Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp119050ybz; Tue, 28 Apr 2020 19:41:19 -0700 (PDT) X-Google-Smtp-Source: APiQypIKThH3KHekuFKFKy26CbVbKeutyEmcfmtZ9JWnSB7tIe0VK/9oViuVoy/NqRy6TNkoQ23i X-Received: by 2002:a17:906:46da:: with SMTP id k26mr689411ejs.106.1588128079439; Tue, 28 Apr 2020 19:41:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588128079; cv=none; d=google.com; s=arc-20160816; b=Sjae8RCddcOpEbC3CVx8J4Vql+/oVijjMrgz4wq0henmLlm1b556MWhqVx0b8jYnWG oChpvF4UXv8OtVL10mCtt9IYz4pSgq0Nxqsxemuf2IYtzF5EOzgC+6jnL8F3FdXzKGZR tV2+KsOa/0pZvuDnkH+hL9qjau1A0yiIdZp2L+jNphopWce+0vFzkSaSR1IKie4nLZpR 9yDoAITgF6Ts/lodY3LfTTaQl93+nhGLubguNNhQKizYzOX7NyHgySycjDpe9teF4Xy+ VhpIgzBT3xN8HVGY4m8dhilC69NNw2bj9t/wzzQARqJ1IItEsXTQoxP+LLpG2aQ6Z+LB 5SPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature:dkim-filter; bh=kIACvKnbNQjmmvD9XNnXXeDcJn3YI4tRb66fZvzH6o0=; b=Z5xR3sesqQsIbg3tq/ruYe/Q+6mh7vSdBH9LmXkhmn2RLNk2OZfGzx70WEaoE3DNVE wA1as8CHkPLW+F1qUKCx4chgpr+RaUkYH3CBZrr6LVB+y2trG2FgmRcAGenY0BU2nRI8 6BR89oYLaguHxb0+OCrs5cg/mXkO6K1bSoViwqAoxJnH1BP4HktvSWqvGSGF8kKhzsl6 qtdkU19IcrbQxhl+SskhXhfKb9lTj6pcoFsig1sVdI65guwyWW6M+9zsbUFD0ykcxbzB 9XrrGJq0F9D0jT4gkYTnJL7oUm9unMtDy9ESR57VjYl8AYyHkZePQ+2cFMd2b2QZRsJF LkSw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=1cVlTgtd; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w22si2798153edu.568.2020.04.28.19.40.56; Tue, 28 Apr 2020 19:41:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=1cVlTgtd; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726511AbgD2Cj1 (ORCPT + 99 others); Tue, 28 Apr 2020 22:39:27 -0400 Received: from conssluserg-03.nifty.com ([210.131.2.82]:38533 "EHLO conssluserg-03.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726345AbgD2Cj0 (ORCPT ); Tue, 28 Apr 2020 22:39:26 -0400 Received: from mail-vs1-f42.google.com (mail-vs1-f42.google.com [209.85.217.42]) (authenticated) by conssluserg-03.nifty.com with ESMTP id 03T2cw95003502; Wed, 29 Apr 2020 11:38:59 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com 03T2cw95003502 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1588127939; bh=kIACvKnbNQjmmvD9XNnXXeDcJn3YI4tRb66fZvzH6o0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=1cVlTgtdT4Ze4na5pj7IAc2NYgNk2ylZxPHOfpt61kpTZIbSilpO7JhIq30479+FY nlw6qbetxb6UzLkfMk0q39EBaAFGpppH1WTvlZJNZ/R7R8U/IqkB82fno6HNhEQjeA DVGKsjqI9rBAU75zCuBhh1Ys0FhcNJeWx/PRIH4lrlEgG+M8Sdaf9ZMSClBXtommLX 8kkCtxlK3KB7/1CEpnheJblngxDGCUckcUhCapePv+/kAz8/ihRy85BB15osC2Fp3Y HWz6lQAfDrhWJsQXaFyfheRKbUp8t8WJCiHZc+o83HKnNRR5ujg+zI8mRPlVFPkdqk rgF5kTwNhPASw== X-Nifty-SrcIP: [209.85.217.42] Received: by mail-vs1-f42.google.com with SMTP id s11so357926vsm.3; Tue, 28 Apr 2020 19:38:59 -0700 (PDT) X-Gm-Message-State: AGi0Pua2LuB2zvD8DI0EYTyDVh3qUAIx/Cs4x3I0+0BAZjoJIOJmJEDA mrji9wueqgWUrUgmk/k9pGfUjRyrSal38HhULFo= X-Received: by 2002:a67:e94d:: with SMTP id p13mr23892835vso.215.1588127938122; Tue, 28 Apr 2020 19:38:58 -0700 (PDT) MIME-Version: 1.0 References: <20200423073929.127521-1-masahiroy@kernel.org> <20200425115303.GA10048@ravnborg.org> In-Reply-To: <20200425115303.GA10048@ravnborg.org> From: Masahiro Yamada Date: Wed, 29 Apr 2020 11:38:22 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 00/16] kbuild: support 'userprogs' syntax To: Sam Ravnborg Cc: Linux Kbuild mailing list , bpf , Alexei Starovoitov , Andrii Nakryiko , Christian Brauner , Daniel Borkmann , "David S. Miller" , Jakub Kicinski , John Fastabend , Jonathan Corbet , KP Singh , Martin KaFai Lau , Michal Marek , Song Liu , Tomas Winkler , Yonghong Song , "open list:DOCUMENTATION" , Linux Kernel Mailing List , Networking Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Sam, On Sat, Apr 25, 2020 at 8:53 PM Sam Ravnborg wrote: > > Hi Masahiro > > On Thu, Apr 23, 2020 at 04:39:13PM +0900, Masahiro Yamada wrote: > > > > Several Makefiles use 'hostprogs' for building the code for > > the host architecture is not appropriate. > > > > This is just because Kbuild does not provide the syntax to do it. > > > > This series introduce 'userprogs' syntax and use it from > > sample and bpf Makefiles. > > > > Sam worked on this in 2014. > > https://lkml.org/lkml/2014/7/13/154 > > I wonder how you managed to dig that up, but thanks for the reference. I just remembered your work back in 2014. I did not remember the patch title exactly, but I searched for 'From: Sam Ravnborg' and 'To: linux-kbuild@vger.kernel.org' in my mail box. -- Best Regards Masahiro Yamada