Re: [PATCH] um: change defconfig to stop spawning xterm

[Ramkumar Ramachandra <artagnon@gmail.com>]

Ramkumar Ramachandra wrote:
> [1]: http://lists.freedesktop.org/archives/systemd-devel/2013-July/012152.html

... and the patches were rejected.  Lennart says that UML providing
/dev/tty* is wrong, and that UML should call them /dev/hvc* (or
something).  Can we do something about the situation?  Can we remove
/dev/tty*, and provide /dev/hvc*?  Will we be breaking existing users?

Thanks.

Lennart Poettering wrote:
> UML shouldn't be penalized for not implementing some terminal emulation,
> but it should be penalized for doing so under the label of "VT support",
> which it simply is not providing.
>
> They can call their ttys any way they want. If the call them
> /dev/tty[1..64] however, then they need to implement the VC
> interfaces. All of them.
>
> Also note that some hypervisors implement /dev/hvc0, /dev/xvc0,
> /dev/hvsi0 and suchlike. Theser are also ttys, which are used for
> interfacing in a VT-like way the virtual machines. But they do not claim
> to ve the real VT, they hence picked different tty names.
>
> UML should follow the same route: pick some name you like, or even
> better, pick one of the existing hypervisor tty names if the interface
> and usecase is the same, but do not use /dev/tty[1..64], because that is
> the VT subsystem.
>
> systemd handles the hvc0, xvc0, hvsi0 automatically already. We'd be
> happy if UML could make use of the same logic.