Re: [Xen-devel] [RFC PATCH] sgetty: Smart serial console getty

[Karel Zak <kzak@xxxxxxxxxx>]

On Thu, Dec 05, 2013 at 02:37:07PM +0100, Daniel Kiper wrote:
> >    agetty --detect-console [baud_rate...] [term]
> 
> Make sens.
> 
> > Note that in login-utils/sulogin-consoles.c we have code to detect
> > consoles for sulogin, for example detect_consoles_from_cmdline().
> 
> Great... I will try to use it. Should I build this file as a library
> and then link into agetty or just link ordinary object file
> (login-utils/sulogin-consoles.o) with it?

 You can move the function (or some fragment of the function) to
 the lib/ttyutils.c, the file is already used for libcommon.so (lib
 used everywhere in the package).

> > BTW, I guess that systemd does not use hardcoded console names (like
> > /etc/inittab), ... just for the record :-) (I have no problem to
> > support classic inittab.)
> 
> That is great. However, I do not know systemd (I only heard about that)
> and maybe my question is stupid but I am curious how it starts getty
> on serial console, i.e. how it gets a name of serial console and
> passes it to getty.

 from kernel command line, more details:
 http://0pointer.de/blog/projects/serial-console.html

    Karel

-- 
 Karel Zak  <kzak@xxxxxxxxxx>
 http://karelzak.blogspot.com

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