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Linus Torvalds
23221d997b arm64 updates for 4.17 
Nothing particularly stands out here, probably because people were tied
 up with spectre/meltdown stuff last time around. Still, the main pieces
 are:
 
 - Rework of our CPU features framework so that we can whitelist CPUs that
   don't require kpti even in a heterogeneous system
 
 - Support for the IDC/DIC architecture extensions, which allow us to elide
   instruction and data cache maintenance when writing out instructions
 
 - Removal of the large memory model which resulted in suboptimal codegen
   by the compiler and increased the use of literal pools, which could
   potentially be used as ROP gadgets since they are mapped as executable
 
 - Rework of forced signal delivery so that the siginfo_t is well-formed
   and handling of show_unhandled_signals is consolidated and made
   consistent between different fault types
 
 - More siginfo cleanup based on the initial patches from Eric Biederman
 
 - Workaround for Cortex-A55 erratum #1024718
 
 - Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi
 
 - Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "Nothing particularly stands out here, probably because people were
  tied up with spectre/meltdown stuff last time around. Still, the main
  pieces are:

   - Rework of our CPU features framework so that we can whitelist CPUs
     that don't require kpti even in a heterogeneous system

   - Support for the IDC/DIC architecture extensions, which allow us to
     elide instruction and data cache maintenance when writing out
     instructions

   - Removal of the large memory model which resulted in suboptimal
     codegen by the compiler and increased the use of literal pools,
     which could potentially be used as ROP gadgets since they are
     mapped as executable

   - Rework of forced signal delivery so that the siginfo_t is
     well-formed and handling of show_unhandled_signals is consolidated
     and made consistent between different fault types

   - More siginfo cleanup based on the initial patches from Eric
     Biederman

   - Workaround for Cortex-A55 erratum #1024718

   - Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi

   - Misc cleanups and non-critical fixes"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (70 commits)
  arm64: uaccess: Fix omissions from usercopy whitelist
  arm64: fpsimd: Split cpu field out from struct fpsimd_state
  arm64: tlbflush: avoid writing RES0 bits
  arm64: cmpxchg: Include linux/compiler.h in asm/cmpxchg.h
  arm64: move percpu cmpxchg implementation from cmpxchg.h to percpu.h
  arm64: cmpxchg: Include build_bug.h instead of bug.h for BUILD_BUG
  arm64: lse: Include compiler_types.h and export.h for out-of-line LL/SC
  arm64: fpsimd: include <linux/init.h> in fpsimd.h
  drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
  perf: arm_spe: include linux/vmalloc.h for vmap()
  Revert "arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size)"
  arm64: cpufeature: Avoid warnings due to unused symbols
  arm64: Add work around for Arm Cortex-A55 Erratum 1024718
  arm64: Delay enabling hardware DBM feature
  arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35
  arm64: capabilities: Handle shared entries
  arm64: capabilities: Add support for checks based on a list of MIDRs
  arm64: Add helpers for checking CPU MIDR against a range
  arm64: capabilities: Clean up midr range helpers
  arm64: capabilities: Change scope of VHE to Boot CPU feature
  ...
 2018-04-04 16:01:43 -07:00
Linus Torvalds
5b1f3dc927 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull irq updates from Thomas Gleixner:
 "The usual pile of boring changes:

   - Consolidate tasklet functions to share code instead of duplicating
     it

   - The first step for making the low level entry handler management on
     multi-platform kernels generic

   - A new sysfs file which allows to retrieve the wakeup state of
     interrupts.

   - Ensure that the interrupt thread follows the effective affinity and
     not the programmed affinity to avoid cross core wakeups.

   - Two new interrupt controller drivers (Microsemi Ocelot and Qualcomm
     PDC)

   - Fix the wakeup path clock handling for Reneasas interrupt chips.

   - Rework the boot time register reset for ARM GIC-V2/3

   - Better suspend/resume support for ARM GIV-V3/ITS

   - Add missing locking to the ARM GIC set_type() callback

   - Small fixes for the irq simulator code

   - SPDX identifiers for the irq core code and removal of boiler plate

   - Small cleanups all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
  openrisc: Set CONFIG_MULTI_IRQ_HANDLER
  arm64: Set CONFIG_MULTI_IRQ_HANDLER
  genirq: Make GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER
  irqchip/gic: Take lock when updating irq type
  irqchip/gic: Update supports_deactivate static key to modern api
  irqchip/gic-v3: Ensure GICR_CTLR.EnableLPI=0 is observed before enabling
  irqchip: Add a driver for the Microsemi Ocelot controller
  dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller
  irqchip/gic-v3: Probe for SCR_EL3 being clear before resetting AP0Rn
  irqchip/gic-v3: Don't try to reset AP0Rn
  irqchip/gic-v3: Do not check trigger configuration of partitionned LPIs
  genirq: Remove license boilerplate/references
  genirq: Add missing SPDX identifiers
  genirq/matrix: Cleanup SPDX identifier
  genirq: Cleanup top of file comments
  genirq: Pass desc to __irq_free instead of irq number
  irqchip/gic-v3: Loudly complain about the use of IRQ_TYPE_NONE
  irqchip/gic: Loudly complain about the use of IRQ_TYPE_NONE
  RISC-V: Move to the new GENERIC_IRQ_MULTI_HANDLER handler
  genirq: Add CONFIG_GENERIC_IRQ_MULTI_HANDLER
  ...
 2018-04-04 15:19:26 -07:00
Linus Torvalds
680014d6d1 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull time(r) updates from Thomas Gleixner:
 "A small set of updates for timers and timekeeping:

   - The most interesting change is the consolidation of clock MONOTONIC
     and clock BOOTTIME.

     Clock MONOTONIC behaves now exactly like clock BOOTTIME and does
     not longer ignore the time spent in suspend. A new clock
     MONOTONIC_ACTIVE is provived which behaves like clock MONOTONIC in
     kernels before this change. This allows applications to
     programmatically check for the clock MONOTONIC behaviour.

     As discussed in the review thread, this has the potential of
     breaking user space and we might have to revert this. Knock on wood
     that we can avoid that exercise.

   - Updates to the NTP mechanism to improve accuracy

   - A new kernel internal data structure to aid the ongoing Y2038 work.

   - Cleanups and simplifications of the clocksource code.

   - Make the alarmtimer code play nicely with debugobjects"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  alarmtimer: Init nanosleep alarm timer on stack
  y2038: Introduce struct __kernel_old_timeval
  tracing: Unify the "boot" and "mono" tracing clocks
  hrtimer: Unify MONOTONIC and BOOTTIME clock behavior
  posix-timers: Unify MONOTONIC and BOOTTIME clock behavior
  timekeeping: Remove boot time specific code
  Input: Evdev - unify MONOTONIC and BOOTTIME clock behavior
  timekeeping: Make the MONOTONIC clock behave like the BOOTTIME clock
  timekeeping: Add the new CLOCK_MONOTONIC_ACTIVE clock
  timekeeping/ntp: Determine the multiplier directly from NTP tick length
  timekeeping/ntp: Don't align NTP frequency adjustments to ticks
  clocksource: Use ATTRIBUTE_GROUPS
  clocksource: Use DEVICE_ATTR_RW/RO/WO to define device attributes
  clocksource: Don't walk the clocksource list for empty override
 2018-04-04 14:50:29 -07:00
Linus Torvalds
0c21fd6e65 A few random (cough, cough) cleanups for the /dev/random driver 
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull /dev/random updates from Ted Ts'o:
 "A few random (cough, cough) cleanups for the /dev/random driver"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  drivers/char/random.c: remove unused dont_count_entropy
  random: optimize add_interrupt_randomness
  random: always fill buffer in get_random_bytes_wait
  random: use a tighter cap in credit_entropy_bits_safe()
 2018-04-04 14:31:53 -07:00
Linus Torvalds
3e968c9f14 Cleanups and bugfixes for ext4, including some fixes to make ext4 more 
robust against maliciously crafted file system images.  (I still don't
 recommend that container folks hold any delusions that mounting
 arbitary images that can be crafted by malicious attackers should be
 considered sane thing to do, though!)
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Cleanups and bugfixes for ext4, including some fixes to make ext4 more
  robust against maliciously crafted file system images.

  (I still don't recommend that container folks hold any delusions that
  mounting arbitary images that can be crafted by malicious attackers
  should be considered sane thing to do, though!)"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits)
  ext4: force revalidation of directory pointer after seekdir(2)
  ext4: add extra checks to ext4_xattr_block_get()
  ext4: add bounds checking to ext4_xattr_find_entry()
  ext4: move call to ext4_error() into ext4_xattr_check_block()
  ext4: don't show data=<mode> option if defaulted
  ext4: omit init_itable=n in procfs when disabled
  ext4: show more binary mount options in procfs
  ext4: simplify kobject usage
  ext4: remove unused parameters in sysfs code
  ext4: null out kobject* during sysfs cleanup
  ext4: don't allow r/w mounts if metadata blocks overlap the superblock
  ext4: always initialize the crc32c checksum driver
  ext4: fail ext4_iget for root directory if unallocated
  ext4: limit xattr size to INT_MAX
  ext4: add validity checks for bitmap block numbers
  ext4: fix comments in ext4_swap_extents()
  ext4: use generic_writepages instead of __writepage/write_cache_pages
  ext4: don't complain about incorrect features when probing
  ext4: remove EXT4_STATE_DIOREAD_LOCK flag
  ext4: fix offset overflow on 32-bit archs in ext4_iomap_begin()
  ...
 2018-04-04 14:19:24 -07:00
Linus Torvalds
a8f8e8ac76 various SMB3/CIFS fixes for 4.17 
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Merge tag '4.17-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:
 "Includes SMB3.11 security improvements, as well as various fixes for
  stable and some debugging improvements"

* tag '4.17-SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Add minor debug message during negprot
  smb3: Fix root directory when server returns inode number of zero
  cifs: fix sparse warning on previous patch in a few printks
  cifs: add server->vals->header_preamble_size
  cifs: smbd: disconnect transport on RDMA errors
  cifs: smbd: avoid reconnect lockup
  Don't log confusing message on reconnect by default
  Don't log expected error on DFS referral request
  fs: cifs: Replace _free_xid call in cifs_root_iget function
  SMB3.1.1 dialect is no longer experimental
  Tree connect for SMB3.1.1 must be signed for non-encrypted shares
  fix smb3-encryption breakage when CONFIG_DEBUG_SG=y
  CIFS: fix sha512 check in cifs_crypto_secmech_release
  CIFS: implement v3.11 preauth integrity
  CIFS: add sha512 secmech
  CIFS: refactor crypto shash/sdesc allocation&free
  Update README file for cifs.ko
  Update TODO list for cifs.ko
  cifs: fix memory leak in SMB2_open()
  CIFS: SMBD: fix spelling mistake: "faield" and "legnth"
 2018-04-04 14:09:27 -07:00
Linus Torvalds
2bd99df54f We've only got 9 GFS2 patches for this merge window: 
1. Abhi Das contributed a patch to report journal recovery times more
    accurately during journal replay.
 2. Andreas Gruenbacher contributed a patch to fix fallocate chunk size.
 3. Andreas added a patch to correctly dirty inodes during rename.
 4. Andreas added a patch to improve the comment for function gfs2_block_map.
 5. Andreas added a patch to improve kernel trace point iomap end:
    The physical block address was added.
 6. Andreas added a patch to fix a nasty file system corruption bug that
    surfaced in xfstests 476 in punch-hole/truncate.
 7. Andreas fixed a problem Christoph Helwig pointed out, namely, that GFS2
    was misusing the IOMAP_ZERO flag. The zeroing of new blocks was moved
    to the proper fallocate code.
 8. I contributed a patch to declare function gfs2_remove_from_ail as static.
 9. I added a patch to only set PageChecked for jdata page writes.
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Merge tag 'gfs2-4.17.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Bob Peterson:
 "We've only got nine GFS2 patches for this merge window:

   - report journal recovery times more accurately during journal replay
     (Abhi Das)

   - fix fallocate chunk size (Andreas Gruenbacher)

   - correctly dirty inodes during rename (Andreas Gruenbacher)

   - improve the comment for function gfs2_block_map (Andreas
     Gruenbacher)

   - improve kernel trace point iomap end: The physical block address
     was added (Andreas Gruenbacher)

   - fix a nasty file system corruption bug that surfaced in xfstests
     476 in punch-hole/truncate (Andreas Gruenbacher)

   - fix a problem Christoph Helwig pointed out, namely, that GFS2 was
     misusing the IOMAP_ZERO flag. The zeroing of new blocks was moved
     to the proper fallocate code (Andreas Gruenbacher)

   - declare function gfs2_remove_from_ail as static (Bob Peterson)

   - only set PageChecked for jdata page writes (Bob Peterson)"

* tag 'gfs2-4.17.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: time journal recovery steps accurately
  gfs2: Zero out fallocated blocks in fallocate_chunk
  gfs2: Check for the end of metadata in punch_hole
  gfs2: gfs2_iomap_end tracepoint: log block address
  gfs2: Improve gfs2_block_map comment
  GFS2: Only set PageChecked for jdata pages
  GFS2: Make function gfs2_remove_from_ail static
  gfs2: Dirty source inode during rename
  gfs2: Fix fallocate chunk size
 2018-04-04 13:09:42 -07:00
Linus Torvalds
94514bbe9e for-4.17-tag 
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Merge tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "There are a several user visible changes, the rest is mostly invisible
  and continues to clean up the whole code base.

