diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-16 17:46:22 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-01-16 17:46:22 +0100 |
commit | 5a2dd72abdae75ea2960145e0549635ce4e0be96 (patch) | |
tree | 44dba0119c75679a17215200f92ab23bdde9efc2 /kernel/Kconfig.preempt | |
parent | efdc64f0c792ea744bcc9203f35b908e66d42f41 (diff) | |
parent | 7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff) |
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'kernel/Kconfig.preempt')
-rw-r--r-- | kernel/Kconfig.preempt | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index 9fdba03dc1f..bf987b95b35 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -52,28 +52,3 @@ config PREEMPT endchoice -config PREEMPT_RCU - bool "Preemptible RCU" - depends on PREEMPT - default n - help - This option reduces the latency of the kernel by making certain - RCU sections preemptible. Normally RCU code is non-preemptible, if - this option is selected then read-only RCU sections become - preemptible. This helps latency, but may expose bugs due to - now-naive assumptions about each RCU read-side critical section - remaining on a given CPU through its execution. - - Say N if you are unsure. - -config RCU_TRACE - bool "Enable tracing for RCU - currently stats in debugfs" - depends on PREEMPT_RCU - select DEBUG_FS - default y - help - This option provides tracing in RCU which presents stats - in debugfs for debugging RCU implementation. - - Say Y here if you want to enable RCU tracing - Say N if you are unsure. |