diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-10-25 20:59:23 -0400 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-11-13 17:09:56 -0500 |
| commit | c896054f75f9a720ecf2ab3e688f4da79a55fe05 (patch) | |
| tree | 3d5008aaf1c30330ad3d73119337f4be665ec077 /lib/Kconfig.debug | |
| parent | 53bb857c373d6b7936f8a7b4451f0a99703c308e (diff) | |
rcu: Reduce default RCU CPU stall warning timeout
The RCU CPU stall warning timeout has defaulted to 60 seconds for
some years, with almost no false positives. This commit therefore
reduces the default to 21 seconds, slightly shorter than the new
soft-lockup timeout.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 28e9d6c98941..41faf0b8df1d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug | |||
| @@ -972,7 +972,7 @@ config RCU_CPU_STALL_TIMEOUT | |||
| 972 | int "RCU CPU stall timeout in seconds" | 972 | int "RCU CPU stall timeout in seconds" |
| 973 | depends on TREE_RCU || TREE_PREEMPT_RCU | 973 | depends on TREE_RCU || TREE_PREEMPT_RCU |
| 974 | range 3 300 | 974 | range 3 300 |
| 975 | default 60 | 975 | default 21 |
| 976 | help | 976 | help |
| 977 | If a given RCU grace period extends more than the specified | 977 | If a given RCU grace period extends more than the specified |
| 978 | number of seconds, a CPU stall warning is printed. If the | 978 | number of seconds, a CPU stall warning is printed. If the |