linux-kernel - Re: [PATCH v2] tty: vt: always invoke vc->vc_sw->con

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Message-ID: <CAKMK7uGO3_EtQem=zuTa2w8jO4zwwT27Ly6uJEYF4wVLYXGZ_Q@mail.gmail.com>
Date:   Mon, 17 May 2021 15:13:05 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     "Maciej W. Rozycki" <macro@...am.me.uk>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        syzbot <syzbot+1f29e126cf461c4de3b3@...kaller.appspotmail.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Colin King <colin.king@...onical.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jani Nikula <jani.nikula@...el.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        "Antonino A. Daplas" <adaplas@...il.com>
Subject: Re: [PATCH v2] tty: vt: always invoke vc->vc_sw->con_resize callback

On Sat, May 15, 2021 at 6:42 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Sat, May 15, 2021 at 9:33 AM Maciej W. Rozycki <macro@...am.me.uk> wrote:
> >
> >  NB I suggest that you request your change to be backported, i.e. post v3
> > with:
> >
> > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> > Cc: stable@...r.kernel.org # v2.6.12+
>
> I've applied it to my tree, but let's wait to see that it doesn't
> cause any issues before notifying the stable people.

Ah I missed all the fun with the long w/e. fwiw I think this looks
very reasonable, see my other reply why I think this shouldn't cause
issues. Especially when fbcon_resize only touches hw when in KD_TEXT
mode.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch