Re: [PATCH] n_tty: Remove LINEMODE support

[Peter Hurley]

On 01/19/2015 02:43 PM, Howard Chu wrote:
> Peter Hurley wrote:
>> On 01/19/2015 11:36 AM, Howard Chu wrote:
>>> Peter Hurley wrote:

[...]

>>>> Which brings up another point: only a pty master should be able to set EXTPROC
>>>> mode. Right now, any tty can be set to EXTPROC and the pty slave can even
>>>> accidentally unset it. This argues for a new pty ioctl() to set EXTPROC in
>>>> termios. pty_set_termios() can silently merge the bit.

Another major problem with supporting EXTPROC through termios directly is
that Linux does not mask off unsupported termios bits, so the process can't
find out directly if the the kernel has this support or doesn't.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/