  User visible changes:
   - new mount option nossd_spread (pair for ssd_spread)

   - mount option subvolid will detect junk after the number and fail
     the mount

   - add message after cancelled device replace

   - direct module dependency on libcrc32, removed own crc wrappers

   - removed user space transaction ioctls

   - use lighter locking when reading /proc/self/mounts, RCU instead of
     mutex to avoid unnecessary contention

  Enhancements:
   - skip writeback of last page when truncating file to same size

   - send: do not issue unnecessary truncate operations

   - mount option token specifiers: use %u for unsigned values, more
     validation

   - selftests: more tree block validations

  qgroups:
   - preparatory work for splitting reservation types for data and
     metadata, this should allow for more accurate tracking and fix some
     issues with underflows or do further enhancements

   - split metadata reservations for started and joined transaction so
     they do not get mixed up and are accounted correctly at commit time

   - with the above, it's possible to revert patch that potentially
     deadlocks when trying to make more space by explicitly committing
     when the quota limit is hit

   - fix root item corruption when multiple same source snapshots are
     created with quota enabled

  RAID56:
   - make sure target is identical to source when raid56 rebuild fails
     after dev-replace

   - faster rebuild during scrub, batch by stripes and not
     block-by-block

   - make more use of cached data when rebuilding from a missing device

  Fixes:
   - null pointer deref when device replace target is missing

   - fix fsync after hole punching when using no-holes feature

   - fix lockdep splat when allocating percpu data with wrong GFP flags

  Cleanups, refactoring, core changes:
   - drop redunant parameters from various functions

   - kill and opencode trivial helpers

   - __cold/__exit function annotations

   - dead code removal

   - continued audit and documentation of memory barriers

   - error handling: handle removal from uuid tree

   - error handling: remove handling of impossible condtitons

   - more debugging or error messages

   - updated tracepoints

   - one VLA use removal (and one still left)"

* tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (164 commits)
  btrfs: lift errors from add_extent_changeset to the callers
  Btrfs: print error messages when failing to read trees
  btrfs: user proper type for btrfs_mask_flags flags
  btrfs: split dev-replace locking helpers for read and write
  btrfs: remove stale comments about fs_mutex
  btrfs: use RCU in btrfs_show_devname for device list traversal
  btrfs: update barrier in should_cow_block
  btrfs: use lockdep_assert_held for mutexes
  btrfs: use lockdep_assert_held for spinlocks
  btrfs: Validate child tree block's level and first key
  btrfs: tests/qgroup: Fix wrong tree backref level
  Btrfs: fix copy_items() return value when logging an inode
  Btrfs: fix fsync after hole punching when using no-holes feature
  btrfs: use helper to set ulist aux from a qgroup
  Revert "btrfs: qgroups: Retry after commit on getting EDQUOT"
  btrfs: qgroup: Update trace events for metadata reservation
  btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space
  btrfs: delayed-inode: Use new qgroup meta rsv for delayed inode and item
  btrfs: qgroup: Use separate meta reservation type for delalloc
  btrfs: qgroup: Introduce function to convert META_PREALLOC into META_PERTRANS
  ...
 2018-04-04 13:03:38 -07:00
Linus Torvalds
547c43d777 Changes for this release: 
- Various cleanups and code fixes
 - Implement lazytime as a mount option
 - Convert various on-disk metadata checks from asserts to -EFSCORRUPTED
 - Fix accounting problems with the rmap per-ag reservations
 - Refactorings and cleanups for xfs_log_force
 - Various bugfixes for the reflink code
 - Work around v5 AGFL padding problems to prevent fs shutdowns
 - Establish inode fork verifiers to inspect on-disk metadata correctness
 - Various online scrub fixes
 - Fix v5 swapext blowing up on deleted inodes
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Merge tag 'xfs-4.17-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Darrick Wong:
 "Here's the first round of fixes for XFS for 4.17.

  The biggest new features this time around are the addition of lazytime
  support, further enhancement of the on-disk inode metadata verifiers,
  and a patch to smooth over some of the AGFL padding problems that have
  intermittently plagued users since 4.5. I forsee sending a second pull
  request next week with further bug fixes and speedups in the online
  scrub code and elsewhere.

  This series has been run through a full xfstests run over the weekend
  and through a quick xfstests run against this morning's master, with
  no major failures reported.

  Summary of changes for this release:

   - Various cleanups and code fixes

   - Implement lazytime as a mount option

   - Convert various on-disk metadata checks from asserts to -EFSCORRUPTED

   - Fix accounting problems with the rmap per-ag reservations

   - Refactorings and cleanups for xfs_log_force

   - Various bugfixes for the reflink code

   - Work around v5 AGFL padding problems to prevent fs shutdowns

   - Establish inode fork verifiers to inspect on-disk metadata
     correctness

   - Various online scrub fixes

   - Fix v5 swapext blowing up on deleted inodes"

* tag 'xfs-4.17-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (49 commits)
  xfs: do not log/recover swapext extent owner changes for deleted inodes
  xfs: clean up xfs_mount allocation and dynamic initializers
  xfs: remove dead inode version setting code
  xfs: catch inode allocation state mismatch corruption
  xfs: xfs_scrub_iallocbt_xref_rmap_inodes should use xref_set_corrupt
  xfs: flag inode corruption if parent ptr doesn't get us a real inode
  xfs: don't accept inode buffers with suspicious unlinked chains
  xfs: move inode extent size hint validation to libxfs
  xfs: record inode buf errors as a xref error in inobt scrubber
  xfs: remove xfs_buf parameter from inode scrub methods
  xfs: inode scrubber shouldn't bother with raw checks
  xfs: bmap scrubber should do rmap xref with bmap for sparse files
  xfs: refactor inode buffer verifier error logging
  xfs: refactor inode verifier error logging
  xfs: refactor bmap record validation
  xfs: sanity-check the unused space before trying to use it
  xfs: detect agfl count corruption and reset agfl
  xfs: unwind the try_again loop in xfs_log_force
  xfs: refactor xfs_log_force_lsn
  xfs: minor cleanup for xfs_reflink_end_cow
  ...
 2018-04-04 12:44:02 -07:00
Linus Torvalds
2e08edc5c5 Merge branch 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull vfs dcache updates from Al Viro:
 "Part of this is what the trylock loop elimination series has turned
  into, part making d_move() preserve the parent (and thus the path) of
  victim, plus some general cleanups"

* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (22 commits)
  d_genocide: move export to definition
  fold dentry_lock_for_move() into its sole caller and clean it up
  make non-exchanging __d_move() copy ->d_parent rather than swap them
  oprofilefs: don't oops on allocation failure
  lustre: get rid of pointless casts to struct dentry *
  debugfs_lookup(): switch to lookup_one_len_unlocked()
  fold lookup_real() into __lookup_hash()
  take out orphan externs (empty_string/slash_string)
  split d_path() and friends into a separate file
  dcache.c: trim includes
  fs/dcache: Avoid a try_lock loop in shrink_dentry_list()
  get rid of trylock loop around dentry_kill()
  handle move to LRU in retain_dentry()
  dput(): consolidate the "do we need to retain it?" into an inlined helper
  split the slow part of lock_parent() off
  now lock_parent() can't run into killed dentry
  get rid of trylock loop in locking dentries on shrink list
  d_delete(): get rid of trylock loop
  fs/dcache: Move dentry_kill() below lock_parent()
  fs/dcache: Remove stale comment from dentry_kill()
  ...
 2018-04-04 12:05:25 -07:00
Palmer Dabbelt
83fbdf1c05 openrisc: Set CONFIG_MULTI_IRQ_HANDLER 
arm has an optional MULTI_IRQ_HANDLER, which openrisc copied but didn't
make optional.  The multi irq handler infrastructure has been copied to
generic code selectable with a new config symbol. That symbol can be
selected by randconfig builds and can cause build breakage.

Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The openrisc local config
symbol will be removed once openrisc gets converted to the generic code.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-3-palmer@sifive.com
 2018-04-04 12:04:28 +02:00
Palmer Dabbelt
667b24d049 arm64: Set CONFIG_MULTI_IRQ_HANDLER 
arm has an optional MULTI_IRQ_HANDLER, which arm64 copied but didn't make
optional.  The multi irq handler infrastructure has been copied to generic
code selectable with a new config symbol. That symbol can be selected by
randconfig builds and can cause build breakage.

Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The arm64 local config symbol
will be removed once arm64 gets converted to the generic code.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-2-palmer@sifive.com
 2018-04-04 12:04:28 +02:00
Palmer Dabbelt
d6f73825dc genirq: Make GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER 
These config switches enable the same code in the core and the not yet
converted architecture code. They can be selected both by randconfig builds
and cause linker error because the same symbols are defined twice.

Make the new GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER to
prevent that. The dependency will be removed once all architectures are
converted over.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-4-palmer@sifive.com
 2018-04-04 12:04:28 +02:00
Al Viro
04bbc9795d Merge branch 'old.dcache' into work.dcache 2018-04-04 00:40:19 -04:00
Linus Torvalds
17dec0a949 Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 
Pull namespace updates from Eric Biederman:
 "There was a lot of work this cycle fixing bugs that were discovered
  after the merge window and getting everything ready where we can
  reasonably support fully unprivileged fuse. The bug fixes you already
  have and much of the unprivileged fuse work is coming in via other
  trees.

  Still left for fully unprivileged fuse is figuring out how to cleanly
  handle .set_acl and .get_acl in the legacy case, and properly handling
  of evm xattrs on unprivileged mounts.

  Included in the tree is a cleanup from Alexely that replaced a linked
  list with a statically allocated fix sized array for the pid caches,
  which simplifies and speeds things up.

  Then there is are some cleanups and fixes for the ipc namespace. The
  motivation was that in reviewing other code it was discovered that
  access ipc objects from different pid namespaces recorded pids in such
  a way that when asked the wrong pids were returned. In the worst case
  there has been a measured 30% performance impact for sysvipc
  semaphores. Other test cases showed no measurable performance impact.
  Manfred Spraul and Davidlohr Bueso who tend to work on sysvipc
  performance both gave the nod that this is good enough.

  Casey Schaufler and James Morris have given their approval to the LSM
  side of the changes.

  I simplified the types and the code dealing with sysvipc to pass just
  kern_ipc_perm for all three types of ipc. Which reduced the header
  dependencies throughout the kernel and simplified the lsm code.

  Which let me work on the pid fixes without having to worry about
  trivial changes causing complete kernel recompiles"

* 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  ipc/shm: Fix pid freeing.
  ipc/shm: fix up for struct file no longer being available in shm.h
  ipc/smack: Tidy up from the change in type of the ipc security hooks
  ipc: Directly call the security hook in ipc_ops.associate
  ipc/sem: Fix semctl(..., GETPID, ...) between pid namespaces
  ipc/msg: Fix msgctl(..., IPC_STAT, ...) between pid namespaces
  ipc/shm: Fix shmctl(..., IPC_STAT, ...) between pid namespaces.
  ipc/util: Helpers for making the sysvipc operations pid namespace aware
  ipc: Move IPCMNI from include/ipc.h into ipc/util.h
  msg: Move struct msg_queue into ipc/msg.c
  shm: Move struct shmid_kernel into ipc/shm.c
  sem: Move struct sem and struct sem_array into ipc/sem.c
  msg/security: Pass kern_ipc_perm not msg_queue into the msg_queue security hooks
  shm/security: Pass kern_ipc_perm not shmid_kernel into the shm security hooks
  sem/security: Pass kern_ipc_perm not sem_array into the sem security hooks
  pidns: simpler allocation of pid_* caches
 2018-04-03 19:15:32 -07:00
Linus Torvalds
d92cd810e6 Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 
Pull workqueue updates from Tejun Heo:
 "rcu_work addition and a couple trivial changes"

* 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: remove the comment about the old manager_arb mutex
  workqueue: fix the comments of nr_idle
  fs/aio: Use rcu_work instead of explicit rcu and work item
  cgroup: Use rcu_work instead of explicit rcu and work item
  RCU, workqueue: Implement rcu_work
 2018-04-03 18:00:13 -07:00
Linus Torvalds
a23867f1d2 Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 
Pull libata updates from Tejun Heo:
 "Nothing too interesting.

  The biggest change is refcnting fix for ata_host - the bug is recent
  and can only be triggered on controller hotplug, so very few are
  hitting it.

  There also are a number of trivial license / error message changes and
  some hardware specific changes"

* 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (23 commits)
  ahci: imx: add the imx8qm ahci sata support
  libata: ensure host is free'd on error exit paths
  ata: ahci-platform: add reset control support
  ahci: imx: fix the build warning
  ata: add Amiga Gayle PATA controller driver
  ahci: imx: add the imx6qp ahci sata support
  ata: change Tegra124 to Tegra
  ata: ahci_tegra: Add AHCI support for Tegra210
  ata: ahci_tegra: disable DIPM
  ata: ahci_tegra: disable devslp for Tegra124
  ata: ahci_tegra: initialize regulators from soc struct
  ata: ahci_tegra: Update initialization sequence
  dt-bindings: Tegra210: add binding documentation
  libata: add refcounting to ata_host
  pata_bk3710: clarify license version and use SPDX header
  pata_falcon: clarify license version and use SPDX header
  pata_it821x: Delete an error message for a failed memory allocation in it821x_firmware_command()
  pata_macio: Delete an error message for a failed memory allocation in two functions
  pata_mpc52xx: Delete an error message for a failed memory allocation in mpc52xx_ata_probe()
  sata_dwc_460ex: Delete an error message for a failed memory allocation in sata_dwc_port_start()
  ...
 2018-04-03 17:42:25 -07:00
Linus Torvalds
ef1c4a6fa9 media updates for v4.17-rc1 
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Merge tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - new CEC pin injection code for testing purposes

 - DVB frontend cxd2099 promoted from staging

 - new platform driver for Sony cxd2880 DVB devices

 - new sensor drivers: mt9t112, ov2685, ov5695, ov772x, tda1997x,
   tw9910.c

 - removal of unused cx18 and ivtv alsa mixers

 - the reneseas-ceu driver doesn't depend on soc_camera anymore and
   moved from staging

 - removed the mantis_vp3028 driver, unused since 2009

 - s5p-mfc: add support for version 10 of the MSP

 - added a decoder for imon protocol

 - atomisp: lots of cleanups

 - imx074 and mt9t031: don't depend on soc_camera anymore, being
   promoted from staging

 - added helper functions to better support DVB I2C binding

 - lots of driver improvements and cleanups

* tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (438 commits)
  media: v4l2-ioctl: rename a temp var that stores _IOC_SIZE(cmd)
  media: fimc-capture: get rid of two warnings
  media: dvb-usb-v2: fix a missing dependency of I2C_MUX
  media: uvc: to the right check at uvc_ioctl_enum_framesizes()
  media: cec-core: fix a bug at cec_error_inj_write()
  media: tda9840: cleanup a warning
  media: tm6000:  avoid casting just to print pointer address
  media: em28xx-input: improve error handling code
  media: zr364xx: avoid casting just to print pointer address
  media: vivid-radio-rx: add a cast to avoid a warning
  media: saa7134-alsa: don't use casts to print a buffer address
  media: solo6x10: get rid of an address space warning
  media: zoran: don't cast pointers to print them
  media: ir-kbd-i2c: change the if logic to avoid a warning
  media: ir-kbd-i2c: improve error handling code
  media: saa7134-input: improve error handling
  media: s2255drv: fix a casting warning
  media: ivtvfb: Cleanup some warnings
  media: videobuf-dma-sg: Fix a weird cast
  soc_camera: fix a weird cast on printk
  ...
 2018-04-03 17:16:59 -07:00
Linus Torvalds
147a89bc71 Kconfig updates for v4.17 
- improve checkpatch for more precise Kconfig code checking
 
 - clarify effective selects by grouping reverse dependencies in help
 
 - do not write out '# CONFIG_FOO is not set' from invisible symbols
 
 - make oldconfig as silent as it should be
 
 - rename 'silentoldconfig' to 'syncconfig'
 
 - add unit-test framework and several test cases
 
 - warn unmet dependency of tristate symbols
 
 - make unmet dependency warnings readable, removing false positives
 
 - improve recursive include detection
 
 - use yylineno to simplify the line number tracking
 
 - misc cleanups
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Merge tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:

 - improve checkpatch for more precise Kconfig code checking

 - clarify effective selects by grouping reverse dependencies in help

 - do not write out '# CONFIG_FOO is not set' from invisible symbols

 - make oldconfig as silent as it should be

 - rename 'silentoldconfig' to 'syncconfig'

 - add unit-test framework and several test cases

 - warn unmet dependency of tristate symbols

 - make unmet dependency warnings readable, removing false positives

 - improve recursive include detection

 - use yylineno to simplify the line number tracking

 - misc cleanups

* tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits)
  kconfig: use yylineno option instead of manual lineno increments
  kconfig: detect recursive inclusion earlier
  kconfig: remove duplicated file name and lineno of recursive inclusion
  kconfig: do not include both curses.h and ncurses.h for nconfig
  kconfig: make unmet dependency warnings readable
  kconfig: warn unmet direct dependency of tristate symbols selected by y
  kconfig: tests: test if recursive inclusion is detected
  kconfig: tests: test if recursive dependencies are detected
  kconfig: tests: test randconfig for choice in choice
  kconfig: tests: test defconfig when two choices interact
  kconfig: tests: check visibility of tristate choice values in y choice
  kconfig: tests: check unneeded "is not set" with unmet dependency
  kconfig: tests: test if new symbols in choice are asked
  kconfig: tests: test automatic submenu creation
  kconfig: tests: add basic choice tests
  kconfig: tests: add framework for Kconfig unit testing
  kbuild: add PYTHON2 and PYTHON3 variables
  kconfig: remove redundant streamline_config.pl prerequisite
  kconfig: rename silentoldconfig to syncconfig
  kconfig: invoke oldconfig instead of silentoldconfig from local*config
  ...
 2018-04-03 16:28:01 -07:00
Linus Torvalds
3b24b83763 Kbuild updates for v4.17 
- add a shell script to get Clang version
 
 - improve portability of build scripts
 
 - drop always-enabled CONFIG_THIN_ARCHIVE and remove unused code
 
 - rename built-in.o which is now thin archive to built-in.a
 
 - process clean/build targets one by one to get along with -j option
 
 - simplify ld-option
 
 - improve building with CONFIG_TRIM_UNUSED_KSYMS
 
 - define KBUILD_MODNAME even for objects shared among multiple modules
 
 - avoid linking multiple instances of same objects from composite objects
 
 - move <linux/compiler_types.h> to c_flags to include it only for C files
 
 - clean-up various Makefiles
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Merge tag 'kbuild-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - add a shell script to get Clang version

 - improve portability of build scripts

 - drop always-enabled CONFIG_THIN_ARCHIVE and remove unused code

 - rename built-in.o which is now thin archive to built-in.a

 - process clean/build targets one by one to get along with -j option

 - simplify ld-option

 - improve building with CONFIG_TRIM_UNUSED_KSYMS

 - define KBUILD_MODNAME even for objects shared among multiple modules

 - avoid linking multiple instances of same objects from composite
   objects

 - move <linux/compiler_types.h> to c_flags to include it only for C
   files

 - clean-up various Makefiles

* tag 'kbuild-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits)
  kbuild: get <linux/compiler_types.h> out of <linux/kconfig.h>
  kbuild: clean up link rule of composite modules
  kbuild: clean up archive rule of built-in.a
  kbuild: remove partial section mismatch detection for built-in.a
  net: liquidio: clean up Makefile for simpler composite object handling
  lib: zstd: clean up Makefile for simpler composite object handling
  kbuild: link $(real-obj-y) instead of $(obj-y) into built-in.a
  kbuild: rename real-objs-y/m to real-obj-y/m
  kbuild: move modname and modname-multi close to modname_flags
  kbuild: simplify modname calculation
  kbuild: fix modname for composite modules
  kbuild: define KBUILD_MODNAME even if multiple modules share objects
  kbuild: remove unnecessary $(subst $(obj)/, , ...) in modname-multi
  kbuild: Use ls(1) instead of stat(1) to obtain file size
  kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS
  kbuild: move include/config/ksym/* to include/ksym/*
  kbuild: move CONFIG_TRIM_UNUSED_KSYMS code unneeded for external module
  kbuild: restore autoksyms.h touch to the top Makefile
  kbuild: move 'scripts' target below
  kbuild: remove wrong 'touch' in adjust_autoksyms.sh
  ...
 2018-04-03 15:51:22 -07:00
Linus Torvalds
0734e00ef9 Merge branch 'parisc-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 
Pull parisc updates from Helge Deller:
 "Lots of small enhancements and fixes in this patchset:

   - improved the x86-64 compatibility for PCI cards by returning -1UL
     for timed out MMIO transactions (instead of crashing)

   - fixed HPMC handler for PAT machines: size needs to be multiple of 16

   - prepare machine_power_off() to be able to turn rp3410 and c8000
     machines off via IMPI

   - added code to extract machine info for usage with qemu

   - some init sections fixes

   - lots of fixes for sparse-, ubsan- and uninitalized variables
     warnings"

* 'parisc-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix out of array access in match_pci_device()
  parisc: Add code generator for Qemu/SeaBIOS machine info
  parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
  parisc: Fix HPMC handler by increasing size to multiple of 16 bytes
  parisc: Directly call machine_power_off() in power button driver
  parisc: machine_power_off() should call pm_power_off()
  parisc/Kconfig: SMP kernels boot on all machines
  parisc: Silence uninitialized variable warning in dbl_to_sgl_fcnvff()
  parisc: Move various functions and strings to init section
  parisc: Convert MAP_TYPE to cover 4 bits on parisc
  parisc: Force to various endian types for sparse
  parisc/gscps2: Fix sparse warnings
  parisc/led: Fix sparse warnings
  parisc/parport_gsc: Use NULL to avoid sparse warning
  parisc/stifb: Use fb_memset() to avoid sparse warning
 2018-04-03 15:48:04 -07:00
Linus Torvalds
4608f06453 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 
Pull sparc updates from David Miller:

 1) Add support for ADI (Application Data Integrity) found in more
    recent sparc64 cpus. Essentially this is keyed based access to
    virtual memory, and if the key encoded in the virual address is
    wrong you get a trap.

    The mm changes were reviewed by Andrew Morton and others.

    Work by Khalid Aziz.

 2) Validate DAX completion index range properly, from Rob Gardner.

 3) Add proper Kconfig deps for DAX driver. From Guenter Roeck.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
  sparc64: Make atomic_xchg() an inline function rather than a macro.
  sparc64: Properly range check DAX completion index
  sparc: Make auxiliary vectors for ADI available on 32-bit as well
  sparc64: Oracle DAX driver depends on SPARC64
  sparc64: Update signal delivery to use new helper functions
  sparc64: Add support for ADI (Application Data Integrity)
  mm: Allow arch code to override copy_highpage()
  mm: Clear arch specific VM flags on protection change
  mm: Add address parameter to arch_validate_prot()
  sparc64: Add auxiliary vectors to report platform ADI properties
  sparc64: Add handler for "Memory Corruption Detected" trap
  sparc64: Add HV fault type handlers for ADI related faults
  sparc64: Add support for ADI register fields, ASIs and traps
  mm, swap: Add infrastructure for saving page metadata on swap
  signals, sparc: Add signal codes for ADI violations
 2018-04-03 14:08:58 -07:00
Linus Torvalds
5bb053bef8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:

 1) Support offloading wireless authentication to userspace via
    NL80211_CMD_EXTERNAL_AUTH, from Srinivas Dasari.

 2) A lot of work on network namespace setup/teardown from Kirill Tkhai.
    Setup and cleanup of namespaces now all run asynchronously and thus
    performance is significantly increased.

 3) Add rx/tx timestamping support to mv88e6xxx driver, from Brandon
    Streiff.

 4) Support zerocopy on RDS sockets, from Sowmini Varadhan.

 5) Use denser instruction encoding in x86 eBPF JIT, from Daniel
    Borkmann.

 6) Support hw offload of vlan filtering in mvpp2 dreiver, from Maxime
    Chevallier.

 7) Support grafting of child qdiscs in mlxsw driver, from Nogah
    Frankel.

 8) Add packet forwarding tests to selftests, from Ido Schimmel.

 9) Deal with sub-optimal GSO packets better in BBR congestion control,
    from Eric Dumazet.

10) Support 5-tuple hashing in ipv6 multipath routing, from David Ahern.

11) Add path MTU tests to selftests, from Stefano Brivio.

12) Various bits of IPSEC offloading support for mlx5, from Aviad
    Yehezkel, Yossi Kuperman, and Saeed Mahameed.

13) Support RSS spreading on ntuple filters in SFC driver, from Edward
    Cree.

14) Lots of sockmap work from John Fastabend. Applications can use eBPF
    to filter sendmsg and sendpage operations.

15) In-kernel receive TLS support, from Dave Watson.

16) Add XDP support to ixgbevf, this is significant because it should
    allow optimized XDP usage in various cloud environments. From Tony
    Nguyen.

17) Add new Intel E800 series "ice" ethernet driver, from Anirudh
    Venkataramanan et al.

18) IP fragmentation match offload support in nfp driver, from Pieter
    Jansen van Vuuren.

19) Support XDP redirect in i40e driver, from Björn Töpel.

20) Add BPF_RAW_TRACEPOINT program type for accessing the arguments of
    tracepoints in their raw form, from Alexei Starovoitov.

21) Lots of striding RQ improvements to mlx5 driver with many
    performance improvements, from Tariq Toukan.

22) Use rhashtable for inet frag reassembly, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1678 commits)
  net: mvneta: improve suspend/resume
  net: mvneta: split rxq/txq init and txq deinit into SW and HW parts
  ipv6: frags: fix /proc/sys/net/ipv6/ip6frag_low_thresh
  net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
  net: bgmac: Correctly annotate register space
  route: check sysctl_fib_multipath_use_neigh earlier than hash
  fix typo in command value in drivers/net/phy/mdio-bitbang.
  sky2: Increase D3 delay to sky2 stops working after suspend
  net/mlx5e: Set EQE based as default TX interrupt moderation mode
  ibmvnic: Disable irqs before exiting reset from closed state
  net: sched: do not emit messages while holding spinlock
  vlan: also check phy_driver ts_info for vlan's real device
  Bluetooth: Mark expected switch fall-throughs
  Bluetooth: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for BTUSB_QCA_ROME
  Bluetooth: btrsi: remove unused including <linux/version.h>
  Bluetooth: hci_bcm: Remove DMI quirk for the MINIX Z83-4
  sh_eth: kill useless check in __sh_eth_get_regs()
  sh_eth: add sh_eth_cpu_data::no_xdfar flag
  ipv6: factorize sk_wmem_alloc updates done by __ip6_append_data()
  ipv4: factorize sk_wmem_alloc updates done by __ip_append_data()
  ...
 2018-04-03 14:04:18 -07:00
Linus Torvalds
bb2407a721 There's been a fair amount of activity in Documentation/ this time around: 
- Lots of work aligning Documentation/ABI with reality, done by Aishwarya
    Pant.
 
  - The trace documentation has been converted to RST by Changbin Du
 
  - I thrashed up kernel-doc to deal with a parsing issue and to try to make
    the code more readable.  It's still a 20+-year-old Perl hack, though.
 
  - Lots of other updates, typo fixes, and more.
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Merge tag 'docs-4.17' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "There's been a fair amount of activity in Documentation/ this time
  around:

   - Lots of work aligning Documentation/ABI with reality, done by
     Aishwarya Pant.

   - The trace documentation has been converted to RST by Changbin Du

   - I thrashed up kernel-doc to deal with a parsing issue and to try to
     make the code more readable. It's still a 20+-year-old Perl hack,
     though.

   - Lots of other updates, typo fixes, and more"

* tag 'docs-4.17' of git://git.lwn.net/linux: (82 commits)
  Documentation/process: update FUSE project website
  docs: kernel-doc: fix parsing of arrays
  dmaengine: Fix spelling for parenthesis in dmatest documentation
  dmaengine: Make dmatest.rst indeed reST compatible
  dmaengine: Add note to dmatest documentation about supported channels
  Documentation: magic-numbers: Fix typo
  Documentation: admin-guide: add kvmconfig, xenconfig and tinyconfig commands
  Input: alps - Update documentation for trackstick v3 format
  Documentation: Mention why %p prints ptrval
  COPYING: use the new text with points to the license files
  COPYING: create a new file with points to the Kernel license files
  Input: trackpoint: document sysfs interface
  xfs: Change URL for the project in xfs.txt
  char/bsr: add sysfs interface documentation
  acpi: nfit: document sysfs interface
  block: rbd: update sysfs interface
  Documentation/sparse: fix typo
  Documentation/CodingStyle: Add an example for braces
  docs/vm: update 00-INDEX
  kernel-doc: Remove __sched markings
  ...
 2018-04-03 13:35:51 -07:00
Linus Torvalds
e40dc66220 LED updates for 4.17-rc1 
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Merge tag 'leds_for_4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "New LED class driver:
   - add driver for Mellanox regmap LEDs

  Improvement to ledtrig-disk:
   - extend disk trigger for reads and writes

  Improvements and fixes to existing LED class drivers:
   - add more product/board names for PC Engines APU2
   - fix wrong dmi_match on PC Engines APU LEDs
   - clarify chips supported by LM355x driver
   - fix Kconfig text for MLXCPLD, SYSCON, MC13783, NETXBIG
   - allow leds-mlxcpld compilation for 32 bit arch"

* tag 'leds_for_4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: Fix wrong dmi_match on PC Engines APU LEDs
  leds: Extends disk trigger for reads and writes
  leds: Add more product/board names for PC Engines APU2
  leds: add driver for support Mellanox regmap LEDs for BMC and x86 platform
  leds: fix Kconfig text for MLXCPLD, SYSCON, MC13783, NETXBIG
  leds: Clarify supported chips by LM355x driver
  leds: leds-mlxcpld: Allow compilation for 32 bit arch
 2018-04-03 12:38:19 -07:00
Linus Torvalds
cc5ada7ca3 Mostly small changes, as usual. 
This does add an IPMI BMC server-side driver, to allow a Linux
 system to act as an IPMI controller.  That's the biggest change,
 but it is just a new driver that is fairly narrow in use.
 
 The other largish change is removing ACPI SPMI probe support,
 which should have never really been there in the beginning.
 
 -corey
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Merge tag 'for-linus-4.17' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "Mostly small changes, as usual.

  This does add an IPMI BMC server-side driver, to allow a Linux system
  to act as an IPMI controller. That's the biggest change, but it is
  just a new driver that is fairly narrow in use.

  The other largish change is removing ACPI SPMI probe support, which
  should have never really been there in the beginning"

* tag 'for-linus-4.17' of git://github.com/cminyard/linux-ipmi:
  ipmi/parisc: Add IPMI chassis poweroff for certain HP PA-RISC and IA-64 servers
  ipmi_ssif: Fix kernel panic at msg_done_handler
  ipmi:pci: Blacklist a Realtek "IPMI" device
  ipmi: Remove ACPI SPMI probing from the system interface driver
  ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
  ipmi: missing error code in try_smi_init()
  ipmi: use ARRAY_SIZE for poweroff_functions array sizing calculation
  ipmi: Consolidate cleanup code
  ipmi: Remove some unnecessary initializations
  ipmi: Fix some error cleanup issues
  ipmi: Add or fix SPDX-License-Identifier in all files
  ipmi: Re-use existing macros for built-in properties
  ipmi:pci: Make the PCI defines consistent with normal Linux ones
  ipmi: kcs_bmc: coding-style fixes and use new poll type
  char/ipmi: add documentation for sysfs interface
  ipmi: kcs_bmc: mark expected switch fall-through in kcs_bmc_handle_data
  ipmi: add an Aspeed KCS IPMI BMC driver
  ipmi: add a KCS IPMI BMC driver
 2018-04-03 12:25:44 -07:00
Linus Torvalds
77624cd2a7 Pin control bulk changes for the v4.17 kernel cycle: 
New drivers:
 
 - Qualcomm SDM845: this is their new flagship SoC platform
   which seems to be targeted at premium mobile handsets.
 
 - Renesas R-Car M3-N SoC.
 
 - Renesas R8A77980 SoC.
 
 - NXP (ex Freescale) i.MX 6SLL SoC.
 
 - Mediatek MT2712 SoC.
 
 - Allwinner H6 SoC.
 
 Improvements:
 
 - Uniphier adds a few new functions and pins.
 
 - Renesas refactorings and additional pin definitions.
 
 - Improved pin groups for Axis Artpec6.
 
 Cleanup:
 
 - Drop the TZ1090 drivers. This platform is no longer
   maintained and is being deleted.
 
 - Drop ST-Ericsson U8540/U9540 support as this was never
   productified.
 
 - Overall minor fixes and janitorial.
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Merge tag 'pinctrl-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control bulk updates from Linus Walleij:
 "New drivers:

   - Qualcomm SDM845: this is their new flagship SoC platform which
     seems to be targeted at premium mobile handsets.

   - Renesas R-Car M3-N SoC.

   - Renesas R8A77980 SoC.

   - NXP (ex Freescale) i.MX 6SLL SoC.

   - Mediatek MT2712 SoC.

   - Allwinner H6 SoC.

  Improvements:

   - Uniphier adds a few new functions and pins.

   - Renesas refactorings and additional pin definitions.

   - Improved pin groups for Axis Artpec6.

  Cleanup:

   - Drop the TZ1090 drivers. This platform is no longer maintained and
     is being deleted.

   - Drop ST-Ericsson U8540/U9540 support as this was never
     productified.

   - Overall minor fixes and janitorial"

* tag 'pinctrl-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (82 commits)
  pinctrl: uniphier: add UART hardware flow control pin-mux settings
  pinctrl: sunxi: add support for the Allwinner H6 main pin controller
  pinctrl: sunxi: change irq_bank_base to irq_bank_map
  pinctrl: sunxi: introduce IRQ bank conversion function
  pinctrl: sunxi: refactor irq related register function to have desc
  pinctrl: msm8998: Remove owner assignment from platform_driver
  pinctrl: uniphier: divide I2S and S/PDIF audio out pin-mux group
  pinctrl: uniphier: add PXs2 Audio in/out pin-mux settings
  pinctrl/amd: poll InterruptEnable bits in enable_irq
  pinctrl: ocelot: fix gpio direction
  pinctrl: mtk: fix check warnings.
  pintcrl: mtk: support bias-disable of generic and special pins simultaneously
  pinctrl: add mt2712 pinctrl driver
  pinctrl: pinctrl-single: Fix pcs_request_gpio() when bits_per_mux != 0
  pinctrl: imx: Add pinctrl driver support for imx6sll
  dt-bindings: imx: update pinctrl doc for imx6sll
  pinctrl: intel: Implement intel_gpio_get_direction callback
  pinctrl: stm32: add 'depends on HAS_IOMEM' to fix unmet dependency
  pinctrl: mediatek: mtk-common: use true and false for boolean values
  pinctrl: sunxi: always look for apb block
  ...
 2018-04-03 12:20:54 -07:00
Linus Torvalds
dc73d6a8d4 MMC core: 
- Export host capabilities through debugfs
  - Export card RCA register via sysfs
  - Improve card initializing sequence while enabling 4-bit bus
  - Export a function to enable/disable wakeup for card detect IRQ
 
 MMC host:
  - dw_mmc: Add support for new hi3798cv200 variant
  - dw_mmc: Remove support for some deprecated DT properties
  - mediatek: Add support for new variant used on MT7622 SoC
  - sdhci: Improve wakeup support for SDIO IRQs
  - sdhci: Improve wakeup support for card detect IRQs
  - sdhci-omap: Add tuning support
  - sdhci_omap: Add UHS-I mode support
  - sunxi: Prepare for runtime PM support via a few re-factorings
  - tmio: deprecate "toshiba,mmc-wrprotect-disable" DT property
  - tmio/renesas_sdhi: Consolidate code supporting write protect
  - tmio: Improve DMA vs PIO handling
  - tmio: Add support for IP-builtin card detection logic
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Merge tag 'mmc-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Export host capabilities through debugfs
   - Export card RCA register via sysfs
   - Improve card initializing sequence while enabling 4-bit bus
   - Export a function to enable/disable wakeup for card detect IRQ

  MMC host:
   - dw_mmc: Add support for new hi3798cv200 variant
   - dw_mmc: Remove support for some deprecated DT properties
   - mediatek: Add support for new variant used on MT7622 SoC
   - sdhci: Improve wakeup support for SDIO IRQs
   - sdhci: Improve wakeup support for card detect IRQs
   - sdhci-omap: Add tuning support
   - sdhci_omap: Add UHS-I mode support
   - sunxi: Prepare for runtime PM support via a few re-factorings
   - tmio: deprecate "toshiba,mmc-wrprotect-disable" DT property
   - tmio/renesas_sdhi: Consolidate code supporting write protect
   - tmio: Improve DMA vs PIO handling
   - tmio: Add support for IP-builtin card detection logic"

