diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Kconfig.debug | 32 |
1 files changed, 3 insertions, 29 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 9b1707b5f646..10ef61981149 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug | |||
@@ -352,7 +352,7 @@ config DEBUG_OBJECTS_WORK | |||
352 | 352 | ||
353 | config DEBUG_OBJECTS_RCU_HEAD | 353 | config DEBUG_OBJECTS_RCU_HEAD |
354 | bool "Debug RCU callbacks objects" | 354 | bool "Debug RCU callbacks objects" |
355 | depends on DEBUG_OBJECTS && PREEMPT | 355 | depends on DEBUG_OBJECTS |
356 | help | 356 | help |
357 | Enable this to turn on debugging of RCU list heads (call_rcu() usage). | 357 | Enable this to turn on debugging of RCU list heads (call_rcu() usage). |
358 | 358 | ||
@@ -890,22 +890,9 @@ config RCU_TORTURE_TEST_RUNNABLE | |||
890 | Say N here if you want the RCU torture tests to start only | 890 | Say N here if you want the RCU torture tests to start only |
891 | after being manually enabled via /proc. | 891 | after being manually enabled via /proc. |
892 | 892 | ||
893 | config RCU_CPU_STALL_DETECTOR | ||
894 | bool "Check for stalled CPUs delaying RCU grace periods" | ||
895 | depends on TREE_RCU || TREE_PREEMPT_RCU | ||
896 | default y | ||
897 | help | ||
898 | This option causes RCU to printk information on which | ||
899 | CPUs are delaying the current grace period, but only when | ||
900 | the grace period extends for excessive time periods. | ||
901 | |||
902 | Say N if you want to disable such checks. | ||
903 | |||
904 | Say Y if you are unsure. | ||
905 | |||
906 | config RCU_CPU_STALL_TIMEOUT | 893 | config RCU_CPU_STALL_TIMEOUT |
907 | int "RCU CPU stall timeout in seconds" | 894 | int "RCU CPU stall timeout in seconds" |
908 | depends on RCU_CPU_STALL_DETECTOR | 895 | depends on TREE_RCU || TREE_PREEMPT_RCU |
909 | range 3 300 | 896 | range 3 300 |
910 | default 60 | 897 | default 60 |
911 | help | 898 | help |
@@ -914,22 +901,9 @@ config RCU_CPU_STALL_TIMEOUT | |||
914 | RCU grace period persists, additional CPU stall warnings are | 901 | RCU grace period persists, additional CPU stall warnings are |
915 | printed at more widely spaced intervals. | 902 | printed at more widely spaced intervals. |
916 | 903 | ||
917 | config RCU_CPU_STALL_DETECTOR_RUNNABLE | ||
918 | bool "RCU CPU stall checking starts automatically at boot" | ||
919 | depends on RCU_CPU_STALL_DETECTOR | ||
920 | default y | ||
921 | help | ||
922 | If set, start checking for RCU CPU stalls immediately on | ||
923 | boot. Otherwise, RCU CPU stall checking must be manually | ||
924 | enabled. | ||
925 | |||
926 | Say Y if you are unsure. | ||
927 | |||
928 | Say N if you wish to suppress RCU CPU stall checking during boot. | ||
929 | |||
930 | config RCU_CPU_STALL_VERBOSE | 904 | config RCU_CPU_STALL_VERBOSE |
931 | bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR" | 905 | bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR" |
932 | depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU | 906 | depends on TREE_PREEMPT_RCU |
933 | default y | 907 | default y |
934 | help | 908 | help |
935 | This option causes RCU to printk detailed per-task information | 909 | This option causes RCU to printk detailed per-task information |