Commit Graph

890266 Commits

Author SHA1 Message Date
Steve French
b581098482 cifs: update internal module version number
To 2.25

Signed-off-by: Steve French <stfrench@microsoft.com>
2020-01-31 15:13:22 -06:00
Ronnie Sahlberg
c54849ddd8 cifs: fix soft mounts hanging in the reconnect code
RHBZ: 1795429

In recent DFS updates we have a new variable controlling how many times we will
retry to reconnect the share.
If DFS is not used, then this variable is initialized to 0 in:

static inline int
dfs_cache_get_nr_tgts(const struct dfs_cache_tgt_list *tl)
{
        return tl ? tl->tl_numtgts : 0;
}

This means that in the reconnect loop in smb2_reconnect() we will immediately wrap retries to -1
and never actually get to pass this conditional:

                if (--retries)
                        continue;

The effect is that we no longer reach the point where we fail the commands with -EHOSTDOWN
and basically the kernel threads are virtually hung and unkillable.

Fixes: a3a53b7603 (cifs: Add support for failover in smb2_reconnect())
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
CC: Stable <stable@vger.kernel.org>
2020-01-30 15:23:55 -06:00
Linus Torvalds
68353984d6 Various SMB3/CIFS fixes including 4 for stable. Improvement to fallocate (enables 3 additional xfstests). Fix for file creation when mounting with modefromsid, add ability to backup/restore dos attributes and creation time, DFS failover and reconnect fixes and performance optimization for readir
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Merge tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs updates from Steve French:
 "Various SMB3/CIFS fixes including four for stable.

   - Improvement to fallocate (enables 3 additional xfstests)

   - Fix for file creation when mounting with modefromsid

   - Add ability to backup/restore dos attributes and creation time

   - DFS failover and reconnect fixes

   - performance optimization for readir

  Note that due to the upcoming SMB3 Test Event (at SNIA SDC next week)
  there will likely be more changesets near the end of the merge window
  (since we will be testing heavily next week, I held off on some
  patches and I expect some additional multichannel patches as well as
  patches to enable some additional xfstests)"

* tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
  CIFS: Fix task struct use-after-free on reconnect
  cifs: use PTR_ERR_OR_ZERO() to simplify code
  cifs: add support for fallocate mode 0 for non-sparse files
  cifs: fix NULL dereference in match_prepath
  smb3: fix default permissions on new files when mounting with modefromsid
  CIFS: Add support for setting owner info, dos attributes, and create time
  cifs: remove set but not used variable 'server'
  cifs: Fix memory allocation in __smb2_handle_cancelled_cmd()
  cifs: Fix mount options set in automount
  cifs: fix unitialized variable poential problem with network I/O cache lock patch
  cifs: Fix return value in __update_cache_entry
  cifs: Avoid doing network I/O while holding cache lock
  cifs: Fix potential deadlock when updating vol in cifs_reconnect()
  cifs: Merge is_path_valid() into get_normalized_path()
  cifs: Introduce helpers for finding TCP connection
  cifs: Get rid of kstrdup_const()'d paths
  cifs: Clean up DFS referral cache
  cifs: Don't use iov_iter::type directly
  cifs: set correct max-buffer-size for smb2_ioctl_init()
  cifs: use compounding for open and first query-dir for readdir()
  ...
2020-01-28 15:34:03 -08:00
Linus Torvalds
c8994374d9 fsverity updates for 5.6
- Optimize fs-verity sequential read performance by implementing
   readahead of Merkle tree pages.  This allows the Merkle tree to be
   read in larger chunks.
 
 - Optimize FS_IOC_ENABLE_VERITY performance in the uncached case by
   implementing readahead of data pages.
 
 - Allocate the hash requests from a mempool in order to eliminate the
   possibility of allocation failures during I/O.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt

Pull fsverity updates from Eric Biggers:

 - Optimize fs-verity sequential read performance by implementing
   readahead of Merkle tree pages. This allows the Merkle tree to be
   read in larger chunks.

 - Optimize FS_IOC_ENABLE_VERITY performance in the uncached case by
   implementing readahead of data pages.

 - Allocate the hash requests from a mempool in order to eliminate the
   possibility of allocation failures during I/O.

* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
  fs-verity: use u64_to_user_ptr()
  fs-verity: use mempool for hash requests
  fs-verity: implement readahead of Merkle tree pages
  fs-verity: implement readahead for FS_IOC_ENABLE_VERITY
2020-01-28 15:31:03 -08:00
Linus Torvalds
f0d8744143 fscrypt updates for 5.6
- Extend the FS_IOC_ADD_ENCRYPTION_KEY ioctl to allow the raw key to be
   provided via a keyring key.
 
 - Prepare for the new dirhash method (SipHash of plaintext name) that
   will be used by directories that are both encrypted and casefolded.
 
 - Switch to a new format for "no-key names" that prepares for the new
   dirhash method, and also fixes a longstanding bug where multiple
   filenames could map to the same no-key name.
 
 - Allow the crypto algorithms used by fscrypt to be built as loadable
   modules when the fscrypt-capable filesystems are.
 
 - Optimize fscrypt_zeroout_range().
 
 - Various cleanups.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt

Pull fscrypt updates from Eric Biggers:

 - Extend the FS_IOC_ADD_ENCRYPTION_KEY ioctl to allow the raw key to be
   provided via a keyring key.

 - Prepare for the new dirhash method (SipHash of plaintext name) that
   will be used by directories that are both encrypted and casefolded.

 - Switch to a new format for "no-key names" that prepares for the new
   dirhash method, and also fixes a longstanding bug where multiple
   filenames could map to the same no-key name.

 - Allow the crypto algorithms used by fscrypt to be built as loadable
   modules when the fscrypt-capable filesystems are.

 - Optimize fscrypt_zeroout_range().

 - Various cleanups.

* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: (26 commits)
  fscrypt: improve format of no-key names
  ubifs: allow both hash and disk name to be provided in no-key names
  ubifs: don't trigger assertion on invalid no-key filename
  fscrypt: clarify what is meant by a per-file key
  fscrypt: derive dirhash key for casefolded directories
  fscrypt: don't allow v1 policies with casefolding
  fscrypt: add "fscrypt_" prefix to fname_encrypt()
  fscrypt: don't print name of busy file when removing key
  ubifs: use IS_ENCRYPTED() instead of ubifs_crypt_is_encrypted()
  fscrypt: document gfp_flags for bounce page allocation
  fscrypt: optimize fscrypt_zeroout_range()
  fscrypt: remove redundant bi_status check
  fscrypt: Allow modular crypto algorithms
  fscrypt: include <linux/ioctl.h> in UAPI header
  fscrypt: don't check for ENOKEY from fscrypt_get_encryption_info()
  fscrypt: remove fscrypt_is_direct_key_policy()
  fscrypt: move fscrypt_valid_enc_modes() to policy.c
  fscrypt: check for appropriate use of DIRECT_KEY flag earlier
  fscrypt: split up fscrypt_supported_policy() by policy version
  fscrypt: introduce fscrypt_needs_contents_encryption()
  ...
2020-01-28 15:22:21 -08:00
Linus Torvalds
b5f7ab6b1c fs-dedupe-last-block-tag
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Merge tag 'fs-dedupe-last-block-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull fs deduplication fix from David Sterba:
 "This is a fix for deduplication bug: the last block of two files is
  allowed to deduplicated. This got broken in 5.1 by lifting some
  generic checks to VFS layer. The affected filesystems are btrfs and
  xfs.

  The patches are marked for stable as the bug decreases deduplication
  effectivity"

* tag 'fs-dedupe-last-block-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Btrfs: make deduplication with range including the last block work
  fs: allow deduplication of eof block into the end of the destination file
2020-01-28 15:18:23 -08:00
Linus Torvalds
81a046b18b for-5.6-tag
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Merge tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "Features, highlights:

   - async discard
       - "mount -o discard=async" to enable it
       - freed extents are not discarded immediatelly, but grouped
         together and trimmed later, with IO rate limiting
       - the "sync" mode submits short extents that could have been
         ignored completely by the device, for SATA prior to 3.1 the
         requests are unqueued and have a big impact on performance
       - the actual discard IO requests have been moved out of
         transaction commit to a worker thread, improving commit latency
       - IO rate and request size can be tuned by sysfs files, for now
         enabled only with CONFIG_BTRFS_DEBUG as we might need to
         add/delete the files and don't have a stable-ish ABI for
         general use, defaults are conservative

   - export device state info in sysfs, eg. missing, writeable

   - no discard of extents known to be untouched on disk (eg. after
     reservation)

   - device stats reset is logged with process name and PID that called
     the ioctl

  Fixes:

   - fix missing hole after hole punching and fsync when using NO_HOLES

   - writeback: range cyclic mode could miss some dirty pages and lead
     to OOM

   - two more corner cases for metadata_uuid change after power loss
     during the change

   - fix infinite loop during fsync after mix of rename operations

  Core changes:

   - qgroup assign returns ENOTCONN when quotas not enabled, used to
     return EINVAL that was confusing

   - device closing does not need to allocate memory anymore

   - snapshot aware code got removed, disabled for years due to
     performance problems, reimplmentation will allow to select wheter
     defrag breaks or does not break COW on shared extents

   - tree-checker:
       - check leaf chunk item size, cross check against number of
         stripes
       - verify location keys for DIR_ITEM, DIR_INDEX and XATTR items

   - new self test for physical -> logical mapping code, used for super
     block range exclusion

   - assertion helpers/macros updated to avoid objtool "unreachable
     code" reports on older compilers or config option combinations"

* tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (84 commits)
  btrfs: free block groups after free'ing fs trees
  btrfs: Fix split-brain handling when changing FSID to metadata uuid
  btrfs: Handle another split brain scenario with metadata uuid feature
  btrfs: Factor out metadata_uuid code from find_fsid.
  btrfs: Call find_fsid from find_fsid_inprogress
  Btrfs: fix infinite loop during fsync after rename operations
  btrfs: set trans->drity in btrfs_commit_transaction
  btrfs: drop log root for dropped roots
  btrfs: sysfs, add devid/dev_state kobject and device attributes
  btrfs: Refactor btrfs_rmap_block to improve readability
  btrfs: Add self-tests for btrfs_rmap_block
  btrfs: selftests: Add support for dummy devices
  btrfs: Move and unexport btrfs_rmap_block
  btrfs: separate definition of assertion failure handlers
  btrfs: device stats, log when stats are zeroed
  btrfs: fix improper setting of scanned for range cyclic write cache pages
  btrfs: safely advance counter when looking up bio csums
  btrfs: remove unused member btrfs_device::work
  btrfs: remove unnecessary wrapper get_alloc_profile
  btrfs: add correction to handle -1 edge case in async discard
  ...
2020-01-28 14:53:31 -08:00
Linus Torvalds
511fdb7844 Merge branch 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mtrr updates from Ingo Molnar:
 "Two changes: restrict /proc/mtrr to CAP_SYS_ADMIN, plus a cleanup"

* 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mtrr: Require CAP_SYS_ADMIN for all access
  x86/mtrr: Get rid of mtrr_seq_show() forward declaration
2020-01-28 13:06:05 -08:00
Linus Torvalds
4d6245ce8c Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU updates from Ingo Molnar:
 "Three changes: fix a race that can result in FPU corruption, plus two
  cleanups"

* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Deactivate FPU state after failure during state load
  x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool
  x86/fpu/xstate: Fix small issues
2020-01-28 13:04:38 -08:00
Linus Torvalds
c0275ae758 Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu-features updates from Ingo Molnar:
 "The biggest change in this cycle was a large series from Sean
  Christopherson to clean up the handling of VMX features. This both
  fixes bugs/inconsistencies and makes the code more coherent and
  future-proof.

  There are also two cleanups and a minor TSX syslog messages
  enhancement"

* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  x86/cpu: Remove redundant cpu_detect_cache_sizes() call
  x86/cpu: Print "VMX disabled" error message iff KVM is enabled
  KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs
  perf/x86: Provide stubs of KVM helpers for non-Intel CPUs
  KVM: VMX: Use VMX_FEATURE_* flags to define VMCS control bits
  KVM: VMX: Check for full VMX support when verifying CPU compatibility
  KVM: VMX: Use VMX feature flag to query BIOS enabling
  KVM: VMX: Drop initialization of IA32_FEAT_CTL MSR
  x86/cpufeatures: Add flag to track whether MSR IA32_FEAT_CTL is configured
  x86/cpu: Set synthetic VMX cpufeatures during init_ia32_feat_ctl()
  x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
  x86/cpu: Detect VMX features on Intel, Centaur and Zhaoxin CPUs
  x86/vmx: Introduce VMX_FEATURES_*
  x86/cpu: Clear VMX feature flag if VMX is not fully enabled
  x86/zhaoxin: Use common IA32_FEAT_CTL MSR initialization
  x86/centaur: Use common IA32_FEAT_CTL MSR initialization
  x86/mce: WARN once if IA32_FEAT_CTL MSR is left unlocked
  x86/intel: Initialize IA32_FEAT_CTL MSR at boot
  tools/x86: Sync msr-index.h from kernel sources
  selftests, kvm: Replace manual MSR defs with common msr-index.h
  ...
2020-01-28 12:46:42 -08:00
Linus Torvalds
f6170f0afb Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Ingo Molnar:
 "Misc changes:

   - Enhance #GP fault printouts by distinguishing between canonical and
     non-canonical address faults, and also add KASAN fault decoding.

   - Fix/enhance the x86 NMI handler by putting the duration check into
     a direct function call instead of an irq_work which we know to be
     broken in some cases.

   - Clean up do_general_protection() a bit"

* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/nmi: Remove irq_work from the long duration NMI handler
  x86/traps: Cleanup do_general_protection()
  x86/kasan: Print original address on #GP
  x86/dumpstack: Introduce die_addr() for die() with #GP fault address
  x86/traps: Print address on #GP
  x86/insn-eval: Add support for 64-bit kernel mode
2020-01-28 12:28:06 -08:00
Linus Torvalds
6da49d1abd Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
 "Misc cleanups all around the map"

* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/CPU/AMD: Remove amd_get_topology_early()
  x86/tsc: Remove redundant assignment
  x86/crash: Use resource_size()
  x86/cpu: Add a missing prototype for arch_smt_update()
  x86/nospec: Remove unused RSB_FILL_LOOPS
  x86/vdso: Provide missing include file
  x86/Kconfig: Correct spelling and punctuation
  Documentation/x86/boot: Fix typo
  x86/boot: Fix a comment's incorrect file reference
  x86/process: Remove set but not used variables prev and next
  x86/Kconfig: Fix Kconfig indentation
2020-01-28 12:11:23 -08:00
Linus Torvalds
4244057c3d Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Ingo Molnar:
 "The main change in this tree is the extension of the resctrl procfs
  ABI with a new file that helps tooling to navigate from tasks back to
  resctrl groups: /proc/{pid}/cpu_resctrl_groups.

  Also fix static key usage for certain feature combinations and
  simplify the task exit resctrl case"

* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Add task resctrl information display
  x86/resctrl: Check monitoring static key in the MBM overflow handler
  x86/resctrl: Do not reconfigure exiting tasks
2020-01-28 12:00:29 -08:00
Linus Torvalds
6b90e71a47 Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot update from Ingo Molnar:
 "Two minor changes: fix an atypical binutils combination build bug, and
  also fix a VRAM size check for simplefb"

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sysfb: Fix check for bad VRAM size
  x86/boot: Discard .eh_frame sections
2020-01-28 11:54:05 -08:00
Linus Torvalds
bcc8aff6af Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
 "Misc updates:

   - Remove last remaining calls to exception_enter/exception_exit() and
     simplify the entry code some more.

   - Remove force_iret()

   - Add support for "Fast Short Rep Mov", which is available starting
     with Ice Lake Intel CPUs - and make the x86 assembly version of
     memmove() use REP MOV for all sizes when FSRM is available.

   - Micro-optimize/simplify the 32-bit boot code a bit.

   - Use a more future-proof SYSRET instruction mnemonic"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Simplify calculation of output address
  x86/entry/64: Add instruction suffix to SYSRET
  x86: Remove force_iret()
  x86/cpufeatures: Add support for fast short REP; MOVSB
  x86/context-tracking: Remove exception_enter/exit() from KVM_PV_REASON_PAGE_NOT_PRESENT async page fault
  x86/context-tracking: Remove exception_enter/exit() from do_page_fault()
2020-01-28 11:08:13 -08:00
Linus Torvalds
435dd727a4 Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic fix from Ingo Molnar:
 "A single commit that simplifies the code and gets rid of a compiler
  warning"

* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic/uv: Avoid unused variable warning
2020-01-28 11:06:49 -08:00
Linus Torvalds
c677124e63 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
 "These were the main changes in this cycle:

   - More -rt motivated separation of CONFIG_PREEMPT and
     CONFIG_PREEMPTION.

   - Add more low level scheduling topology sanity checks and warnings
     to filter out nonsensical topologies that break scheduling.

   - Extend uclamp constraints to influence wakeup CPU placement

   - Make the RT scheduler more aware of asymmetric topologies and CPU
     capacities, via uclamp metrics, if CONFIG_UCLAMP_TASK=y

   - Make idle CPU selection more consistent

   - Various fixes, smaller cleanups, updates and enhancements - please
     see the git log for details"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (58 commits)
  sched/fair: Define sched_idle_cpu() only for SMP configurations
  sched/topology: Assert non-NUMA topology masks don't (partially) overlap
  idle: fix spelling mistake "iterrupts" -> "interrupts"
  sched/fair: Remove redundant call to cpufreq_update_util()
  sched/psi: create /proc/pressure and /proc/pressure/{io|memory|cpu} only when psi enabled
  sched/fair: Fix sgc->{min,max}_capacity calculation for SD_OVERLAP
  sched/fair: calculate delta runnable load only when it's needed
  sched/cputime: move rq parameter in irqtime_account_process_tick
  stop_machine: Make stop_cpus() static
  sched/debug: Reset watchdog on all CPUs while processing sysrq-t
  sched/core: Fix size of rq::uclamp initialization
  sched/uclamp: Fix a bug in propagating uclamp value in new cgroups
  sched/fair: Load balance aggressively for SCHED_IDLE CPUs
  sched/fair : Improve update_sd_pick_busiest for spare capacity case
  watchdog: Remove soft_lockup_hrtimer_cnt and related code
  sched/rt: Make RT capacity-aware
  sched/fair: Make EAS wakeup placement consider uclamp restrictions
  sched/fair: Make task_fits_capacity() consider uclamp restrictions
  sched/uclamp: Rename uclamp_util_with() into uclamp_rq_util_with()
  sched/uclamp: Make uclamp util helpers use and return UL values
  ...
2020-01-28 10:07:09 -08:00
Linus Torvalds
c0e809e244 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "Kernel side changes:

   - Ftrace is one of the last W^X violators (after this only KLP is
     left). These patches move it over to the generic text_poke()
     interface and thereby get rid of this oddity. This requires a
     surprising amount of surgery, by Peter Zijlstra.

