RE: [PATCH] printk: add cpu id information to printk() output
From: Luck, Tony
Date: Fri Sep 15 2023 - 12:31:51 EST
> + return in_task() ? task_pid_nr(current) | (smp_processor_id() << CPU_ID_SHIFT) :
There are contexts and CONFIG options around pre-emption where smp_processor_id()
will throw a warning. Use raw_smp_processor_id().
-Tony