From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755512AbaIWKrl (ORCPT ); Tue, 23 Sep 2014 06:47:41 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:47407 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754070AbaIWKrj (ORCPT ); Tue, 23 Sep 2014 06:47:39 -0400 Date: Tue, 23 Sep 2014 11:47:16 +0100 From: Will Deacon To: Robert Richter Cc: Catalin Marinas , Robert Richter , Radha Mohan Chintakuntla , Mark Rutland , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] arm64, defconfig: Increase NR_CPUS default to 64 Message-ID: <20140923104716.GG26472@arm.com> References: <1410176689-20020-1-git-send-email-rric@kernel.org> <20140923104431.GF20170@rric.localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140923104431.GF20170@rric.localhost> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 23, 2014 at 11:44:31AM +0100, Robert Richter wrote: > On 08.09.14 13:44:48, Robert Richter wrote: > > From: Robert Richter > > > > Raising the current maximum limit to 64. This is needed for Cavium's > > Thunder systems that will have at least 48 cores per die. > > > > The change keeps the current memory footprint in cpu mask structures. > > It does not break existing code. Setting the maximum to 64 cpus still > > boots systems with less cpus. > > > > Mark's Juno happily booted with a NR_CPUS=64 kernel. > > > > Tested on our Thunder system with 48 cores. We could see interrupts to > > all cores. > > Catalin, Will, > > please consider applying this patch. I thought this was queued already? Will