   - x86/AMD PMUs: add support for 'Large Increment per Cycle Events' to
     count certain types of events that have a special, quirky hw ABI
     (by Kim Phillips)

   - kprobes fixes by Masami Hiramatsu

  Lots of tooling updates as well, the following subcommands were
  updated: annotate/report/top, c2c, clang, record, report/top TUI,
  sched timehist, tests; plus updates were done to the gtk ui, libperf,
  headers and the parser"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
  perf/x86/amd: Add support for Large Increment per Cycle Events
  perf/x86/amd: Constrain Large Increment per Cycle events
  perf/x86/intel/rapl: Add Comet Lake support
  tracing: Initialize ret in syscall_enter_define_fields()
  perf header: Use last modification time for timestamp
  perf c2c: Fix return type for histogram sorting comparision functions
  perf beauty sockaddr: Fix augmented syscall format warning
  perf/ui/gtk: Fix gtk2 build
  perf ui gtk: Add missing zalloc object
  perf tools: Use %define api.pure full instead of %pure-parser
  libperf: Setup initial evlist::all_cpus value
  perf report: Fix no libunwind compiled warning break s390 issue
  perf tools: Support --prefix/--prefix-strip
  perf report: Clarify in help that --children is default
  tools build: Fix test-clang.cpp with Clang 8+
  perf clang: Fix build with Clang 9
  kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
  tools lib: Fix builds when glibc contains strlcpy()
  perf report/top: Make 'e' visible in the help and make it toggle showing callchains
  perf report/top: Do not offer annotation for symbols without samples
  ...
2020-01-28 09:44:15 -08:00
Linus Torvalds
2180f214f4 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
 "Just a handful of changes in this cycle: an ARM64 performance
  optimization, a comment fix and a debug output fix"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/osq: Use optimized spinning loop for arm64
  locking/qspinlock: Fix inaccessible URL of MCS lock paper
  locking/lockdep: Fix lockdep_stats indentation problem
2020-01-28 09:33:25 -08:00
Linus Torvalds
634cd4b6af 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 changes in this cycle were:

   - Cleanup of the GOP [graphics output] handling code in the EFI stub

   - Complete refactoring of the mixed mode handling in the x86 EFI stub

   - Overhaul of the x86 EFI boot/runtime code

   - Increase robustness for mixed mode code

   - Add the ability to disable DMA at the root port level in the EFI
     stub

   - Get rid of RWX mappings in the EFI memory map and page tables,
     where possible

   - Move the support code for the old EFI memory mapping style into its
     only user, the SGI UV1+ support code.

   - plus misc fixes, updates, smaller cleanups.

  ... and due to interactions with the RWX changes, another round of PAT
  cleanups make a guest appearance via the EFI tree - with no side
  effects intended"

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
  efi/x86: Disable instrumentation in the EFI runtime handling code
  efi/libstub/x86: Fix EFI server boot failure
  efi/x86: Disallow efi=old_map in mixed mode
  x86/boot/compressed: Relax sed symbol type regex for LLVM ld.lld
  efi/x86: avoid KASAN false positives when accessing the 1: 1 mapping
  efi: Fix handling of multiple efi_fake_mem= entries
  efi: Fix efi_memmap_alloc() leaks
  efi: Add tracking for dynamically allocated memmaps
  efi: Add a flags parameter to efi_memory_map
  efi: Fix comment for efi_mem_type() wrt absent physical addresses
  efi/arm: Defer probe of PCIe backed efifb on DT systems
  efi/x86: Limit EFI old memory map to SGI UV machines
  efi/x86: Avoid RWX mappings for all of DRAM
  efi/x86: Don't map the entire kernel text RW for mixed mode
  x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd
  efi/libstub/x86: Fix unused-variable warning
  efi/libstub/x86: Use mandatory 16-byte stack alignment in mixed mode
  efi/libstub/x86: Use const attribute for efi_is_64bit()
  efi: Allow disabling PCI busmastering on bridges during boot
  efi/x86: Allow translating 64-bit arguments for mixed mode calls
  ...
2020-01-28 09:03:40 -08:00
Linus Torvalds
d99391ec2b Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The RCU changes in this cycle were:
   - Expedited grace-period updates
   - kfree_rcu() updates
   - RCU list updates
   - Preemptible RCU updates
   - Torture-test updates
   - Miscellaneous fixes
   - Documentation updates"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits)
  rcu: Remove unused stop-machine #include
  powerpc: Remove comment about read_barrier_depends()
  .mailmap: Add entries for old paulmck@kernel.org addresses
  srcu: Apply *_ONCE() to ->srcu_last_gp_end
  rcu: Switch force_qs_rnp() to for_each_leaf_node_cpu_mask()
  rcu: Move rcu_{expedited,normal} definitions into rcupdate.h
  rcu: Move gp_state_names[] and gp_state_getname() to tree_stall.h
  rcu: Remove the declaration of call_rcu() in tree.h
  rcu: Fix tracepoint tracking RCU CPU kthread utilization
  rcu: Fix harmless omission of "CONFIG_" from #if condition
  rcu: Avoid tick_dep_set_cpu() misordering
  rcu: Provide wrappers for uses of ->rcu_read_lock_nesting
  rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
  rcu: Clear ->rcu_read_unlock_special only once
  rcu: Clear .exp_hint only when deferred quiescent state has been reported
  rcu: Rename some instance of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU
  rcu: Remove kfree_call_rcu_nobatch()
  rcu: Remove kfree_rcu() special casing and lazy-callback handling
  rcu: Add support for debug_objects debugging for kfree_rcu()
  rcu: Add multiple in-flight batches of kfree_rcu() work
  ...
2020-01-28 08:46:13 -08:00
Linus Torvalds
8b561778f2 Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
 "The main changes are to move the ORC unwind table sorting from early
  init to build-time - this speeds up booting.

  No change in functionality intended"

* 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/unwind/orc: Fix !CONFIG_MODULES build warning
  x86/unwind/orc: Remove boot-time ORC unwind tables sorting
  scripts/sorttable: Implement build-time ORC unwind table sorting
  scripts/sorttable: Rename 'sortextable' to 'sorttable'
  scripts/sortextable: Refactor the do_func() function
  scripts/sortextable: Remove dead code
  scripts/sortextable: Clean up the code to meet the kernel coding style better
  scripts/sortextable: Rewrite error/success handling
2020-01-28 08:38:25 -08:00
Linus Torvalds
9f2a43019e Merge branch 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull header cleanup from Ingo Molnar:
 "This is a treewide cleanup, mostly (but not exclusively) with x86
  impact, which breaks implicit dependencies on the asm/realtime.h
  header and finally removes it from asm/acpi.h"

* 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/ACPI/sleep: Move acpi_get_wakeup_address() into sleep.c, remove <asm/realmode.h> from <asm/acpi.h>
  ACPI/sleep: Convert acpi_wakeup_address into a function
  x86/ACPI/sleep: Remove an unnecessary include of asm/realmode.h
  ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys()
  vmw_balloon: Explicitly include linux/io.h for virt_to_phys()
  virt: vbox: Explicitly include linux/io.h to pick up various defs
  efi/capsule-loader: Explicitly include linux/io.h for page_to_phys()
  perf/x86/intel: Explicitly include asm/io.h to use virt_to_phys()
  x86/kprobes: Explicitly include vmalloc.h for set_vm_flush_reset_perms()
  x86/ftrace: Explicitly include vmalloc.h for set_vm_flush_reset_perms()
  x86/boot: Explicitly include realmode.h to handle RM reservations
  x86/efi: Explicitly include realmode.h to handle RM trampoline quirk
  x86/platform/intel/quark: Explicitly include linux/io.h for virt_to_phys()
  x86/setup: Enhance the comments
  x86/setup: Clean up the header portion of setup.c
2020-01-28 08:20:54 -08:00
Ingo Molnar
0cc4bd8f70 Merge branch 'core/kprobes' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-01-28 07:59:05 +01:00
Linus Torvalds
b0be0eff1a The performance deterioration departement provides a few non-scary fixes
and improvements:
 
  - Update the cached HLE state when the TSX state is changed via the new
    control register. This ensures feature bit consistency.
 
  - Exclude the new Zhaoxin CPUs from Spectre V2 and SWAPGS vulnerabilities.
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Merge tag 'x86-pti-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 pti updates from Thomas Gleixner:
 "The performance deterioration departement provides a few non-scary
  fixes and improvements:

   - Update the cached HLE state when the TSX state is changed via the
     new control register. This ensures feature bit consistency.

   - Exclude the new Zhaoxin CPUs from Spectre V2 and SWAPGS
     vulnerabilities"

* tag 'x86-pti-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/speculation/swapgs: Exclude Zhaoxin CPUs from SWAPGS vulnerability
  x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2
  x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR
2020-01-27 17:28:52 -08:00
Linus Torvalds
3d3b44a61a The interrupt departement provides:
- A mechanism to shield isolated tasks from managed interrupts:
 
    The affinity of managed interrupts is completely controlled by the
    kernel and user space has no influence on them. The reason is that
    the automatically assigned affinity correlates to the multi-queue
    CPU handling of block devices.
 
    If the generated affinity mask spaws both housekeeping and isolated CPUs
    the interrupt could be routed to an isolated CPU which would then be
    disturbed by I/O submitted by a housekeeping CPU.
 
    The new mechamism ensures that as long as one housekeeping CPU is online
    in the assigned affinity mask the interrupt is routed to a housekeeping
    CPU.
 
    If there is no online housekeeping CPU in the affinity mask, then the
    interrupt is routed to an isolated CPU to keep the device queue intact,
    but unless the isolated CPU submits I/O by itself these interrupts are
    not raised.
 
  - A small addon to the device tree irqdomain core code to avoid
    duplication in irq chip drivers
 
  - Conversion of the SiFive PLIC to hierarchical domains
 
  - The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI, NXP
    INTMUX, Meson A1 GPIO
 
  - The first cut of support for the new ARM GICv4.1
 
  - The usual pile of fixes and improvements in core and driver code
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Merge tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "The interrupt departement provides:

   - A mechanism to shield isolated tasks from managed interrupts:

     The affinity of managed interrupts is completely controlled by the
     kernel and user space has no influence on them. The reason is that
     the automatically assigned affinity correlates to the multi-queue
     CPU handling of block devices.

