Re: [PATCH printk v2 1/5] printk: track/limit recursion
From: Petr Mladek
Date: Thu Apr 01 2021 - 06:00:49 EST
On Tue 2021-03-30 17:35:08, John Ogness wrote:
> Currently the printk safe buffers provide a form of recursion
> protection by redirecting to the safe buffers whenever printk() is
> recursively called.
>
> In preparation for removal of the safe buffers, provide an alternate
> explicit recursion protection. Recursion is limited to 3 levels
> per-CPU and per-context.
>
> Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
Best Regards,
Petr