* tag 'mmc-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (55 commits)
  mmc: renesas_sdhi: replace EXT_ACC with HOST_MODE
  mmc: update sdio_claim_irq documentation
  mmc: Export host capabilities to debugfs.
  mmc: core: Disable HPI for certain Micron (Numonyx) eMMC cards
  mmc: block: fix updating ext_csd caches on ioctl call
  mmc: sunxi: Set our device drvdata earlier
  mmc: sunxi: Move the reset deassertion before enabling the clocks
  mmc: sunxi: Move resources management to separate functions
  mmc: dw_mmc: add support for hi3798cv200 specific extensions of dw-mshc
  dt-bindings: mmc: add bindings for hi3798cv200-dw-mshc
  mmc: core: Export card RCA register via sysfs
  mmc: renesas_sdhi: fix WP detection
  mmc: core: Use memdup_user() rather than duplicating its implementation
  mmc: dw_mmc-rockchip: correct property names in debug
  mmc: sd: Remove redundant err assignment from mmc_read_switch
  mmc: sdio: Check the return value of sdio_enable_4bit_bus
  mmc: core: Don't try UHS-I mode if 4-bit mode isn't supported
  arm64: dts: hi3660: remove 'num-slots' property for dwmmc
  ARM: dts: lpc18xx: remove 'num-slots' property for dwmmc
  arm64: dts: stratix10: remove 'num-slots' property for dwmmc
  ...
 2018-04-03 12:17:25 -07:00
Linus Torvalds
dabe51840e HSI changes for the v4.17 series 
* spelling/typo fixes
 * remove extra error printing for -ENOMEM
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Merge tag 'hsi-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:

 - spelling/typo fixes

 - remove extra error printing for -ENOMEM

* tag 'hsi-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: hsi_char: Delete an error message for a failed memory allocation in hsc_probe()
  HSI: ssi_protocol: fix spelling mistake: "trigerred" -> "triggered"
  HSI: ssi_protocol: Delete an error message for a failed memory allocation in ssi_protocol_probe()
  HSI: ssi_protocol: Fix a typo in two comment lines
 2018-04-03 12:14:54 -07:00
Linus Torvalds
3ac684b881 power supply and reset changes for the v4.17 series 
* Microsemi Ocelot reset support
 * Spreadtrum SC27xx reset support
 * generic gpio charger: lot's of cleanups
 * axp20x fuel gauge: add AXP813 support
 * misc. fixes
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Merge tag 'for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - Microsemi Ocelot reset support

 - Spreadtrum SC27xx reset support

 - generic gpio charger: lot's of cleanups

 - axp20x fuel gauge: add AXP813 support

 - misc fixes, including one devicetree change for the Nokia N900, that
   has been Acked-by Tony Lindgren

* tag 'for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (27 commits)
  power: reset: at91-reset: Switch from the pr_*() to the dev_*() logging functions
  power: reset: at91-poweroff: Remove redundant dev_err call in at91_poweroff_probe()
  power: reset: at91-poweroff: Switch from the pr_*() to the dev_*() logging functions
  power: reset: make function sc27xx_poweroff_shutdown static
  power: supply: da9150-fg: remove VLA usage
  ARM: dts: omap3-n900: Add link between battery and charger
  power: supply: bq2415x: add DT referencing support
  power: supply: bq27xxx: support missing supplier device
  max17042: propagate of_node to power supply device
  power: supply: axp288_fuel_gauge: Fix full status reporting
  power: supply: axp288_fuel_gauge: Do not register FG on ECS EF20EA
  power: reset: gpio-poweroff: Support for timeout from device property
  dt-bindings: power: reset: gpio-poweroff: Add 'timeout-ms' property
  power: reset: Add Spreadtrum SC27xx PMIC power off support
  power: supply: axp20x_battery: add support for AXP813
  dt-bindings: power: supply: axp20x: add AXP813 battery DT binding
  power: supply: axp20x_battery: use data struct for variant specific code
  power: supply: gpio-charger: Remove pdata from gpio_charger
  power: supply: gpio-charger: Use GPIOF_ACTIVE_LOW for legacy setup
  power: supply: gpio-charger: Remove redundant dev_err call in probe function
  ...
 2018-04-03 12:10:01 -07:00
Linus Torvalds
75dcc7ef95 spi: SPI updates for v4.17 
A quiet release for SPI, some fixes and small updates for individual
 drivers with one bigger change from Linus Walleij which coverts the
 bitbanging SPI driver to use the GPIO descriptor API from Linus Walleij.
 Since GPIO descriptors were used by platform data this means there's a
 few changes in arch/ making relevant updates for a few platforms and one
 misc driver that are affected.
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Merge tag 'spi-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull SPI updates from Mark Brown:
 "A quiet release for SPI, some fixes and small updates for individual
  drivers with one bigger change from Linus Walleij which coverts the
  bitbanging SPI driver to use the GPIO descriptor API from Linus
  Walleij.

  Since GPIO descriptors were used by platform data this means there's a
  few changes in arch/ making relevant updates for a few platforms and
  one misc driver that are affected"

* tag 'spi-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (24 commits)
  MAINTAINERS: update Andi's e-mail
  spi: spi-atmel: Use correct enum for DMA transfer direction
  spi: sh-msiof: Document R-Car M3-N support
  spi: sh-msiof: Use correct enum for DMA transfer direction
  spi: sprd: Add the support of restarting the system
  spi: sprd: Simplify the transfer function
  spi: Fix unregistration of controller with fixed SPI bus number
  spi: rspi: use correct enum for DMA transfer direction
  spi: jcore: disable ref_clk after getting its rate
  spi: bcm-qspi: fIX some error handling paths
  spi: pxa2xx: Disable runtime PM if controller registration fails
  spi: tegra20-slink: use true and false for boolean values
  spi: Fix scatterlist elements size in spi_map_buf
  spi: atmel: init FIFOs before spi enable
  spi: orion: Prepare space for per-child options
  spi: orion: Make the error message greppable
  spi: orion: Rework GPIO CS handling
  spi: bcm2835aux: Avoid 64-bit arithmetic in xfer len calc
  spi: spi-gpio: Augment device tree bindings
  spi: spi-gpio: Rewrite to use GPIO descriptors
  ...
 2018-04-03 12:06:21 -07:00
Linus Torvalds
b51c4354df regulator: Updates for v4.17 
A very small set of updates for the regulator API this time around,
 there's a few bug fixes and also:
 
  - Conversion of the regulator API to use GPIO descriptors rather than
    numbers from Linus Walleij.
  - New drivers for Marvell 88PG86x and Qualcomm PM8998 and PMI8998.
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Merge tag 'regulator-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "A very small set of updates for the regulator API this time around,
  there's a few bug fixes and also:

   - Conversion of the regulator API to use GPIO descriptors rather than
     numbers from Linus Walleij.

   - New drivers for Marvell 88PG86x and Qualcomm PM8998 and PMI8998"

* tag 'regulator-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: qcom: smd: Add pm8998 and pmi8998 regulators
  regulator: core: Add missing blank line between functions
  regulator: qcom_smd: Drop regulator/{machine,of_regulator} includes
  regulator: giving regulator controlling gpios a non-empty label when used through the devicetree.
  regulator: gpio: Fix some error handling paths in 'gpio_regulator_probe()'
  regulator: 88pg86x: new i2c dual regulator chip
  regulator: 88pg86x: add DT bindings document
  regulator: da9211: Pass descriptors instead of GPIO numbers
  regulator: da9055: Pass descriptor instead of GPIO number
  regulator: core: Support passing an initialized GPIO enable descriptor
  regulator: dt: regulator-name is required property
  regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()'
 2018-04-03 11:52:16 -07:00
Linus Torvalds
ffd776bf56 regmap: Updates for v4.17 
This is a fairly large set of updates for regmap, mainly bugfixes.  The
 biggest bit of this is some fixes for the bulk operations code which
 had issues in some use cases, Charles Keepax has sorted them out.  We
 also gained the ability to use debugfs with syscon regmaps and to
 specify the clock to be used with MMIO regmaps.
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Merge tag 'regmap-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is a fairly large set of updates for regmap, mainly bugfixes.

  The biggest bit of this is some fixes for the bulk operations code
  which had issues in some use cases, Charles Keepax has sorted them
  out. We also gained the ability to use debugfs with syscon regmaps and
  to specify the clock to be used with MMIO regmaps"

* tag 'regmap-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (21 commits)
  regmap: debugfs: Improve warning message on debugfs_create_dir() failure
  regmap: debugfs: Free map->debugfs_name when debugfs_create_dir() failed
  regmap: debugfs: Don't leak dummy names
  regmap: debugfs: Disambiguate dummy debugfs file name
  regmap: mmio: Add function to attach a clock
  regmap: Merge redundant handling in regmap_bulk_write
  regmap: Tidy up regmap_raw_write chunking code
  regmap: Move the handling for max_raw_write into regmap_raw_write
  regmap: Remove unnecessary printk for failed allocation
  regmap: Format data for raw write in regmap_bulk_write
  regmap: use debugfs even when no device
  regmap: Allow missing device in regmap_name_read_file()
  regmap: Use _regmap_read in regmap_bulk_read
  regmap: Tidy up regmap_raw_read chunking code
  regmap: Move the handling for max_raw_read into regmap_raw_read
  regmap: Use helper function for register offset
  regmap: Don't use format_val in regmap_bulk_read
  regmap: Correct comparison in regmap_cached
  regmap: Correct offset handling in regmap_volatile_range
  regmap-i2c: Off by one in regmap_i2c_smbus_i2c_read/write()
  ...
 2018-04-03 11:46:38 -07:00
Linus Torvalds
f2d285669a Power management updates for 4.17-rc1 
- Modify the cpuidle poll state implementation to prevent CPUs from
    staying in the loop in there for excessive times (Rafael Wysocki).
 
  - Add Intel Cannon Lake chips support to the RAPL power capping
    driver (Joe Konno).
 
  - Add reference counting to the device links handling code in the
    PM core (Lukas Wunner).
 
  - Avoid reconfiguring GPEs on suspend-to-idle in the ACPI system
    suspend code (Rafael Wysocki).
 
  - Allow devices to be put into deeper low-power states via ACPI
    if both _SxD and _SxW are missing (Daniel Drake).
 
  - Reorganize the core ACPI suspend-to-idle wakeup code to avoid a
    keyboard wakeup issue on Asus UX331UA (Chris Chiu).
 
  - Prevent the PCMCIA library code from aborting suspend-to-idle due
    to noirq suspend failures resulting from incorrect assumptions
    (Rafael Wysocki).
 
  - Add coupled cpuidle supprt to the Exynos3250 platform (Marek
    Szyprowski).
 
  - Add new sysfs file to make it easier to specify the image storage
    location during hibernation (Mario Limonciello).
 
  - Add sysfs files for collecting suspend-to-idle usage and time
    statistics for CPU idle states (Rafael Wysocki).
 
  - Update the pm-graph utilities (Todd Brandt).
 
  - Reduce the kernel log noise related to reporting Low-power Idle
    constraings by the ACPI system suspend code (Rafael Wysocki).
 
  - Make it easier to distinguish dedicated wakeup IRQs in the
    /proc/interrupts output (Tony Lindgren).
 
  - Add the frequency table validation in cpufreq to the core and
    drop it from a number of cpufreq drivers (Viresh Kumar).
 
  - Drop "cooling-{min|max}-level" for CPU nodes from a couple of
    DT bindings (Viresh Kumar).
 
  - Clean up the CPU online error code path in the cpufreq core
    (Viresh Kumar).
 
  - Fix assorted issues in the SCPI, CPPC, mediatek and tegra186
    cpufreq drivers (Arnd Bergmann, Chunyu Hu, George Cherian,
    Viresh Kumar).
 
  - Drop memory allocation error messages from a few places in
    cpufreq and cpuildle drivers (Markus Elfring).
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Merge tag 'pm-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These update the cpuidle poll state definition to reduce excessive
  energy usage related to it, add new CPU ID to the RAPL power capping
  driver, update the ACPI system suspend code to handle some special
  cases better, extend the PM core's device links code slightly, add new
  sysfs attribute for better suspend-to-idle diagnostics and easier
  hibernation handling, update power management tools and clean up
  cpufreq quite a bit.

  Specifics:

   - Modify the cpuidle poll state implementation to prevent CPUs from
     staying in the loop in there for excessive times (Rafael Wysocki).

   - Add Intel Cannon Lake chips support to the RAPL power capping
     driver (Joe Konno).

   - Add reference counting to the device links handling code in the PM
     core (Lukas Wunner).

   - Avoid reconfiguring GPEs on suspend-to-idle in the ACPI system
     suspend code (Rafael Wysocki).

   - Allow devices to be put into deeper low-power states via ACPI if
     both _SxD and _SxW are missing (Daniel Drake).

   - Reorganize the core ACPI suspend-to-idle wakeup code to avoid a
     keyboard wakeup issue on Asus UX331UA (Chris Chiu).

