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locking/rwsem: Prevent decrement of reader count before increment
2019-05-07 Waiman Longlocking/rwsem: Prevent decrement of reader count before...
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190428212557.13482-2-longman@redhat.com
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2019-04-14 Waiman Longlocking/rwsem: Prevent unneeded warning during locking selftest
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190413172259.2740-2-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Optimize rwsem structure for uncontended...
Signed-off-by: Waiman Long <longman@redhat.com>
...org/r/20190404174320.22416-12-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Enable lock event counting
Signed-off-by: Waiman Long <longman@redhat.com>
...org/r/20190404174320.22416-11-longman@redhat.com
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2019-04-10 Waiman Longlocking/lock_events: Don't show pvqspinlock events on bare metal
Signed-off-by: Waiman Long <longman@redhat.com>
...org/r/20190404174320.22416-10-longman@redhat.com
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2019-04-10 Waiman Longlocking/lock_events: Make lock_events available for...
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-9-longman@redhat.com
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2019-04-10 Waiman Longlocking/qspinlock_stat: Introduce generic lockevent_...
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-8-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Enhance DEBUG_RWSEMS_WARN_ON() macro
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-7-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Add debug check for __down_read*()
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-6-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Micro-optimize rwsem_try_read_lock_unqueued()
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-5-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Move rwsem internal function declarations...
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-4-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Move owner setting code from rwsem.c to rwsem.h
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-3-longman@redhat.com
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2019-04-10 Waiman Longlocking/rwsem: Relocate rwsem_down_read_failed()
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190404174320.22416-2-longman@redhat.com
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2019-04-06 Waiman Longpsi: clarify the units used in pressure files
 ...kernel.org/r/20190402193810.3450-1-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2019-04-03 Waiman Longlocking/rwsem: Optimize down_read_trylock()
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190322143008.21313-4-longman@redhat.com
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2019-04-03 Waiman Longlocking/rwsem: Remove rwsem-spinlock.c & use rwsem...
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190322143008.21313-3-longman@redhat.com
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2019-04-03 Waiman Longlocking/rwsem: Remove arch specific rwsem files
Signed-off-by: Waiman Long <longman@redhat.com>
...kernel.org/r/20190322143008.21313-2-longman@redhat.com
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2019-02-28 Waiman Longlocking/qspinlock: Remove unnecessary BUG_ON() call
Signed-off-by: Waiman Long <longman@redhat.com>
...1551057253-3231-1-git-send-email-longman@redhat.com
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2019-02-13 Waiman Longgenirq: Add missing documentation for tot_count
Signed-off-by: Waiman Long <longman@redhat.com>
...1549983253-19107-1-git-send-email-longman@redhat.com
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2019-02-11 Waiman LongDocumentation: Fix grammatical error in sysctl/fs.txt...
Signed-off-by: Waiman Long <longman@redhat.com>
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2019-02-04 Waiman Longlocking/qspinlock_stat: Track the no MCS node available case
Signed-off-by: Waiman Long <longman@redhat.com>
...1548798828-16156-3-git-send-email-longman@redhat.com
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2019-02-04 Waiman Longlocking/qspinlock: Handle > 4 slowpath nesting levels
Signed-off-by: Waiman Long <longman@redhat.com>
...1548798828-16156-2-git-send-email-longman@redhat.com
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2019-02-04 Waiman Longlocking/lockdep: Add debug_locks check in __lock_downgrade()
Signed-off-by: Waiman Long <longman@redhat.com>
...1547093005-26085-1-git-send-email-longman@redhat.com
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2019-01-30 Waiman Longfs/dcache: Track & report number of negative dentries
Signed-off-by: Waiman Long <longman@redhat.com>
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2019-01-30 Waiman Longfs: Don't need to put list_lru into its own cacheline
Signed-off-by: Waiman Long <longman@redhat.com>
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2019-01-30 Waiman Longfs/dcache: Fix incorrect nr_dentry_unused accounting...
Signed-off-by: Waiman Long <longman@redhat.com>
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2019-01-29 Waiman Longx86/speculation: Add PR_SPEC_DISABLE_NOEXEC
Signed-off-by: Waiman Long <longman@redhat.com>
...1547676096-3281-1-git-send-email-longman@redhat.com
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2019-01-21 Waiman Longlocking/lockdep: Add debug_locks check in __lock_downgrade()
Signed-off-by: Waiman Long <longman@redhat.com>
...1547093005-26085-1-git-send-email-longman@redhat.com
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2018-12-28 Waiman Longmm/page_alloc.c: don't call kasan_free_pages() at deferred...
...1544459388-8736-1-git-send-email-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-12-11 Waiman Longlocking/lockdep: Remove ::version from lock_class structure
Signed-off-by: Waiman Long <longman@redhat.com>
...1542653726-5655-2-git-send-email-longman@redhat.com
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2018-12-06 Waiman Longx86/speculation: Change misspelled STIPB to STIBP
Signed-off-by: Waiman Long <longman@redhat.com>
...1544039368-9009-1-git-send-email-longman@redhat.com
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2018-11-15 Waiman Longefi: Fix debugobjects warning on 'efi_rts_work'
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-12 Waiman Longx86/mm/fault: Allow stack access below %rsp
Signed-off-by: Waiman Long <longman@redhat.com>
...1541535149-31963-1-git-send-email-longman@redhat.com
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2018-11-08 Waiman Longcpuset: Expose cpuset.cpus.subpartitions with cgroup_debug
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Add documentation about the new "cpuset.sched...
