diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/init/Kconfig b/init/Kconfig index 1ce05a4cb5f6..d10f31dfa0b2 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
| @@ -316,21 +316,13 @@ choice | |||
| 316 | prompt "RCU Implementation" | 316 | prompt "RCU Implementation" |
| 317 | default TREE_RCU | 317 | default TREE_RCU |
| 318 | 318 | ||
| 319 | config CLASSIC_RCU | ||
| 320 | bool "Classic RCU" | ||
| 321 | help | ||
| 322 | This option selects the classic RCU implementation that is | ||
| 323 | designed for best read-side performance on non-realtime | ||
| 324 | systems. | ||
| 325 | |||
| 326 | Select this option if you are unsure. | ||
| 327 | |||
| 328 | config TREE_RCU | 319 | config TREE_RCU |
| 329 | bool "Tree-based hierarchical RCU" | 320 | bool "Tree-based hierarchical RCU" |
| 330 | help | 321 | help |
| 331 | This option selects the RCU implementation that is | 322 | This option selects the RCU implementation that is |
| 332 | designed for very large SMP system with hundreds or | 323 | designed for very large SMP system with hundreds or |
| 333 | thousands of CPUs. | 324 | thousands of CPUs. It also scales down nicely to |
| 325 | smaller systems. | ||
| 334 | 326 | ||
| 335 | config PREEMPT_RCU | 327 | config PREEMPT_RCU |
| 336 | bool "Preemptible RCU" | 328 | bool "Preemptible RCU" |
