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=-6.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 99A1CC433DF for ; Tue, 18 Aug 2020 17:04:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E6FD2067C for ; Tue, 18 Aug 2020 17:04:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hdqN2Rww" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728122AbgHRREv (ORCPT ); Tue, 18 Aug 2020 13:04:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727773AbgHRREn (ORCPT ); Tue, 18 Aug 2020 13:04:43 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B723DC061389; Tue, 18 Aug 2020 10:04:42 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id 185so22208448ljj.7; Tue, 18 Aug 2020 10:04:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=0gFSf9Ewly2JOMGfNm/hfUicHD1OEwAokUx6hde//ag=; b=hdqN2RwwHdlAwbG9EnlErBtJA8l/jXs/P6jNhxlPodR++PkeLfBLqeB7PoPQ8hWmFo fjFlDJkHsrV1c6cGL2bRdDCZV/LT2wFeTbm7EnxfTatbdBqVr7CsIqxk6j4ZKwM0nuZh oMeKV93cxj5UA/e+ehPv7Xw6bw/NT0aEynWX1WzOUm43IholjriJ6+rD2P76KLaI/SxY /Z6/tcDBnSgmL4DovfmSH2t8edN9LvOxkgYdOkV+R49tigkMpS1bNclTxraOYQt1MGbP OHZqdYP/TgmP5ieUJITGzCHtuuFZdnjh/Iv6SewV9MXIcXsSVvyAVQ3BukOPb9gfMLD5 Vbvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=0gFSf9Ewly2JOMGfNm/hfUicHD1OEwAokUx6hde//ag=; b=UIZklBwSBzyExCZljr7m+AGjA5yLNVdaXtAixiPaqJBjpKlza1jRCBJACkMHNBfP9H 2i8mtmd05dwI+nJLQxeQAXk+UYqqeLoqgUk95gkKMx3WzkNMf2zwg+rqsWfrXQ4Y4tNu tAl+WVGEswTmYSUhkuJ7VVEqEkNMBqh4nf0Dl4XXvUbDHT8oL8hu/eU4HjBG9847JPs+ Of9twbyqg6TNIv5Xl4maw7JIh7XG5ZCeRYV+WSAGPSwftk1iREs/LM35LHi2rVFKBEja 33j6uZKBsjPCczh0suHMrbiUyaCKGash+pNHm+xROckoUO+ZOP1Xd3N5X05cqvx1A7xP /J7Q== X-Gm-Message-State: AOAM533vRfKMyeapiaHrxbfKwHKImjGTIjqdzrzcYS6sDxEwse80XnVs S0fM+2f0i35OCgL5A7xhoSUPGPsgQbhGZ4OEBUw= X-Google-Smtp-Source: ABdhPJxhFkdl4wPbe+6azkAT2BYnmocwVLIdEP9T7LsNH3KpHAYtR+16Xb4VpFDzKmI6bm2K9gVngzvJ8y+h5/P8kqs= X-Received: by 2002:a05:651c:82:: with SMTP id 2mr9834422ljq.2.1597770280441; Tue, 18 Aug 2020 10:04:40 -0700 (PDT) MIME-Version: 1.0 References: <20200818164456.1181661-1-andriin@fb.com> In-Reply-To: <20200818164456.1181661-1-andriin@fb.com> From: Alexei Starovoitov Date: Tue, 18 Aug 2020 10:04:29 -0700 Message-ID: Subject: Re: [PATCH bpf] libbpf: fix build on ppc64le architecture To: Andrii Nakryiko Cc: bpf , Network Development , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Kernel Team Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Aug 18, 2020 at 9:47 AM Andrii Nakryiko wrote: > > On ppc64le we get the following warning: > > In file included from btf_dump.c:16:0: > btf_dump.c: In function =E2=80=98btf_dump_emit_struct_def=E2=80=99: > ../include/linux/kernel.h:20:17: error: comparison of distinct pointer = types lacks a cast [-Werror] > (void) (&_max1 =3D=3D &_max2); \ > ^ > btf_dump.c:882:11: note: in expansion of macro =E2=80=98max=E2=80=99 > m_sz =3D max(0LL, btf__resolve_size(d->btf, m->type)); > ^~~ > > Fix by explicitly casting to __s64, which is a return type from > btf__resolve_size(). > > Fixes: 702eddc77a90 ("libbpf: Handle GCC built-in types for Arm NEON") > Signed-off-by: Andrii Nakryiko Applied. Thanks