Re: [PATCH v2 0/7] tty: add flag to suppress ready signalling on open

[Johan Hovold]

On Thu, Dec 10, 2020 at 02:01:30PM +0100, Greg Kroah-Hartman wrote:
> O_DIRECT is an interesting hack, has anyone seen if it violates the
> posix rules for us to use it on a character device like this?

Jiri only mentioned O_DIRECT as an example of a flag which we might be
able to repurpose/abuse for this. O_DIRECT is linux-specific, not in
POSIX, so we'd still end up with a Linux-specific interface if we were
to take this route.

Johan