Message-ID: <1376928143.18111.12.camel@fourier>
Subject: [3.10][3.8][3.5] ARM: Fix FIQ code on VIVT CPUs (was Re: [PATCH
 076/133] ARM: update FIQ support for relocation of vectors)
From: Kamal Mostafa <kamal@canonical.com>
To: Aaro Koskinen <aaro.koskinen@iki.fi>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Luis Henriques <luis.henriques@canonical.com>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        kernel-team@lists.ubuntu.com,
        Russell King <rmk+kernel@arm.linux.org.uk>
Date: Mon, 19 Aug 2013 09:02:23 -0700
In-Reply-To: <20130818210952.GI3067@blackmetal.musicnaut.iki.fi>
References: <1376692475-28413-1-git-send-email-kamal@canonical.com>
	 <1376692475-28413-77-git-send-email-kamal@canonical.com>
	 <20130818210952.GI3067@blackmetal.musicnaut.iki.fi>
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Thanks Aaro.  I'll apply "2ba85e7 ARM: Fix FIQ code on VIVT CPUs" to
3.8-stable.

Greg KH and Luis Henriques:  Heads up!  3.10-stable and 3.5-stable also
need 2ba85e7 but it isn't marked cc: stable.

 -Kamal


On Mon, 2013-08-19 at 00:09 +0300, Aaro Koskinen wrote:
> On Fri, Aug 16, 2013 at 03:33:38PM -0700, Kamal Mostafa wrote:
> > 3.8.13.7 -stable review patch.  If anyone has any objections, please le=
t me know.
> >=20
> > ------------------
> >=20
> > From: Russell King <rmk+kernel@arm.linux.org.uk>
> >=20
> > commit e39e3f3ebfef03450cf7bfa7a974a8c61f7980c8 upstream.
> >=20
> > FIQ should no longer copy the FIQ code into the user visible vector
> > page.  Instead, it should use the hidden page.  This change makes
> > that happen.
>=20
> FYI, this patch introduced regression (kernel crash) at least on Amstrad
> E1 board (where FIQ is used for the keyboard). See the following thread:
> http://marc.info/?t=3D137583169900003&r=3D1&w=3D2
>=20
> So any stable kernels where this patch was added should also take:
>=20
> 	commit 2ba85e7af4c639d933c9a87a6d7363f2983d5ada
> 	Author: Russell King <rmk+kernel@arm.linux.org.uk>
> 	Date:   Thu Aug 8 11:51:21 2013 +0100
>=20
> 	ARM: Fix FIQ code on VIVT CPUs
>=20
> That patch fixes the regression.
>=20
> A.
>=20


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