From mboxrd@z Thu Jan 1 00:00:00 1970 From: l.stach@pengutronix.de (Lucas Stach) Date: Tue, 25 Aug 2015 14:56:09 +0200 Subject: [PATCH] ARM: enable imprecise aborts during early kernel startup In-Reply-To: <20150825124042.GR7557@n2100.arm.linux.org.uk> References: <1440501845-25723-1-git-send-email-l.stach@pengutronix.de> <20150825124042.GR7557@n2100.arm.linux.org.uk> Message-ID: <1440507369.3066.38.camel@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Am Dienstag, den 25.08.2015, 13:40 +0100 schrieb Russell King - ARM Linux: > On Tue, Aug 25, 2015 at 01:24:05PM +0200, Lucas Stach wrote: > > From: Fabrice Gasnier > > > > This patch adds imprecise abort enable/disable macros and uses them to > > enable imprecise aborts early when starting the kernel. > > > > This helps in tracking down the real cause for such imprecise abort, as > > they are handled as soon as they occur. Until now those aborts would > > only be enabled when entering the userspace and as a consequence crash > > the first userspace process if any abort had been raised during kernel > > startup. > > > > Signed-off-by: Fabrice Gasnier > > Signed-off-by: Lucas Stach > > Looks fine to me. I think as we know Keystone2 definitely has issues > with this, I'd like to delay it to the v4.4 merge window, but please > consider putting it in the patch system anyway so it doesn't get > forgotten about. I'll queue it after 4.3-rc1 is out. > That sounds sensible. Patch is in the system as 8422/1. Regards, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ |