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796918 commits

Author SHA1 Message Date
Linus Torvalds e12e00e388 Kbuild fixes for v4.20
- fix build errors in binrpm-pkg and bindeb-pkg targets
 
  - fix false positive matches in merge_config.sh
 
  - fix build version mismatch in deb-pkg target
 
  - fix dtbs_install handling in (bin)deb-pkg target
 
  - revert a commit that allows setlocalversion to write to source tree
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Merge tag 'kbuild-fixes-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix build errors in binrpm-pkg and bindeb-pkg targets

 - fix false positive matches in merge_config.sh

 - fix build version mismatch in deb-pkg target

 - fix dtbs_install handling in (bin)deb-pkg target

 - revert a commit that allows setlocalversion to write to source tree

* tag 'kbuild-fixes-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  builddeb: Fix inclusion of dtbs in debian package
  Revert "scripts/setlocalversion: git: Make -dirty check more robust"
  kbuild: deb-pkg: fix too low build version number
  kconfig: merge_config: avoid false positive matches from comment lines
  kbuild: deb-pkg: fix bindeb-pkg breakage when O= is used
  kbuild: rpm-pkg: fix binrpm-pkg breakage when O= is used
2018-11-11 16:57:55 -06:00
Linus Torvalds 63a42e1a5c for-4.20-rc1-tag
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Merge tag 'for-4.20-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Several fixes to recent release (4.19, fixes tagged for stable) and
  other fixes"

* tag 'for-4.20-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Btrfs: fix missing delayed iputs on unmount
  Btrfs: fix data corruption due to cloning of eof block
  Btrfs: fix infinite loop on inode eviction after deduplication of eof block
  Btrfs: fix deadlock on tree root leaf when finding free extent
  btrfs: avoid link error with CONFIG_NO_AUTO_INLINE
  btrfs: tree-checker: Fix misleading group system information
  Btrfs: fix missing data checksums after a ranged fsync (msync)
  btrfs: fix pinned underflow after transaction aborted
  Btrfs: fix cur_offset in the error case for nocow
2018-11-11 16:54:38 -06:00
Linus Torvalds c140f8b072 A large number of ext4 bug fixes, mostly buffer and memory leaks on
error return cleanup paths.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "A large number of ext4 bug fixes, mostly buffer and memory leaks on
  error return cleanup paths"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: missing !bh check in ext4_xattr_inode_write()
  ext4: fix buffer leak in __ext4_read_dirblock() on error path
  ext4: fix buffer leak in ext4_expand_extra_isize_ea() on error path
  ext4: fix buffer leak in ext4_xattr_move_to_block() on error path
  ext4: release bs.bh before re-using in ext4_xattr_block_find()
  ext4: fix buffer leak in ext4_xattr_get_block() on error path
  ext4: fix possible leak of s_journal_flag_rwsem in error path
  ext4: fix possible leak of sbi->s_group_desc_leak in error path
  ext4: remove unneeded brelse call in ext4_xattr_inode_update_ref()
  ext4: avoid possible double brelse() in add_new_gdb() on error path
  ext4: avoid buffer leak in ext4_orphan_add() after prior errors
  ext4: avoid buffer leak on shutdown in ext4_mark_iloc_dirty()
  ext4: fix possible inode leak in the retry loop of ext4_resize_fs()
  ext4: fix missing cleanup if ext4_alloc_flex_bg_array() fails while resizing
  ext4: add missing brelse() update_backups()'s error path
  ext4: add missing brelse() add_new_gdb_meta_bg()'s error path
  ext4: add missing brelse() in set_flexbg_block_bitmap()'s error path
  ext4: avoid potential extra brelse in setup_new_flex_group_blocks()
2018-11-11 16:53:02 -06:00
Linus Torvalds b6df7b6db1 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "A set of x86 fixes:

   - Cure the LDT remapping to user space on 5 level paging which ended
     up in the KASLR space

   - Remove LDT mapping before freeing the LDT pages

   - Make NFIT MCE handling more robust

   - Unbreak the VSMP build by removing the dependency on paravirt ops

   - Support broken PIT emulation on Microsoft hyperV

   - Don't trace vmware_sched_clock() to avoid tracer recursion

   - Remove -pipe from KBUILD CFLAGS which breaks clang and is also
     slower on GCC

