From mboxrd@z Thu Jan 1 00:00:00 1970 From: nico@fluxnic.net (Nicolas Pitre) Date: Fri, 20 May 2011 14:09:20 -0400 (EDT) Subject: [PATCH v5 15/19] ARM: LPAE: Add support for cpu_v7_do_(suspend|resume) In-Reply-To: <1305897667.2788.98.camel@e102109-lin.cambridge.arm.com> References: <1304859098-10760-1-git-send-email-catalin.marinas@arm.com> <1304859098-10760-16-git-send-email-catalin.marinas@arm.com> <20110518072737.GC6815@atomide.com> <1305897667.2788.98.camel@e102109-lin.cambridge.arm.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 20 May 2011, Catalin Marinas wrote: > On Wed, 2011-05-18 at 08:27 +0100, Tony Lindgren wrote: > > Do we really need all this ifdef else throughout this series? > > > > I think we already have things in place to do this dynamically > > like we already do for thumb, smp_on_up, v6 vs v7 and so on. > > By dynamically, do you mean at run-time? We won't be able to compile > both classic and LPAE in the same kernel, there is just too much > difference between them (2 vs 3 levels of page tables - LPAE is an > entirely new format). > > If you mean some simpler macros like what we have for ARM/THUMB to > reduce the number of lines, I'm fine with it though we don't always have > a 1:1 mapping between LPAE and non-LPAE instructions. > > Alternatively, I'm happy to create a separate proc-v7lpae.S file. That would probably be the best option. Nicolas