   - Prevent the PCMCIA library code from aborting suspend-to-idle due
     to noirq suspend failures resulting from incorrect assumptions
     (Rafael Wysocki).

   - Add coupled cpuidle supprt to the Exynos3250 platform (Marek
     Szyprowski).

   - Add new sysfs file to make it easier to specify the image storage
     location during hibernation (Mario Limonciello).

   - Add sysfs files for collecting suspend-to-idle usage and time
     statistics for CPU idle states (Rafael Wysocki).

   - Update the pm-graph utilities (Todd Brandt).

   - Reduce the kernel log noise related to reporting Low-power Idle
     constraings by the ACPI system suspend code (Rafael Wysocki).

   - Make it easier to distinguish dedicated wakeup IRQs in the
     /proc/interrupts output (Tony Lindgren).

   - Add the frequency table validation in cpufreq to the core and drop
     it from a number of cpufreq drivers (Viresh Kumar).

   - Drop "cooling-{min|max}-level" for CPU nodes from a couple of DT
     bindings (Viresh Kumar).

   - Clean up the CPU online error code path in the cpufreq core (Viresh
     Kumar).

   - Fix assorted issues in the SCPI, CPPC, mediatek and tegra186
     cpufreq drivers (Arnd Bergmann, Chunyu Hu, George Cherian, Viresh
     Kumar).

   - Drop memory allocation error messages from a few places in cpufreq
     and cpuildle drivers (Markus Elfring)"

* tag 'pm-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (56 commits)
  ACPI / PM: Fix keyboard wakeup from suspend-to-idle on ASUS UX331UA
  cpufreq: CPPC: Use transition_delay_us depending transition_latency
  PM / hibernate: Change message when writing to /sys/power/resume
  PM / hibernate: Make passing hibernate offsets more friendly
  cpuidle: poll_state: Avoid invoking local_clock() too often
  PM: cpuidle/suspend: Add s2idle usage and time state attributes
  cpuidle: Enable coupled cpuidle support on Exynos3250 platform
  cpuidle: poll_state: Add time limit to poll_idle()
  cpufreq: tegra186: Don't validate the frequency table twice
  cpufreq: speedstep: Don't validate the frequency table twice
  cpufreq: sparc: Don't validate the frequency table twice
  cpufreq: sh: Don't validate the frequency table twice
  cpufreq: sfi: Don't validate the frequency table twice
  cpufreq: scpi: Don't validate the frequency table twice
  cpufreq: sc520: Don't validate the frequency table twice
  cpufreq: s3c24xx: Don't validate the frequency table twice
  cpufreq: qoirq: Don't validate the frequency table twice
  cpufreq: pxa: Don't validate the frequency table twice
  cpufreq: ppc_cbe: Don't validate the frequency table twice
  cpufreq: powernow: Don't validate the frequency table twice
  ...
 2018-04-03 10:45:39 -07:00
Linus Torvalds
be55375427 ACPI updates for 4.17-rc1 
- Update the in-kernel ACPICA code to upstream revision 20180313
    including:
    * Module-level AML code handling fixes and simplifications (Bob
      Moore, Erik Schmauss).
    * Fixes and cleanups related to messaging (Bob Moore).
    * Events handling fixes related to disabling and enabling GPEs
      (Erik Schmauss).
    * Introduction of SPDX license identifiers and removal of license
      boilerplate in multiple files (Erik Schmauss).
    * Assorted fixes and cleanups (Bob Moore, Erik Schmauss, Hans
      de Goede, Seunghun Han).
 
  - Add new basic driver for the ACPI Time and Alarm Device (Rafael
    Wysocki).
 
  - Modify the ACPI battery driver to support battery thresholds on
    Lenovo ThinkPads (Ognjen Galic, Colin Ian King).
 
  - Avoid reporting battery capacity over 100 in the ACPI battery
    driver in some cases (Laszlo Toth).
 
  - Make the kernel recognize an OEM _OSI string from Dell to avoid
    power management issues with NVidia GPUs in Dell platforms (Alex
    Hung).
 
  - Make the PCI IRQ management code handle missing _PRS cleanly (Alex
    Hung).
 
  - Fix uevent notifications related to device hotplut (Lee, Chun-Yi).
 
  - Prevent the ACPI PAD driver from leaking memory (Lenny Szubowicz).
 
  - Update the ACPI CPPC library code to include subspace IDs in the
    kernel messages logged by it (George Cherian).
 
  - Add backlight quirk for Samsung 670Z5E (Hans de Goede).
 
  - Add the NFIT and HMAT tables to the list of ACPI tables that can
    be overridden via initrd (Dan Williams).
 
  - Fix and clean up some ACPI documentation and Kconfig help language
    (Aishwarya Pant, Randy Dunlap).
 
  - Replace license boilerplate with an SPDX license ID in the ACPI
    PMIC operation region handling code (Rajmohan Mani).
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Merge tag 'acpi-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to follow upstream revision
  20180313 which includes fixes related to the so-called module-level
  AML (mostly "if" type of statements outside of any methods) that
  should improve the handling of systems that load alternative SSDTs
  depending on the current configuration, for example, and event
  handling fixes related to disabling and enabling GPEs on system
  startup and on suspend/resume.

  Moreover, the ACPICA license boilerplate is replaced with SPDX license
  IDs which alone reduces the number of lines of ACPICA code in the
  kernel quite a bit.

  Also added is a new driver for the generic ACPI Time and Alarm Device
  (TAD). At the moment it only handles the most basic capabilities of
  the TAD, however.

  In addition to that the ACPI battery driver is improved to handle
  battery thresholds on ThinkPads, among other things, some bugs are
  fixed, a new backlight quirk is added and some documentation is
  updated.

  Specifics:

   - Update the in-kernel ACPICA code to upstream revision 20180313
     including:
      * Module-level AML code handling fixes and simplifications (Bob
        Moore, Erik Schmauss).
      * Fixes and cleanups related to messaging (Bob Moore).
      * Events handling fixes related to disabling and enabling GPEs
        (Erik Schmauss).
      * Introduction of SPDX license identifiers and removal of license
        boilerplate in multiple files (Erik Schmauss).
      * Assorted fixes and cleanups (Bob Moore, Erik Schmauss, Hans de
        Goede, Seunghun Han).

   - Add new basic driver for the ACPI Time and Alarm Device (Rafael
     Wysocki).

   - Modify the ACPI battery driver to support battery thresholds on
     Lenovo ThinkPads (Ognjen Galic, Colin Ian King).

   - Avoid reporting battery capacity over 100 in the ACPI battery
     driver in some cases (Laszlo Toth).

   - Make the kernel recognize an OEM _OSI string from Dell to avoid
     power management issues with NVidia GPUs in Dell platforms (Alex
     Hung).

   - Make the PCI IRQ management code handle missing _PRS cleanly (Alex
     Hung).

   - Fix uevent notifications related to device hotplut (Lee, Chun-Yi).

   - Prevent the ACPI PAD driver from leaking memory (Lenny Szubowicz).

   - Update the ACPI CPPC library code to include subspace IDs in the
     kernel messages logged by it (George Cherian).

   - Add backlight quirk for Samsung 670Z5E (Hans de Goede).

   - Add the NFIT and HMAT tables to the list of ACPI tables that can be
     overridden via initrd (Dan Williams).

   - Fix and clean up some ACPI documentation and Kconfig help language
     (Aishwarya Pant, Randy Dunlap).

   - Replace license boilerplate with an SPDX license ID in the ACPI
     PMIC operation region handling code (Rajmohan Mani)"

* tag 'acpi-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
  ACPI: acpi_pad: Fix memory leak in power saving threads
  ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
  ACPI: Add Time and Alarm Device (TAD) driver
  ACPI / scan: Send change uevent with offine environmental data
  ACPI / Kconfig: Update ACPI_PROCFS_POWER help text
  ACPI / OSI: Add OEM _OSI strings to disable NVidia RTD3
  ACPICA: Update version to 20180313
  ACPICA: Cleanup/simplify module-level code support
  ACPICA: Events: add a return on failure from acpi_hw_register_read
  ACPICA: adding SPDX headers
  ACPICA: Rename a global for clarity, no functional change
  ACPICA: macros: fix ACPI_ERROR_NAMESPACE macro
  ACPICA: Change a compile-time option to a runtime option
  ACPICA: Remove calling of _STA from acpi_get_object_info()
  ACPICA: AML Debug Object: Don't ignore output of zero-length strings
  ACPICA: Fix memory leak on unusual memory leak
  ACPICA: Events: Dispatch GPEs after enabling for the first time
  ACPICA: Events: Add parallel GPE handling support to fix potential redundant _Exx evaluations
  ACPICA: Events: Stop unconditionally clearing ACPI IRQs during suspend/resume
  ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
  ...
 2018-04-03 10:38:46 -07:00
David S. Miller
d13864b68e sparc64: Make atomic_xchg() an inline function rather than a macro. 
This avoids a lot of -Wunused warnings such as:

====================
kernel/debug/debug_core.c: In function ‘kgdb_cpu_enter’:
./arch/sparc/include/asm/cmpxchg_64.h:55:22: warning: value computed is not used [-Wunused-value]
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))

./arch/sparc/include/asm/atomic_64.h:86:30: note: in expansion of macro ‘xchg’
 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
                              ^~~~
kernel/debug/debug_core.c:508:4: note: in expansion of macro ‘atomic_xchg’
    atomic_xchg(&kgdb_active, cpu);
    ^~~~~~~~~~~
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
 2018-04-03 08:24:35 -07:00
Linus Torvalds
642e7fd233 Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 
Pull removal of in-kernel calls to syscalls from Dominik Brodowski:
 "System calls are interaction points between userspace and the kernel.
  Therefore, system call functions such as sys_xyzzy() or
  compat_sys_xyzzy() should only be called from userspace via the
  syscall table, but not from elsewhere in the kernel.

  At least on 64-bit x86, it will likely be a hard requirement from
  v4.17 onwards to not call system call functions in the kernel: It is
  better to use use a different calling convention for system calls
  there, where struct pt_regs is decoded on-the-fly in a syscall wrapper
  which then hands processing over to the actual syscall function. This
  means that only those parameters which are actually needed for a
  specific syscall are passed on during syscall entry, instead of
  filling in six CPU registers with random user space content all the
  time (which may cause serious trouble down the call chain). Those
  x86-specific patches will be pushed through the x86 tree in the near
  future.

  Moreover, rules on how data may be accessed may differ between kernel
  data and user data. This is another reason why calling sys_xyzzy() is
  generally a bad idea, and -- at most -- acceptable in arch-specific
  code.

  This patchset removes all in-kernel calls to syscall functions in the
  kernel with the exception of arch/. On top of this, it cleans up the
  three places where many syscalls are referenced or prototyped, namely
  kernel/sys_ni.c, include/linux/syscalls.h and include/linux/compat.h"

* 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux: (109 commits)
  bpf: whitelist all syscalls for error injection
  kernel/sys_ni: remove {sys_,sys_compat} from cond_syscall definitions
  kernel/sys_ni: sort cond_syscall() entries
  syscalls/x86: auto-create compat_sys_*() prototypes
  syscalls: sort syscall prototypes in include/linux/compat.h
  net: remove compat_sys_*() prototypes from net/compat.h
  syscalls: sort syscall prototypes in include/linux/syscalls.h
  kexec: move sys_kexec_load() prototype to syscalls.h
  x86/sigreturn: use SYSCALL_DEFINE0
  x86: fix sys_sigreturn() return type to be long, not unsigned long
  x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys_ioperm()
  mm: add ksys_readahead() helper; remove in-kernel calls to sys_readahead()
  mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
  mm: add ksys_fadvise64_64() helper; remove in-kernel call to sys_fadvise64_64()
  fs: add ksys_fallocate() wrapper; remove in-kernel calls to sys_fallocate()
  fs: add ksys_p{read,write}64() helpers; remove in-kernel calls to syscalls
  fs: add ksys_truncate() wrapper; remove in-kernel calls to sys_truncate()
  fs: add ksys_sync_file_range helper(); remove in-kernel calls to syscall
  kernel: add ksys_setsid() helper; remove in-kernel call to sys_setsid()
  kernel: add ksys_unshare() helper; remove in-kernel calls to sys_unshare()
  ...
 2018-04-02 21:22:12 -07:00
Omar Sandoval
21035965f6 bitmap: fix memset optimization on big-endian systems 
Commit 2a98dc028f ("include/linux/bitmap.h: turn bitmap_set and
bitmap_clear into memset when possible") introduced an optimization to
bitmap_{set,clear}() which uses memset() when the start and length are
constants aligned to a byte.

This is wrong on big-endian systems; our bitmaps are arrays of unsigned
long, so bit n is not at byte n / 8 in memory.  This was caught by the
Btrfs selftests, but the bitmap selftests also fail when run on a
big-endian machine.