   - Trivial coding style and typo fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu/vmware: Do not trace vmware_sched_clock()
  x86/vsmp: Remove dependency on pv_irq_ops
  x86/ldt: Remove unused variable in map_ldt_struct()
  x86/ldt: Unmap PTEs for the slot before freeing LDT pages
  x86/mm: Move LDT remap out of KASLR region on 5-level paging
  acpi/nfit, x86/mce: Validate a MCE's address before using it
  acpi/nfit, x86/mce: Handle only uncorrectable machine checks
  x86/build: Remove -pipe from KBUILD_CFLAGS
  x86/hyper-v: Fix indentation in hv_do_fast_hypercall16()
  Documentation/x86: Fix typo in zero-page.txt
  x86/hyper-v: Enable PIT shutdown quirk
  clockevents/drivers/i8253: Add support for PIT shutdown quirk
2018-11-11 16:41:50 -06:00
Linus Torvalds 655c6b9777 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
 "A bunch of perf tooling fixes:

   - Make the Intel PT SQL viewer more robust

   - Make the Intel PT debug log more useful

   - Support weak groups in perf record so it's behaving the same way as
     perf stat

   - Display the LBR stats in callchain entries properly in perf top

   - Handle different PMu names with common prefix properlin in pert
     stat

   - Start syscall augmenting in perf trace. Preparation for
     architecture independent eBPF instrumentation of syscalls.

   - Fix build breakage in JVMTI perf lib

   - Fix arm64 tools build failure wrt smp_load_{acquire,release}"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Do not zero sample_id_all for group members
  perf tools: Fix undefined symbol scnprintf in libperf-jvmti.so
  perf beauty: Use SRCARCH, ARCH=x86_64 must map to "x86" to find the headers
  perf intel-pt: Add MTC and CYC timestamps to debug log
  perf intel-pt: Add more event information to debug log
  perf scripts python: exported-sql-viewer.py: Fix table find when table re-ordered
  perf scripts python: exported-sql-viewer.py: Add help window
  perf scripts python: exported-sql-viewer.py: Add Selected branches report
  perf scripts python: exported-sql-viewer.py: Fall back to /usr/local/lib/libxed.so
  perf top: Display the LBR stats in callchain entry
  perf stat: Handle different PMU names with common prefix
  perf record: Support weak groups
  perf evlist: Move perf_evsel__reset_weak_group into evlist
  perf augmented_syscalls: Start collecting pathnames in the BPF program
  perf trace: Fix setting of augmented payload when using eBPF + raw_syscalls
  perf trace: When augmenting raw_syscalls plug raw_syscalls:sys_exit too
  perf examples bpf: Start augmenting raw_syscalls:sys_{start,exit}
  tools headers barrier: Fix arm64 tools build failure wrt smp_load_{acquire,release}
2018-11-11 16:39:12 -06:00
Linus Torvalds 08b5278650 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "Just the removal of a redundant call into the sched deadline overrun
  check"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Remove useless call to check_dl_overrun()
2018-11-11 16:37:41 -06:00
Linus Torvalds 024d4d4c0c Merge branch 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
 "Two small scheduler fixes:

   - Take hotplug lock in sched_init_smp(). Technically not really
     required, but lockdep will complain other.

   - Trivial comment fix in sched/fair"

* 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix a comment in task_numa_fault()
  sched/core: Take the hotplug lock in sched_init_smp()
2018-11-11 16:33:00 -06:00
Linus Torvalds 1acf93ca6c Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking build fix from Thomas Gleixner:
 "A single fix for a build fail with CONFIG_PROFILE_ALL_BRANCHES=y in
  the qspinlock code"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/qspinlock: Fix compile error
2018-11-11 16:18:10 -06:00
Linus Torvalds 0b002cdd50 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Thomas Gleixner:
 "A couple of fixlets for the core:

   - Kernel doc function documentation fixes

   - Missing prototypes for weak watchdog functions"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  resource/docs: Complete kernel-doc style function documentation
  watchdog/core: Add missing prototypes for weak functions
  resource/docs: Fix new kernel-doc warnings
2018-11-11 16:14:05 -06:00
Rob Herring d5615e472d builddeb: Fix inclusion of dtbs in debian package
Commit 37c8a5fafa ("kbuild: consolidate Devicetree dtb build rules")
moved the location of 'dtbs_install' target which caused dtbs to not be
installed when building debian package with 'bindeb-pkg' target. Update
the builddeb script to use the same logic that determines if there's a
'dtbs_install' target which is presence of the arch dts directory. Also,
use CONFIG_OF_EARLY_FLATTREE instead of CONFIG_OF as that's a better
indication of whether we are building dtbs.

