From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Fri, 5 Apr 2013 22:50:28 +0200 Subject: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE In-Reply-To: <1365193444-13441-3-git-send-email-gregory.clement@free-electrons.com> References: <1365193444-13441-1-git-send-email-gregory.clement@free-electrons.com> <1365193444-13441-3-git-send-email-gregory.clement@free-electrons.com> Message-ID: <201304052250.28641.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday 05 April 2013, Gregory CLEMENT wrote: > From: Lior Amsalem > > In order to be able to support he LPAE, the internal registers virtual > base must be aligned to 2MB. > > Signed-off-by: Lior Amsalem > Signed-off-by: Gregory CLEMENT This is a surprising limitation. Can you extend the above text to go into more detail where that alignment requirement comes from? Arnd