> +static size_t info_print_caller_id(char *buf, size_t size,
> + const struct printk_caller *caller) {
> + enum printk_caller_ctx ctx;
> +
> + ctx = printk_to_caller_ctx(caller->cpu_ctx);
> +
> + if (ctx == printk_ctx_task)
> + return snprintf(buf, size, "T%u", caller->pid);
> +
> + return snprintf(buf, size, "C%u",
> +printk_to_caller_cpu(caller->cpu_ctx));
> +}
> +
When I apply and test this patch, there is no change of print format
compared with previous PRINTK_CALLER.
The patch that I made is always to print the CPU ID and process name
together.