This commit will also have the side effect of installing dtbs on any
arch that has dts files. Previously, it was dependent on whether the
arch defined 'dtbs_install'.

Fixes: 37c8a5fafa ("kbuild: consolidate Devicetree dtb build rules")
Reported-by: Nuno Gonçalves <nunojpg@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-11 23:04:53 +09:00
Guenter Roeck 8ef14c2c41 Revert "scripts/setlocalversion: git: Make -dirty check more robust"
This reverts commit 6147b1cf19.

The reverted patch results in attempted write access to the source
repository, even if that repository is mounted read-only.

Output from "strace git status -uno --porcelain":

getcwd("/tmp/linux-test", 129)          = 16
open("/tmp/linux-test/.git/index.lock", O_RDWR|O_CREAT|O_EXCL|O_CLOEXEC, 0666) =
	-1 EROFS (Read-only file system)

While git appears to be able to handle this situation, a monitored
build environment (such as the one used for Chrome OS kernel builds)
may detect it and bail out with an access violation error. On top of
that, the attempted write access suggests that git _will_ write to the
file even if a build output directory is specified. Users may have the
reasonable expectation that the source repository remains untouched in
that situation.

Fixes: 6147b1cf19 ("scripts/setlocalversion: git: Make -dirty check more robust"
Cc: Genki Sky <sky@genki.is>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-11-11 23:04:52 +09:00
Masahiro Yamada bbcde0a724 kbuild: deb-pkg: fix too low build version number
Since commit b41d920acf ("kbuild: deb-pkg: split generating packaging
and build"), the build version of the kernel contained in a deb package
is too low by 1.

Prior to the bad commit, the kernel was built first, then the number
in .version file was read out, and written into the debian control file.

Now, the debian control file is created before the kernel is actually
compiled, which is causing the version number mismatch.

Let the mkdebian script pass KBUILD_BUILD_VERSION=${revision} to require
the build system to use the specified version number.

Fixes: b41d920acf ("kbuild: deb-pkg: split generating packaging and build")
Reported-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Doug Smythies <dsmythies@telus.net>
2018-11-11 23:04:52 +09:00
Masahiro Yamada 6bbe4385d0 kconfig: merge_config: avoid false positive matches from comment lines
The current SED_CONFIG_EXP could match to comment lines in config
fragment files, especially when CONFIG_PREFIX_ is empty. For example,
Buildroot uses empty prefixing; starting symbols with BR2_ is just
convention.

Make the sed expression more robust against false positives from
comment lines. The new sed expression matches to only valid patterns.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2018-11-11 23:04:51 +09:00
Linus Torvalds e255aee5b6 TTY/Serial fixes for 4.20-rc2
Here are some small tty fixes for 4.20-rc2
 
 One of these missed the original 4.19-final release, I missed that I
 hadn't done a pull request for it as it was in linux-next and my branch
 for a long time, that's my fault.
 
 The others are small, fixing some reported issues and finally fixing the
 termios mess for alpha so that glibc has a chance to implement some
 missing functionality that has been pending for many years now.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some small tty fixes for 4.20-rc2

  One of these missed the original 4.19-final release, I missed that I
  hadn't done a pull request for it as it was in linux-next and my
  branch for a long time, that's my fault.

  The others are small, fixing some reported issues and finally fixing
  the termios mess for alpha so that glibc has a chance to implement
  some missing functionality that has been pending for many years now.

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

* tag 'tty-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: sh-sci: Fix could not remove dev_attr_rx_fifo_timeout
  arch/alpha, termios: implement BOTHER, IBSHIFT and termios2
  termios, tty/tty_baudrate.c: fix buffer overrun
  vt: fix broken display when running aptitude
  serial: sh-sci: Fix receive on SCIFA/SCIFB variants with DMA
2018-11-10 13:32:14 -06:00
Linus Torvalds 20ef6d06ef drm: i915, amdgpu, sun4i, exynos and etnaviv fixes
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Merge tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "drm: i915, amdgpu, sun4i, exynos and etnaviv fixes:

   - amdgpu has some display fixes, KFD ioctl fixes and a Vega20 bios
     interaction fix.

   - sun4i has some NULL checks added

   - i915 has a 32-bit system fix, LPE audio oops, and HDMI2.0 clock
     fixes.

