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Mon, 3 Aug 2020 13:42:02 -0400 (EDT) Date: Mon, 3 Aug 2020 13:42:00 -0400 From: Leo Famulari Message-ID: <20200803174200.GA16760@jasmine.lan> References: <20200802224356.GA4714@jasmine.lan> <878sewup6e.fsf@gnu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <878sewup6e.fsf@gnu.org> X-Spam-Score: -0.7 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.7 (-) X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=famulari.name header.s=mesmtp header.b=0klqBs4N; dkim=fail (rsa verify failed) header.d=messagingengine.com header.s=fm3 header.b=K6DEt2/1; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Spam-Score: -0.01 X-TUID: nWl3EVx6KzAN On Mon, Aug 03, 2020 at 10:08:41AM +0200, Mathieu Othacehe wrote: > Nice! Adding a new branch to the CI will only allow us to know if this > builds for armhf-linux and aarch64-linux architectures. You should be > able to do that on your machine with the following commands: > > guix build -s armhf-linux linux-libre > guix build -s aarch64-linux linux-libre > > but you need to setup qemu-binfmt first. It would also be nice to test > cross-compilation this way: My workstation is not very powerful so I'd rather use the build farm. > > * Enable the compressed cache for swap pages by default? (ZSWAP_DEFAULT_ON) > > > > Should we enable this? It seems useful and the compression algorithms > > are known to be very fast. Are there any downsides? > > There's at least Archlinux that is enabling it by default[1], but using LZ4 > algorithm instead of the default LZO. No strong opinion otherwise. Good to know! I wonder if any other distros are... > > * Enable the DMA-BUF userland memory heaps? This options creates per > > heap chardevs in /dev/dma_heap/ which allows userspace to allocate > > dma-bufs that can be shared between drivers. (DMABUF_HEAPS) > > > > I don't really know what that means. > > I think it's targeting embedded devices mainly, but it can't hurt to > enable it. If that's the case, I would leave it disabled. Guix is not really appropriate for embedded systems.