Messages in this thread | | | Date | Tue, 15 Nov 2011 12:27:36 -0800 | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 0/9] Preview of additional RCU changes for 3.3 |
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Hello!
This patchset is in addition to the set previously posted (see https://lkml.org/lkml/2011/11/2/363). This new set permits the reworked RCU_FAST_NO_HZ code to be used from TREE_PREEMPT_RCU, allows rcutorture to shut down the system after a fixed time period (useful for KVM-based testing), adds an API to replace the "->pid == 0" discussed in response to the earlier patch set, and applies this API where applicable. The patches are as follows:
1. Update the RCU_FAST_NO_HZ config definition to allow it to be used in TREE_PREEMPT_RCU builds, since that is now legal. 2. Add a module parameter that permit rcutorture to shut down the system cleanly after the test has run for the specified time. 3. Add a module parameter to allow rcutorture start running as soon as it is initialized. 4. Add is_idle_task() API to replace open-coded tests of ->pid against zero. 5-9. Apply the new is_idle_task() API where it makes sense.
For a testing-only version of this patchset from git, please see the following subject-to-rebase branch:
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
Thanx, Paul
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b/Documentation/RCU/torture.txt | 5 +++ b/arch/sparc/kernel/setup_32.c | 2 - b/arch/tile/mm/fault.c | 4 +- b/include/linux/sched.h | 1 b/init/Kconfig | 10 +++--- b/kernel/debug/kdb/kdb_support.c | 2 - b/kernel/events/core.c | 2 - b/kernel/rcutiny.c | 4 +- b/kernel/rcutorture.c | 62 ++++++++++++++++++++++++++++++++++++--- b/kernel/rcutree.c | 4 +- b/kernel/sched.c | 9 +++++ kernel/rcutorture.c | 2 + 12 files changed, 89 insertions(+), 18 deletions(-)
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