tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits)
  .gitignore: add more all*.config patterns
  moduleparam: Save information about built-in modules in separate file
  Remove MODULE_ALIAS() calls that take undefined macro
  .gitignore: add leading and trailing slashes to generated directories
  scripts/tags.sh: fix direct execution of scripts/tags.sh
  scripts: override locale from environment when running recordmcount.pl
  samples: kobject: allow CONFIG_SAMPLE_KOBJECT to become y
  samples: seccomp: turn CONFIG_SAMPLE_SECCOMP into a bool option
  kbuild: move Documentation to vmlinux-alldirs
  kbuild: move samples/ to KBUILD_VMLINUX_OBJS
  modpost: make KBUILD_MODPOST_WARN also configurable for external modules
  kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build
  kbuild: remove unneeded dependency for include/config/kernel.release
  memory: squash drivers/memory/Makefile.asm-offsets
  kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build
  kbuild: mkmakefile: generate a simple wrapper of top Makefile
  kbuild: mkmakefile: do not check the generated Makefile marker
  kbuild: allow Kbuild to start from any directory
  kbuild: pass $(MAKECMDGOALS) to sub-make as is
  kbuild: fix warning "overriding recipe for target 'Makefile'"
  ...
2019-05-08 12:25:12 -07:00
Linus Torvalds
019d7316ea nolibc header update for 5.2-rc1 (RISCV support)
This single commit adds support for the RISCV architecture to the
 nolibc header file. Currently the file is only used by rcutorture but
 Pranith Kumar who contributed it would like to have this work merged.
 
 I only did some trivial tests to verify that it does not break x86,
 which I consider sufficient since all the code is cleanly enclosed
 inside a single #if/endif block.
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Merge tag 'nolibc-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/nolibc

Pull RISC-V nolibc header update from Willy Tarreau:
 "This single commit adds support for the RISCV architecture to the
  nolibc header file. Currently the file is only used by rcutorture but
  Pranith Kumar who contributed it would like to have this work merged.

  I only did some trivial tests to verify that it does not break x86,
  which I consider sufficient since all the code is cleanly enclosed
  inside a single #if/endif block"

* tag 'nolibc-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/nolibc:
  tool headers nolibc: add RISCV support
2019-05-08 12:18:44 -07:00
Linus Torvalds
ce45327ca0 arch/csky patches for 5.2-rc1
Here are the patches which made on 5.1-rc6 and all are tested in our
 buildroot gitlab CI:
 https://gitlab.com/c-sky/buildroot/pipelines/57892579
 
  - Fixup vdsp&fpu issues in kernel
  - Add dynamic function tracer
  - Use in_syscall & forget_syscall instead of r11_sig
  - Reconstruct signal processing
  - Support dynamic start physical address
  - Fixup wrong update_mmu_cache implementation
  - Support vmlinux bootup with MMU off
  - Use va_pa_offset instead of phys_offset
  - Fixup syscall_trace return processing flow
  - Add perf callchain support
  - Add perf_arch_fetch_caller_regs support
  - Add page fault perf event support
  - Add support for perf registers sampling
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Merge tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:

 - Fixup vdsp&fpu issues in kernel

 - Add dynamic function tracer

 - Use in_syscall & forget_syscall instead of r11_sig

 - Reconstruct signal processing

 - Support dynamic start physical address

 - Fixup wrong update_mmu_cache implementation

 - Support vmlinux bootup with MMU off

 - Use va_pa_offset instead of phys_offset

 - Fixup syscall_trace return processing flow

 - Add perf callchain support

 - Add perf_arch_fetch_caller_regs support

 - Add page fault perf event support

 - Add support for perf registers sampling

* tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux:
  csky/syscall_trace: Fixup return processing flow
  csky: Fixup compile warning
  csky: Add support for perf registers sampling
  csky: add page fault perf event support
  csky: Use va_pa_offset instead of phys_offset
  csky: Support vmlinux bootup with MMU off
  csky: Add perf_arch_fetch_caller_regs support
  csky: Fixup wrong update_mmu_cache implementation
  csky: Support dynamic start physical address
  csky: Reconstruct signal processing
  csky: Use in_syscall & forget_syscall instead of r11_sig
  csky: Add non-uapi asm/ptrace.h namespace
  csky: mm/fault.c: Remove duplicate header
  csky: remove redundant generic-y
  csky: Update syscall_trace_enter/exit implementation
  csky: Add perf callchain support
  csky/ftrace: Add dynamic function tracer (include graph tracer)
  csky: Fixup vdsp&fpu issues in kernel
2019-05-08 11:41:08 -07:00
Linus Torvalds
e7a1414f9d media updates for v5.1-rc1
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Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - remove the deprecated Zoran driver from staging

 - new I2C driver: ST MIPID02 CSI-2 camera bridge

 - new platform driver: Amlogic Meson AO CEC G12A Controller

 - add support for USB audio via the media controller

 - au0828 driver is now supported via the media controller on both on
   media and on usbaudio

 - new kernel test for the media device allocator

 - add support for stateless decoder at vicodec driver

 - lots of other driver improvements fixes and cleanups

* tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (218 commits)
  media: dt-bindings: aspeed-video: Add missing memory-region property
  media: platform: Aspeed: Make reserved memory optional
  media: platform: Aspeed: Remove use of reset line
  media: stm32-dcmi: return appropriate error codes during probe
  media: vsp1: Add support for missing 16-bit RGB555 formats
  media: vsp1: Add support for missing 16-bit RGB444 formats
  media: vsp1: Add support for missing 32-bit RGB formats
  media: v4l: Add definitions for missing 16-bit RGB555 formats
  media: v4l: Add definitions for missing 16-bit RGB4444 formats
  media: v4l: Add definitions for missing 32-bit RGB formats
  media: zoran: remove deprecated driver
  media: MAINTAINERS: Update AO CEC with ao-cec-g12a driver
  media: platform: meson: Add Amlogic Meson G12A AO CEC Controller driver
  media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible
  media: cros-ec-cec: decrement HDMI device refcount
  media: seco-cec: decrement HDMI device refcount
  media: tegra_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: stih_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: s5p_cec: use new cec_notifier_parse_hdmi_phandle helper
  media: meson: ao-cec: use new cec_notifier_parse_hdmi_phandle helper
  ...
2019-05-08 11:13:17 -07:00
Linus Torvalds
85c1a25494 Some minor cleanups for the IPMI driver.
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Merge tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Some minor cleanups for the IPMI driver"

* tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi:
  ipmi: Remove warning if no slave address is present
  ipmi:ssif: Only unregister the platform driver if it was registered
  ipmi:ssif: compare block number correctly for multi-part return messages
  ipmi: Add the i2c-addr property for SSIF interfaces
  char/ipmi: fix spelling mistake "receieved_messages" -> "received_messages"
  ipmi: avoid atomic_inc in exit function
  ipmi: Remove file from ipmi_file_private
  ipmi_si: remove an unused variable in try_smi_init()
  ipmi: Make ipmi_interfaces_srcu variable static
2019-05-08 10:34:17 -07:00
Linus Torvalds
fe460a6df6 Pin control changes for v5.2:
Nex drivers:
 - New driver for Bitmain BM1880 pin controller
 - New driver for Mediatek MT8516
 - New driver for Cirrus Logich Lochnagar PMIC pins
 
 Updates:
 - Incremental development on Renesas SH-PFC
 - Incremental development on Intel pin controller and some
   particular updates for Cedarfork.
 - Pin configuration support in Allwinner SunXi drivers
 - Suspend/resume support in the NXP/Freescale i.MX8MQ driver
 - Support for more packaging of the ST Micro STM32
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Merge tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "It is pretty calm and chill in pin control for the moment. Just
  incremental development.

  There is an odd patch to the Super-H architecture, it's coming from
  the maintainers so should be fine.

