Miscellaneous fixes for 4.9
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- v1 Latest5 patches 6 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/5 | rcu: Fix soft lockup for rcu_nocb_kthreadkernel/ | +1 | 3 replies | |
| 2/5 | rcu: Use rcu_gp_kthread_wake() to wake up grace period kthreads againkernel/ | +2 | 0 replies | |
| 3/5 | sched: Make wake_up_nohz_cpu() handle CPUs going offlinekernel/ | +7 | 3 replies | |
| 4/5 | rcu: don't use modular infrastructure in non-modular codekernel/ kernel/ | +1 | 0 replies | |
| 5/5 | rcu: Avoid redundant quiescent-state chasingkernel/ | +4 | 0 replies |
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Cover letter [PATCH tip/core/rcu 0/5] Miscellaneous fixes for 4.9
Hello!
This series contains miscellaneous fixes:
1. Fix a soft lockup in the RCU's callback-offload (rcuo) kthreads,
courtesy of Ding Tianhong.
2. Use rcu_gp_kthread_wake() to wake up grace period kthreads,
avoiding spurious/redundant wakeups, courtesy of Jisheng Zhang.
3. Make wake_up_nohz_cpu() handle CPUs going offline.
4. Don't use modular infrastructure in non-modular code, courtesy
of Paul Gortmaker.
5. Avoid redundant quiescent-state chasing by more carefully
initializing flags for newly onlined CPUs.
Thanx, Paul
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rcu/tree.c | 12 ++++++------ rcu/tree_plugin.h | 1 + rcu/update.c | 3 +-- sched/core.c | 7 +++++++ 4 files changed, 15 insertions(+), 8 deletions(-)