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nohz: Warn if the machine can not perform nohz_full
2013-06-19 Steven Rostedtnohz: Warn if the machine can not perform nohz_full
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-05-04 Frederic Weisbeckersched: Keep at least 1 tick per second for active dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-05-04 Frederic Weisbeckerrcu: Fix full dynticks' dependency on wide RCU nocb...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-05-02 Frederic WeisbeckerMerge commit '8700c95adb03' into timers/nohz
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-26 Kevin Hilmancputime_nsecs: use math64.h for nsec resolution conversion...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-26 Frederic Weisbeckernohz: Select VIRT_CPU_ACCOUNTING_GEN from full dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-24 Frederic Weisbeckernohz: Remove full dynticks' superfluous dependency...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-24 Frederic Weisbeckernohz: Fix unavailable tick_stop tracepoint in dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Add basic tracing
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Select wide RCU nocb for full dynticks
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Disable the tick when irq resume in full dynticks CPU
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Re-evaluate the tick for the new task after a...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Prepare to stop the tick on irq exit
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Implement full dynticks kick
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckernohz: Re-evaluate the tick from the scheduler IPI
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckersched: New helper to prevent from stopping the tick...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckersched: Kick full dynticks CPU that have more than one...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckerperf: New helper to prevent full dynticks CPUs from...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckerperf: Kick full dynticks CPU if events rotation is...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-22 Frederic Weisbeckerposix_timers: Fix pre-condition to stop the tick on...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-19 Frederic Weisbeckerposix_timers: New API to prevent from stopping the...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-19 Frederic Weisbeckerposix_timers: Kick full dynticks CPUs when a posix...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-19 Frederic Weisbeckernohz: New option to default all CPUs in full dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-19 Frederic Weisbeckernohz: Ensure full dynticks CPUs are RCU nocbs
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-19 Frederic Weisbeckernohz: Force boot CPU outside full dynticks range
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-18 Frederic Weisbeckernohz: New APIs to re-evaluate the tick on full dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-15 Paul E. McKenneyrcu: Kick adaptive-ticks CPUs that are holding up RCU...
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-15 Frederic Weisbeckernohz: Improve a bit the full dynticks Kconfig documentation
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-15 Frederic Weisbeckernohz: Align periodic tick Kconfig with other choices...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-15 Frederic Weisbeckernohz: Switch from "extended nohz" to "full nohz" based...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-15 Frederic Weisbeckernohz: Fix old dynticks idle Kconfig backward compatibility
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-03 Frederic Weisbeckernohz: Print final full dynticks CPUs range on boot
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-03 Frederic Weisbeckernohz: Pack nohz Kconfig option in a menu of choices
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-03 Frederic Weisbeckernohz: Rename CONFIG_NO_HZ to CONFIG_NO_HZ_COMMON
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-04-02 Frederic Weisbeckernohz: Unhide full dynticks feature from its dependencies
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-21 Frederic Weisbeckernohz: Wake up full dynticks CPUs when a timer gets...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-21 Frederic Weisbeckernohz: Assign timekeeping duty to a CPU outside the...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-21 Frederic Weisbeckernohz: Basic full dynticks interface
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-13 Frederic Weisbeckersched: Lower chances of cputime scaling overflow
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-13 Frederic Weisbeckermath64: New div64_u64_rem helper
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-07 Frederic Weisbeckercontext_tracking: Enable probes by default for selftesting
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-07 Frederic Weisbeckercputime: Dynamically scale cputime for full dynticks...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-07 Frederic Weisbeckercontext_tracking: Restore preempted context state after...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-07 Frederic Weisbeckercontext_tracking: Restore correct previous context...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-03-07 Frederic Weisbeckercontext_tracking: Move exception handling to generic...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-02-28 Frederic Weisbeckerirq: Don't re-enable interrupts at the end of irq_exit
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-02-21 Frederic Weisbeckerirq: Remove IRQ_EXIT_OFFSET workaround
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-02-04 Frederic WeisbeckerMerge branch 'nohz/printk-v8' into irq/core
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Safely read cputime of full dynticks CPUs
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckerkvm: Prepare to add generic guest entry/exit callbacks
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Use accessors to read task cputime stats
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Allow dynamic switch between tick/virtual...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Generic on-demand virtual cputime accounting
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Move default nsecs_to_cputime() to jiffies...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-27 Frederic Weisbeckercputime: Librarize per nsecs resolution cputime definitions
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2013-01-26 Frederic Weisbeckercontext_tracking: Export context state for generic...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-28 Frederic Weisbeckercputime: Comment cputime's adjusting code
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-28 Frederic Weisbeckercputime: Consolidate cputime adjustment code
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-28 Frederic Weisbeckercputime: Rename thread_group_times to thread_group_cputime_a...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-28 Frederic Weisbeckercputime: Move thread_group_cputime() to sched code
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-20 Frederic Weisbeckervtime: Warn if irqs aren't disabled on system time...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-19 Frederic Weisbeckervtime: No need to disable irqs on vtime_account()
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-19 Frederic Weisbeckervtime: Consolidate a bit the ctx switch code
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-19 Frederic Weisbeckervtime: Explicitly account pending user time on process...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-19 Frederic Weisbeckervtime: Remove the underscore prefix invasion
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-18 Frederic Weisbeckerprintk: Wake up klogd using irq_work
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-18 Frederic Weisbeckerirq_work: Make self-IPIs optable
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-17 Steven Rostedtirq_work: Warn if there's still work on cpu_down
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-17 Steven Rostedtirq_work: Flush work on CPU_DYING
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-17 Frederic Weisbeckerirq_work: Don't stop the tick with pending works
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-17 Frederic Weisbeckernohz: Add API to check tick state
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-17 Frederic Weisbeckerirq_work: Remove CONFIG_HAVE_IRQ_WORK
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-14 Frederic Weisbeckerirq_work: Fix racy check on work pending flag
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-11-14 Frederic Weisbeckerirq_work: Fix racy IRQ_WORK_BUSY flag setting
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-29 Frederic Weisbeckercputime: Separate irqtime accounting from generic vtime
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-29 Frederic Weisbeckercputime: Specialize irq vtime hooks
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-29 Frederic Weisbeckerkvm: Directly account vtime to system on guest switch
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-29 Frederic Weisbeckervtime: Make vtime_account_system() irqsafe
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-29 Frederic Weisbeckervtime: Gather vtime declarations to their own header...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-15 Frederic Weisbeckertick: Conditionally build nohz specific code in tick...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-15 Frederic Weisbeckertick: Consolidate tick handling for high and low res...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-10-15 Frederic Weisbeckertick: Consolidate timekeeping handling code
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Paul E. McKenneyrcu: Apply micro-optimization and int/bool fixes to...
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2012-09-26 Frederic Weisbeckerrcu: Userspace RCU extended QS selftest
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerx86: Exit RCU extended QS on notify resume
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerx86: Use the new schedule_user API on userspace preemption
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Exit RCU extended QS on user preemption
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Exit RCU extended QS on kernel preemption after...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerx86: Exception hooks for userspace RCU extended QS
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerx86: Unspaghettize do_general_protection()
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerx86: Syscall hooks for userspace RCU extended QS
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Switch task's syscall hooks on context switch
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Ignore userspace extended quiescent state by default
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Allow rcu_user_enter()/exit() to nest
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: Settle config for userspace extended quiescent...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Paul E. McKenneyrcu: Make RCU_FAST_NO_HZ handle adaptive ticks
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2012-09-26 Frederic Weisbeckerrcu: New rcu_user_enter_after_irq() and rcu_user_exit_after_...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-26 Frederic Weisbeckerrcu: New rcu_user_enter() and rcu_user_exit() APIs
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-25 Frederic Weisbeckercputime: Make finegrained irqtime accounting generally...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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2012-09-25 Frederic Weisbeckercputime: Gather time/stats accounting config options...
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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