Re: [PATCH v7] tty: fix hang on tty device with no_room set

[caelli]

> Where do you find this hanging pty? Seems like the wording makes me
> confused. Maybe you mean "It is possible to hang pty device. In that
> case, ..."

Thanks for your reply, I will correct messages like this:

"It is possible to hang pty devices in this case, the reader
was blocking at epoll on master side, the writer was ..."

Bagas Sanjaya <bagasdotme@xxxxxxxxx> 于2023年4月4日周二 10:55写道：
>
> On 4/4/23 09:49, Bagas Sanjaya wrote:
> > On Fri, Mar 17, 2023 at 10:24:07AM +0800, juanfengpy@xxxxxxxxx wrote:
> >> We have met a hang on pty device, the reader was blocking
> >> at epoll on master side, the writer was sleeping at wait_woken
> >> inside n_tty_write on slave side, and the write buffer on
> >> tty_port was full, we found that the reader and writer would
> >> never be woken again and blocked forever.
> >
> > Where do you find this hanging pty? Seems like the wording makes me
> > confused. Maybe you mean "It is possible to hang pty device. In that
> > case, ..."
> >
>
> Oops, I forgot to Cc: LKML.
>
> --
> An old man doll... just what I always wanted! - Clara
>