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Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

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Pull RCU updates from Paul E. McKenney:

 * Documentation updates, including fixes to the design-level
   requirements documentation and a fixed version of the design-level
   data-structure documentation.  These fixes include removing
   cartoons and getting rid of the html/htmlx duplication.

 * Further improvements to the new-age expedited grace periods.

 * Miscellaneous fixes.

 * Torture-test changes, including a new rcuperf module for measuring
   RCU grace-period performance and scalability, which is useful for
   the expedited-grace-period changes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2016-04-27 16:57:36 +02:00
commit 41ed943d85
47 changed files with 10417 additions and 3693 deletions
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33
lib/Kconfig.debug
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@ -1289,6 +1289,39 @@ config TORTURE_TEST
tristate
default n
config RCU_PERF_TEST
tristate "performance tests for RCU"
depends on DEBUG_KERNEL
select TORTURE_TEST
select SRCU
select TASKS_RCU
default n
help
This option provides a kernel module that runs performance
tests on the RCU infrastructure. The kernel module may be built
after the fact on the running kernel to be tested, if desired.
Say Y here if you want RCU performance tests to be built into
the kernel.
Say M if you want the RCU performance tests to build as a module.
Say N if you are unsure.
config RCU_PERF_TEST_RUNNABLE
bool "performance tests for RCU runnable by default"
depends on RCU_PERF_TEST = y
default n
help
This option provides a way to build the RCU performance tests
directly into the kernel without them starting up at boot time.
You can use /sys/module to manually override this setting.
This /proc file is available only when the RCU performance
tests have been built into the kernel.
Say Y here if you want the RCU performance tests to start during
boot (you probably don't).
Say N here if you want the RCU performance tests to start only
after being manually enabled via /sys/module.
config RCU_TORTURE_TEST
tristate "torture tests for RCU"
depends on DEBUG_KERNEL