From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH] x86: Add optimized popcnt variants Date: Tue, 09 Mar 2010 16:50:40 +0100 Message-ID: <1268149840.5037.3.camel@laptop> References: <20100223155852.GF30382@aftab> <4B84118C.90203@zytor.com> <20100223175457.GA2401@aftab> <4B841BC3.1000908@zytor.com> <20100223190614.GB2401@aftab> <4B875BBD.4060104@zytor.com> <20100226074714.GA15310@aftab> <4B88097E.7010608@zytor.com> <20100227082807.GA21706@aftab> <4B8979DA.9000201@zytor.com> <20100309153628.GA2371@aftab> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "H. Peter Anvin" , Michal Marek , linux-kbuild , Andrew Morton , Wu Fengguang , LKML , Jamie Lokier , Roland Dreier , Al Viro , "linux-fsdevel@vger.kernel.org" , Ingo Molnar , Brian Gerst To: Borislav Petkov Return-path: Received: from casper.infradead.org ([85.118.1.10]:36673 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754960Ab0CIPuu (ORCPT ); Tue, 9 Mar 2010 10:50:50 -0500 Received: from e35131.upc-e.chello.nl ([213.93.35.131] helo=dyad.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.69 #1 (Red Hat Linux)) id 1Np1ho-0005Cv-1S for linux-fsdevel@vger.kernel.org; Tue, 09 Mar 2010 15:50:48 +0000 In-Reply-To: <20100309153628.GA2371@aftab> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, 2010-03-09 at 16:36 +0100, Borislav Petkov wrote: > > On 02/27/2010 12:28 AM, Borislav Petkov wrote: > > > Yeah, let's give it another round of testing and queue it for .35 - > > > AFAIR Ingo runs also a wide testing effort so it spending another cycle > > > in -tip and being hammered on by us could give us a bit more certainty. > > > > > > > Yes, if we can get into -tip then we'll get more test coverage, so I'll > > queue it up for .35 as soon as the merge window closes. Please remind > > me if I forget. > > Hi Peter, > > I see that you've added the HWEIGHT-capitalized interfaces for > compile-time constants with fce877e3. Which means, the bits in > from your original patch at > http://lkml.org/lkml/2010/2/4/119 need changing (or have changed already > but I've missed them). > > IOW, where can I get the current version of that last patch so that I can > base my __arch_hweightXX stuff ontop of it for testing? Should all be fine as it is, that patch ( http://lkml.org/lkml/2010/2/4/119 ) is against a kernel with fce877e3 in, I've just checked and it still applies to tip/master as of this writing (although it grew a single 2 line offset for 1 hunk).