From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FD9CC4360F for ; Thu, 21 Mar 2019 16:39:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D233721916 for ; Thu, 21 Mar 2019 16:39:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ooo3Rg35" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728582AbfCUQjX (ORCPT ); Thu, 21 Mar 2019 12:39:23 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:45810 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727921AbfCUQjW (ORCPT ); Thu, 21 Mar 2019 12:39:22 -0400 Received: by mail-qt1-f194.google.com with SMTP id v20so7283409qtv.12 for ; Thu, 21 Mar 2019 09:39:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=EvJYP6Th87NC7DBukEZL7siMEprNA22crit+VNHzh24=; b=Ooo3Rg35RTwFxlhp8Rj4Isl7A1qbh6VkqR1wjIfoCga1t7gBT3My+GfXFnf7caZ4ij RRXYExah0zeMQefMTR6QS9WQdKQwo97gSLeDRkzw3BU/J4EDvV0VWUhdOiDPsXy7JYRo rGKg5GqDC8ZjY0IsoDkh0/ZhuSsaDjMNMZt6IIwmNgSyAzBaaUTFqWJ4knb7Wq3XJp6w cbL/Xpx0cZWAfiU8Vxv2cAPY6b7QVDkt9I2e9kfc+tun/dlHbclNVoB8aVUBdsPYJvB9 NqE/lnwm11P+1z7WGNDnYpT9wG0YmzBTqk8SneoDiFY5UPTHj4GJXzGG415t6gDFMJ4a xouA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=EvJYP6Th87NC7DBukEZL7siMEprNA22crit+VNHzh24=; b=detTWCVcWOwqr71Z/rHmsCONHp5IKhAq50PaKr9gdDyWf7IvPiYvAe7F6D87ir2hho n9Ln6JLDx2wCBvsOuzHNhlPEIIPXQSrXtuEe9fYaeP1l/5rI/8dCg7678xPHybDKgY9Q ekWMJKkSWHtuoIDawRyjMn7+WPr3lddCvRuidrJZZ9r1iEuDf12MC7+tZlfAQzZ/TxMD 6jxMOY6h4Fduf0GXWzU2F9W04qsSjKk5Upg3u+ly4eNADfuJVCgQhGqn+vIvI6L/G5iy epMDFoOyayy5i8mOXeOi1Ebj0mKokEGEvw3RL9znemvrvLL2wV8E7WsYv1h6HRN//Nhz NjYA== X-Gm-Message-State: APjAAAU6uuS6njghEawm4ttHZPNN2Ti18x6NU2DP22ZQIh6f/cEO/v/t deP/IuBPLE8ZvWgRr3G4gh4= X-Google-Smtp-Source: APXvYqwEA9Enw+H3ybuU6oeJvX0VmvJoDjOkrrDXDH8qCW8DQAp0cV3BLDf1u03gptGYiWNq8CxOpQ== X-Received: by 2002:a0c:d483:: with SMTP id u3mr4014262qvh.54.1553186361535; Thu, 21 Mar 2019 09:39:21 -0700 (PDT) Received: from quaco.ghostprotocols.net ([190.15.121.82]) by smtp.gmail.com with ESMTPSA id g65sm2993130qkf.52.2019.03.21.09.39.20 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 21 Mar 2019 09:39:20 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id D52494039C; Thu, 21 Mar 2019 13:39:17 -0300 (-03) Date: Thu, 21 Mar 2019 13:39:17 -0300 To: Daniel Thompson Cc: Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Kim Phillips , linux-kernel@vger.kernel.org, patches@linaro.org Subject: Re: [PATCH] perf arm64: Use local headers for target compiler Message-ID: <20190321163917.GH3967@kernel.org> References: <20190321161353.16198-1-daniel.thompson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190321161353.16198-1-daniel.thompson@linaro.org> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Thu, Mar 21, 2019 at 04:13:53PM +0000, Daniel Thompson escreveu: > Currently the set of available syscalls is generated from the > target compilers default > (i.e. /usr/include/asm-generic/unistd.h on a self-hosted system). It shouldn't, Kim? > The numeric values are then generated by the host compiler using > tools/include/uapi/asm/unistd.h . > > This leads to some nasty version skew problems (including failed perf > builds if you are running a bleeding edge distro and want to build an > older version of perf for testing). > > Let's make the target compiler use the local headers too. > > Signed-off-by: Daniel Thompson > --- > tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > index c88fd32563eb..1aca6a839e4f 100755 > --- a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > +++ b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > @@ -56,7 +56,7 @@ create_table() > echo "};" > } > > -$gcc -E -dM -x c $input \ > - |sed -ne 's/^#define __NR_//p' \ > - |sort -t' ' -k2 -nu \ > +$gcc -I $incpath/include/uapi -E -dM -x c $input \ > + |sed -ne 's/^#define __NR_//p' \ > + |sort -t' ' -k2 -nu \ > |create_table > -- > 2.20.1 -- - Arnaldo