   - Exynos has a 3 regression fixes (one frame counter, fbdev missing,
     dsi->panel check)

   - Etnaviv has a single fencing fix for GPU recovery"

* tag 'drm-fixes-2018-11-11' of git://anongit.freedesktop.org/drm/drm: (39 commits)
  drm/amd/amdgpu/dm: Fix dm_dp_create_fake_mst_encoder()
  drm/amd/display: Drop reusing drm connector for MST
  drm/amd/display: Cleanup MST non-atomic code workaround
  drm/amd/powerplay: always use fast UCLK switching when UCLK DPM enabled
  drm/amd/powerplay: set a default fclk/gfxclk ratio
  drm/amdgpu/display/dce11: only enable FBC when selected
  drm/amdgpu/display/dm: handle FBC dc feature parameter
  drm/amdgpu/display/dc: add FBC to dc_config
  drm/amdgpu: add DC feature mask module parameter
  drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2)
  drm/amdgpu/vega20: add CLK base offset
  drm/amd/display: Stop leaking planes
  drm/amd/display: Fix misleading buffer information
  Revert "drm/amd/display: set backlight level limit to 1"
  drm/amd: Update atom_smu_info_v3_3 structure
  drm/i915: Fix ilk+ watermarks when disabling pipes
  drm/sun4i: tcon: prevent tcon->panel dereference if NULL
  drm/sun4i: tcon: fix check of tcon->panel null pointer
  drm/i915: Don't oops during modeset shutdown after lpe audio deinit
  drm/i915: Mark pin flags as u64
  ...
2018-11-10 13:29:47 -06:00
Linus Torvalds 1de4f2ef21 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull namespace fixes from Eric Biederman:
 "I believe all of these are simple obviously correct bug fixes. These
  fall into two groups:

   - Fixing the implementation of MNT_LOCKED which prevents lesser
     privileged users from seeing unders mounts created by more
     privileged users.

   - Fixing the extended uid and group mapping in user namespaces.

  As well as ensuring the code looks correct I have spot tested these
  changes as well and in my testing the fixes are working"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  mount: Prevent MNT_DETACH from disconnecting locked mounts
  mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts
  mount: Retest MNT_LOCKED in do_umount
  userns: also map extents in the reverse map to kernel IDs
2018-11-10 13:27:58 -06:00
Linus Torvalds a1aa42f1d8 A small set of fixes for clk drivers. One to fix a DT refcount
imbalance, two to mark some Amlogic clks as critical, and one final
 one that fixes a clk name for the Qualcomm driver merged this cycle.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A small set of fixes for clk drivers.

  One to fix a DT refcount imbalance, two to mark some Amlogic clks as
  critical, and one final one that fixes a clk name for the Qualcomm
  driver merged this cycle"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: qcom: gcc: Fix board clock node name
  clk: meson: axg: mark fdiv2 and fdiv3 as critical
  clk: meson-gxbb: set fclk_div3 as CLK_IS_CRITICAL
  clk: fixed-factor: fix of_node_get-put imbalance
2018-11-10 13:25:55 -06:00
Dave Airlie 73b6f96cbc Merge branch 'drm-fixes-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 4.20:
- DC MST fixes
- DC FBC fix
- Vega20 updates to support the latest vbios
- KFD type fixes for ioctl headers

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108035551.2904-1-alexander.deucher@amd.com
2018-11-11 04:23:02 +10:00
Dave Airlie d10cf6da31 - sun4i: tcon->panel NULL deref protections (Giulio)
Cc: Giulio Benetti <giulio.benetti@micronovasrl.com>
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Merge tag 'drm-misc-fixes-2018-11-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

- sun4i: tcon->panel NULL deref protections (Giulio)

Cc: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181107205051.GA27823@art_vandelay
2018-11-11 04:20:01 +10:00
Dave Airlie 7d588f90fb Merge tag 'drm-intel-fixes-2018-11-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Bugzilla #108282 fixed: Avoid graphics corruption on 32-bit systems for Mesa 18.2.x
Avoid OOPS on LPE audio deinit. Remove two unused W/As.
Fix to correct HDMI 2.0 audio clock modes to spec.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181108134508.GA28466@jlahtine-desk.ger.corp.intel.com
2018-11-11 04:14:23 +10:00
Linus Torvalds ab6e1f378f xen: fixes for 4.20-rc2
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Merge tag 'for-linus-4.20a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:
 "Several fixes, mostly for rather recent regressions when running under
  Xen"

* tag 'for-linus-4.20a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: remove size limit of privcmd-buf mapping interface
  xen: fix xen_qlock_wait()
  x86/xen: fix pv boot
  xen-blkfront: fix kernel panic with negotiate_mq error path
  xen/grant-table: Fix incorrect gnttab_dma_free_pages() pr_debug message
  CONFIG_XEN_PV breaks xen_create_contiguous_region on ARM
2018-11-10 08:58:48 -06:00
Linus Torvalds 35c55685fc arm64 fixes:
- Fix occasional page fault during boot due to memblock resizing before
   the linear map is up.
 
 - Define NET_IP_ALIGN to 0 to improve the DMA performance on some
   platforms.
 
 - lib/raid6 test build fix.
 
 - .mailmap update for Punit Agrawal
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Fix occasional page fault during boot due to memblock resizing before
   the linear map is up.

 - Define NET_IP_ALIGN to 0 to improve the DMA performance on some
   platforms.

 - lib/raid6 test build fix.

 - .mailmap update for Punit Agrawal

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: memblock: don't permit memblock resizing until linear mapping is up
  arm64: mm: define NET_IP_ALIGN to 0
  lib/raid6: Fix arm64 test build
  mailmap: Update email for Punit Agrawal
2018-11-10 07:07:21 -06:00
Linus Torvalds d5335b3dfc Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has one bugfix (qcom-geni driver), one arch enablement (i2c-omap
  driver, no code change), and a new driver (nvidia-gpu) this time"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  usb: typec: ucsi: add support for Cypress CCGx
  i2c: nvidia-gpu: make pm_ops static
  i2c: add i2c bus driver for NVIDIA GPU
  i2c: qcom-geni: Fix runtime PM mismatch with child devices
  MAINTAINERS: Add entry for i2c-omap driver
  i2c: omap: Enable for ARCH_K3
  dt-bindings: i2c: omap: Add new compatible for AM654 SoCs
2018-11-10 06:57:34 -06:00
Linus Torvalds aa4330e15c Devicetree fixes for 4.20-rc:
- Add validation of NUMA distance map to prevent crashes with bad map
 
 - Fix setting of dma_mask
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Merge tag 'devicetree-fixes-for-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:

 - Add validation of NUMA distance map to prevent crashes with bad map

 - Fix setting of dma_mask

* tag 'devicetree-fixes-for-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of, numa: Validate some distance map rules
  of/device: Really only set bus DMA mask when appropriate
2018-11-09 16:41:58 -06:00
Linus Torvalds dc5db21865 for-linus-20181109
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Merge tag 'for-linus-20181109' of git://git.kernel.dk/linux-block

Pull block layer fixes from Jens Axboe:

 - Two fixes for an ubd regression, one for missing locking, and one for
   a missing initialization of a field. The latter was an old latent
   bug, but it's now visible and triggers (Me, Anton Ivanov)

 - Set of NVMe fixes via Christoph, but applied manually due to a git
   tree mixup (Christoph, Sagi)

 - Fix for a discard split regression, in three patches (Ming)

 - Update libata git trees (Geert)

 - SPDX identifier for sata_rcar (Kuninori Morimoto)

 - Virtual boundary merge fix (Johannes)

 - Preemptively clear memory we are going to pass to userspace, in case
   the driver does a short read (Keith)

* tag 'for-linus-20181109' of git://git.kernel.dk/linux-block:
  block: make sure writesame bio is aligned with logical block size
  block: cleanup __blkdev_issue_discard()
  block: make sure discard bio is aligned with logical block size
  Revert "nvmet-rdma: use a private workqueue for delete"
  nvme: make sure ns head inherits underlying device limits
  nvmet: don't try to add ns to p2p map unless it actually uses it
  sata_rcar: convert to SPDX identifiers
  ubd: fix missing initialization of io_req
  block: Clear kernel memory before copying to user
  MAINTAINERS: Fix remaining pointers to obsolete libata.git
  ubd: fix missing lock around request issue
  block: respect virtual boundary mask in bvecs
2018-11-09 16:31:51 -06:00
Linus Torvalds d757a3b01e Two CephFS fixes (copy_file_range and quota) and a small feature bit
cleanup.
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Merge tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client

Pull Ceph fixes from Ilya Dryomov:
 "Two CephFS fixes (copy_file_range and quota) and a small feature bit
  cleanup"

* tag 'ceph-for-4.20-rc2' of https://github.com/ceph/ceph-client:
  libceph: assume argonaut on the server side
  ceph: quota: fix null pointer dereference in quota check
  ceph: add destination file data sync before doing any remote copy
2018-11-09 16:26:18 -06:00
Linus Torvalds 26eaed4671 A couple of small MIPS fixes for 4.20:
- Extend an array to avoid overruns on some Octeon hardware, fixing a
    bug introduced in 4.3.
 