  Summary:

  New drivers:
   - Bitmain BM1880 pin controller
   - Mediatek MT8516
   - Cirrus Logich Lochnagar PMIC pins

  Updates:
   - Incremental development on Renesas SH-PFC
   - Incremental development on Intel pin controller and some particular
     updates for Cedarfork.
   - Pin configuration support in Allwinner SunXi drivers
   - Suspend/resume support in the NXP/Freescale i.MX8MQ driver
   - Support for more packaging of the ST Micro STM32"

* tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
  pinctrl: mcp23s08: Do not complain about unsupported params
  pinctrl: Rework Kconfig dependency for BM1880 pinctrl driver
  MAINTAINERS: Add entry for BM1880 pinctrl
  pinctrl: Add pinctrl support for BM1880 SoC
  dt-bindings: pinctrl: Add BM1880 pinctrl binding
  pinctrl: stm32: check irq controller availability at probe
  pinctrl: mediatek: Add MT8516 Pinctrl driver
  pinctrl: zte: fix leaked of_node references
  pinctrl: intel: Increase readability of intel_gpio_update_pad_mode()
  pinctrl: intel: Retain HOSTSW_OWN for requested gpio pin
  pinctrl: pistachio: fix leaked of_node references
  pinctrl: sunxi: Support I/O bias voltage setting on H6
  pinctrl: sunxi: Prepare for alternative bias voltage setting methods
  pinctrl: st: fix leaked of_node references
  pinctrl: samsung: fix leaked of_node references
  pinctrl: stm32: align stm32mp157 pin names
  pinctrl: stm32: add package information for stm32mp157c
  pinctrl: stm32: introduce package support
  dt-bindings: pinctrl: stm32: add new entry for package information
  pinctrl: imx8mq: Add suspend/resume ops
  ...
2019-05-08 10:23:54 -07:00
Linus Torvalds
d1cd7c85f9 SCSI misc on 20190507
This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
 hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas.  Plus number of minor
 changes, spelling fixes and other trivia.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
  hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor
  changes, spelling fixes and other trivia"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (298 commits)
  scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session()
  scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory
  scsi: qla2xxx: Fix hardirq-unsafe locking
  scsi: qla2xxx: Complain loudly about reference count underflow
  scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware
  scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures
  scsi: qla2xxx: Check the size of firmware data structures at compile time
  scsi: qla2xxx: Pass little-endian values to the firmware
  scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands
  scsi: qla2xxx: Use an on-stack completion in qla24xx_control_vp()
  scsi: qla2xxx: Make qla24xx_async_abort_cmd() static
  scsi: qla2xxx: Remove unnecessary locking from the target code
  scsi: qla2xxx: Remove qla_tgt_cmd.released
  scsi: qla2xxx: Complain if a command is released that is owned by the firmware
  scsi: qla2xxx: target: Fix offline port handling and host reset handling
  scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending()
  scsi: qla2xxx: Fix error handling in qlt_alloc_qfull_cmd()
  scsi: qla2xxx: Simplify qlt_send_term_imm_notif()
  scsi: qla2xxx: Fix use-after-free issues in qla2xxx_qpair_sp_free_dma()
  scsi: qla2xxx: Fix a qla24xx_enable_msix() error path
  ...
2019-05-08 10:12:46 -07:00
Linus Torvalds
b3a5e648f5 TTY/Serial patches for 5.2-rc1
Here is the "big" set of tty/serial driver patches for 5.2-rc1.
 
 It's really pretty small, not much happening in this portion of the
 kernel at the moment.  When the "highlight" is the movement of the
 documentation from .txt to .rst files, it's a good merge window.
 
 There's a number of small fixes and updates over the various serial
 drivers, and a new "tty null" driver for those embedded systems that
 like to make things even smaller and not break things.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial updates from Greg KH:
 "Here is the "big" set of tty/serial driver patches for 5.2-rc1.

  It's really pretty small, not much happening in this portion of the
  kernel at the moment. When the "highlight" is the movement of the
  documentation from .txt to .rst files, it's a good merge window.

  There's a number of small fixes and updates over the various serial
  drivers, and a new "tty null" driver for those embedded systems that
  like to make things even smaller and not break things.

