CONFIG_CSD_LOCK_WAIT_DEBUG is not available for thedefaultarchitecture x86.
Result is shown for architecture 64BIT
Debugging for csd_lock_wait(), called from smp_call_function*()
configname: CONFIG_CSD_LOCK_WAIT_DEBUG
Linux Kernel Configuration
└─>Kernel hacking
└─>Lock Debugging (spinlocks, mutexes, etc...)
└─>Debugging for csd_lock_wait(), called from smp_call_function*()
In linux kernel since version 4.14.326 (release Date: 2023-09-23)
This option enables debug prints when CPUs are slow to respond
to the smp_call_function*() IPI wrappers. These debug prints
include the IPI handler function currently executing (if any)
and relevant stack traces.
to the smp_call_function*() IPI wrappers. These debug prints
include the IPI handler function currently executing (if any)
and relevant stack traces.