From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752558Ab3KDRsv (ORCPT ); Mon, 4 Nov 2013 12:48:51 -0500 Received: from mail-ea0-f173.google.com ([209.85.215.173]:49032 "EHLO mail-ea0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750766Ab3KDRsu (ORCPT ); Mon, 4 Nov 2013 12:48:50 -0500 Date: Mon, 4 Nov 2013 18:48:41 +0100 From: Ingo Molnar To: Russ Anderson Cc: Josh Boyer , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , prarit@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: Allow NR_CPUS=1024 Message-ID: <20131104174841.GA19498@gmail.com> References: <20131101141148.GH8652@hansolo.jdub.homelinux.org> <20131103101825.GA6605@gmail.com> <20131103102132.GA6807@gmail.com> <20131103155729.GB9944@hansolo.jdub.homelinux.org> <20131104065343.GC13030@gmail.com> <20131104140141.GC9944@hansolo.jdub.homelinux.org> <20131104141051.GA19355@gmail.com> <20131104141615.GD9944@hansolo.jdub.homelinux.org> <20131104155624.GA31656@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131104155624.GA31656@sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Russ Anderson wrote: > > Russ, does SGI (or anyone else that you know of) have x86 hardware > > with more than 4096 CPUs? > > Yes. We have a system in the lab with 254 12-core IVB sockets for a > total of 3048 cores. With HT is it 6096 cpus. It would then be nice to up MAXSMP to 6144 or so. Thanks, Ingo