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

* tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (45 commits)
  tty: serial: add driver for the SiFive UART
  dt-bindings: serial: add documentation for the SiFive UART driver
  serial: uartps: Add support for cts-override
  dt-bindings: xilinx-uartps: Add support for cts-override
  serial: milbeaut_usio: Fix error handling in probe and remove
  tty: rocket: deprecate the rp_ioctl
  tty: rocket: Remove RCPK_GET_STRUCT ioctl
  tty: update obsolete termios comment
  tty: serial_core: fix error code returned by uart_register_driver()
  serial: 8250-mtk: modify baudrate setting
  serial: 8250-mtk: add follow control
  docs: serial: convert docs to ReST and rename to *.rst
  serial: 8250_exar: Adjust IOT2000 matching
  TTY: serial_core, add ->install
  serial: Fix using plain integer instead of Null pointer
  tty:serial_core: Spelling mistake
  tty: Add NULL TTY driver
  tty: vt: keyboard: Allow Unicode compose base char
  Revert "tty: fix NULL pointer issue when tty_port ops is not set"
  serial: Add Milbeaut serial control
  ...
2019-05-08 10:07:28 -07:00
Linus Torvalds
132d68d37d USB/PHY patches for 5.2-rc1
Here is the big set of USB and PHY driver patches for 5.2-rc1
 
 There is the usual set of:
 	- USB gadget updates
 	- PHY driver updates and additions
 	- USB serial driver updates and fixes
 	- typec updates and new chips supported
 	- mtu3 driver updates
 	- xhci driver updates
 	- other tiny driver updates
 
 Nothing really interesting, just constant forward progress.
 
 All of these have been in linux-next for a while with no reported
 issues.  The usb-gadget and usb-serial trees were merged a bit "late",
 but both of them had been in linux-next before they got merged here last
 Friday.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big set of USB and PHY driver patches for 5.2-rc1

  There is the usual set of:

   - USB gadget updates

   - PHY driver updates and additions

   - USB serial driver updates and fixes

   - typec updates and new chips supported

   - mtu3 driver updates

   - xhci driver updates

   - other tiny driver updates

  Nothing really interesting, just constant forward progress.

  All of these have been in linux-next for a while with no reported
  issues. The usb-gadget and usb-serial trees were merged a bit "late",
  but both of them had been in linux-next before they got merged here
  last Friday"

* tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (206 commits)
  USB: serial: f81232: implement break control
  USB: serial: f81232: add high baud rate support
  USB: serial: f81232: clear overrun flag
  USB: serial: f81232: fix interrupt worker not stop
  usb: dwc3: Rename DWC3_DCTL_LPM_ERRATA
  usb: dwc3: Fix default lpm_nyet_threshold value
  usb: dwc3: debug: Print GET_STATUS(device) tracepoint
  usb: dwc3: Do core validation early on probe
  usb: dwc3: gadget: Set lpm_capable
  usb: gadget: atmel: tie wake lock to running clock
  usb: gadget: atmel: support USB suspend
  usb: gadget: atmel_usba_udc: simplify setting of interrupt-enabled mask
  dwc2: gadget: Fix completed transfer size calculation in DDMA
  usb: dwc2: Set lpm mode parameters depend on HW configuration
  usb: dwc2: Fix channel disable flow
  usb: dwc2: Set actual frame number for completed ISOC transfer
  usb: gadget: do not use __constant_cpu_to_le16
  usb: dwc2: gadget: Increase descriptors count for ISOC's
  usb: introduce usb_ep_type_string() function
  usb: dwc3: move synchronize_irq() out of the spinlock protected block
  ...
2019-05-08 10:03:52 -07:00
Noralf Trønnes
23e35c0eb8 drm/cma-helper: Fix drm_gem_cma_free_object()
The logic for freeing an imported buffer with a virtual address is
broken. It will free the buffer instead of unmapping the dma buf.
Fix by reversing the if ladder and first check if the buffer is imported.