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Use descriptive text when reading/writing cpuset...
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Expose cpus.effective and mems.effective on...
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Make generate_sched_domains() work with partition
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Make CPU hotplug work with partition
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Track cpusets that use parent's effective_cpus
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Add an error state to cpuset.sched.partition
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Add new v2 cpuset.sched.partition flag
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Simply allocation and freeing of cpumasks
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Define data structures to support scheduling partition
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-08 Waiman Longcpuset: Enable cpuset controller in default hierarchy
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-11-07 Waiman LongDocumentation/proc.txt: Add 2 missing fields for /proc...
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-10-31 Waiman Longipc: IPCMNI limit check for semmni
 ...1536352137-12003-3-git-send-email-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-10-31 Waiman Longipc: IPCMNI limit check for msgmni and shmmni
 ...1536352137-12003-2-git-send-email-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-10-19 Waiman Longlocking/lockdep: Make global debug_locks* variables read-mostly
Signed-off-by: Waiman Long <longman@redhat.com>
...1539913518-15598-2-git-send-email-longman@redhat.com
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2018-10-19 Waiman Longlocking/lockdep: Fix debug_locks off performance problem
Signed-off-by: Waiman Long <longman@redhat.com>
...1539913518-15598-1-git-send-email-longman@redhat.com
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2018-10-17 Waiman Longlocking/pvqspinlock: Extend node size when pvqspinlock...
Signed-off-by: Waiman Long <longman@redhat.com>
...1539697507-28084-2-git-send-email-longman@redhat.com
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2018-10-17 Waiman Longlocking/qspinlock_stat: Count instances of nested lock slowpaths
Signed-off-by: Waiman Long <longman@redhat.com>
...1539697507-28084-1-git-send-email-longman@redhat.com
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2018-10-16 Waiman Longlocking/lockdep: Remove duplicated 'lock_class_ops' percpu array
Signed-off-by: Waiman Long <longman@redhat.com>
...1539380547-16726-1-git-send-email-longman@redhat.com
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2018-10-09 Waiman Longlocking/lockdep: Make class->ops a percpu counter and...
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-10-03 Waiman Longlocking/lockdep: Add a faster path in __lock_release()
Signed-off-by: Waiman Long <longman@redhat.com>
...1538511560-10090-4-git-send-email-longman@redhat.com
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2018-10-03 Waiman Longlocking/lockdep: Eliminate redundant IRQs check in...
Signed-off-by: Waiman Long <longman@redhat.com>
...1538511560-10090-3-git-send-email-longman@redhat.com
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2018-10-03 Waiman Longlocking/lockdep: Remove add_chain_cache_classes()
Signed-off-by: Waiman Long <longman@redhat.com>
...1538511560-10090-2-git-send-email-longman@redhat.com
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2018-09-28 Waiman Longcrypto: qat - Fix KASAN stack-out-of-bounds bug in adf_probe()
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-09-18 Waiman Longdriver/dma/ioat: Call del_timer_sync() without holding prep_lock
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-09-10 Waiman Longlocking/rwsem: Make owner store task pointer of last...
Signed-off-by: Waiman Long <longman@redhat.com>
...1536265114-10842-1-git-send-email-longman@redhat.com
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2018-09-10 Waiman Longlocking/rwsem: Exit read lock slowpath if queue empty...
Signed-off-by: Waiman Long <longman@redhat.com>
...1532459425-19204-1-git-send-email-longman@redhat.com
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2018-08-06 Waiman Longx86/kvm: Don't use pvqspinlock code if only 1 vCPU
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-07-27 Waiman Longxen/spinlock: Don't use pvqspinlock if only 1 vCPU
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-07-26 Waiman Longcpufreq: Fix a circular lock dependency problem
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-07-26 Waiman Longcpu/hotplug: Add a cpus_read_trylock() function
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-07-25 Waiman Longlocking/pvqspinlock/x86: Use LOCK_PREFIX in __pv_queued_spin...
Signed-off-by: Waiman Long <longman@redhat.com>
...1531858560-21547-1-git-send-email-longman@redhat.com
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2018-06-20 Waiman Longlocking/rwsem: Fix up_read_non_owner() warning with DEBUG_RWSEMS
Signed-off-by: Waiman Long <longman@redhat.com>
...1527168398-4291-1-git-send-email-longman@redhat.com
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2018-05-16 Waiman Longlocking/percpu-rwsem: Annotate rwsem ownership transfer...
