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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
| commit | 506c10f26c481b7f8ef27c1c79290f68989b2e9e (patch) | |
| tree | 03de82e812f00957aa6276dac2fe51c3358e88d7 /kernel/Kconfig.preempt | |
| parent | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (diff) | |
| parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) | |
| download | talos-op-linux-506c10f26c481b7f8ef27c1c79290f68989b2e9e.tar.gz talos-op-linux-506c10f26c481b7f8ef27c1c79290f68989b2e9e.zip | |
Merge commit 'v2.6.29-rc1' into perfcounters/core
Conflicts:
include/linux/kernel_stat.h
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 9fdba03dc1fc..bf987b95b356 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. |
