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Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:57256) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWbfX-0004ry-IC; Thu, 07 May 2020 09:14:11 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jWbfV-0000cM-Ub; Thu, 07 May 2020 09:14:09 +0100 Date: Thu, 7 May 2020 09:14:09 +0100 From: Russell King - ARM Linux admin To: Florian Fainelli Subject: Re: [PATCH 0/2] Allow either FLATMEM or SPARSEMEM on the multiplatform build Message-ID: <20200507081409.GQ1551@shell.armlinux.org.uk> References: <20200506235009.25023-1-f.fainelli@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200506235009.25023-1-f.fainelli@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_011423_513695_34F6D7B5 X-CRM114-Status: GOOD ( 11.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sboyd@kernel.org, opendmb@gmail.com, Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Mike Rapoport Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 06, 2020 at 04:50:07PM -0700, Florian Fainelli wrote: > Hi all, > > This patch series somehow got lost back in 2015, and while looking at > the various patches that we are carrying in our BRCMSTB downstream > kernel those two patches should have made it upstream. I don't believe it's a good idea for multiplatform. If you have a platform that relies on sparsemem within the multiplatform family, and you select flatmem, how would it boot? Sparsemem can support flatmem layouts, but flatmem can't support sparsemem layouts. So, allowing flatmem seems to go against the underlying principle of multiplatform support. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 10.2Mbps down 587kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel