When pstore is enabled and a *pr_info(any printk) in
__memcpy_toio(arch/arm64/kernel/io.c)* is added, kernel wont boot and
The path where __memcpy_toio is called is below:
I tried with trace_printk and kernel boots fine. I understand that
printk has overhead, but is this expected when we use some printk
statement in __memcpy_toio?