From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH] x86: Add optimized popcnt variants Date: Fri, 26 Feb 2010 09:48:46 -0800 Message-ID: <4B88097E.7010608@zytor.com> References: <20100222141737.GB21233@aftab> <4B82BD01.3030008@zytor.com> <20100222184945.GD21233@aftab> <4B82E144.1050007@zytor.com> <20100223155852.GF30382@aftab> <4B84118C.90203@zytor.com> <20100223175457.GA2401@aftab> <4B841BC3.1000908@zytor.com> <20100223190614.GB2401@aftab> <4B875BBD.4060104@zytor.com> <20100226074714.GA15310@aftab> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Michal Marek , linux-kbuild , Peter Zijlstra , Andrew Morton , Wu Fengguang , LKML , Jamie Lokier , Roland Dreier , Al Viro , "linux-fsdevel@vger.kernel.org" , Ingo Molnar , Brian Gerst , Andrew Morton To: Borislav Petkov Return-path: In-Reply-To: <20100226074714.GA15310@aftab> Sender: linux-kbuild-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On 02/25/2010 11:47 PM, Borislav Petkov wrote: > From: "H. Peter Anvin" > Date: Thu, Feb 25, 2010 at 09:27:25PM -0800 > >> OK, this patch looks pretty good now, but I'm completely lost as to >> what the baseline of this patch is supposed to be. > > Yeah, this is based on PeterZ's http://lkml.org/lkml/2010/2/4/119 > > But I'm not sure which tree has it... > Looks like -mm, which really means that either Andrew has to take your patch, too, or we have to wait until that is upstream until we can merge your patch. I'm a little nervous about just acking the patch and telling Andrew to test it, because I don't know what the fallout would look like. I'm particularly concerned about gcc version dependencies. I guess, on the other hand, if it ends up not getting merged until .35 it's not a huge deal either. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.