Fixes: b9068cde51 ("drm/cma-helper: Add DRM_GEM_CMA_VMAP_DRIVER_OPS")
Cc: stable@vger.kernel.org
Reported-by: "Li, Tingqian" <tingqian.li@intel.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190426124753.53722-1-noralf@tronnes.org
2019-05-08 16:01:40 +02:00
Pranith Kumar
582e84f7b7 tool headers nolibc: add RISCV support
This adds support for the RISCV architecture (32 and 64 bit) to the
nolibc header file.

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
[willy: minimal rewording of the commit message]
Signed-off-by: Willy Tarreau <w@1wt.eu>
2019-05-08 15:48:43 +02:00
Linus Torvalds
80f232121b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights:

   1) Support AES128-CCM ciphers in kTLS, from Vakul Garg.

   2) Add fib_sync_mem to control the amount of dirty memory we allow to
      queue up between synchronize RCU calls, from David Ahern.

   3) Make flow classifier more lockless, from Vlad Buslov.

   4) Add PHY downshift support to aquantia driver, from Heiner
      Kallweit.

   5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces
      contention on SLAB spinlocks in heavy RPC workloads.

   6) Partial GSO offload support in XFRM, from Boris Pismenny.

   7) Add fast link down support to ethtool, from Heiner Kallweit.

   8) Use siphash for IP ID generator, from Eric Dumazet.

   9) Pull nexthops even further out from ipv4/ipv6 routes and FIB
      entries, from David Ahern.

  10) Move skb->xmit_more into a per-cpu variable, from Florian
      Westphal.

  11) Improve eBPF verifier speed and increase maximum program size,
      from Alexei Starovoitov.

  12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit
      spinlocks. From Neil Brown.

  13) Allow tunneling with GUE encap in ipvs, from Jacky Hu.

  14) Improve link partner cap detection in generic PHY code, from
      Heiner Kallweit.

  15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan
      Maguire.

  16) Remove SKB list implementation assumptions in SCTP, your's truly.

  17) Various cleanups, optimizations, and simplifications in r8169
      driver. From Heiner Kallweit.

  18) Add memory accounting on TX and RX path of SCTP, from Xin Long.

  19) Switch PHY drivers over to use dynamic featue detection, from
      Heiner Kallweit.

  20) Support flow steering without masking in dpaa2-eth, from Ioana
      Ciocoi.

  21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri
      Pirko.

  22) Increase the strict parsing of current and future netlink
      attributes, also export such policies to userspace. From Johannes
      Berg.

  23) Allow DSA tag drivers to be modular, from Andrew Lunn.

  24) Remove legacy DSA probing support, also from Andrew Lunn.

  25) Allow ll_temac driver to be used on non-x86 platforms, from Esben
      Haabendal.

  26) Add a generic tracepoint for TX queue timeouts to ease debugging,
      from Cong Wang.

  27) More indirect call optimizations, from Paolo Abeni"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits)
  cxgb4: Fix error path in cxgb4_init_module
  net: phy: improve pause mode reporting in phy_print_status
  dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings
  net: macb: Change interrupt and napi enable order in open
  net: ll_temac: Improve error message on error IRQ
  net/sched: remove block pointer from common offload structure
  net: ethernet: support of_get_mac_address new ERR_PTR error
  net: usb: smsc: fix warning reported by kbuild test robot
  staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check
  net: dsa: support of_get_mac_address new ERR_PTR error
  net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats
  vrf: sit mtu should not be updated when vrf netdev is the link
  net: dsa: Fix error cleanup path in dsa_init_module
  l2tp: Fix possible NULL pointer dereference
  taprio: add null check on sched_nest to avoid potential null pointer dereference
  net: mvpp2: cls: fix less than zero check on a u32 variable
  net_sched: sch_fq: handle non connected flows
  net_sched: sch_fq: do not assume EDT packets are ordered
  net: hns3: use devm_kcalloc when allocating desc_cb
  net: hns3: some cleanup for struct hns3_enet_ring
  ...
2019-05-07 22:03:58 -07:00
Linus Torvalds
82efe43959 Devicetree for 5.2:
- Fix possible memory leak in reserved-memory failure case
 
 - Support for DMA parent bus which are not a parent node
 
 - Clang -Wunsequenced fix
 
 - Remove some unnecessary prints on memory alloc failures
 
 - Various printk msg and comment fixes
 
 - Update DT schema tools repository location
 
 - Convert simple-framebuffer binding to DT schema
 
 - Bindings for isl68137 and ir38064 trivial devices
 
 - New documentation on binding do's and don't's for binding writers to
   ignore
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Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - Fix possible memory leak in reserved-memory failure case

 - Support for DMA parent bus which are not a parent node

 - Clang -Wunsequenced fix

 - Remove some unnecessary prints on memory alloc failures

 - Various printk msg and comment fixes

 - Update DT schema tools repository location

 - Convert simple-framebuffer binding to DT schema

 - Bindings for isl68137 and ir38064 trivial devices

 - New documentation on binding do's and don't's for binding writers to
   ignore

* tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (22 commits)
  of: unittest: Remove error printing on OOM
  of: irq: Remove WARN_ON() for kzalloc() failure
  dt-bindings: pinctrl: fix bias-pull,up typo
  dt-bindings: Update schema project location to devicetree.org github group
  of: fix clang -Wunsequenced for be32_to_cpu()
  of/device.c: fix the wrong comments
  dt-bindings: Add isl68137 as a trivial device
  dt-bindings: Add ir38064 as a trivial device
  of: del redundant type conversion
  dt-bindings: mfd: axp20x: Add fallback for axp805
  of: Improve of_phandle_iterator_next() error message
  dt-bindings: connector: Spelling mistake
  dt-bindings: Add schemas for simple-framebuffer
  of: address: Add support for the parent DMA bus
  of: address: Retrieve a parent through a callback in __of_translate_address
  dt-bindings: bus: Add binding for the Allwinner MBUS controller
  dt-bindings: interconnect: Add a dma interconnect name
  of: use correct function prototype for of_overlay_fdt_apply()
  of: reserved_mem: fix reserve memory leak
  of: property: Document that of_graph_get_endpoint_by_regs needs of_node_put
  ...
2019-05-07 21:55:37 -07:00
Linus Torvalds
dd5001e21a Initialize the random driver earler; fix CRNG initialization when we
trust the CPU's RNG on NUMA systems; other miscellaneous cleanups and
 fixes.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull randomness updates from Ted Ts'o:

 - initialize the random driver earler

 - fix CRNG initialization when we trust the CPU's RNG on NUMA systems

 - other miscellaneous cleanups and fixes.

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: add a spinlock_t to struct batched_entropy
  random: document get_random_int() family
  random: fix CRNG initialization when random.trust_cpu=1
  random: move rand_initialize() earlier
  random: only read from /dev/random after its pool has received 128 bits
  drivers/char/random.c: make primary_crng static
  drivers/char/random.c: remove unused stuct poolinfo::poolbits
  drivers/char/random.c: constify poolinfo_table
2019-05-07 21:42:23 -07:00
Linus Torvalds
a9fbcd6728 Clean up fscrypt's dcache revalidation support, and other
miscellaneous cleanups.
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Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt

Pull fscrypt updates from Ted Ts'o:
 "Clean up fscrypt's dcache revalidation support, and other
  miscellaneous cleanups"

* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
  fscrypt: cache decrypted symlink target in ->i_link
  vfs: use READ_ONCE() to access ->i_link
  fscrypt: fix race where ->lookup() marks plaintext dentry as ciphertext
  fscrypt: only set dentry_operations on ciphertext dentries
  fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
  fscrypt: fix race allowing rename() and link() of ciphertext dentries
  fscrypt: clean up and improve dentry revalidation
  fscrypt: use READ_ONCE() to access ->i_crypt_info
  fscrypt: remove WARN_ON_ONCE() when decryption fails
  fscrypt: drop inode argument from fscrypt_get_ctx()
2019-05-07 21:28:04 -07:00
Steve French
cb4f7bf6be cifs: update module internal version number
To 2.20

Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:56 -05:00
Ronnie Sahlberg
ebaf546a55 SMB3: Clean up query symlink when reparse point
Two of the common symlink formats use reparse points
(unlike mfsymlinks and also unlike the SMB1 posix
extensions).  This is the first part of the fixes
to allow these reparse points (NFS style and Windows
symlinks) to be resolved properly as symlinks by the
client.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Christoph Probst
6a54b2e002 cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()
Change strcat to strncpy in the "None" case to fix a buffer overflow
when cinode->oplock is reset to 0 by another thread accessing the same
cinode. It is never valid to append "None" to any other message.