     If the generated affinity mask spaws both housekeeping and isolated
     CPUs the interrupt could be routed to an isolated CPU which would
     then be disturbed by I/O submitted by a housekeeping CPU.

     The new mechamism ensures that as long as one housekeeping CPU is
     online in the assigned affinity mask the interrupt is routed to a
     housekeeping CPU.

     If there is no online housekeeping CPU in the affinity mask, then
     the interrupt is routed to an isolated CPU to keep the device queue
     intact, but unless the isolated CPU submits I/O by itself these
     interrupts are not raised.

   - A small addon to the device tree irqdomain core code to avoid
     duplication in irq chip drivers

   - Conversion of the SiFive PLIC to hierarchical domains

   - The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI,
     NXP INTMUX, Meson A1 GPIO

   - The first cut of support for the new ARM GICv4.1

   - The usual pile of fixes and improvements in core and driver code"

* tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
  genirq, sched/isolation: Isolate from handling managed interrupts
  irqchip/gic-v4.1: Allow direct invalidation of VLPIs
  irqchip/gic-v4.1: Suppress per-VLPI doorbell
  irqchip/gic-v4.1: Add VPE INVALL callback
  irqchip/gic-v4.1: Add VPE eviction callback
  irqchip/gic-v4.1: Add VPE residency callback
  irqchip/gic-v4.1: Add mask/unmask doorbell callbacks
  irqchip/gic-v4.1: Plumb skeletal VPE irqchip
  irqchip/gic-v4.1: Implement the v4.1 flavour of VMOVP
  irqchip/gic-v4.1: Don't use the VPE proxy if RVPEID is set
  irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP
  irqchip/gic-v4.1: VPE table (aka GICR_VPROPBASER) allocation
  irqchip/gic-v3: Add GICv4.1 VPEID size discovery
  irqchip/gic-v3: Detect GICv4.1 supporting RVPEID
  irqchip/gic-v3-its: Fix get_vlpi_map() breakage with doorbells
  irqdomain: Fix a memory leak in irq_domain_push_irq()
  irqchip: Add NXP INTMUX interrupt multiplexer support
  dt-bindings: interrupt-controller: Add binding for NXP INTMUX interrupt multiplexer
  irqchip: Define EXYNOS_IRQ_COMBINER
  irqchip/meson-gpio: Add support for meson a1 SoCs
  ...
2020-01-27 17:22:21 -08:00
Linus Torvalds
ab67f60025 A small set of SMP core code changes:
- Rework the smp function call core code to avoid the allocation of an
    additional cpumask.
 
  - Remove the not longer required GFP argument from on_each_cpu_cond() and
    on_each_cpu_cond_mask() and fixup the callers.
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Merge tag 'smp-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull core SMP updates from Thomas Gleixner:
 "A small set of SMP core code changes:

   - Rework the smp function call core code to avoid the allocation of
     an additional cpumask

   - Remove the not longer required GFP argument from on_each_cpu_cond()
     and on_each_cpu_cond_mask() and fixup the callers"

* tag 'smp-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  smp: Remove allocation mask from on_each_cpu_cond.*()
  smp: Add a smp_cond_func_t argument to smp_call_function_many()
  smp: Use smp_cond_func_t as type for the conditional function
2020-01-27 17:04:51 -08:00
Linus Torvalds
e279160f49 The timekeeping and timers departement provides:
- Time namespace support:
 
     If a container migrates from one host to another then it expects that
     clocks based on MONOTONIC and BOOTTIME are not subject to
     disruption. Due to different boot time and non-suspended runtime these
     clocks can differ significantly on two hosts, in the worst case time
     goes backwards which is a violation of the POSIX requirements.
 
     The time namespace addresses this problem. It allows to set offsets for
     clock MONOTONIC and BOOTTIME once after creation and before tasks are
     associated with the namespace. These offsets are taken into account by
     timers and timekeeping including the VDSO.
 
     Offsets for wall clock based clocks (REALTIME/TAI) are not provided by
     this mechanism. While in theory possible, the overhead and code
     complexity would be immense and not justified by the esoteric potential
     use cases which were discussed at Plumbers '18.
 
     The overhead for tasks in the root namespace (host time offsets = 0) is
     in the noise and great effort was made to ensure that especially in the
     VDSO. If time namespace is disabled in the kernel configuration the
     code is compiled out.
 
     Kudos to Andrei Vagin and Dmitry Sofanov who implemented this feature
     and kept on for more than a year addressing review comments, finding
     better solutions. A pleasant experience.
 
   - Overhaul of the alarmtimer device dependency handling to ensure that
     the init/suspend/resume ordering is correct.
 
   - A new clocksource/event driver for Microchip PIT64
 
   - Suspend/resume support for the Hyper-V clocksource
 
   - The usual pile of fixes, updates and improvements mostly in the
     driver code.
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Merge tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "The timekeeping and timers departement provides:

   - Time namespace support:

     If a container migrates from one host to another then it expects
     that clocks based on MONOTONIC and BOOTTIME are not subject to
     disruption. Due to different boot time and non-suspended runtime
     these clocks can differ significantly on two hosts, in the worst
     case time goes backwards which is a violation of the POSIX
     requirements.

     The time namespace addresses this problem. It allows to set offsets
     for clock MONOTONIC and BOOTTIME once after creation and before
     tasks are associated with the namespace. These offsets are taken
     into account by timers and timekeeping including the VDSO.

     Offsets for wall clock based clocks (REALTIME/TAI) are not provided
     by this mechanism. While in theory possible, the overhead and code
     complexity would be immense and not justified by the esoteric
     potential use cases which were discussed at Plumbers '18.

     The overhead for tasks in the root namespace (ie where host time
     offsets = 0) is in the noise and great effort was made to ensure
     that especially in the VDSO. If time namespace is disabled in the
     kernel configuration the code is compiled out.

     Kudos to Andrei Vagin and Dmitry Sofanov who implemented this
     feature and kept on for more than a year addressing review
     comments, finding better solutions. A pleasant experience.

   - Overhaul of the alarmtimer device dependency handling to ensure
     that the init/suspend/resume ordering is correct.

   - A new clocksource/event driver for Microchip PIT64

   - Suspend/resume support for the Hyper-V clocksource

   - The usual pile of fixes, updates and improvements mostly in the
     driver code"

* tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
  alarmtimer: Make alarmtimer_get_rtcdev() a stub when CONFIG_RTC_CLASS=n
  alarmtimer: Use wakeup source from alarmtimer platform device
  alarmtimer: Make alarmtimer platform device child of RTC device
  alarmtimer: Update alarmtimer_get_rtcdev() docs to reflect reality
  hrtimer: Add missing sparse annotation for __run_timer()
  lib/vdso: Only read hrtimer_res when needed in __cvdso_clock_getres()
  MIPS: vdso: Define BUILD_VDSO32 when building a 32bit kernel
  clocksource/drivers/hyper-v: Set TSC clocksource as default w/ InvariantTSC
  clocksource/drivers/hyper-v: Untangle stimers and timesync from clocksources
  clocksource/drivers/timer-microchip-pit64b: Fix sparse warning
  clocksource/drivers/exynos_mct: Rename Exynos to lowercase
  clocksource/drivers/timer-ti-dm: Fix uninitialized pointer access
  clocksource/drivers/timer-ti-dm: Switch to platform_get_irq
  clocksource/drivers/timer-ti-dm: Convert to devm_platform_ioremap_resource
  clocksource/drivers/em_sti: Fix variable declaration in em_sti_probe
  clocksource/drivers/em_sti: Convert to devm_platform_ioremap_resource
  clocksource/drivers/bcm2835_timer: Fix memory leak of timer
  clocksource/drivers/cadence-ttc: Use ttc driver as platform driver
  clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support
  clocksource/drivers/hyper-v: Reserve PAGE_SIZE space for tsc page
  ...
2020-01-27 16:47:05 -08:00
Linus Torvalds
534b0a8b67 A single commit for debug objects which fixes a pile of potential data
races detected by KCSAN.
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Merge tag 'core-debugobjects-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull debugobjects update from Thomas Gleixner:
 "A single commit for debug objects which fixes a pile of potential data
  races detected by KCSAN"

* tag 'core-debugobjects-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  debugobjects: Fix various data races
2020-01-27 16:45:58 -08:00
Linus Torvalds
b11c89a158 A set of watchdog/softlockup related improvements:
- Enforce that the watchdog timestamp is always valid on boot. The
    original implementation caused a watchdog disabled gap of one second in
    the boot process due to truncation of the underlying sched clock. The
    sched clock is divided by 1e9 to convert nanoseconds to seconds. So for
    the first second of the boot process the result is 0 which is at the
    same time the indicator to disable the watchdog. The trivial fix is to
    change the disabled indicator to ULONG_MAX.
 
  - Two cleanup patches removing unused and redundant code which got
    forgotten to be cleaned up in previous changes.
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Merge tag 'core-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull watchdog updates from Thomas Gleixner:
 "A set of watchdog/softlockup related improvements:

   - Enforce that the watchdog timestamp is always valid on boot. The
     original implementation caused a watchdog disabled gap of one
     second in the boot process due to truncation of the underlying
     sched clock.

     The sched clock is divided by 1e9 to convert nanoseconds to
     seconds. So for the first second of the boot process the result is
     0 which is at the same time the indicator to disable the watchdog.

     The trivial fix is to change the disabled indicator to ULONG_MAX.

