Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RCU updates from Ingo Molnar:
 - add RCU torture scripts/tooling
 - static analysis improvements
 - update RCU documentation
 - miscellaneous fixes

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
  rcu: Remove "extern" from function declarations in kernel/rcu/rcu.h
  rcu: Remove "extern" from function declarations in include/linux/*rcu*.h
  rcu/torture: Dynamically allocate SRCU output buffer to avoid overflow
  rcu: Don't activate RCU core on NO_HZ_FULL CPUs
  rcu: Warn on allegedly impossible rcu_read_unlock_special() from irq
  rcu: Add an RCU_INITIALIZER for global RCU-protected pointers
  rcu: Make rcu_assign_pointer's assignment volatile and type-safe
  bonding: Use RCU_INIT_POINTER() for better overhead and for sparse
  rcu: Add comment on evaluate-once properties of rcu_assign_pointer().
  rcu: Provide better diagnostics for blocking in RCU callback functions
  rcu: Improve SRCU's grace-period comments
  rcu: Fix CONFIG_RCU_FANOUT_EXACT for odd fanout/leaf values
  rcu: Fix coccinelle warnings
  rcutorture: Stop tracking FSF's postal address
  rcutorture: Move checkarg to functions.sh
  rcutorture: Flag errors and warnings with color coding
  rcutorture: Record results from repeated runs of the same test scenario
  rcutorture: Test summary at end of run with less chattiness
  rcutorture: Update comment in kvm.sh listing typical RCU trace events
  rcutorture: Add tracing-enabled version of TREE08
  ...
This commit is contained in:
Linus Torvalds
2014-01-20 10:25:12 -08:00
127 changed files with 3768 additions and 198 deletions

View File

@@ -2627,7 +2627,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
for RCU-preempt, and "s" for RCU-sched, and "N"
is the CPU number. This reduces OS jitter on the
offloaded CPUs, which can be useful for HPC and
real-time workloads. It can also improve energy
efficiency for asymmetric multiprocessors.
@@ -2643,8 +2642,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
periodically wake up to do the polling.
rcutree.blimit= [KNL]
Set maximum number of finished RCU callbacks to process
in one batch.
Set maximum number of finished RCU callbacks to
process in one batch.
rcutree.rcu_fanout_leaf= [KNL]
Increase the number of CPUs assigned to each
@@ -2663,8 +2662,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
value is one, and maximum value is HZ.
rcutree.qhimark= [KNL]
Set threshold of queued
RCU callbacks over which batch limiting is disabled.
Set threshold of queued RCU callbacks beyond which
batch limiting is disabled.
rcutree.qlowmark= [KNL]
Set threshold of queued RCU callbacks below which