Re: [RFC v2-fix-v1 3/3] x86/tdx: Handle port I/O

[Kuppuswamy, Sathyanarayanan]

On 6/7/21 10:17 AM, Dan Williams wrote:
> > Did it answer your query?
> Yes, all but the concern of printk recursion.

I think recursion is not possible because printk will
handle it (using console_lock). If another print is
triggered during the current printk handling, it will
be directed to logbuf and delayed.

https://elixir.bootlin.com/linux/latest/source/kernel/printk/printk_safe.c#L382

>

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer