| 2018-07-25 |
Waiman Long | locking/pvqspinlock/x86: Use LOCK_PREFIX in __pv_queued_spin...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-06-20 |
Waiman Long | locking/rwsem: Fix up_read_non_owner() warning with DEBUG_RWSEMS
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-05-16 |
Waiman Long | locking/percpu-rwsem: Annotate rwsem ownership transfer...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-05-16 |
Waiman Long | locking/rwsem: Add a new RWSEM_ANONYMOUSLY_OWNED flag
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-04-27 |
Waiman Long | locking/qspinlock: Add stat tracking for pending vs. slowpath
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-04-11 |
Waiman Long | kernel/sysctl.c: add kdoc comments to do_proc_do{u...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-04-11 |
Waiman Long | fs/proc/proc_sysctl.c: fix typo in sysctl_check_table_array()
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-03-31 |
Waiman Long | locking/Kconfig: Restructure the lock debugging menu
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-03-31 |
Waiman Long | locking/Kconfig: Add LOCK_DEBUGGING_SUPPORT to make...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-03-31 |
Waiman Long | locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-03-23 |
Waiman Long | x86/efi: Free efi_pgd with free_pages()
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2018-01-24 |
Waiman Long | x86/retpoline: Remove the esp/rsp thunk
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-11-08 |
Waiman Long | locking/pvqspinlock: Implement hybrid PV queued/unfair locks
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-09-25 |
Waiman Long | blktrace: Fix potential deadlock between delete & sysfs ops
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-09-22 |
Waiman Long | cgroup: Reinit cgroup_taskset structure before cgroup_migrat...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-29 |
Waiman Long | locking/pvqspinlock: Relax cmpxchg's to improve performance...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-28 |
Waiman Long | kernfs: Clarify lockdep name for kn->count
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-24 |
Waiman Long | cpuset: Fix incorrect memory_pressure control file mapping
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-18 |
Waiman Long | cpuset: Allow v2 behavior in v1 cgroup
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-18 |
Waiman Long | cgroup: Add mount flag to enable cpuset to use v2 behavior...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-08-14 |
Waiman Long | debugobjects: Make kmemleak ignore debug objects
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-07-21 |
Waiman Long | cgroup: update debug controller to print out thread...
Patch-originally-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-06-14 |
Waiman Long | cgroup: Make debug cgroup support v2 and thread mode
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-06-14 |
Waiman Long | cgroup: Make Kconfig prompt of debug cgroup more accurate
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-06-14 |
Waiman Long | cgroup: Move debug cgroup to its own file
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-06-14 |
Waiman Long | cgroup: Keep accurate count of tasks in each css_set
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-05-17 |
Waiman Long | cgroup: Prevent kill_css() from being called more than once
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-21 |
Waiman Long | x86/kvm: Provide optimized version of vcpu_is_preempted...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-21 |
Waiman Long | x86/paravirt: Change vcp_is_preempted() arg type to long
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-10 |
Waiman Long | debugobjects: Improve variable naming
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-10 |
Waiman Long | locking/spinlock/debug: Remove spinlock lockup detection code
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-05 |
Waiman Long | debugobjects: Reduce contention on the global pool_lock
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-04 |
Waiman Long | debugobjects: Scale thresholds with # of CPUs
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-04 |
Waiman Long | debugobjects: Track number of kmem_cache_alloc/kmem_cache_fr...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-02-04 |
Waiman Long | tick/broadcast: Reduce lock cacheline contention
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-01-22 |
Waiman Long | locking/rwsem: Reinit wake_q after use
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-01-20 |
Waiman Long | locking/rwsem: Remove unnecessary atomic_long_t casts
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-01-14 |
Waiman Long | locking/spinlocks/x86, paravirt: Remove paravirt_ticketlocks...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2017-01-12 |
Waiman Long | locking/spinlocks: Remove the unused spin_lock_bh_nested() API
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2016-12-15 |
Waiman Long | signals: avoid unnecessary taking of sighand->siglock
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-11-29 |
Waiman Long | console: Move userspace I/O out of console_lock to...
