From patchwork Mon May 11 11:32:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matteo Croce X-Patchwork-Id: 219492 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 C1CB5C54E8F for ; Mon, 11 May 2020 11:33:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0CE020708 for ; Mon, 11 May 2020 11:33:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EDO5PDlE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729659AbgEKLdV (ORCPT ); Mon, 11 May 2020 07:33:21 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:30354 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729441AbgEKLcl (ORCPT ); Mon, 11 May 2020 07:32:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589196760; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=hQUkEydOpp6BWEZjpv9SKHKYKamnTJBvfR8HfV65p3I=; b=EDO5PDlEgc1bPLhwB19nvgl8ml0KnuapWx2+XqyDYhtZ/6w0Vc+NdWD1gK1cVpm7lTYamY tiXvWy5oTfSJayUs3Gcw4M4wNCZnOHdVa87x4eWfavqoy/aVXTToxogobP+jtxHumOwqYT MOeL5XHkoB/gPYgS8S2W6Cj+57QkJtk= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-143-CBg9YuoCPhuBo7lN4SbIMw-1; Mon, 11 May 2020 07:32:38 -0400 X-MC-Unique: CBg9YuoCPhuBo7lN4SbIMw-1 Received: by mail-wr1-f72.google.com with SMTP id x8so5104514wrl.16 for ; Mon, 11 May 2020 04:32:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hQUkEydOpp6BWEZjpv9SKHKYKamnTJBvfR8HfV65p3I=; b=bB4zTcco8KSOZeRBdebp7jjRK2gbCf+F8yrtd/2/UUCUKkfZtCBMl445ySN0dcyGN5 +MiSEXdMX92TgCr8xBe4GwoUqkyJVWP13J9mdgTpECFUp4t1UET3DdCVbG/+Qzu3ICbU O7KYiqwBJE2ztPlsKqnjTI6TH+w5nfx/HZG1KMp+gDsPs2Ml+EuTIFX1EudccONrAwUy COvhSu+uVv+PBKq7unILRcpeGhfkPjzeL2eL1NSXnUDQ0U8RVlSEJMVEj/Bk/92VVPv6 2yQ/GcJUG8JocScZ5KEkyD0vM+QV6Q5r5/B3ssQJKT33kMDdv58TfSse8V8Zz9j98kgT eV7Q== X-Gm-Message-State: AGi0Pualj0Y0MHK+Xa3VFQqwv458AdQpp6qZ2NtGX6ugkmlj/K8tULpP 9Dtw1hiWcTxkKTkPM5aN3aTHpI3PVjyFezWvcnQ4m1kAkLaevBMT48g91iEcUaEz+QQ0uFAj4FS HpR5HhC2iYx6MoiAf X-Received: by 2002:adf:f6c4:: with SMTP id y4mr19901706wrp.81.1589196757832; Mon, 11 May 2020 04:32:37 -0700 (PDT) X-Google-Smtp-Source: APiQypJ3X2Ouavx+PztaCv6hUD+xToftSDRS9MEcEfVLu6LTOlsm3dxf6NwZdhPy6/02ob/g675gpA== X-Received: by 2002:adf:f6c4:: with SMTP id y4mr19901675wrp.81.1589196757643; Mon, 11 May 2020 04:32:37 -0700 (PDT) Received: from raver.teknoraver.net (net-2-44-90-75.cust.vodafonedsl.it. [2.44.90.75]) by smtp.gmail.com with ESMTPSA id e22sm1835043wrc.41.2020.05.11.04.32.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2020 04:32:36 -0700 (PDT) From: Matteo Croce To: bpf@vger.kernel.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Alexei Starovoitov , Joe Stringer , Jakub Kicinski Subject: [PATCH bpf] samples: bpf: fix build error Date: Mon, 11 May 2020 13:32:34 +0200 Message-Id: <20200511113234.80722-1-mcroce@redhat.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org GCC 10 is very strict about symbol clash, and lwt_len_hist_user contains a symbol which clashes with libbpf: /usr/bin/ld: samples/bpf/lwt_len_hist_user.o:(.bss+0x0): multiple definition of `bpf_log_buf'; samples/bpf/bpf_load.o:(.bss+0x8c0): first defined here collect2: error: ld returned 1 exit status bpf_log_buf here seems to be a leftover, so removing it. Signed-off-by: Matteo Croce --- samples/bpf/lwt_len_hist_user.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/samples/bpf/lwt_len_hist_user.c b/samples/bpf/lwt_len_hist_user.c index 587b68b1f8dd..430a4b7e353e 100644 --- a/samples/bpf/lwt_len_hist_user.c +++ b/samples/bpf/lwt_len_hist_user.c @@ -15,8 +15,6 @@ #define MAX_INDEX 64 #define MAX_STARS 38 -char bpf_log_buf[BPF_LOG_BUF_SIZE]; - static void stars(char *str, long val, long max, int width) { int i;