From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scot Doyle <lkml14@scotdoyle.com>
Date: Tue, 24 May 2016 01:19:48 +0000
Subject: Re: [PATCH] fbcon: warn on invalid cursor blink intervals
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To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Tomi Valkeinen <tomi.valkeinen@ti.com>, Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Jeremy Kerr <jk@ozlabs.org>, Ming Lei <ming.lei@canonical.com>, David Daney <david.daney@cavium.com>, Dann Frazier <dann.frazier@canonical.com>, Peter Hurley <peter@hurleysoftware.com>, Pavel Machek <pavel@ucw.cz>, Jonathan Liu <net147@gmail.com>, Alistair Popple <alistair@popple.id.au>, Jean-Philippe Brucker <jean-philippe.brucker@arm.com>, "Chintakuntla, Radha" <Radha.Chintakuntla@caviumnetworks.com>, Jiri Slaby <jslaby@suse.com>, David Airlie <airlied@linux.ie>, David Daney <ddaney.cavm@gmail.com>, Scot Doyle <lkml14@scotdoyle.com>, fengguang.wu@intel.com, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, stable <stable@vger.kernel.org>

On Fri, 20 May 2016, Scot Doyle wrote:
> On Fri, 20 May 2016, Jeremy Kerr wrote:
> > Hi Ming,
> > 
> > >Then looks there are two fix patches acked & tested:
> > >
> > > - the patch in this thread
> > > - another one "[PATCH] tty: vt: Fix soft lockup in fbcon cursor
> > >blink timer."
> > > https://lkml.org/lkml/2016/5/17/455
> > >
> > >So which one will be pushed to linus?
> > 
> > Not that it's my call, but we may want both; the first as a safety
> > measure to prevent an invalid cur_blink_jiffies ever being set, and the
> > second one to actually fix the initialisation of vc_cur_blink_ms (and
> > address the warning introduced by the first).
> 
> Tomi / Greg,
> 
> I'd suggest
> - applying "tty: vt: Fix soft lockup in fbcon cursor blink timer." to 4.7 and stable[4.2]
> - applying "fbcon: warn on invalid cursor blink intervals" to 4.7
> - ignoring "fbcon: use default if cursor blink interval is not valid"
> 
> Note: the patches don't depend on each other

"tty: vt: Fix soft lockup..." should be applied first in order to avoid 
unnecessary reports due to the log warning in "fbcon: warn on invalid..."

> 
> > I guess we could just go with the latter for stable...
> >
> > Cheers,
> > 
> > Jeremy