Consolidate multiple writes to cinode->oplock to reduce raciness.

Signed-off-by: Christoph Probst <kernel@probst.it>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
2019-05-07 23:24:55 -05:00
Steve French
26ea888f62 Negotiate and save preferred compression algorithms
New negotiate context (3) allows the server and client to
negotiate which compression algorithms to use. Add support
for this and save it off in the server structure.

Also now displayed in /proc/fs/cifs/DebugData (see below example
to Windows 10) where compression algoirthm "LZ77" was negotiated:

Servers:
Number of credits: 326 Dialect 0x311 COMPRESS_LZ77 signed
1) Name: 192.168.92.17 Uses: 1 Capability: 0x300067	Session Status: 1 TCP status: 1 Instance: 1

See MS-XCA and MS-SMB2 2.2.3.1 for more details.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
392e1c5dc9 cifs: rename and clarify CIFS_ASYNC_OP and CIFS_NO_RESP
The flags were named confusingly.
CIFS_ASYNC_OP now just means that we will not block waiting for credits
to become available so we thus rename this to be CIFS_NON_BLOCKING.

Change CIFS_NO_RESP to CIFS_NO_RSP_BUF to clarify that we will actually get a
response from the server but we will not get/do not want a response buffer.

Delete CIFSSMBNotify. This is an SMB1 function that is not used.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
d69cb728e7 cifs: fix credits leak for SMB1 oplock breaks
For SMB1 oplock breaks we would grab one credit while sending the PDU
but we would never relese the credit back since we will never receive a
response to this from the server. Eventuallt this would lead to a hang
once all credits are leaked.

Fix this by defining a new flag CIFS_NO_SRV_RSP which indicates that there
is no server response to this command and thus we need to add any credits back
immediately after sending the PDU.

CC: Stable <stable@vger.kernel.org> #v5.0+
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Steve French
edf3ef3707 smb3: Add protocol structs for change notify support
Add the SMB3 protocol flag definitions and structs for
change notify.  Future patches will add the hooks to
allow it to be invoked from the client.

See MS-FSCC 2.6 and MS-SMB2 2.2.35

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
c425014afd cifs: fix smb3_zero_range for Azure
For zero-range that also extend the file we were sending this as a
compound of two different operations; a fsctl to set-zero-data for the range
and then an additional set-info to extend the file size.
This does not work for Azure since it does not support this fsctl which leads
to fallocate(FALLOC_FL_ZERO_RANGE) failing but still changing the file size.

To fix this we un-compound this and send these two operations as separate
commands, firsat one command to set-zero-data for the range and it this
was successful we proceed to send a set-info to update the file size.

This fixes xfstest generic/469 for Azure servers.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
c7fe388d76 cifs: zero-range does not require the file is sparse
Remove the conditional to fail zero-range if the file is not flagged as sparse.
You can still zero out a range in SMB2 even for non-sparse files.

Tested with stock windows16 server.

Fixes 5 xfstests (033, 149, 155, 180, 349)

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Steve French
0df7edd9dc Add new flag on SMB3.1.1 read
For compressed read support.  See MS-SMB2 3.1.4.4

Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
2f3ebaba13 cifs: add fiemap support
Useful for improved copy performance as well as for
applications which query allocated ranges of sparse
files.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Steve French
d7bef4c4eb SMB3: Add defines for new negotiate contexts
See the latest MS-SMB2 protocol specification updates.
These will be needed for implementing compression support
on the wire for example.

Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
5242fcb706 cifs: fix bi-directional fsctl passthrough calls
SMB2 Ioctl responses from servers may respond with both the request blob from
the client followed by the actual reply blob for ioctls that are bi-directional.

