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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-03-25 09:59:38 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-03-25 21:51:22 -0700 |
| commit | ee68712172a3f3affc98c83f6a7cba906c9f6594 (patch) | |
| tree | c97f5d8ff15df3ae4fe27ab6c287efcaeea2cc19 /init | |
| parent | 74d683c089dffa5a3ee1166915b8efbbe895de45 (diff) | |
srcu: Create a tiny SRCU
In response to automated complaints about modifications to SRCU
increasing its size, this commit creates a tiny SRCU that is
used in SMP=y && PREEMPT=n builds.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index c859c993c26f..a67d24f6cda7 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -526,6 +526,18 @@ config SRCU permits arbitrary sleeping or blocking within RCU read-side critical sections. +config TINY_SRCU + bool + default y if TINY_RCU + help + This option selects the single-CPU non-preemptible version of SRCU. + +config TREE_SRCU + bool + default y if !TINY_RCU + help + This option selects the full-fledged version of SRCU. + config TASKS_RCU bool default n |