From mboxrd@z Thu Jan 1 00:00:00 1970 From: jonathan.austin@arm.com (Jonathan Austin) Date: Fri, 07 Jun 2013 19:20:42 +0100 Subject: [PATCH] ARM: mpu: Ensure that MPU depends on CPU_V7 In-Reply-To: <20130607181126.GA11232@pengutronix.de> References: <1370625473-21628-1-git-send-email-jonathan.austin@arm.com> <20130607181126.GA11232@pengutronix.de> Message-ID: <51B2247A.1040504@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/06/13 19:11, Uwe Kleine-K?nig wrote: > On Fri, Jun 07, 2013 at 06:17:53PM +0100, Jonathan Austin wrote: >> The support for the MPU is currently implemented only for R-class >> (PMSAv7/R). Since the merge of V7M support in to the kernel it is possible >> to select MPU support on V7M. >> >> This patch ensures that until MPU support for M-class processors is >> implemented, the MPU can only be selected with R-class CPUs >> >> Signed-off-by: Jonathan Austin >> Cc: Uwe Kleine-Konig >> --- >> >> This patch is necessary now that Russell has merged the V7M work in to his >> devel-stable branch. >> >> I don't have any immediate plans to implement MPU support for M-class, so this >> patch is important to ensure we don't break building of V7M platforms. > Acked-by: Uwe Kleine-K?nig > > I didn't check, but that might affect other nommu configs for pre-v7 > cpu's, too. (I think there is support for an at91 in the tree?!) > Thanks Uwe, You're right - I just checked and without this patch we cause issues with at91x40_defconfig. This patch *does* fix that too. I've added your acked-by and this time I've got the '?' :) Jonny