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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-20 11:21:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-20 11:21:17 -0800
commitf7458a5d631df2ecdbfe4a606053aba19913cc41 (patch)
tree26df2860fe3a750ed3b0359178d2b4c4fe8798d2 /init/Kconfig
parent575260e3f8f8ac72dc0c41a4a20190d1a5f2b887 (diff)
parenta8709fa4a06d4af5f86e3660839531cbe0f2a19b (diff)
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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 are: - Dynticks updates, consolidating open-coded counter accesses into a well-defined API - SRCU updates: Simplify algorithm, add formal verification - Documentation updates - Miscellaneous fixes - Torture-test updates Most of the diffstat comes from the relatively large documentation update" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits) srcu: Reduce probability of SRCU ->unlock_count[] counter overflow rcutorture: Add CBMC-based formal verification for SRCU srcu: Force full grace-period ordering srcu: Implement more-efficient reader counts rcu: Adjust FQS offline checks for exact online-CPU detection rcu: Check cond_resched_rcu_qs() state less often to reduce GP overhead rcu: Abstract extended quiescent state determination rcu: Abstract dynticks extended quiescent state enter/exit operations rcu: Add lockdep checks to synchronous expedited primitives rcu: Eliminate unused expedited_normal counter llist: Clarify comments about when locking is needed rcu: Fix comment in rcu_organize_nocb_kthreads() rcu: Enable RCU tracepoints by default to aid in debugging rcu: Make rcu_cpu_starting() use its "cpu" argument rcu: Add comment headers to expedited-grace-period counter functions rcu: Don't wake rcuc/X kthreads on NOCB CPUs rcu: Re-enable TASKS_RCU for User Mode Linux rcu: Once again use NMI-based stack traces in stall warnings rcu: Remove short-term CPU kicking rcu: Add long-term CPU kicking ...
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig14
1 files changed, 0 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 4dd8bd2..2655abb 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -529,7 +529,6 @@ config SRCU
config TASKS_RCU
bool
default n
- depends on !UML
select SRCU
help
This option enables a task-based RCU implementation that uses
@@ -781,19 +780,6 @@ config RCU_NOCB_CPU_ALL
endchoice
-config RCU_EXPEDITE_BOOT
- bool
- default n
- help
- This option enables expedited grace periods at boot time,
- as if rcu_expedite_gp() had been invoked early in boot.
- The corresponding rcu_unexpedite_gp() is invoked from
- rcu_end_inkernel_boot(), which is intended to be invoked
- at the end of the kernel-only boot sequence, just before
- init is exec'ed.
-
- Accept the default if unsure.
-
endmenu # "RCU Subsystem"
config BUILD_BIN2C
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