On 2022-11-09, Daniel Thompson <daniel.thompson@xxxxxxxxxx> wrote:
>> @@ -463,9 +476,14 @@ static void kgdboc_earlycon_pre_exp_handler(void)
>> * serial drivers might be OK with this, print a warning once per
>> * boot if we detect this case.
>> */
>> - for_each_console(con)
>> + cookie = console_srcu_read_lock();
>> + for_each_console_srcu(con) {
>> if (con == kgdboc_earlycon_io_ops.cons)
>> - return;
>> + break;
>> + }
>> + console_srcu_read_unlock(cookie);
>> + if (con)
>> + return;
>
> This change isn't mentioned in the patch description.
I will move this change into its own separate patch.
tty: serial: kgdboc: use srcu console list iterator
Use srcu console list iteration for safe console list traversal.
Thanks.
John