We can still use memset if the start and length are aligned to an
unsigned long, so do that on big-endian.  The same problem applies to
the memcmp in bitmap_equal(), so fix it there, too.

Fixes: 2a98dc028f ("include/linux/bitmap.h: turn bitmap_set and bitmap_clear into memset when possible")
Fixes: 2c6deb0152 ("bitmap: use memcmp optimisation in more situations")
Cc: stable@kernel.org
Reported-by: "Erhard F." <erhard_f@mailbox.org>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-04-02 20:52:27 -07:00
Linus Torvalds
f5a8eb632b arch: remove obsolete architecture ports 
This removes the entire architecture code for blackfin, cris, frv, m32r,
 metag, mn10300, score, and tile, including the associated device drivers.
 
 I have been working with the (former) maintainers for each one to ensure
 that my interpretation was right and the code is definitely unused in
 mainline kernels. Many had fond memories of working on the respective
 ports to start with and getting them included in upstream, but also saw
 no point in keeping the port alive without any users.
 
 In the end, it seems that while the eight architectures are extremely
 different, they all suffered the same fate: There was one company
 in charge of an SoC line, a CPU microarchitecture and a software
 ecosystem, which was more costly than licensing newer off-the-shelf
 CPU cores from a third party (typically ARM, MIPS, or RISC-V). It seems
 that all the SoC product lines are still around, but have not used the
 custom CPU architectures for several years at this point. In contrast,
 CPU instruction sets that remain popular and have actively maintained
 kernel ports tend to all be used across multiple licensees.
 
 The removal came out of a discussion that is now documented at
 https://lwn.net/Articles/748074/. Unlike the original plans, I'm not
 marking any ports as deprecated but remove them all at once after I made
 sure that they are all unused. Some architectures (notably tile, mn10300,
 and blackfin) are still being shipped in products with old kernels,
 but those products will never be updated to newer kernel releases.
 
 After this series, we still have a few architectures without mainline
 gcc support:
 
 - unicore32 and hexagon both have very outdated gcc releases, but the
   maintainers promised to work on providing something newer. At least
   in case of hexagon, this will only be llvm, not gcc.
 
 - openrisc, risc-v and nds32 are still in the process of finishing their
   support or getting it added to mainline gcc in the first place.
   They all have patched gcc-7.3 ports that work to some degree, but
   complete upstream support won't happen before gcc-8.1. Csky posted
   their first kernel patch set last week, their situation will be similar.
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Merge tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pul removal of obsolete architecture ports from Arnd Bergmann:
 "This removes the entire architecture code for blackfin, cris, frv,
  m32r, metag, mn10300, score, and tile, including the associated device
  drivers.

  I have been working with the (former) maintainers for each one to
  ensure that my interpretation was right and the code is definitely
  unused in mainline kernels. Many had fond memories of working on the
  respective ports to start with and getting them included in upstream,
  but also saw no point in keeping the port alive without any users.

  In the end, it seems that while the eight architectures are extremely
  different, they all suffered the same fate: There was one company in
  charge of an SoC line, a CPU microarchitecture and a software
  ecosystem, which was more costly than licensing newer off-the-shelf
  CPU cores from a third party (typically ARM, MIPS, or RISC-V). It
  seems that all the SoC product lines are still around, but have not
  used the custom CPU architectures for several years at this point. In
  contrast, CPU instruction sets that remain popular and have actively
  maintained kernel ports tend to all be used across multiple licensees.

  [ See the new nds32 port merged in the previous commit for the next
    generation of "one company in charge of an SoC line, a CPU
    microarchitecture and a software ecosystem"   - Linus ]

  The removal came out of a discussion that is now documented at
  https://lwn.net/Articles/748074/. Unlike the original plans, I'm not
  marking any ports as deprecated but remove them all at once after I
  made sure that they are all unused. Some architectures (notably tile,
  mn10300, and blackfin) are still being shipped in products with old
  kernels, but those products will never be updated to newer kernel
  releases.

  After this series, we still have a few architectures without mainline
  gcc support:

   - unicore32 and hexagon both have very outdated gcc releases, but the
     maintainers promised to work on providing something newer. At least
     in case of hexagon, this will only be llvm, not gcc.

   - openrisc, risc-v and nds32 are still in the process of finishing
     their support or getting it added to mainline gcc in the first
     place. They all have patched gcc-7.3 ports that work to some
     degree, but complete upstream support won't happen before gcc-8.1.
     Csky posted their first kernel patch set last week, their situation
     will be similar

  [ Palmer Dabbelt points out that RISC-V support is in mainline gcc
    since gcc-7, although gcc-7.3.0 is the recommended minimum  - Linus ]"

This really says it all:

 2498 files changed, 95 insertions(+), 467668 deletions(-)

* tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (74 commits)
  MAINTAINERS: UNICORE32: Change email account
  staging: iio: remove iio-trig-bfin-timer driver
  tty: hvc: remove tile driver
  tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers
  serial: remove tile uart driver
  serial: remove m32r_sio driver
  serial: remove blackfin drivers
  serial: remove cris/etrax uart drivers
  usb: Remove Blackfin references in USB support
  usb: isp1362: remove blackfin arch glue
  usb: musb: remove blackfin port
  usb: host: remove tilegx platform glue
  pwm: remove pwm-bfin driver
  i2c: remove bfin-twi driver
  spi: remove blackfin related host drivers
  watchdog: remove bfin_wdt driver
  can: remove bfin_can driver
  mmc: remove bfin_sdh driver
  input: misc: remove blackfin rotary driver
  input: keyboard: remove bf54x driver
  ...
 2018-04-02 20:20:12 -07:00
Linus Torvalds
c9297d2841 This tag contains the core nds32 Linux port(including interrupt controller 
driver and timer driver), which has been through 7 rounds of review on mailing
 list.
 
 It is able to boot to shell and passes most LTP-2017 testsuites in nds32 AE3XX
 platform.
 Total Tests: 1901
 Total Skipped Tests: 618
 Total Failures: 78
 
 Copied below is the ChangeLog that contains the history of this patch set:
 Changes in v7:
  - Update cpu binding document to add "andestech,nds32v3" as fallback
  - Remove unnecessary configs of arch/nds32/Kconfig
  - Use GENERIC_CALIBRATE_DELAY
  - Add more help texts for minimum CPU type config
  - Update defconfig because of Kconfig changed and bug fixed
  - Move early_trap_init() declaration to nds32.h
  - Refine dma.c
  - Remove apply_relocate() in module.c and include <linux/moduleloader.h> to catch it
  - Add do_kernel_restart() in machine_restart()
  - Clean up setup.c to remove CONFIG_VGA_CONSOLE and some extern declaration functions
  - Add negative dependency for VGA_CONSOLE on nds32
  - Refine ptrace.c and arch/nds32/include/asm/ptrace.h
  - Refine syscall restart flow and arch/nds32/kernel/signal.c
  - Fix a bug in VDSO
  - Remove the handling for kernel code unaligned accessing
  - Add a description for unaligned access handling in git commit message.
  - Rebase to v4.16-rc1
  - Replace ACCESS_ONCE with READ_ONCE
  - Replace atomic_long_dec(&mm->nr_ptes) with mm_dec_nr_ptes(mm)
  - Remove print_symbol(%s) with printk(%pS)
  - Add bpf_perf_event.h
  - Remove init_stack and init_thread_info
 
 Changes in v6:
  - Refine naming for atl2c
  - Refine ae3xx.dts
  - Remove CONFIG_TIMER_ATCPIT100 in defconfig
  - Refine elf.h
  - Fix a vdso bug
  - Separate arch patchset and timer patchset
  - To select TIMER_OF in drivers/clocksource/Kconfig instead of arch/nds32/Kconfig
 
 Changes in v5:
  - Remove __NR__llseek  and sys_mmap()
  - Add a comment to explain that we don't have clocksource cycle counter in the CPU
  - Add volatile in iounmap()
  - Fix typo Featuretures to Features
  - Replace CPU_CACHE_NONALIASING with !CPU_CACHE_ALIASING
  - Fix a endian bug when we try to get val = of_get_property(cpu,"clock-frequency", NULL)
  - Add screen_info to fix the building error when CONFIG_ VGA_CONSOLE is enabled
  - Remove unnecessary msync()
  - Add depends on !64BIT || BROKEN for faraday Kconfig because the descriptor only supports 32bit
  - Add atl2c binding document
  - Remove unnecessary include headers
  - Fix a vector table bug. It placed wrong vector handlers for 2 exceptions.
  - Fix a vdso bug. It may encounter TLB multi-hit exception because we accidently set it as a global page.
  - Add proper isb and barrier after some cache operations
  - Fix a bug in system call restart flow. $r0 ~ $r5 does not be recovered before restarting system call
  - Fix the build errors for OpenRISC and SPARC because io.h changed.
  - Update ae3xx.dts to support atl2c.
 
 Changes in v4:
  - Add atcpit100 timer driver due to it include vdso implementations and sent
    them together with nds32 may help reviewer to review.
  - Update ae3xx.dts for atcpit100 clock setting and remove vdso settings.
  - To get cycle counter register by timer driver instead of dts.
  - Use "depends on NDS32 || COMPILE_TEST" in atcpit100 driver because it is needed for nds32 vdso
  - Update defconfig becasue kconfig rename from CONFIG_CLKSRC_ATCPIT100 to CONFIG_TIMER_ATCPIT100
  - Remove ag101p.dts because we are not yet ready for ag101p platform.
  - Update copyright style to SPDX-License-Identifier
  - Include <linux/uaccess.h> instead of <asm/uaccess.h>
  - Add local_irq_save()/local_irq_restore() to protect SR_TLB_VPN in update_mmu_cache().
  - Update cpu_dcache_inval_all implementation to make sure all level cache are writeback.
 
 Changes in v3:
  - Use arch's io.h instead of generic one
  - Add andestech-boards binding document
  - Update nds32/cpus.txt binding document
  - Remove atcpit100 timer drivers
  - Select NO_BOOTMEM and delete HAVE_MEMBLOCK_NODE_MAP
  - make CPU_BIG_ENDIAN and CPU_LITTLE_ENDIAN are dependent
  - Add cpu type to select HWZOL/CPU_CACHE_ALIASING
  - Change CPU_CACHE_NONALIASING to CPU_CACHE_ALIASING
  - Remove bootarg from device tree script
  - Update ag101p.dts and ae3xx.dts for correct board name.
  - Clear and simplify defconfig
  - Implement L2C_R_REG/ L2C_W_REG with readl/writel instead of __raw_readl/__raw_writel for endian save
  - Remove early_init_dt_add_memory_arch/early_init_dt_alloc_memory_arch to use the generic ones
  - Refine devicetree.c
  - Fix bug https://lkml.kernel.org/r/1499782590-31366-1-git-send-ema...
  - Refine irqchip/irq-ativic32.c implementations
  - Add COMPILE_TEST in drivers/net/ethernet/faraday/Kconfig
  - Refine cache operations
  - Add CONFIG_HW_SUPPORT_UNALIGNMENT_ACCESS
  - Fix ZERO_PAGE define
  - Remove SA_RESTORER
  - Remove uapi/asm/signal.h
  - Redefine user_pt_regs
  - Remove spinlock.h
  - Remove __ARCH_WANT_RENAMEAT and __ARCH_WANT_SYSCALL_OFF_T from unistd.h
  - Remove set_fs(USER_DS) because flush_old_exec() will do this setting
  - Replace in_atomic() with faulthandler_disabled()
  - Add barrier.h
  - Select COMMON_CLK
  - Add clk_pll in dts
  - Add of_clk_init() in arch/nds32/kernel/time.c
 
 Changes in v2:
  - Set GENERIC_CALIBRATE_DELAY default n
  - Add earlycon support
  - Remove earlyprintk
  - Add CPU_BIG_ENDIAN, CPU_LITTLE_ENDIAN support
  - Refine unalignment access exception handler
  - Add VMSPLIT support
  - Use only one defconfig
  - Change interrupt-cells from 2 to 1
  - Refine andestech cpu names in bindings/nds32/cpus.txt
  - Get clock frequency in dts because fpga bitmap doesn't include this feature
  - Update MAINTAINERS for bindings
  - Remove unused configs in Kconfig
  - Refine device tree scripts
  - Refine coding style
  - Use generic ioremap_nocache
  - Remove L2CC_PA_BASE define and its codes in head.S. It will be moved to bootloader.
  - Set PHYS_OFFSET to 0x0 instead of CONFIG_MEMORY_START
  - Remove unused macros
  - Simplify cpu_cache_* API
  - Change __asm__ __volatile__ to asm volatile
  - Refine uaccess.h
  - Remove unused/deprecated syscall
  - Use generic posix_types.h
  - Remove arch_trace_hardirqs_on/arch_trace_hardirqs_off
  - Fix bug of restart syscall
  - Refine syscall implementations
  - Use IS_ENABLED to replace ifdef as possible
  - Remove device_initcall(nds32_device_probe)
  - Refine vdso implementations
  - Refine copy_from_user()/copy_to_user()/clear_user()/get_user()/memmove()/memcpy()
  - Refine ioremap.c
  - Refine irq-ativic32.c
  - Fix a bug of earlycon.c
  - Export ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt
  - Add atcpit100 driver
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Merge tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux

Pull nds32 architecture support from Greentime Hu:
 "This contains the core nds32 Linux port (including interrupt
  controller driver and timer driver), which has been through seven
  rounds of review on mailing list.

  It is able to boot to shell and passes most LTP-2017 testsuites in
  nds32 AE3XX platform:

    Total Tests: 1901
    Total Skipped Tests: 618
    Total Failures: 78"

Reviewed-by: Arnd Bergmann <arnd@arndb.de>

* tag 'nds32-for-linus-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux: (44 commits)
  nds32: To use the generic dump_stack()
  nds32: fix building failed if using elf toolchain.
  nios2: add ioremap_nocache declaration before include asm-generic/io.h.
  nds32: fix building failed if using older version gcc.
  dt-bindings: timer: Add andestech atcpit100 timer binding doc
  clocksource/drivers/atcpit100: VDSO support
  clocksource/drivers/atcpit100: Add andestech atcpit100 timer
  net: faraday add nds32 support.
  irqchip: Andestech Internal Vector Interrupt Controller driver
  dt-bindings: interrupt-controller: Andestech Internal Vector Interrupt Controller
  dt-bindings: nds32 SoC Bindings
  dt-bindings: nds32 L2 cache controller Bindings
  dt-bindings: nds32 CPU Bindings
  MAINTAINERS: Add nds32
  nds32: Build infrastructure
  nds32: defconfig
  nds32: Miscellaneous header files
  nds32: Device tree support
  nds32: Generic timers support
  nds32: Loadable modules
  ...
 2018-04-02 19:41:08 -07:00
Linus Torvalds
17e3cd222a m68k updates for 4.17 
- Macintosh enhancements and fixes,
   - Remove useless memory layout printing using hashed pointers,
   - Add missing Amiga Zorro bus DMA mask,
   - Small fixes and cleanups,
   - Defconfig updates.
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Merge tag 'm68k-for-v4.17-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Macintosh enhancements and fixes

 - Remove useless memory layout printing using hashed pointers

 - Add missing Amiga Zorro bus DMA mask

 - Small fixes and cleanups

 - Defconfig updates

* tag 'm68k-for-v4.17-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k/mac: Remove bogus "FIXME" comment
  m68k/mac: Enable RTC for 100-series PowerBooks
  m68k/mac: Clean up whitespace and remove redundant parentheses
  m68k/defconfig: Update defconfigs for v4.16-rc5
  zorro: Set up z->dev.dma_mask for the DMA API
  m68k/time: Stop validating rtc_time in .read_time
  m68k/mm: Stop printing the virtual memory layout
  macintosh/via-pmu68k: Initialize PMU driver with setup_arch and arch_initcall
  m68k/mac: Fix apparent race condition in Baboon interrupt dispatch
  m68k/mac: Enable PDMA support for PowerBook 190
 2018-04-02 19:23:05 -07:00
Linus Torvalds
bc16d4052f Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull EFI updates from Ingo Molnar:
 "The main EFI changes in this cycle were:

   - Fix the apple-properties code (Andy Shevchenko)

   - Add WARN() on arm64 if UEFI Runtime Services corrupt the reserved
     x18 register (Ard Biesheuvel)

   - Use efi_switch_mm() on x86 instead of manipulating %cr3 directly
     (Sai Praneeth)

   - Fix early memremap leak in ESRT code (Ard Biesheuvel)

   - Switch to L"xxx" notation for wide string literals (Ard Biesheuvel)

   - ... plus misc other cleanups and bugfixes"

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/efi: Use efi_switch_mm() rather than manually twiddling with %cr3
  x86/efi: Replace efi_pgd with efi_mm.pgd
  efi: Use string literals for efi_char16_t variable initializers
  efi/esrt: Fix handling of early ESRT table mapping
  efi: Use efi_mm in x86 as well as ARM
  efi: Make const array 'apple' static
  efi/apple-properties: Use memremap() instead of ioremap()
  efi: Reorder pr_notice() with add_device_randomness() call
  x86/efi: Replace GFP_ATOMIC with GFP_KERNEL in efi_query_variable_store()
  efi/arm64: Check whether x18 is preserved by runtime services calls
  efi/arm*: Stop printing addresses of virtual mappings
  efi/apple-properties: Remove redundant attribute initialization from unmarshal_key_value_pairs()
  efi/arm*: Only register page tables when they exist
 2018-04-02 17:46:37 -07:00
Linus Torvalds
2fcd2b306a Merge branch 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 dma mapping updates from Ingo Molnar:
 "This tree, by Christoph Hellwig, switches over the x86 architecture to
  the generic dma-direct and swiotlb code, and also unifies more of the
  dma-direct code between architectures. The now unused x86-only
  primitives are removed"

* 'x86-dma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dma-mapping: Don't clear GFP_ZERO in dma_alloc_attrs
  swiotlb: Make swiotlb_{alloc,free}_buffer depend on CONFIG_DMA_DIRECT_OPS
  dma/swiotlb: Remove swiotlb_{alloc,free}_coherent()
  dma/direct: Handle force decryption for DMA coherent buffers in common code
  dma/direct: Handle the memory encryption bit in common code
  dma/swiotlb: Remove swiotlb_set_mem_attributes()
  set_memory.h: Provide set_memory_{en,de}crypted() stubs
  x86/dma: Remove dma_alloc_coherent_gfp_flags()
  iommu/intel-iommu: Enable CONFIG_DMA_DIRECT_OPS=y and clean up intel_{alloc,free}_coherent()
  iommu/amd_iommu: Use CONFIG_DMA_DIRECT_OPS=y and dma_direct_{alloc,free}()
  x86/dma/amd_gart: Use dma_direct_{alloc,free}()
  x86/dma/amd_gart: Look at dev->coherent_dma_mask instead of GFP_DMA
  x86/dma: Use generic swiotlb_ops
  x86/dma: Use DMA-direct (CONFIG_DMA_DIRECT_OPS=y)
  x86/dma: Remove dma_alloc_coherent_mask()
 2018-04-02 17:18:45 -07:00
Linus Torvalds
ce6eba3dba Merge branch 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull wait_var_event updates from Ingo Molnar:
 "This introduces the new wait_var_event() API, which is a more flexible
  waiting primitive than wait_on_atomic_t().

  All wait_on_atomic_t() users are migrated over to the new API and
  wait_on_atomic_t() is removed. The migration fixes one bug and should
  result in no functional changes for the other usecases"

* 'sched-wait-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/wait: Improve __var_waitqueue() code generation
  sched/wait: Remove the wait_on_atomic_t() API
  sched/wait, arch/mips: Fix and convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, fs/ocfs2: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, fs/nfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, fs/fscache: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, fs/btrfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, fs/afs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, drivers/media: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API
  sched/wait: Introduce wait_var_event()
 2018-04-02 16:50:39 -07:00
Linus Torvalds
a5532439eb Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 timer updates from Ingo Molnar:
 "Two changes: add the new convert_art_ns_to_tsc() API for upcoming
  Intel Goldmont+ drivers, and remove the obsolete rdtscll() API"

* 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tsc: Get rid of rdtscll()
  x86/tsc: Convert ART in nanoseconds to TSC
 2018-04-02 16:18:31 -07:00
Linus Torvalds
cea061e455 Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 platform updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Add "Jailhouse" hypervisor support (Jan Kiszka)

   - Update DeviceTree support (Ivan Gorinov)

   - Improve DMI date handling (Andy Shevchenko)"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/PCI: Fix a potential regression when using dmi_get_bios_year()
  firmware/dmi_scan: Uninline dmi_get_bios_year() helper
  x86/devicetree: Use CPU description from Device Tree
  of/Documentation: Specify local APIC ID in "reg"
  MAINTAINERS: Add entry for Jailhouse
  x86/jailhouse: Allow to use PCI_MMCONFIG without ACPI
  x86: Consolidate PCI_MMCONFIG configs
  x86: Align x86_64 PCI_MMCONFIG with 32-bit variant
  x86/jailhouse: Enable PCI mmconfig access in inmates
  PCI: Scan all functions when running over Jailhouse
  jailhouse: Provide detection for non-x86 systems
  x86/devicetree: Fix device IRQ settings in DT
  x86/devicetree: Initialize device tree before using it
  pci: Simplify code by using the new dmi_get_bios_year() helper
  ACPI/sleep: Simplify code by using the new dmi_get_bios_year() helper
  x86/pci: Simplify code by using the new dmi_get_bios_year() helper
  dmi: Introduce the dmi_get_bios_year() helper function
  x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro
  x86/platform/atom: Re-use DEFINE_SHOW_ATTRIBUTE() macro
 2018-04-02 16:15:32 -07:00
Linus Torvalds
d22fff8141 Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 mm updates from Ingo Molnar:

 - Extend the memmap= boot parameter syntax to allow the redeclaration
   and dropping of existing ranges, and to support all e820 range types
   (Jan H. Schönherr)

 - Improve the W+X boot time security checks to remove false positive
   warnings on Xen (Jan Beulich)

 - Support booting as Xen PVH guest (Juergen Gross)

 - Improved 5-level paging (LA57) support, in particular it's possible
   now to have a single kernel image for both 4-level and 5-level
   hardware (Kirill A. Shutemov)

 - AMD hardware RAM encryption support (SME/SEV) fixes (Tom Lendacky)

 - Preparatory commits for hardware-encrypted RAM support on Intel CPUs.
   (Kirill A. Shutemov)

 - Improved Intel-MID support (Andy Shevchenko)

 - Show EFI page tables in page_tables debug files (Andy Lutomirski)

 - ... plus misc fixes and smaller cleanups

* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits)
  x86/cpu/tme: Fix spelling: "configuation" -> "configuration"
  x86/boot: Fix SEV boot failure from change to __PHYSICAL_MASK_SHIFT
  x86/mm: Update comment in detect_tme() regarding x86_phys_bits
  x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic
  x86/mm: Remove pointless checks in vmalloc_fault
  x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms
  ACPI, x86/boot: Introduce the ->reduced_hw_early_init() ACPI callback
  ACPI, x86/boot: Split out acpi_generic_reduce_hw_init() and export
  x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf
  x86/pconfig: Detect PCONFIG targets
  x86/tme: Detect if TME and MKTME is activated by BIOS
  x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G
  x86/boot/compressed/64: Use page table in trampoline memory
  x86/boot/compressed/64: Use stack from trampoline memory
  x86/boot/compressed/64: Make sure we have a 32-bit code segment
  x86/mm: Do not use paravirtualized calls in native_set_p4d()
  kdump, vmcoreinfo: Export pgtable_l5_enabled value
  x86/boot/compressed/64: Prepare new top-level page table for trampoline
  x86/boot/compressed/64: Set up trampoline memory
  x86/boot/compressed/64: Save and restore trampoline memory
  ...
 2018-04-02 15:45:30 -07:00
Linus Torvalds
986b37c0ae Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 cleanups and msr updates from Ingo Molnar:
 "The main change is a performance/latency improvement to /dev/msr
  access. The rest are misc cleanups"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/msr: Make rdmsrl_safe_on_cpu() scheduling safe as well
  x86/cpuid: Allow cpuid_read() to schedule
  x86/msr: Allow rdmsr_safe_on_cpu() to schedule
  x86/rtc: Stop using deprecated functions
  x86/dumpstack: Unify show_regs()
  x86/fault: Do not print IP in show_fault_oops()
  x86/MSR: Move native_* variants to msr.h
 2018-04-02 15:16:43 -07:00
Linus Torvalds
e68b4bad71 Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 build updates from Ingo Molnar:
 "The biggest change is the forcing of asm-goto support on x86, which
  effectively increases the GCC minimum supported version to gcc-4.5 (on
  x86)"

* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/build: Don't pass in -D__KERNEL__ multiple times
  x86: Remove FAST_FEATURE_TESTS
  x86: Force asm-goto
  x86/build: Drop superfluous ALIGN from the linker script
 2018-04-02 14:37:03 -07:00
Linus Torvalds
5e46caf62d Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 asm fixlets from Ingo Molnar:
 "A clobber list fix and cleanups"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/asm: Trim clear_page.S includes
  x86/asm: Clobber flags in clear_page()
 2018-04-02 14:06:47 -07:00