From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhaoshenglong@huawei.com (Shannon Zhao) Date: Wed, 3 Dec 2014 10:46:37 +0800 Subject: [RFC PATCH] hw/arm/virt: Add support for NUMA on ARM64 In-Reply-To: References: <1417524986-9196-1-git-send-email-zhaoshenglong@huawei.com> Message-ID: <547E798D.7090602@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2014/12/3 0:00, Peter Maydell wrote: > On 2 December 2014 at 12:56, Shannon Zhao wrote: >> Add support for NUMA on ARM64. Tested successfully running a guest >> Linux kernel with the following patch applied: >> >> - arm64:numa: adding numa support for arm64 platforms. >> http://www.spinics.net/lists/arm-kernel/msg365316.html >> >> Example qemu command line: >> qemu-system-aarch64 \ >> -enable-kvm -smp 4\ >> -kernel Image \ >> -m 512 -machine virt,kernel_irqchip=on \ >> -initrd guestfs.cpio.gz \ >> -cpu host -nographic \ >> -numa node,mem=256M,cpus=0-1,nodeid=0 \ >> -numa node,mem=256M,cpus=2-3,nodeid=1 \ >> -append "console=ttyAMA0 root=/dev/ram" > > Thanks for sending this patch. Unfortunately I know very > little about NUMA so it's a bit difficult for me to > evaluate (would anybody else care to look at it?). > Nevertheless, it's on my list of patches to review; > ping me if I don't get to it within a week or two. > Ok, thanks for your reply :-) Something about NUMA can get from wiki: http://en.wikipedia.org/wiki/Non-uniform_memory_access Thanks, Shannon From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53461) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xvzys-0004Kr-RF for qemu-devel@nongnu.org; Tue, 02 Dec 2014 21:47:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xvzyo-0006bp-Oi for qemu-devel@nongnu.org; Tue, 02 Dec 2014 21:47:54 -0500 Received: from szxga03-in.huawei.com ([119.145.14.66]:23399) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xvzyo-0006bW-5Z for qemu-devel@nongnu.org; Tue, 02 Dec 2014 21:47:50 -0500 Message-ID: <547E798D.7090602@huawei.com> Date: Wed, 3 Dec 2014 10:46:37 +0800 From: Shannon Zhao MIME-Version: 1.0 References: <1417524986-9196-1-git-send-email-zhaoshenglong@huawei.com> In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC PATCH] hw/arm/virt: Add support for NUMA on ARM64 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell , QEMU Developers Cc: hangaohuai@huawei.com, Claudio Fontana , "Huangpeng (Peter)" , ganapatrao.kulkarni@caviumnetworks.com, Christoffer Dall , wanghaibin.wang@huawei.com, Paolo Bonzini , arm-mail-list On 2014/12/3 0:00, Peter Maydell wrote: > On 2 December 2014 at 12:56, Shannon Zhao wrote: >> Add support for NUMA on ARM64. Tested successfully running a guest >> Linux kernel with the following patch applied: >> >> - arm64:numa: adding numa support for arm64 platforms. >> http://www.spinics.net/lists/arm-kernel/msg365316.html >> >> Example qemu command line: >> qemu-system-aarch64 \ >> -enable-kvm -smp 4\ >> -kernel Image \ >> -m 512 -machine virt,kernel_irqchip=on \ >> -initrd guestfs.cpio.gz \ >> -cpu host -nographic \ >> -numa node,mem=256M,cpus=0-1,nodeid=0 \ >> -numa node,mem=256M,cpus=2-3,nodeid=1 \ >> -append "console=ttyAMA0 root=/dev/ram" > > Thanks for sending this patch. Unfortunately I know very > little about NUMA so it's a bit difficult for me to > evaluate (would anybody else care to look at it?). > Nevertheless, it's on my list of patches to review; > ping me if I don't get to it within a week or two. > Ok, thanks for your reply :-) Something about NUMA can get from wiki: http://en.wikipedia.org/wiki/Non-uniform_memory_access Thanks, Shannon