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Date:   Tue, 10 Nov 2020 13:49:46 +0100
From:   Daniel Vetter <daniel@ffwll.ch>
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Peilin Ye <yepeilin.cs@gmail.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Jiri Slaby <jirislaby@kernel.org>,
        Thomas Winischhofer <thomas@winischhofer.net>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Nicolas Pitre <nico@fluxnic.net>,
        "Gustavo A . R . Silva" <gustavoars@kernel.org>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
        George Kennedy <george.kennedy@oracle.com>,
        Nathan Chancellor <natechancellor@gmail.com>,
        Peter Rosin <peda@axentia.se>, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-fbdev@vger.kernel.org
Subject: Re: [PATCH 1/2] console: Remove dummy con_font_op() callback
 implementations
Message-ID: <20201110124946.GF401619@phenom.ffwll.local>
Mail-Followup-To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Peilin Ye <yepeilin.cs@gmail.com>,
        Jiri Slaby <jirislaby@kernel.org>,
        Thomas Winischhofer <thomas@winischhofer.net>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Nicolas Pitre <nico@fluxnic.net>,
        "Gustavo A . R . Silva" <gustavoars@kernel.org>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
        George Kennedy <george.kennedy@oracle.com>,
        Nathan Chancellor <natechancellor@gmail.com>,
        Peter Rosin <peda@axentia.se>, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org,
        linux-fbdev@vger.kernel.org
References: <c5563eeea36aae7bd72ea2e985bc610d585ece40.1604128639.git.yepeilin.cs@gmail.com>
 <20201106105058.GA2801856@kroah.com>
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On Fri, Nov 06, 2020 at 11:50:58AM +0100, Greg Kroah-Hartman wrote:
> On Sat, Oct 31, 2020 at 03:24:41AM -0400, Peilin Ye wrote:
> > `struct console_font` is a UAPI structure, thus ideally should not be
> > used for kernel internal abstraction. Remove some dummy .con_font_set,
> > .con_font_default and .con_font_copy `struct consw` callback
> > implementations, to make it cleaner.
> > 
> > Patch "fbcon: Prevent global-out-of-bounds read in fbcon_copy_font()"
> > depends on this patch, so Cc: stable.
> > 
> > Cc: stable@vger.kernel.org
> > Suggested-by: Daniel Vetter <daniel@ffwll.ch>
> > Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
> > ---
> > Context: https://lore.kernel.org/lkml/CAKMK7uFY2zv0adjKJ_ORVFT7Zzwn075MaU0rEU7_FuqENLR=UA@mail.gmail.com/
> > 
> >  drivers/usb/misc/sisusbvga/sisusb_con.c | 21 ---------------------
> >  drivers/video/console/dummycon.c        | 20 --------------------
> >  2 files changed, 41 deletions(-)
> 
> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Peilin, can you pls resend this together with all the other pending
patches from you? I think that's better than me trying to cherry-pick the
bits we decided to keep from random places.

Greg, ok if I just pull these in through drm-misc-next? It's a pretty bad
hairball anyway and that avoids the tree coordination issues. Only thing
that might get in the way is the vt font_copy removal, but that's in -rc3
so easy to backmerge.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch