Return-path: Received: from mail-qa0-f53.google.com ([209.85.216.53]:64102 "EHLO mail-qa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759174Ab2C3Okv (ORCPT ); Fri, 30 Mar 2012 10:40:51 -0400 Received: by qadc11 with SMTP id c11so436515qad.19 for ; Fri, 30 Mar 2012 07:40:51 -0700 (PDT) Message-ID: <4F75C634.1010400@gmail.com> (sfid-20120330_164104_984770_CD30A373) Date: Fri, 30 Mar 2012 10:41:56 -0400 From: Richard Farina MIME-Version: 1.0 To: Johannes Berg CC: Sujith Manoharan , "Luis R. Rodriguez" , Hauke Mehrtens , linux-wireless Subject: Re: [PATCH 0/2] compat: fix extreme build slowdowns References: <1333105815.3908.11.camel@jlt3.sipsolutions.net> <20341.39041.645223.592030@gargle.gargle.HOWL> <1333107022.3908.16.camel@jlt3.sipsolutions.net> In-Reply-To: <1333107022.3908.16.camel@jlt3.sipsolutions.net> Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 03/30/12 07:30, Johannes Berg wrote: > On Fri, 2012-03-30 at 16:56 +0530, Sujith Manoharan wrote: >> Johannes Berg wrote: >>> Somehow exporting too many variables completely confuses the kernel's >>> Makefiles into trying to calculate the size of every file in a very slow >>> shell script ... this is causing EXTREME build slowdowns for me. >>> >>> These two patches fix it. >> Nice. >> >> Trying to build ath9k.. >> >> Before: >> >> real 1m18.689s >> user 3m1.382s >> sys 0m6.833s >> >> After: >> >> real 0m42.091s >> user 1m30.024s >> sys 0m5.700s Please put this in stable as well, seems like a good thing ;-) Thanks, Rick > Yeah, I also see about 50% build time now with everything in cache, if > the files it's sizing up aren't in cache then it can be much slower with > the old version. > > johannes > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >