diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 22 | ||||
| -rw-r--r-- | lib/smp_processor_id.c | 2 |
2 files changed, 10 insertions, 14 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4c9ae6085c7..29044f50026 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -570,6 +570,15 @@ config DEBUG_NOTIFIERS This is a relatively cheap check but if you care about maximum performance, say N. +# +# Select this config option from the architecture Kconfig, if it +# it is preferred to always offer frame pointers as a config +# option on the architecture (regardless of KERNEL_DEBUG): +# +config ARCH_WANT_FRAME_POINTERS + bool + help + config FRAME_POINTER bool "Compile the kernel with frame pointers" depends on DEBUG_KERNEL && \ @@ -633,19 +642,6 @@ config RCU_TORTURE_TEST_RUNNABLE config RCU_CPU_STALL_DETECTOR bool "Check for stalled CPUs delaying RCU grace periods" - depends on CLASSIC_RCU - default n - help - This option causes RCU to printk information on which - CPUs are delaying the current grace period, but only when - the grace period extends for excessive time periods. - - Say Y if you want RCU to perform such checks. - - Say N if you are unsure. - -config RCU_CPU_STALL_DETECTOR - bool "Check for stalled CPUs delaying RCU grace periods" depends on CLASSIC_RCU || TREE_RCU default n help diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 0f8fc22ed10..4689cb073da 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -22,7 +22,7 @@ notrace unsigned int debug_smp_processor_id(void) * Kernel threads bound to a single CPU can safely use * smp_processor_id(): */ - if (cpus_equal(current->cpus_allowed, cpumask_of_cpu(this_cpu))) + if (cpumask_equal(¤t->cpus_allowed, cpumask_of(this_cpu))) goto out; /* |