Re: [PATCH v2] printk: Remove console options before decoding the name

[David Engraf]

On 21.09.26 08:17 wrote Tony Lindgren:
> On Fri, Sep 18, 2026 at 09:27:03AM +0300, David Engraf wrote:
> > On 17.09.26 17:03 wrote Tony Lindgren:
> > > On Thu, Sep 17, 2026 at 09:05:51AM +0300, David Engraf wrote:
> > > > This fixes a regression when a console option includes ':'. Commit
> > > > 7640f1a44eba ("printk: Add match_devname_and_update_preferred_console()")
> > > > introduced console=DEVNAME:0.0 hardware style addressing by looking for a
> > > > colon. If the colon is part of an option the name is handled as devname
> > > > instead of ttyname.
> > >
> > > Just curious, which console did you hit this issue with?
> >
> > It's a self-developed console driver to access our hypervisor.
>
> OK thanks. From a "fix or feature" point of view, I wonder if this issue
> can happen with some of the current Linux console drivers too?

AFAIK there is no restriction using ':' in the console options even if I 
don't know any in-kernel driver using it. That's why I would say it's a 
bug fix.

Best regards
- David