Signed-off-by: Waiman Long <longman@redhat.com>
...1526420991-21213-3-git-send-email-longman@redhat.com
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2018-05-16 Waiman Longlocking/rwsem: Add a new RWSEM_ANONYMOUSLY_OWNED flag
Signed-off-by: Waiman Long <longman@redhat.com>
...1526420991-21213-2-git-send-email-longman@redhat.com
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2018-04-27 Waiman Longlocking/qspinlock: Add stat tracking for pending vs. slowpath
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Waiman Long <longman@redhat.com>
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2018-04-11 Waiman Longkernel/sysctl.c: add kdoc comments to do_proc_do{u...
...1519926220-7453-3-git-send-email-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-04-11 Waiman Longfs/proc/proc_sysctl.c: fix typo in sysctl_check_table_array()
 ...1519926220-7453-2-git-send-email-longman@redhat.com
Signed-off-by: Waiman Long <longman@redhat.com>
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2018-03-31 Waiman Longlocking/Kconfig: Restructure the lock debugging menu
Signed-off-by: Waiman Long <longman@redhat.com>
...1522445280-7767-4-git-send-email-longman@redhat.com
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2018-03-31 Waiman Longlocking/Kconfig: Add LOCK_DEBUGGING_SUPPORT to make...
Signed-off-by: Waiman Long <longman@redhat.com>
...1522445280-7767-3-git-send-email-longman@redhat.com
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2018-03-31 Waiman Longlocking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock...
Signed-off-by: Waiman Long <longman@redhat.com>
...1522445280-7767-2-git-send-email-longman@redhat.com
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2018-03-23 Waiman Longx86/efi: Free efi_pgd with free_pages()
Signed-off-by: Waiman Long <longman@redhat.com>
...1521746333-19593-1-git-send-email-longman@redhat.com
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2018-01-24 Waiman Longx86/retpoline: Remove the esp/rsp thunk
Signed-off-by: Waiman Long <longman@redhat.com>
...1516658974-27852-1-git-send-email-longman@redhat.com
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2017-11-08 Waiman Longlocking/pvqspinlock: Implement hybrid PV queued/unfair locks
Signed-off-by: Waiman Long <longman@redhat.com>
...1510089486-3466-1-git-send-email-longman@redhat.com
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2017-09-25 Waiman Longblktrace: Fix potential deadlock between delete & sysfs ops
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-09-22 Waiman Longcgroup: Reinit cgroup_taskset structure before cgroup_migrat...
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-08-29 Waiman Longlocking/pvqspinlock: Relax cmpxchg's to improve performance...
Signed-off-by: Waiman Long <longman@redhat.com>
...1502741222-24360-1-git-send-email-longman@redhat.com
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2017-08-28 Waiman Longkernfs: Clarify lockdep name for kn->count
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-08-24 Waiman Longcpuset: Fix incorrect memory_pressure control file mapping
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-08-18 Waiman Longcpuset: Allow v2 behavior in v1 cgroup
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-08-18 Waiman Longcgroup: Add mount flag to enable cpuset to use v2 behavior...
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-08-14 Waiman Longdebugobjects: Make kmemleak ignore debug objects
Signed-off-by: Waiman Long <longman@redhat.com>
...1502718733-8527-1-git-send-email-longman@redhat.com
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2017-07-21 Waiman Longcgroup: update debug controller to print out thread...
Patch-originally-by: Waiman Long <longman@redhat.com>
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2017-06-14 Waiman Longcgroup: Make debug cgroup support v2 and thread mode
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-06-14 Waiman Longcgroup: Make Kconfig prompt of debug cgroup more accurate
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-06-14 Waiman Longcgroup: Move debug cgroup to its own file
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-06-14 Waiman Longcgroup: Keep accurate count of tasks in each css_set
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-05-17 Waiman Longcgroup: Prevent kill_css() from being called more than once
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-02-21 Waiman Longx86/kvm: Provide optimized version of vcpu_is_preempted...
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-02-21 Waiman Longx86/paravirt: Change vcp_is_preempted() arg type to long
Signed-off-by: Waiman Long <longman@redhat.com>
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2017-02-10 Waiman Longdebugobjects: Improve variable naming
Signed-off-by: Waiman Long <longman@redhat.com>
...1486503630-1501-1-git-send-email-longman@redhat.com
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2017-02-10 Waiman Longlocking/spinlock/debug: Remove spinlock lockup detection code
Signed-off-by: Waiman Long <longman@redhat.com>
...1486583208-11038-1-git-send-email-longman@redhat.com
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2017-02-05 Waiman Longdebugobjects: Reduce contention on the global pool_lock
Signed-off-by: Waiman Long <longman@redhat.com>
...1483647425-4135-4-git-send-email-longman@redhat.com
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2017-02-04 Waiman Longdebugobjects: Scale thresholds with # of CPUs
Signed-off-by: Waiman Long <longman@redhat.com>
...1483647425-4135-3-git-send-email-longman@redhat.com
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2017-02-04 Waiman Longdebugobjects: Track number of kmem_cache_alloc/kmem_cache_fr...
Signed-off-by: Waiman Long <longman@redhat.com>
...1483647425-4135-2-git-send-email-longman@redhat.com
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2017-02-04 Waiman Longtick/broadcast: Reduce lock cacheline contention
Signed-off-by: Waiman Long <longman@redhat.com>
...1485799063-20857-1-git-send-email-longman@redhat.com
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