   - Two cleanup patches removing unused and redundant code which got
     forgotten to be cleaned up in previous changes"

* tag 'core-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  watchdog/softlockup: Enforce that timestamp is valid on boot
  watchdog/softlockup: Remove obsolete check of last reported task
  watchdog: Remove soft_lockup_hrtimer_cnt and related code
2020-01-27 16:42:11 -08:00
Linus Torvalds
a56c41e5d7 Two fixes for the generic VDSO code which missed 5.5:
- Make the update to the coarse timekeeper unconditional. This is required
    because the coarse timekeeper interfaces in the VDSO do not depend on a
    VDSO capable clocksource. If the system does not have a VDSO capable
    clocksource and the update is depending on the VDSO capable clocksource,
    the coarse VDSO interfaces would operate on stale data forever.
 
  - Invert the logic of __arch_update_vdso_data() to avoid further head
    scratching. Tripped over this several times while analyzing the update
    problem above.
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Merge tag 'timers-urgent-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Thomas Gleixner:
 "Two fixes for the generic VDSO code which missed 5.5:

   - Make the update to the coarse timekeeper unconditional.

     This is required because the coarse timekeeper interfaces in the
     VDSO do not depend on a VDSO capable clocksource. If the system
     does not have a VDSO capable clocksource and the update is
     depending on the VDSO capable clocksource, the coarse VDSO
     interfaces would operate on stale data forever.

   - Invert the logic of __arch_update_vdso_data() to avoid further head
     scratching.

     Tripped over this several times while analyzing the update problem
     above"

* tag 'timers-urgent-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lib/vdso: Update coarse timekeeper unconditionally
  lib/vdso: Make __arch_update_vdso_data() logic understandable
2020-01-27 16:37:40 -08:00
Linus Torvalds
b1dba24731 selinux/stable-5.6 PR 20200127
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Merge tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull SELinux update from Paul Moore:
 "This is one of the bigger SELinux pull requests in recent years with
  28 patches. Everything is passing our test suite and the highlights
  are below:

   - Mark CONFIG_SECURITY_SELINUX_DISABLE as deprecated. We're some time
     away from actually attempting to remove this in the kernel, but the
     only distro we know that still uses it (Fedora) is working on
     moving away from this so we want to at least let people know we are
     planning to remove it.

   - Reorder the SELinux hooks to help prevent bad things when SELinux
     is disabled at runtime. The proper fix is to remove the
     CONFIG_SECURITY_SELINUX_DISABLE functionality (see above) and just
     take care of it at boot time (e.g. "selinux=0").

   - Add SELinux controls for the kernel lockdown functionality,
     introducing a new SELinux class/permissions: "lockdown { integrity
     confidentiality }".

   - Add a SELinux control for move_mount(2) that reuses the "file {
     mounton }" permission.

   - Improvements to the SELinux security label data store lookup
     functions to speed up translations between our internal label
     representations and the visible string labels (both directions).

   - Revisit a previous fix related to SELinux inode auditing and
     permission caching and do it correctly this time.

   - Fix the SELinux access decision cache to cleanup properly on error.
     In some extreme cases this could limit the cache size and result in
     a decrease in performance.

   - Enable SELinux per-file labeling for binderfs.

   - The SELinux initialized and disabled flags were wrapped with
     accessors to ensure they are accessed correctly.

   - Mark several key SELinux structures with __randomize_layout.

   - Changes to the LSM build configuration to only build
     security/lsm_audit.c when needed.

   - Changes to the SELinux build configuration to only build the IB
     object cache when CONFIG_SECURITY_INFINIBAND is enabled.

   - Move a number of single-caller functions into their callers.

   - Documentation fixes (/selinux -> /sys/fs/selinux).

   - A handful of cleanup patches that aren't worth mentioning on their
     own, the individual descriptions have plenty of detail"

* tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (28 commits)
  selinux: fix regression introduced by move_mount(2) syscall
  selinux: do not allocate ancillary buffer on first load
  selinux: remove redundant allocation and helper functions
  selinux: remove redundant selinux_nlmsg_perm
  selinux: fix wrong buffer types in policydb.c
  selinux: reorder hooks to make runtime disable less broken
  selinux: treat atomic flags more carefully
  selinux: make default_noexec read-only after init
  selinux: move ibpkeys code under CONFIG_SECURITY_INFINIBAND.
  selinux: remove redundant msg_msg_alloc_security
  Documentation,selinux: fix references to old selinuxfs mount point
  selinux: deprecate disabling SELinux and runtime
  selinux: allow per-file labelling for binderfs
  selinuxfs: use scnprintf to get real length for inode
  selinux: remove set but not used variable 'sidtab'
  selinux: ensure the policy has been loaded before reading the sidtab stats
  selinux: ensure we cleanup the internal AVC counters on error in avc_update()
  selinux: randomize layout of key structures
  selinux: clean up selinux_enabled/disabled/enforcing_boot
  selinux: remove unnecessary selinux cred request
  ...
2020-01-27 15:38:15 -08:00
Linus Torvalds
07e309a972 audit/stable-5.6 PR 20200127
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Merge tag 'audit-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit update from Paul Moore:
 "One small audit patch for the Linux v5.6 merge window, and
  unsurprisingly it passes our test suite with flying colors"

* tag 'audit-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: Add __rcu annotation to RCU pointer
2020-01-27 15:35:50 -08:00
Linus Torvalds
03aa8c8cfa Merge branch 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:

 - cgroup2 interface for hugetlb controller. I think this was the last
   remaining bit which was missing from cgroup2

 - fixes for race and a spurious warning in threaded cgroup handling

 - other minor changes

* 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  iocost: Fix iocost_monitor.py due to helper type mismatch
  cgroup: Prevent double killing of css when enabling threaded cgroup
  cgroup: fix function name in comment
  mm: hugetlb controller for cgroups v2
2020-01-27 15:18:25 -08:00
Linus Torvalds
16d06120d7 Merge branch 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
 "Just a couple tracepoint patches"

* 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: remove workqueue_work event class
  workqueue: add worker function to workqueue_execute_end tracepoint
2020-01-27 15:16:52 -08:00
Linus Torvalds
6a1000bd27 ioremap changes for 5.6
- remove ioremap_nocache given that is is equivalent to
    ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap

Pull ioremap updates from Christoph Hellwig:
 "Remove the ioremap_nocache API (plus wrappers) that are always
  identical to ioremap"

* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
  remove ioremap_nocache and devm_ioremap_nocache
  MIPS: define ioremap_nocache to ioremap
2020-01-27 13:03:00 -08:00
Linus Torvalds
9dd70e2880 for-5.6/libata-2020-01-27
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Merge tag 'for-5.6/libata-2020-01-27' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:
 "As usual pretty quiet, mostly trivial fixes (or dead code removal),
  outside of various fixes for ahci_bcrm"

* tag 'for-5.6/libata-2020-01-27' of git://git.kernel.dk/linux-block:
  ata/acard_ahci: remove unused variable n_elem
  ata: pata_macio: fix comparing pointer to 0
  ata: ahci_brcm: BCM7216 reset is self de-asserting
  ata: ahci_brcm: Perform reset after obtaining resources
  ata: brcm: fix reset controller API usage
  ata: brcm: mark PM functions as __maybe_unused
  ata: ahci_brcm: Support BCM7216 reset controller name
  dt-bindings: ata: Document BCM7216 AHCI controller compatible
  ata: ahci_brcm: Add a shutdown callback
  ata: ahci_brcm: Manage reset line during suspend/resume
2020-01-27 12:57:17 -08:00
Linus Torvalds
22a8f39c52 for-5.6/drivers-2020-01-27
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Merge tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:
 "Like the core side, not a lot of changes here, just two main items:

   - Series of patches (via Coly) with fixes for bcache (Coly,
     Christoph)

   - MD pull request from Song"

* tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block: (31 commits)
  bcache: reap from tail of c->btree_cache in bch_mca_scan()
  bcache: reap c->btree_cache_freeable from the tail in bch_mca_scan()
  bcache: remove member accessed from struct btree
  bcache: print written and keys in trace_bcache_btree_write
  bcache: avoid unnecessary btree nodes flushing in btree_flush_write()
  bcache: add code comments for state->pool in __btree_sort()
  lib: crc64: include <linux/crc64.h> for 'crc64_be'
  bcache: use read_cache_page_gfp to read the superblock
  bcache: store a pointer to the on-disk sb in the cache and cached_dev structures
  bcache: return a pointer to the on-disk sb from read_super
  bcache: transfer the sb_page reference to register_{bdev,cache}
  bcache: fix use-after-free in register_bcache()
  bcache: properly initialize 'path' and 'err' in register_bcache()
  bcache: rework error unwinding in register_bcache
  bcache: use a separate data structure for the on-disk super block
  bcache: cached_dev_free needs to put the sb page
  md/raid1: introduce wait_for_serialization
  md/raid1: use bucket based mechanism for IO serialization
  md: introduce a new struct for IO serialization
  md: don't destroy serial_info_pool if serialize_policy is true
  ...
2020-01-27 12:55:48 -08:00
Linus Torvalds
48b4b4ff1e for-5.6/block-2020-01-27
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Merge tag 'for-5.6/block-2020-01-27' of git://git.kernel.dk/linux-block

Pull core block updates from Jens Axboe:
 "This may be the most quiet round we've had in years. I'm not
  complaining. Really not a lot to detail here, outside of spelling and
  documentation improvements/fixes, we have:

   - Allow t10-pi to be modular (Herbert)

   - Remove dead code in bfq (Alex)

   - Mark zone management requests with REQ_SYNC (Chaitanya)

   - BFQ division improvement (Wen)

   - Small series improving plugging (Pavel)"

* tag 'for-5.6/block-2020-01-27' of git://git.kernel.dk/linux-block:
  partitions/ldm: fix spelling mistake "to" -> "too"
  block, bfq: improve arithmetic division in bfq_delta()
  block/bfq: remove unused bfq_class_rt which never used
  block: mark zone-mgmt bios with REQ_SYNC
  blk-mq: Document functions for sending request
  block: Allow t10-pi to be modular
  blk-mq: optimise blk_mq_flush_plug_list()
  list: introduce list_for_each_continue()
  blk-mq: optimise rq sort function
2020-01-27 12:38:25 -08:00
Linus Torvalds
34dabd8116 PNP updates for 5.6-rc1
Get rid of unused variable and function (yu kuai).
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Merge tag 'pnp-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull PNP updates from Rafael Wysocki:
 "Get rid of unused variable and function (yu kuai)"

* tag 'pnp-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PNP: isapnp: remove defined but not used function 'isapnp_checksum'
  PNP: isapnp: remove set but not used variable 'checksum'
2020-01-27 12:04:48 -08:00
Linus Torvalds
85c009e8e5 Device properties framework updates for 5.6-rc1
Add support for reference properties in sofrware nodes (Dmitry
 Torokhov) and a basic test for property entries along with fixes
 on top of it (Dmitry Torokhov, Qian Cai, Alan Maguire).
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Merge tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull device properties framework updates from Rafael Wysocki:
 "Add support for reference properties in sofrware nodes (Dmitry
  Torokhov) and a basic test for property entries along with fixes on
  top of it (Dmitry Torokhov, Qian Cai, Alan Maguire)"

* tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  software node: introduce CONFIG_KUNIT_DRIVER_PE_TEST
  usb: dwc3: use proper initializers for property entries
  drivers/base/test: fix global-out-of-bounds error
  software node: add basic tests for property entries
  software node: remove separate handling of references
  platform/x86: intel_cht_int33fe: use inline reference properties
  software node: implement reference properties
  software node: allow embedding of small arrays into property_entry
  software node: replace is_array with is_inline
2020-01-27 11:57:40 -08:00
Linus Torvalds
55816dc1a5 ACPI updates for 5.6-rc1
- Update the ACPICA code in the kernel to upstream revision
    20200110 including:
 
    * Update of copyright notices to 2020 (Bob Moore).
 
    * Dispatcher fix to always generate buffer objects for the ASL
      create_field() operator (Maximilian Luz).
 
    * Debugger cleanup (Colin Ian King).
 
    * Disassembler change to create buffer fields in
      ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
 
    * UNIX line ending support for non-windows builds in acpisrc
      (Erik Kaneda).
 
  - Update the list of ACPICA maintainers (Rafael Wysocki).
 
  - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
    int340x_thermal and intel-hid drivers (Gayatri Kammela).
 
  - Make the ACPI fan driver create additional sysfs attributes to
    expose power states information for fans (Srinivas Pandruvada).
 
  - Fix up the ACPI battery driver to deal with unexpected battery
    capacity information in a better way (Hans de Goede).
 
  - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
    boards (Aaron Ma, Hans de Goede).
 
  - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
    to the ACPI button driver (Jason Ekstrand).
 
  - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
    flags to make it run precisely at the configured time (Bhaskar
    Upadhaya).
 
  - Fix race condition related to the reference counting of query
    handlers in the ACPI EC driver (Rafael Wysocki).
 
  - Fix ACPI tools build issue (Zhengyuan Liu).
 
  - Replace dma_request_slave_channel() with dma_request_chan() in the
    firmware guide documentation for ACPI (Peter Ujfalusi).
 
  - Fix typo in a comment and clean up function parameter data type
    inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-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 the most recent upstream
  revision (20200110), add new hardware support to a handful of ACPI
  drivers, make the ACPI fan driver expose power states information for
  fans, add some more quirks, fix bugs and clean up assorted things.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20200110
     including:
      - Update of copyright notices to 2020 (Bob Moore).
      - Dispatcher fix to always generate buffer objects for the ASL
        create_field() operator (Maximilian Luz).
      - Debugger cleanup (Colin Ian King).
      - Disassembler change to create buffer fields in
        ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
      - UNIX line ending support for non-windows builds in acpisrc (Erik
        Kaneda).

   - Update the list of ACPICA maintainers (Rafael Wysocki).

   - Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
     int340x_thermal and intel-hid drivers (Gayatri Kammela).

   - Make the ACPI fan driver create additional sysfs attributes to
     expose power states information for fans (Srinivas Pandruvada).

   - Fix up the ACPI battery driver to deal with unexpected battery
     capacity information in a better way (Hans de Goede).

   - Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
     boards (Aaron Ma, Hans de Goede).

   - Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
     the ACPI button driver (Jason Ekstrand).

   - Drop TIMER_DEFERRABLE from the GHES polling mode timer function
     flags to make it run precisely at the configured time (Bhaskar
     Upadhaya).

   - Fix race condition related to the reference counting of query
     handlers in the ACPI EC driver (Rafael Wysocki).

   - Fix ACPI tools build issue (Zhengyuan Liu).

   - Replace dma_request_slave_channel() with dma_request_chan() in the
     firmware guide documentation for ACPI (Peter Ujfalusi).

   - Fix typo in a comment and clean up function parameter data type
     inconsistencies (Kacper Piwiński, Tian Tao)"

* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
  ACPICA: Update version to 20200110
  ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
  apei/ghes: Do not delay GHES polling
  ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
  ACPI: PPTT: Consistently use unsigned int as parameter type
  ACPI: EC: Reference count query handlers under lock
  ACPICA: Update the list of maintainers
  ACPICA: Update version to 20191213
  ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
  ACPICA: acpisrc: add unix line ending support for non-windows build
  ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
  ACPICA: debugger: fix spelling mistake "adress" -> "address"
  ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
  docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
  thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
  platform/x86: intel-hid: Add Tiger Lake ACPI device ID
  ACPI: fan: Add Tiger Lake ACPI device ID
  ACPI: DPTF: Add Tiger Lake ACPI device IDs
  ACPI: fan: Expose fan performance state information
  tools/power/acpi: fix compilation error
  ...
2020-01-27 11:48:47 -08:00
Linus Torvalds
6d277aca48 Power management updates for 5.6-rc1
- Update the ACPI processor driver in order to export
    acpi_processor_evaluate_cst() to the code outside of it, add
    ACPI support to the intel_idle driver based on that and clean
    up that driver somewhat (Rafael Wysocki).
 
  - Add an admin guide document for the intel_idle driver (Rafael
    Wysocki).
 
  - Clean up cpuidle core and drivers, enable compilation testing
    for some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
    Wysocki, Yangtao Li).
 
  - Fix reference counting of OPP (operating performance points) table
    structures (Viresh Kumar).
 
  - Add support for CPR (Core Power Reduction) to the AVS (Adaptive
    Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
    YueHaibing).
 
  - Add support for TigerLake Mobile and JasperLake to the Intel RAPL
    power capping driver (Zhang Rui).
 
  - Update cpufreq drivers:
 
    * Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
 
    * Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
 
    * Fix cpufreq policy reference counting issues in s3c and
      brcmstb-avs (chenqiwu).
 
    * Fix ACPI table reference counting issue and HiSilicon quirk
      handling in the CPPC driver (Hanjun Guo).
 
    * Clean up spelling mistake in intel_pstate (Harry Pan).
 
    * Convert the kirkwood and tegra186 drivers to using
      devm_platform_ioremap_resource() (Yangtao Li).
 
  - Update devfreq core:
 
    * Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
 
    * Clean up the handing of transition statistics and allow them
      to be reset by writing 0 to the 'trans_stat' devfreq device
      attribute in sysfs (Kamil Konieczny).
 
    * Add 'devfreq_summary' to debugfs (Chanwoo Choi).
 
    * Clean up kerneldoc comments and Kconfig indentation (Krzysztof
      Kozlowski, Randy Dunlap).
 
  - Update devfreq drivers:
 
    * Add dynamic scaling for the imx8m DDR controller and clean up
      imx8m-ddrc (Leonard Crestez, YueHaibing).
 
    * Fix DT node reference counting and nitialization error code path
      in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
      for it (Chanwoo Choi, Yangtao Li).
 
    * Fix DT node reference counting in rockchip-dfi and make it use
      devm_platform_ioremap_resource() (Yangtao Li).
 
    * Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
 
    * Fix initialization error code paths in exynos-bus (Yangtao Li).
 
    * Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
      Kozlowski).
 
  - Add tracepoints for tracking usage_count updates unrelated to
    status changes in PM-runtime (Michał Mirosław).
 
  - Add sysfs attribute to control the "sync on suspend" behavior
    during system-wide suspend (Jonas Meurer).
 
  - Switch system-wide suspend tests over to 64-bit time (Alexandre
    Belloni).
 
  - Make wakeup sources statistics in debugfs cover deleted ones which
    used to be the case some time ago (zhuguangqing).
 
  - Clean up computations carried out during hibernation, update
    messages related to hibernation and fix a spelling mistake in one
    of them (Wen Yang, Luigi Semenzato, Colin Ian King).
 
  - Add mailmap entry for maintainer e-mail address that has not been
    functional for several years (Rafael Wysocki).
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Merge tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add ACPI support to the intel_idle driver along with an admin
  guide document for it, add support for CPR (Core Power Reduction) to
  the AVS (Adaptive Voltage Scaling) subsystem, add new hardware support
  in a few places, add some new sysfs attributes, debugfs files and
  tracepoints, fix bugs and clean up a bunch of things all over.

  Specifics:

   - Update the ACPI processor driver in order to export
     acpi_processor_evaluate_cst() to the code outside of it, add ACPI
     support to the intel_idle driver based on that and clean up that
     driver somewhat (Rafael Wysocki).

   - Add an admin guide document for the intel_idle driver (Rafael
     Wysocki).

   - Clean up cpuidle core and drivers, enable compilation testing for
     some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
     Wysocki, Yangtao Li).

   - Fix reference counting of OPP (operating performance points) table
     structures (Viresh Kumar).

   - Add support for CPR (Core Power Reduction) to the AVS (Adaptive
     Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
     YueHaibing).

   - Add support for TigerLake Mobile and JasperLake to the Intel RAPL
     power capping driver (Zhang Rui).

   - Update cpufreq drivers:
      - Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
      - Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
      - Fix cpufreq policy reference counting issues in s3c and
        brcmstb-avs (chenqiwu).
      - Fix ACPI table reference counting issue and HiSilicon quirk
        handling in the CPPC driver (Hanjun Guo).
      - Clean up spelling mistake in intel_pstate (Harry Pan).
      - Convert the kirkwood and tegra186 drivers to using
        devm_platform_ioremap_resource() (Yangtao Li).

   - Update devfreq core:
      - Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
      - Clean up the handing of transition statistics and allow them to
        be reset by writing 0 to the 'trans_stat' devfreq device
        attribute in sysfs (Kamil Konieczny).
      - Add 'devfreq_summary' to debugfs (Chanwoo Choi).
      - Clean up kerneldoc comments and Kconfig indentation (Krzysztof
        Kozlowski, Randy Dunlap).

   - Update devfreq drivers:
      - Add dynamic scaling for the imx8m DDR controller and clean up
        imx8m-ddrc (Leonard Crestez, YueHaibing).
      - Fix DT node reference counting and nitialization error code path
        in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
        for it (Chanwoo Choi, Yangtao Li).
      - Fix DT node reference counting in rockchip-dfi and make it use
        devm_platform_ioremap_resource() (Yangtao Li).
      - Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
      - Fix initialization error code paths in exynos-bus (Yangtao Li).
      - Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
        Kozlowski).

   - Add tracepoints for tracking usage_count updates unrelated to
     status changes in PM-runtime (Michał Mirosław).

   - Add sysfs attribute to control the "sync on suspend" behavior
     during system-wide suspend (Jonas Meurer).

   - Switch system-wide suspend tests over to 64-bit time (Alexandre
     Belloni).

   - Make wakeup sources statistics in debugfs cover deleted ones which
     used to be the case some time ago (zhuguangqing).

   - Clean up computations carried out during hibernation, update
     messages related to hibernation and fix a spelling mistake in one
     of them (Wen Yang, Luigi Semenzato, Colin Ian King).

   - Add mailmap entry for maintainer e-mail address that has not been
     functional for several years (Rafael Wysocki)"

* tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (83 commits)
  cpufreq: loongson2_cpufreq: adjust cpufreq uses of LOONGSON_CHIPCFG
  intel_idle: Clean up irtl_2_usec()
  intel_idle: Move 3 functions closer to their callers
  intel_idle: Annotate initialization code and data structures
  intel_idle: Move and clean up intel_idle_cpuidle_devices_uninit()
  intel_idle: Rearrange intel_idle_cpuidle_driver_init()
  intel_idle: Clean up NULL pointer check in intel_idle_init()
  intel_idle: Fold intel_idle_probe() into intel_idle_init()
  intel_idle: Eliminate __setup_broadcast_timer()
  cpuidle: fix cpuidle_find_deepest_state() kerneldoc warnings
  cpuidle: sysfs: fix warnings when compiling with W=1
  cpuidle: coupled: fix warnings when compiling with W=1
  cpufreq: brcmstb-avs: fix imbalance of cpufreq policy refcount
  PM: suspend: Add sysfs attribute to control the "sync on suspend" behavior
  PM / devfreq: Add debugfs support with devfreq_summary file
  Documentation: admin-guide: PM: Add intel_idle document
  cpuidle: arm: Enable compile testing for some of drivers
  PM-runtime: add tracepoints for usage_count changes
  cpufreq: intel_pstate: fix spelling mistake: "Whethet" -> "Whether"
  PM: hibernate: fix spelling mistake "shapshot" -> "snapshot"
  ...
2020-01-27 11:23:54 -08:00
Linus Torvalds
aae1464f46 regulator: Updates for v5.6
Hardly anything going on in the core this time around with the regulator
 API and pretty quiet on the driver front:
 
  - An API for comparing regulators, useful for devices that need to
    check if supply voltages exactly match rather than just nominally
    match.
  - Conversion of several DT bindings to YAML format.
  - Conversion of I2C drivers to probe_new().
  - New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828.
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Merge tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Hardly anything going on in the core this time around with the
  regulator API and pretty quiet on the driver front:

   - An API for comparing regulators, useful for devices that need to
     check if supply voltages exactly match rather than just nominally
     match.

   - Conversion of several DT bindings to YAML format.

   - Conversion of I2C drivers to probe_new().

   - New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828"

* tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
  dt-bindings: regulator: add document bindings for mpq7920
  regulator: core: Fix exported symbols to the exported GPL version
  regulator: mpq7920: Fix incorrect defines
  regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings
  regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage
  regulator fix for "regulator: core: Add regulator_is_equal() helper"
  regulator: core: Add regulator_is_equal() helper
  regulator: mpq7920: Convert to use .probe_new
  regulator: mpq7920: Remove unneeded fields from struct mpq7920_regulator_info
  regulator: vqmmc-ipq4019: Trivial clean up
  regulator: vqmmc-ipq4019: Remove ipq4019_regulator_remove
  regulator: bindings: Drop document bindings for mpq7920
  dt-bindings: Drop entry for Monolithic Power System, MPS
  regulator: bd718x7: Simplify the code by removing struct bd718xx_pmic_inits
  regulator: add IPQ4019 SDHCI VQMMC LDO driver
  regulator: Convert i2c drivers to use .probe_new
  regulator: mpq7920: Check the correct variable in mpq7920_regulator_register()
  regulator: mpq7920: Fix Woverflow warning on conversion
  regulator: mp8859: tidy up white space in probe
  regulator: mpq7920: add mpq7920 regulator driver
  ...
2020-01-27 11:18:55 -08:00
Linus Torvalds
1e1ab4ba47 spi: Updates for v5.6
Not much going on in the core for SPI this time but a reasonable amount
 of change in the drivers:
 
  - Removal of dmal_request_slave_channel() from Peter Ujfalusi.
  - More conversions of drivers to GPIO descriptors from Linus Walleij.
  - A big rework of the sh-msiof driver from Geert Uytterhoeven moving it
    over to the generic native chipselect support.
  - DMA support for the uniphier driver from Kunihiko Hayashi.
  - New driver support for HiSilcon v3xx SPI NOR controllers from John
    Garry.
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Merge tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "Not much going on in the core for SPI this time but a reasonable
  amount of change in the drivers:

   - Removal of dmal_request_slave_channel() from Peter Ujfalusi.

   - More conversions of drivers to GPIO descriptors from Linus Walleij.

   - A big rework of the sh-msiof driver from Geert Uytterhoeven moving
     it over to the generic native chipselect support.

   - DMA support for the uniphier driver from Kunihiko Hayashi.

   - New driver support for HiSilcon v3xx SPI NOR controllers from John
     Garry"

* tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (52 commits)
  dt-binding: spi: add NPCM PSPI reset binding
  spi: pxa2xx: Avoid touching SSCR0_SSE on MMP2
  spi: spi-fsl-qspi: Ensure width is respected in spi-mem operations
  spi: npcm-pspi: modify reset support
  spi: npcm-pspi: improve spi transfer performance
  spi: spi-ti-qspi: fix warning
  spi: npcm-pspi: fix 16 bit send and receive support
  spi: pxa2xx: Add support for Intel Comet Lake PCH-V
  spi: fsl: simplify error path in of_fsl_spi_probe()
  spi: fsl-lpspi: fix only one cs-gpio working
  spi: spi-ti-qspi: optimize byte-transfers
  spi: spi-ti-qspi: support large flash devices
  spi: spi-qcom-qspi: Use device managed memory for clk_bulk_data
  MAINTAINERS: Add a maintainer for the HiSilicon v3xx SFC driver
  spi: Add HiSilicon v3xx SPI NOR flash controller driver
  dt-bindings: spi_atmel: add microchip,sam9x60-spi
  spi: bcm2835: Raise maximum number of slaves to 4
  spi: sh-msiof: Do not redefine STR while compile testing
  spi: rspi: Add support for GPIO chip selects
  spi: rspi: Add support for multiple native chip selects
  ...
2020-01-27 11:15:34 -08:00
Linus Torvalds
e83a0ed2a6 regmap: Updates for v5.6
This is quite a busy release for a subsystem that's usually very quiet,
 though still a small set of updates in the grand scheme of things:
 
  - A fix for writes to non-incrementing registers.
  - An iopoll() style helper for use with atomic safe regmaps, making
    it easier to transition from raw memory mapped I/O.
  - Some constification.
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Merge tag 'regmap-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is quite a busy release for a subsystem that's usually very
  quiet, though still a small set of updates in the grand scheme of
  things:

   - A fix for writes to non-incrementing registers.

   - An iopoll() style helper for use with atomic safe regmaps, making
     it easier to transition from raw memory mapped I/O.

   - Some constification"

* tag 'regmap-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: fix writes to non incrementing registers
  regmap: add iopoll-like atomic polling macro
  regmap-i2c: constify regmap_bus structures
2020-01-27 11:13:02 -08:00
Linus Torvalds
a5b871c91d dmaengine updates for v5.6-rc1
- Core:
    - Support for dynamic channels
    - Removal of various slave wrappers
    - Make few slave request APIs as private to dmaengine
    - Symlinks between channels and slaves
    - Support for hotplug of controllers
    - Support for metadata_ops for dma_async_tx_descriptor
    - Reporting DMA cached data amount
    - Virtual dma channel locking updates
 
  - New drivers/device/feature support support:
    - Driver for Intel data accelerators
    - Driver for TI K3 UDMA
    - Driver for PLX DMA engine
    - Driver for hisilicon Kunpeng DMA engine
    - Support for eDMA support for QorIQ LS1028A in fsl edma driver
    - Support for cyclic dma in sun4i driver
    - Support for X1830 in JZ4780 driver
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Merge tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time we have a bunch of core changes to support dynamic channels,
  hotplug of controllers, new apis for metadata ops etc along with new
  drivers for Intel data accelerators, TI K3 UDMA, PLX DMA engine and
  hisilicon Kunpeng DMA engine. Also usual assorted updates to drivers.

