Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752145AbbBQQPg (ORCPT ); Tue, 17 Feb 2015 11:15:36 -0500 Received: from mail-pa0-f51.google.com ([209.85.220.51]:44763 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751679AbbBQQPf (ORCPT ); Tue, 17 Feb 2015 11:15:35 -0500 Date: Tue, 17 Feb 2015 21:45:14 +0530 From: Afzal Mohammed To: Stefan Agner Cc: linux@arm.linux.org.uk, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] ARM: extend SMP_ON_UP detection for A5 MPCore devices with 1 CPU Message-ID: <20150217161514.GA2236@afzal-ThinkPad-R50e> References: <1422662026-12968-1-git-send-email-stefan@agner.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1422662026-12968-1-git-send-email-stefan@agner.ch> 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 Content-Length: 541 Lines: 17 Hi Stefan, On Sat, Jan 31, 2015 at 12:53:46AM +0100, Stefan Agner wrote: > On the Vybrid platform this did not lead to CPU faults (so far), > but is_smp checks evaluate to true which is not optimal > performance wise. Just curious, was the performance difference considerable ? Regards Afzal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/