diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig index d3ee66a6990f..1354ac09b516 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -470,7 +470,6 @@ choice config TREE_RCU bool "Tree-based hierarchical RCU" depends on !PREEMPT && SMP - select IRQ_WORK help This option selects the RCU implementation that is designed for very large SMP system with hundreds or @@ -480,7 +479,6 @@ config TREE_RCU config PREEMPT_RCU bool "Preemptible tree-based hierarchical RCU" depends on PREEMPT - select IRQ_WORK help This option selects the RCU implementation that is designed for very large SMP systems with hundreds or @@ -501,9 +499,17 @@ config TINY_RCU endchoice +config SRCU + bool + help + This option selects the sleepable version of RCU. This version + permits arbitrary sleeping or blocking within RCU read-side critical + sections. + config TASKS_RCU bool "Task_based RCU implementation using voluntary context switch" default n + select SRCU help This option enables a task-based RCU implementation that uses only voluntary context switch (not preemption!), idle, and @@ -1596,6 +1602,7 @@ config PERF_EVENTS depends on HAVE_PERF_EVENTS select ANON_INODES select IRQ_WORK + select SRCU help Enable kernel support for various performance events provided by software and hardware. |