Parallelize expedited grace periods for v4.18
Get series with b4
b4 am [email protected]Versions newest first
- v1 Latest3 patches 0 repliesNew
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | rcu: Parallelize expedited grace-period initializationkernel/ kernel/ kernel/ +1 more | +120 | 0 replies | |
| 2/3 | rcu: exp: Fix "must hold exp_mutex" comments for QS reporting functionskernel/ | +3 | 0 replies | |
| 3/3 | rcu: exp: Protect all sync_rcu_preempt_exp_done() with rcu_node lockkernel/ | +25 | 0 replies |
Reviews trailers per patch
No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.
Cover letter [PATCH tip/core/rcu 0/3] Parallelize expedited grace periods for v4.18
Hello!
This series parallelizes grace-period initialization for expedited grace periods and adds a couple of fixes:
1. Parallelize expedited grace-period initialization in order to
reduce the growth of latency with increasing numbers of CPUs.
2. Updates comments on which locks are to be held to match the
code, courtesy of Boqun Feng.
3. Protect all calls to sync_rcu_preempt_exp_done() with the
corresponding rcu_node structure's ->lock held, courtesy of Boqun Feng. Thanx, Paul
------------------------------------------------------------------------
rcu.h | 1 tree.c | 3 tree.h | 10 ++ tree_exp.h | 222 ++++++++++++++++++++++++++++++++++++------------------------- 4 files changed, 148 insertions(+), 88 deletions(-)