From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Pitre Subject: Re: [PATCH v2] ARM: realview: basic device tree implementation Date: Thu, 22 May 2014 14:09:52 -0400 (EDT) Message-ID: References: <1399586896-16906-1-git-send-email-linus.walleij@linaro.org> <5678119.IM3FN0FlT6@wuerfel> <20140522144503.GA27931@arm.com> <5057707.jNCXlqf9dH@wuerfel> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <5057707.jNCXlqf9dH@wuerfel> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arnd Bergmann Cc: Catalin Marinas , Mark Rutland , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Pawel Moll , Rob Herring , Marc Zyngier , Linus Walleij , Will Deacon , Feng Kan , Thomas Gleixner , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: devicetree@vger.kernel.org On Thu, 22 May 2014, Arnd Bergmann wrote: > On Thursday 22 May 2014 15:45:03 Catalin Marinas wrote: > > By making the DMA memory Strongly Ordered, we avoid the > > L220 write buffer. In addition to the above commit, we also had > > 2503a5ecd86c (ARM: 6201/1: RealView: Do not use outer_sync() on > > ARM11MPCore boards with L220). > > Ah, so this also stands in the way of multiplatform realview :( Isn't the real value of a multiplatform realview in the ability to use it with Qemu? Did Qemu go to the extreme of emulating all those cache issues? Nicolas -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html