Re: [PATCH tty-next v4 0/6] convert 8250 to nbcon
From: John Ogness
Date: Mon Dec 30 2024 - 10:30:05 EST
On 2024-12-27, John Ogness <john.ogness@xxxxxxxxxxxxx> wrote:
> The changes since v3:
>
> - For serial8250_console_fifo_write() and
> serial8250_console_byte_write(), use nbcon_can_proceed()
> rather than repeatedly enter/exit unsafe regions.
I will revert this particular change for v5. It is necessary to
exit/enter unsafe regions per character so that handovers can occur
mid-line. Using nbcon_can_proceed() only allows the hostile takeover
case to perform mid-line interruptions.
John