  - Fix a coherent DMA regression for systems without cache-coherent DMA
    introduced in the 4.20 merge window.
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Merge tag 'mips_fixes_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Paul Burton:
 "A couple of small MIPS fixes for 4.20:

   - Extend an array to avoid overruns on some Octeon hardware, fixing a
     bug introduced in 4.3.

   - Fix a coherent DMA regression for systems without cache-coherent
     DMA introduced in the 4.20 merge window"

* tag 'mips_fixes_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Fix `dma_alloc_coherent' returning a non-coherent allocation
  MIPS: OCTEON: fix out of bounds array access on CN68XX
2018-11-09 16:21:24 -06:00
Vinod Koul 1aefa98b01 clk: qcom: gcc: Fix board clock node name
Device tree node name are not supposed to have "_" in them so fix the
node name use of xo_board to xo-board

Fixes: 652f1813c1 ("clk: qcom: gcc: Add global clock controller driver for QCS404")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-11-09 14:13:55 -08:00
Steven Rostedt (VMware) 1503538843 x86/cpu/vmware: Do not trace vmware_sched_clock()
When running function tracing on a Linux guest running on VMware
Workstation, the guest would crash. This is due to tracing of the
sched_clock internal call of the VMware vmware_sched_clock(), which
causes an infinite recursion within the tracing code (clock calls must
not be traced).

Make vmware_sched_clock() not traced by ftrace.

Fixes: 80e9a4f21f ("x86/vmware: Add paravirt sched clock")
Reported-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Alok Kataria <akataria@vmware.com>
CC: GwanYeong Kim <gy741.kim@gmail.com>
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: Ingo Molnar <mingo@kernel.org>
Cc: stable@vger.kernel.org
CC: Thomas Gleixner <tglx@linutronix.de>
CC: virtualization@lists.linux-foundation.org
CC: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/20181109152207.4d3e7d70@gandalf.local.home
2018-11-09 21:39:14 +01:00
Ajay Gupta 247c554a14 usb: typec: ucsi: add support for Cypress CCGx
Latest NVIDIA GPU cards have a Cypress CCGx Type-C controller
over I2C interface.

This UCSI I2C driver uses I2C bus driver interface for communicating
with Type-C controller.

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 18:49:59 +01:00
Yoshihiro Shimoda 641a41dbba serial: sh-sci: Fix could not remove dev_attr_rx_fifo_timeout
This patch fixes an issue that the sci_remove() could not remove
dev_attr_rx_fifo_timeout because uart_remove_one_port() set
the port->port.type to PORT_UNKNOWN.

Reported-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
Fixes: 5d23188a47 ("serial: sh-sci: make RX FIFO parameters tunable via sysfs")
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-09 09:34:50 -08:00
Wolfram Sang caccdcc5db i2c: nvidia-gpu: make pm_ops static
sparse rightfully says:

warning: symbol 'gpu_i2c_driver_pm' was not declared. Should it be static?

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:56:44 +01:00
Ajay Gupta c71bcdcb42 i2c: add i2c bus driver for NVIDIA GPU
Latest NVIDIA GPU card has USB Type-C interface. There is a
Type-C controller which can be accessed over I2C.

This driver adds I2C bus driver to communicate with Type-C controller.
I2C client driver will be part of USB Type-C UCSI driver.

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[wsa: kept Makefile sorting]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:46:43 +01:00
Vasily Averin eb6984fa4c ext4: missing !bh check in ext4_xattr_inode_write()
According to Ted Ts'o ext4_getblk() called in ext4_xattr_inode_write()
should not return bh = NULL

The only time that bh could be NULL, then, would be in the case of
something really going wrong; a programming error elsewhere (perhaps a
wild pointer dereference) or I/O error causing on-disk file system
corruption (although that would be highly unlikely given that we had
*just* allocated the blocks and so the metadata blocks in question
probably would still be in the cache).

Fixes: e50e5129f3 ("ext4: xattr-in-inode support")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.13
2018-11-09 11:34:40 -05:00
Stephen Boyd 848bd3f3de i2c: qcom-geni: Fix runtime PM mismatch with child devices
We need to enable runtime PM on this i2c controller before populating
child devices with i2c_add_adapter(). Otherwise, if a child device uses
runtime PM and stays runtime PM enabled we'll get the following warning
at boot.

 Enabling runtime PM for inactive device (a98000.i2c) with active children

[...]

