Re: [PATCH 076/133] ARM: update FIQ support for relocation of vectors

From: Aaro Koskinen
Date: Sun Aug 18 2013 - 17:10:11 EST


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 let me know.
>
> ------------------
>
> From: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
>
> commit e39e3f3ebfef03450cf7bfa7a974a8c61f7980c8 upstream.
>
> 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.

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=137583169900003&r=1&w=2

So any stable kernels where this patch was added should also take:

commit 2ba85e7af4c639d933c9a87a6d7363f2983d5ada
Author: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Date: Thu Aug 8 11:51:21 2013 +0100

ARM: Fix FIQ code on VIVT CPUs

That patch fixes the regression.

A.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/