  Core:
   - Support for dynamic channels
   - Removal of various slave wrappers
   - Make few slave request APIs as private to dmaengine
   - Symlinks between channels and slaves
   - Support for hotplug of controllers
   - Support for metadata_ops for dma_async_tx_descriptor
   - Reporting DMA cached data amount
   - Virtual dma channel locking updates

  New drivers/device/feature support support:
   - Driver for Intel data accelerators
   - Driver for TI K3 UDMA
   - Driver for PLX DMA engine
   - Driver for hisilicon Kunpeng DMA engine
   - Support for eDMA support for QorIQ LS1028A in fsl edma driver
   - Support for cyclic dma in sun4i driver
   - Support for X1830 in JZ4780 driver"

* tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (62 commits)
  dmaengine: Create symlinks between DMA channels and slaves
  dmaengine: hisilicon: Add Kunpeng DMA engine support
  dmaengine: idxd: add char driver to expose submission portal to userland
  dmaengine: idxd: connect idxd to dmaengine subsystem
  dmaengine: idxd: add descriptor manipulation routines
  dmaengine: idxd: add sysfs ABI for idxd driver
  dmaengine: idxd: add configuration component of driver
  dmaengine: idxd: Init and probe for Intel data accelerators
  dmaengine: add support to dynamic register/unregister of channels
  dmaengine: break out channel registration
  x86/asm: add iosubmit_cmds512() based on MOVDIR64B CPU instruction
  dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
  dmaengine: s3c24xx-dma: fix spelling mistake "to" -> "too"
  dmaengine: Move dma_get_{,any_}slave_channel() to private dmaengine.h
  dmaengine: Remove dma_request_slave_channel_compat() wrapper
  dmaengine: Remove dma_device_satisfies_mask() wrapper
  dt-bindings: fsl-imx-sdma: Add i.MX8MM/i.MX8MN/i.MX8MP compatible string
  dmaengine: zynqmp_dma: fix burst length configuration
  dmaengine: sun4i: Add support for cyclic requests with dedicated DMA
  dmaengine: fsl-qdma: fix duplicated argument to &&
  ...
2020-01-27 10:55:50 -08:00
Linus Torvalds
715d128569 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching updates from Jiri Kosina:
 "Fixes for selftests and samples for 'shadow variables' livepatching
  feature, from Petr Mladek"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch: Handle allocation failure in the sample of shadow variable API
  livepatch/samples/selftest: Use klp_shadow_alloc() API correctly
  livepatch/selftest: Clean up shadow variable names and type
  livepatch/sample: Use the right type for the leaking data pointer
2020-01-27 10:54:24 -08:00
Linus Torvalds
12fb2b993e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
 "This time it's surprisingly quiet (probably due to the christmas
  break):

   - Logitech HID++ protocol improvements from Mazin Rezk, Pedro
     Vanzella and Adrian Freund

   - support for hidraw uniq ioctl from Marcel Holtmann"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: logitech-hidpp: avoid duplicate error handling code in 'hidpp_probe()'
  hid-logitech-hidpp: read battery voltage from newer devices
  HID: logitech: Add MX Master 3 Mouse
  HID: logitech-hidpp: Support WirelessDeviceStatus connect events
  HID: logitech-hidpp: Support translations from short to long reports
  HID: hidraw: add support uniq ioctl
2020-01-27 10:48:30 -08:00
Linus Torvalds
08c49dc135 platform-drivers-x86 for v5.6-1
* Enable thermal policy for ASUS TUF FX705DY/FX505DY
 * Support left round button on ASUS N56VB
 * Support new Mellanox platforms of basic class VMOD0009 and VMOD0010
 * Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC driver
 * Big clean up to Intel PMC core, PMC IPC and SCU IPC drivers
 * Touchscreen support for the PiPO W11 tablet
 
 The following is an automated git shortlog grouped by driver:
 
 asus-nb-wmi:
  -  Support left round button on N56VB
 
 asus-wmi:
  -  Fix keyboard brightness cannot be set to 0
  -  Set throttle thermal policy to default
  -  Support throttle thermal policy
 
 Documentation/ABI:
  -  Add new attribute for mlxreg-io sysfs interfaces
  -  Style changes
  -  Add missed attribute for mlxreg-io sysfs interfaces
  -  Fix documentation inconsistency for mlxreg-io sysfs interfaces
 
 GPD pocket fan:
  -  Allow somewhat lower/higher temperature limits
  -  Use default values when wrong modparams are given
 
 intel_atomisp2_pm:
  -  Spelling fixes
  -  Refactor timeout loop
 
 intel_mid_powerbtn:
  -  Take a copy of ddata
 
 intel_pmc_core:
  -  update Comet Lake platform driver
  -  Fix spelling of MHz unit
  -  Fix indentation in function definitions
  -  Put more stuff under #ifdef DEBUG_FS
  -  Respect error code of kstrtou32_from_user()
  -  Add Intel Elkhart Lake support
  -  Add Intel Tiger Lake support
  -  Make debugfs entry for pch_ip_power_gating_status conditional
  -  Create platform dependent bitmap structs
  -  Remove unnecessary assignments
  -  Clean up: Remove comma after the termination line
 
 intel_pmc_ipc:
  -  Switch to use driver->dev_groups
  -  Propagate error from kstrtoul()
  -  Use octal permissions in sysfs attributes
  -  Get rid of unnecessary includes
  -  Drop ipc_data_readb()
  -  Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
  -  Make intel_pmc_ipc_raw_cmd() static
  -  Make intel_pmc_ipc_simple_command() static
  -  Make intel_pmc_gcr_update() static
 
 intel_scu_ipc:
  -  Reformat kernel-doc comments of exported functions
  -  Drop intel_scu_ipc_raw_command()
  -  Drop intel_scu_ipc_io[read|write][8|16]()
  -  Drop unused macros
  -  Drop unused prototype intel_scu_ipc_fw_update()
  -  Sleeping is fine when polling
  -  Drop intel_scu_ipc_i2c_cntrl()
  -  Remove Lincroft support
  -  Add constants for register offsets
  -  Fix interrupt support
 
 intel_scu_ipcutil:
  -  Remove default y from Kconfig
 
 intel_telemetry_debugfs:
  -  Respect error code of kstrtou32_from_user()
 
 intel_telemetry_pltdrv:
  -  use devm_platform_ioremap_resource()
 
 mlx-platform:
  -  Add support for next generation systems
  -  Add support for new capability register
  -  Add support for new system type
  -  Set system mux configuration based on system type
  -  Add more definitions for system attributes
  -  Cosmetic changes
 
 platform/mellanox:
  -  mlxreg-hotplug: Add support for new capability register
  -  fix potential deadlock in the tmfifo driver
 
 tools/power/x86/intel-speed-select:
  -  Update version
  -  Change the order for clos disable
  -  Fix result display for turbo-freq auto mode
  -  Add support for core-power discovery
  -  Allow additional core-power mailbox commands
  -  Update MAINTAINERS for the intel uncore frequency control
  -  Add support for Uncore frequency control
 
 touchscreen_dmi:
  -  Fix indentation in several places
  -  Add info for the PiPO W11 tablet
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Merge tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Andy Shevchenko:

 - Enable thermal policy for ASUS TUF FX705DY/FX505DY

 - Support left round button on ASUS N56VB

 - Support new Mellanox platforms of basic class VMOD0009 and VMOD0010

 - Intel Comet Lake, Tiger Lake and Elkhart Lake support in the PMC
   driver

 - Big clean-up to Intel PMC core, PMC IPC and SCU IPC drivers

 - Touchscreen support for the PiPO W11 tablet

* tag 'platform-drivers-x86-v5.6-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
  platform/x86: intel_pmc_ipc: Switch to use driver->dev_groups
  platform/x86: intel_pmc_ipc: Propagate error from kstrtoul()
  platform/x86: intel_pmc_ipc: Use octal permissions in sysfs attributes
  platform/x86: intel_pmc_ipc: Get rid of unnecessary includes
  platform/x86: intel_pmc_ipc: Drop ipc_data_readb()
  platform/x86: intel_pmc_ipc: Drop intel_pmc_gcr_read() and intel_pmc_gcr_write()
  platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_raw_cmd() static
  platform/x86: intel_pmc_ipc: Make intel_pmc_ipc_simple_command() static
  platform/x86: intel_pmc_ipc: Make intel_pmc_gcr_update() static
  platform/x86: intel_scu_ipc: Reformat kernel-doc comments of exported functions
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_raw_command()
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_io[read|write][8|16]()
  platform/x86: intel_scu_ipc: Drop unused macros
  platform/x86: intel_scu_ipc: Drop unused prototype intel_scu_ipc_fw_update()
  platform/x86: intel_scu_ipc: Sleeping is fine when polling
  platform/x86: intel_scu_ipc: Drop intel_scu_ipc_i2c_cntrl()
  platform/x86: intel_scu_ipc: Remove Lincroft support
  platform/x86: intel_scu_ipc: Add constants for register offsets
  platform/x86: intel_scu_ipc: Fix interrupt support
  platform/x86: intel_scu_ipcutil: Remove default y from Kconfig
  ...
2020-01-27 10:42:35 -08:00