Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756930Ab2J3JOv (ORCPT ); Tue, 30 Oct 2012 05:14:51 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:54876 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756608Ab2J3JOp (ORCPT ); Tue, 30 Oct 2012 05:14:45 -0400 Date: Tue, 30 Oct 2012 10:14:40 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, Andrew Vagin , Borislav Petkov , David Howells , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Paul Mackerras , Stephane Eranian , Steven Rostedt Subject: Re: [GIT PULL 0/9] perf/core improvements and fixes Message-ID: <20121030091440.GA10272@gmail.com> References: <1351261913-28250-1-git-send-email-acme@infradead.org> <20121026145451.GA14379@gmail.com> <20121026170503.GC20695@ghostprotocols.net> <20121027131935.GA30001@gmail.com> <20121030081807.GA8245@gmail.com> <1351585291.4047.34.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1351585291.4047.34.camel@twins> 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: 1057 Lines: 32 * Peter Zijlstra wrote: > On Tue, 2012-10-30 at 09:18 +0100, Ingo Molnar wrote: > > > > The optimal way, I guess, would be to have some cache file > > > > with the results of such feature tests, that would be created > > > > and then used till the build fails using its findings, which > > > > would trigger a new feature check round, followed by an > > > > automatic rebuild. I did not write that. I think making the feature tests parallel would be enough to speed it all up - caching brings in a new set of problems. The tests are mostly independent and the feature test makefile rules could be parallelized like the object file rules. > autoconf!! ;-) > > /me runs hey, we build perf much faster than autoconf's 'configure' script finishes running ;-) Thanks, Ingo -- 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/