Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=095031052b4c03a7c8ffa51cbab031e442c4f8b7
Commit: 095031052b4c03a7c8ffa51cbab031e442c4f8b7
Parent: 8af03e782cae1e0a0f530ddd22301cdd12cf9dc0
Author: Paul E. McKenney <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 31 22:45:22 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Thu Jan 31 22:45:22 2008 +0100
RCU: add help text for "RCU implementation type"
This patch supplies help text for the "RCU implementation type"
kernel configuration choice.
Reported-by: Stefan Richter <[EMAIL PROTECTED]>
Signed-off-by: Paul E. McKenney <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
init/Kconfig | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig
index 0d0bbf2..dcc96a8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -775,6 +775,14 @@ config PREEMPT_NOTIFIERS
choice
prompt "RCU implementation type:"
default CLASSIC_RCU
+ help
+ This allows you to choose either the classic RCU implementation
+ that is designed for best read-side performance on non-realtime
+ systems, or the preemptible RCU implementation for best latency
+ on realtime systems. Note that some kernel preemption modes
+ will restrict your choice.
+
+ Select the default if you are unsure.
config CLASSIC_RCU
bool "Classic RCU"
-
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