 Call trace:
  pm_runtime_enable+0xd8/0xf8
  geni_i2c_probe+0x440/0x460
  platform_drv_probe+0x74/0xc8
[...]

Let's move the runtime PM enabling and setup to before we add the
adapter, so that this device can respond to runtime PM requests from
children.

Fixes: 37692de5d5 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:25:48 +01:00
Vignesh R 350784e792 MAINTAINERS: Add entry for i2c-omap driver
Add separate entry for i2c-omap and add my name as maintainer for this
driver.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:25:48 +01:00
Vignesh R 5b277402de i2c: omap: Enable for ARCH_K3
Allow I2C_OMAP to be built for K3 platforms.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:25:29 +01:00
Vignesh R ab214c4838 dt-bindings: i2c: omap: Add new compatible for AM654 SoCs
AM654 SoCs have same I2C IP as OMAP SoCs. Add new compatible to
handle AM654 SoCs. While at that reformat the existing compatible list
for older SoCs to list one valid compatible per line.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-11-09 17:25:21 +01:00
Juergen Gross 3941552aec xen: remove size limit of privcmd-buf mapping interface
Currently the size of hypercall buffers allocated via
/dev/xen/hypercall is limited to a default of 64 memory pages. For live
migration of guests this might be too small as the page dirty bitmask
needs to be sized according to the size of the guest. This means
migrating a 8GB sized guest is already exhausting the default buffer
size for the dirty bitmap.

There is no sensible way to set a sane limit, so just remove it
completely. The device node's usage is limited to root anyway, so there
is no additional DOS scenario added by allowing unlimited buffers.

While at it make the error path for the -ENOMEM case a little bit
cleaner by setting n_pages to the number of successfully allocated
pages instead of the target size.

Fixes: c51b3c639e ("xen: add new hypercall buffer mapping device")
Cc: <stable@vger.kernel.org> #4.18
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2018-11-09 16:38:34 +01:00
Juergen Gross d3132b3860 xen: fix xen_qlock_wait()
Commit a856531951 ("xen: make xen_qlock_wait() nestable")
introduced a regression for Xen guests running fully virtualized
(HVM or PVH mode). The Xen hypervisor wouldn't return from the poll
hypercall with interrupts disabled in case of an interrupt (for PV
guests it does).

So instead of disabling interrupts in xen_qlock_wait() use a nesting
counter to avoid calling xen_clear_irq_pending() in case
xen_qlock_wait() is nested.

Fixes: a856531951 ("xen: make xen_qlock_wait() nestable")
Cc: stable@vger.kernel.org
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Juergen Gross <jgross@suse.com>
2018-11-09 16:37:27 +01:00
Ming Lei 34ffec60b2 block: make sure writesame bio is aligned with logical block size
Obviously the created writesame bio has to be aligned with logical block
size, and use bio_allowed_max_sectors() to retrieve this number.

Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Fixes: b49a0871be ("block: remove split code in blkdev_issue_{discard,write_same}")
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:23:18 -07:00
Ming Lei ba5d73851e block: cleanup __blkdev_issue_discard()
Cleanup __blkdev_issue_discard() a bit:

- remove local variable of 'end_sect'
- remove code block of 'fail'

Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:23:16 -07:00
Ming Lei 1adfc5e413 block: make sure discard bio is aligned with logical block size
Obviously the created discard bio has to be aligned with logical block size.

This patch introduces the helper of bio_allowed_max_sectors() for
this purpose.

Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Fixes: 744889b7cb ("block: don't deal with discard limit in blkdev_issue_discard()")
Fixes: a22c4d7e34 ("block: re-add discard_granularity and alignment checks")
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:23:14 -07:00
Christoph Hellwig d39aa49792 Revert "nvmet-rdma: use a private workqueue for delete"
This reverts commit 2acf70ade7.

The commit never really fixed the intended issue and caused all
kinds of other issues, including a use before initialization.

Suggested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:14:47 -07:00
Sagi Grimberg 8f676b8508 nvme: make sure ns head inherits underlying device limits
Whenever we update ns_head info, we need to make sure it is still
compatible with all underlying backing devices because although nvme
multipath doesn't have any explicit use of these limits, other devices
can still be stacked on top of it which may rely on the underlying limits.
Start with unlimited stacking limits, and every info update iterate over
siblings and adjust queue limits.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:14:47 -07:00
Sagi Grimberg 21d3bbdd4c nvmet: don't try to add ns to p2p map unless it actually uses it
Even without CONFIG_P2PDMA this results in a error print:
nvmet: no peer-to-peer memory is available that's supported by rxe0 and /dev/nullb0

Fixes: c6925093d0 ("nvmet: Optionally use PCI P2P memory")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-09 06:14:47 -07:00
Linus Torvalds 3541833fd1 s390 updates for 4.20-rc2
- A fix for the pgtable_bytes misaccounting on s390. The patch changes
    common code part in regard to page table folding and adds extra
    checks to mm_[inc|dec]_nr_[pmds|puds].
 
