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-rw-r--r--lib/Kconfig.debug21
1 files changed, 20 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 935248bdbc47..d85be90d5888 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -512,6 +512,18 @@ config PROVE_RCU
512 512
513 Say N if you are unsure. 513 Say N if you are unsure.
514 514
515config PROVE_RCU_REPEATEDLY
516 bool "RCU debugging: don't disable PROVE_RCU on first splat"
517 depends on PROVE_RCU
518 default n
519 help
520 By itself, PROVE_RCU will disable checking upon issuing the
521 first warning (or "splat"). This feature prevents such
522 disabling, allowing multiple RCU-lockdep warnings to be printed
523 on a single reboot.
524
525 Say N if you are unsure.
526
515config LOCKDEP 527config LOCKDEP
516 bool 528 bool
517 depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT 529 depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -793,7 +805,7 @@ config RCU_CPU_STALL_DETECTOR
793config RCU_CPU_STALL_VERBOSE 805config RCU_CPU_STALL_VERBOSE
794 bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR" 806 bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR"
795 depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU 807 depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU
796 default n 808 default y
797 help 809 help
798 This option causes RCU to printk detailed per-task information 810 This option causes RCU to printk detailed per-task information
799 for any tasks that are stalling the current RCU grace period. 811 for any tasks that are stalling the current RCU grace period.
@@ -1086,6 +1098,13 @@ config DMA_API_DEBUG
1086 This option causes a performance degredation. Use only if you want 1098 This option causes a performance degredation. Use only if you want
1087 to debug device drivers. If unsure, say N. 1099 to debug device drivers. If unsure, say N.
1088 1100
1101config ATOMIC64_SELFTEST
1102 bool "Perform an atomic64_t self-test at boot"
1103 help
1104 Enable this option to test the atomic64_t functions at boot.
1105
1106 If unsure, say N.
1107
1089source "samples/Kconfig" 1108source "samples/Kconfig"
1090 1109
1091source "lib/Kconfig.kgdb" 1110source "lib/Kconfig.kgdb"