diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/init/Kconfig b/init/Kconfig index ccb9f8f87f4..7000d965740 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -20,12 +20,8 @@ config CONSTRUCTORS bool depends on !UML -config HAVE_IRQ_WORK - bool - config IRQ_WORK bool - depends on HAVE_IRQ_WORK config BUILDTIME_EXTABLE_SORT bool @@ -474,7 +470,7 @@ config TREE_RCU config TREE_PREEMPT_RCU bool "Preemptible tree-based hierarchical RCU" - depends on PREEMPT && SMP + depends on PREEMPT help This option selects the RCU implementation that is designed for very large SMP systems with hundreds or @@ -482,6 +478,8 @@ config TREE_PREEMPT_RCU is also required. It also scales down nicely to smaller systems. + Select this option if you are unsure. + config TINY_RCU bool "UP-only small-memory-footprint RCU" depends on !PREEMPT && !SMP @@ -507,6 +505,14 @@ config PREEMPT_RCU This option enables preemptible-RCU code that is common between the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations. +config RCU_STALL_COMMON + def_bool ( TREE_RCU || TREE_PREEMPT_RCU || RCU_TRACE ) + help + This option enables RCU CPU stall code that is common between + the TINY and TREE variants of RCU. The purpose is to allow + the tiny variants to disable RCU CPU stall warnings, while + making these warnings mandatory for the tree variants. + config CONTEXT_TRACKING bool @@ -1284,6 +1290,7 @@ config HOTPLUG config PRINTK default y bool "Enable support for printk" if EXPERT + select IRQ_WORK help This option enables normal printk support. Removing it eliminates most of the message strings from the kernel image |