  - Add FORCE for all build targets using if_changed
 
  - Use non-loadable phdr for the .vmlinux.info section to avoid
    a segment overlap that confuses kexec
 
  - Cleanup the attribute definition for the diagnostic sampling
 
  - Increase stack size for CONFIG_KASAN=y builds
 
  - Export __node_distance to fix a build error
 
  - Correct return code of a PMU event init function
 
  - An update for the default configs
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Merge tag 's390-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Martin Schwidefsky:

 - A fix for the pgtable_bytes misaccounting on s390. The patch changes
   common code part in regard to page table folding and adds extra
   checks to mm_[inc|dec]_nr_[pmds|puds].

 - Add FORCE for all build targets using if_changed

 - Use non-loadable phdr for the .vmlinux.info section to avoid a
   segment overlap that confuses kexec

 - Cleanup the attribute definition for the diagnostic sampling

 - Increase stack size for CONFIG_KASAN=y builds

 - Export __node_distance to fix a build error

 - Correct return code of a PMU event init function

 - An update for the default configs

* tag 's390-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/perf: Change CPUM_CF return code in event init function
  s390: update defconfigs
  s390/mm: Fix ERROR: "__node_distance" undefined!
  s390/kasan: increase instrumented stack size to 64k
  s390/cpum_sf: Rework attribute definition for diagnostic sampling
  s390/mm: fix mis-accounting of pgtable_bytes
  mm: add mm_pxd_folded checks to pgtable_bytes accounting functions
  mm: introduce mm_[p4d|pud|pmd]_folded
  mm: make the __PAGETABLE_PxD_FOLDED defines non-empty
  s390: avoid vmlinux segments overlap
  s390/vdso: add missing FORCE to build targets
  s390/decompressor: add missing FORCE to build targets
2018-11-09 06:30:44 -06:00
Juergen Gross 1457d8cf76 x86/xen: fix pv boot
Commit 9da3f2b740 ("x86/fault: BUG() when uaccess helpers fault on
kernel addresses") introduced a regression for booting Xen PV guests.

Xen PV guests are using __put_user() and __get_user() for accessing the
p2m map (physical to machine frame number map) as accesses might fail
in case of not populated areas of the map.

With above commit using __put_user() and __get_user() for accessing
kernel pages is no longer valid. So replace the Xen hack by adding
appropriate p2m access functions using the default fixup handler.

Fixes: 9da3f2b740 ("x86/fault: BUG() when uaccess helpers fault on kernel addresses")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2018-11-09 08:16:55 +01:00
Linus Torvalds 24ccea7e10 Changes since last update:
- fix incorrect dropping of error code from bmap
 - print buffer offsets instead of useless hashed pointers when dumping
   corrupt metadata
 - fix integer overflow in attribute verifier
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Merge tag 'xfs-4.20-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:

 - fix incorrect dropping of error code from bmap

 - print buffer offsets instead of useless hashed pointers when dumping
   corrupt metadata

 - fix integer overflow in attribute verifier

* tag 'xfs-4.20-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix overflow in xfs_attr3_leaf_verify
  xfs: print buffer offsets when dumping corrupt buffers
  xfs: Fix error code in 'xfs_ioc_getbmap()'
2018-11-08 17:55:01 -06:00
Linus Torvalds 6a1ac56c23 LED fixes for 4.20-rc2
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Merge tag 'led-fixes-for-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED fixes from Jacek Anaszewski:
 "All three fixes are related to the newly added pattern trigger:

   - remove mutex_lock() from timer callback, which would trigger
     problems related to sleeping in atomic context, the removal is
     harmless since mutex protection turned out to be redundant in this
     case

   - fix pattern parsing to properly handle intervals with brightness == 0

   - fix typos in the ABI documentation"

* tag 'led-fixes-for-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  Documentation: ABI: led-trigger-pattern: Fix typos
  leds: trigger: Fix sleeping function called from invalid context
  Fix pattern handling optimalization
2018-11-08 17:49:04 -06:00