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2016-11-21 |
Waiman Long | sched/wake_q: Rename WAKE_Q to DEFINE_WAKE_Q
Signed-off-by: Waiman Long <longman@redhat.com>
|
commit | commitdiff | tree |
| 2016-10-25 |
Waiman Long | locking/mutex: Enable optimistic spinning of woken waiter
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-10-25 |
Waiman Long | locking/mutex: Simplify some ww_mutex code in __mutex_lock_c...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-09-09 |
Waiman Long | x86/hpet: Reduce HPET counter read contention
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-08-10 |
Waiman Long | locking/pvstat: Separate wait_again and spurious wakeup stats
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-06-08 |
Waiman Long | locking/rwsem: Streamline the rwsem_optimistic_spin() code
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-06-08 |
Waiman Long | locking/rwsem: Improve reader wakeup code
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-06-08 |
Waiman Long | locking/rwsem: Protect all writes to owner by WRITE_ONCE()
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-06-08 |
Waiman Long | locking/rwsem: Add reader-owned state to the owner field
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-02-29 |
Waiman Long | locking/pvqspinlock: Enable slowpath locking count tracking
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-02-29 |
Waiman Long | locking/qspinlock: Use smp_cond_acquire() in pending code
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2016-02-29 |
Waiman Long | locking/pvqspinlock: Move lock stealing count tracking...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | locking/pvqspinlock: Queue node adaptive spinning
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | locking/pvqspinlock: Allow limited lock stealing
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | locking/pvqspinlock: Collect slowpath lock statistics
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | sched/fair: Disable the task group load_avg update...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | sched/fair: Move the cache-hot 'load_avg' variable...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-12-04 |
Waiman Long | sched/fair: Avoid redundant idle_cpu() call in update_sg_lb_...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-11-23 |
Waiman Long | locking/pvqspinlock, x86: Optimize the PV unlock code path
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-11-23 |
Waiman Long | locking/qspinlock: Avoid redundant read of next pointer
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-11-23 |
Waiman Long | locking/qspinlock: Prefetch the next node cacheline
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-11-23 |
Waiman Long | locking/qspinlock: Use _acquire/_release() versions...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-09-18 |
Waiman Long | locking/pvqspinlock: Kick the PV CPU unconditionally...
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
|
commit | commitdiff | tree |
| 2015-09-10 |
Waiman Long | proc: change proc_subdir_lock to a rwlock
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-08-03 |
Waiman Long | locking/pvqspinlock: Only kick CPU at unlock time
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-08-03 |
Waiman Long | locking/qrwlock: Reduce reader/writer to reader lock...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-07-21 |
Waiman Long | locking/pvqspinlock: Fix kernel panic in locking-selftest
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-07-13 |
Waiman Long | selinux: reduce locking overhead in inode_free_security()
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-07-06 |
Waiman Long | locking/qrwlock: Better optimization for interrupt...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-07-06 |
Waiman Long | locking/qrwlock: Rename functions to queued_*()
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-06-19 |
Waiman Long | locking/qrwlock: Don't contend with readers when setting...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-12 |
Waiman Long | locking/qrwlock: Rename QUEUE_RWLOCK to QUEUED_RWLOCKS
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-11 |
Waiman Long | locking/pvqspinlock: Replace xchg() by the more descriptive...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/pvqspinlock, x86: Enable PV qspinlock for KVM
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/pvqspinlock: Implement simple paravirt support...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/qspinlock: Use a simple write to grab the lock
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/qspinlock: Extract out code snippets for the next patch
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/qspinlock, x86: Enable x86-64 to use queued spinlocks
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/qspinlock: Introduce a simple generic 4-byte...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2015-05-08 |
Waiman Long | locking/rwsem: Reduce spinlock contention in wakeup...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-10-01 |
Waiman Long | perf symbols: Improve DSO long names lookup speed with rbtree
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-09-30 |
Waiman Long | perf symbols: Encapsulate dsos list head into struct dsos
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-09-10 |
Waiman Long | locking/rwlock, x86: Delete unused asm/rwlock.h and rwlock.S
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-09-10 |
Waiman Long | locking/rwlock, x86: Clean up asm/spinlock*.h to remove...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
Cc: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-08-13 |
Waiman Long | locking/selftest: Support queued rwlock
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-08-13 |
Waiman Long | locking/lockdep: Restrict the use of recursive read_lock...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-08-07 |
Waiman Long | mm, thp: replace smp_mb after atomic_add by smp_mb__after_atomic
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-08-07 |
Waiman Long | mm, thp: move invariant bug check out of loop in __split_hug...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-06-23 |
Waiman Long | selinux: no recursive read_lock of policy_rwlock in...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-06-06 |
Waiman Long | x86, locking/rwlocks: Enable qrwlocks on x86
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-06-06 |
Waiman Long | locking/rwlocks: Introduce 'qrwlocks' - fair, queued rwlocks
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2014-01-28 |
Waiman Long | locking/mutexes/mcs: Correct barrier usage
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-10-21 |
Waiman Long | perf top: Add --max-stack option to limit callchain stack scan
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-10-21 |
Waiman Long | perf report: Add --max-stack option to limit callchain...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-09-12 |
Waiman Long | dcache: get/release read lock in read_seqbegin_or_lock...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-09-12 |
Waiman Long | seqlock: Add a new locking reader type
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-09-09 |
Waiman Long | dcache: Translating dentry into pathname without taking...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-09-02 |
Waiman Long | vfs: use lockref_get_not_zero() for optimistic lockless...
Waiman Long: "dcache: Enable lockless update...
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
commit | commitdiff | tree |
| 2013-08-29 |
Waiman Long | vfs: make the dentry cache use the lockref infrastructure
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
|
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