In that case we can not assume that the reply blob comes immediately after the
ioctl response structure.

This fixes FSCTLs such as SMB2:FSCTL_QUERY_ALLOCATED_RANGES

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Long Li
4739f23286 cifs: smbd: take an array of reqeusts when sending upper layer data
To support compounding, __smb_send_rqst() now sends an array of requests to
the transport layer.
Change smbd_send() to take an array of requests, and send them in as few
packets as possible.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
2019-05-07 23:24:55 -05:00
Steve French
46e6661963 SMB3: Add handling for different FSCTL access flags
DesiredAccess field in SMB3 open request needs
to be set differently for READ vs. WRITE ioctls
(not just ones that request both).

Originally noticed by Pavel

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
2019-05-07 23:24:55 -05:00
Ronnie Sahlberg
efac779b1c cifs: Add support for FSCTL passthrough that write data to the server
Add support to pass a blob to the server in FSCTL passthrough.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Jeff Layton
0ae3fa4dc1 cifs: remove superfluous inode_lock in cifs_{strict_}fsync
Originally, filemap_write_and_wait took the i_mutex internally, but
commit 02c24a8218 pushed the mutex acquisition into the individual
fsync routines, leaving it up to the subsystem maintainers to remove
it if it wasn't needed.

For cifs, I see no reason to take the inode_lock here. All of the
operations inside that lock are protected in other ways.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
2019-05-07 23:24:55 -05:00
Long Li
214bab4484 cifs: Call MID callback before destroying transport
When transport is being destroyed, it's possible that some processes may
hold memory registrations that need to be deregistred.

Call them first so nobody is using transport resources, and it can be
destroyed.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Long Li
b797209219 cifs: smbd: Retry on memory registration failure
Memory registration failure doesn't mean this I/O has failed, it means the
transport is hitting I/O error or needs reconnect. This error is not from
the server.

Indicate this error to upper layer, and let upper layer decide how to
reconnect and proceed with this I/O.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:55 -05:00
Long Li
62fdf6707e cifs: smbd: Indicate to retry on transport sending failure
Failure to send a packet doesn't mean it's a permanent failure, it can't be
returned to user process. This I/O should be retried or failed based on
server packet response and transport health. This logic is handled by the
upper layer.

Give this decision to upper layer.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00
Long Li
98e0d40888 cifs: smbd: Return EINTR when interrupted
When packets are waiting for outbound I/O and interrupted, return the
proper error code to user process.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00
Long Li
e8b3bfe9bc cifs: smbd: Don't destroy transport on RDMA disconnect
Now upper layer is handling the transport shutdown and reconnect, remove
the code that handling transport shutdown on RDMA disconnect.

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00
Long Li
050b8c3740 smbd: Make upper layer decide when to destroy the transport
On transport recoonect, upper layer CIFS code destroys the current
transport and then recoonect. This code path is not used by SMBD, in that
SMBD destroys its transport on RDMA disconnect notification independent of
CIFS upper layer behavior.

This approach adds some costs to SMBD layer to handle transport shutdown
and restart, and to deal with several racing conditions on reconnecting
transport.

Re-work this code path by introducing a new smbd_destroy. This function is
called form upper layer to ask SMBD to destroy the transport. SMBD will no
longer need to destroy the transport by itself while worrying about data
transfer is in progress. The upper layer guarantees the transport is
locked.

change log:
v2: fix build errors when CONFIG_CIFS_SMB_DIRECT is not configured

Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00
Steve French
973189aba6 SMB3: update comment to clarify enumerating snapshots
Trivial update to comment suggested by Pavel.

Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00
Aurelien Aptel
d070f9dd62 CIFS: check CIFS_MOUNT_NO_DFS when trying to reuse existing sb
if we mount A then mount A again with nodfs, we shouldn't reuse the
superblock. document the purpose of the defines as well.

there are most likely more flags that needs to be added to this mask,
in fact the logic to find them should be which flag should
be *ignored* when trying to reuse an existing sb.

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2019-05-07 23:24:54 -05:00