diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index cceb9534338abc1e6634b658aaf6a44cb0d83710..7d2499bec5fe662f6bf1c103e5fb33e1b5c15d70 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4490,10 +4490,6 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s) { struct task_struct *curr = current; -#ifndef CONFIG_PROVE_RCU_REPEATEDLY - if (!debug_locks_off()) - return; -#endif /* #ifdef CONFIG_PROVE_RCU_REPEATEDLY */ /* Note: the following can be executed concurrently, so be careful. */ pr_warn("\n"); pr_warn("=============================\n"); diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index f524d967f7b6d9bbe55d0d209817871d42cc8201..7f5919ab24c4de3803eb433395f17ed45e53c043 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -79,9 +79,7 @@ static void __init rcu_bootup_announce_oddness(void) pr_info("\tHierarchical RCU autobalancing is disabled.\n"); if (IS_ENABLED(CONFIG_RCU_FAST_NO_HZ)) pr_info("\tRCU dyntick-idle grace-period acceleration is enabled.\n"); - if (IS_ENABLED(CONFIG_PROVE_RCU_REPEATEDLY)) - pr_info("\tRCU lockdep checking is permanently enabled.\n"); - else if (IS_ENABLED(CONFIG_PROVE_RCU)) + if (IS_ENABLED(CONFIG_PROVE_RCU)) pr_info("\tRCU lockdep checking is enabled.\n"); if (RCU_NUM_LVLS >= 4) pr_info("\tFour(or more)-level hierarchy is enabled.\n"); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 960c5d2d3c0331d81a77d238389ff4e5602d854b..762deab304fe7bea75e25b6dc6fc6383f4310568 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1306,20 +1306,6 @@ menu "RCU Debugging" config PROVE_RCU def_bool PROVE_LOCKING -config PROVE_RCU_REPEATEDLY - bool "RCU debugging: don't disable PROVE_RCU on first splat" - depends on PROVE_RCU - default n - help - By itself, PROVE_RCU will disable checking upon issuing the - first warning (or "splat"). This feature prevents such - disabling, allowing multiple RCU-lockdep warnings to be printed - on a single reboot. - - Say Y to allow multiple RCU-lockdep warnings per boot. - - Say N if you are unsure. - config SPARSE_RCU_POINTER bool "RCU debugging: sparse-based checks for pointer usage" default n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 index 9007cd979df754745b33dd54e164ae042b57f637..1f6bebbf5da80a12ecaf8c7bad93cff806365a0c 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TINY02 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TINY02 @@ -8,7 +8,6 @@ CONFIG_NO_HZ_IDLE=n CONFIG_NO_HZ_FULL=n CONFIG_RCU_TRACE=y CONFIG_PROVE_LOCKING=y -CONFIG_PROVE_RCU_REPEATEDLY=y #CHECK#CONFIG_PROVE_RCU=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_DEBUG_OBJECTS=y diff --git a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt index 519e06d34d0b9a038fb2794f14905be2af33e19a..b778a28f1386c0e7bfa93afa09d7f01a394819bc 100644 --- a/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt +++ b/tools/testing/selftests/rcutorture/doc/TREE_RCU-kconfig.txt @@ -13,7 +13,6 @@ CONFIG_NO_HZ_FULL -- Do two, one with partial CPU enablement. CONFIG_PREEMPT -- Do half. (First three and #8.) CONFIG_PROVE_LOCKING -- Do several, covering CONFIG_DEBUG_LOCK_ALLOC=y and not. CONFIG_PROVE_RCU -- Hardwired to CONFIG_PROVE_LOCKING. -CONFIG_PROVE_RCU_REPEATEDLY -- Do one. CONFIG_RCU_BOOST -- one of PREEMPT_RCU. CONFIG_RCU_FANOUT -- Cover hierarchy, but overlap with others. CONFIG_RCU_FANOUT_LEAF -- Do one non-default.