From patchwork Mon Mar 1 16:10:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 389696 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT 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 14AC1C433E0 for ; Mon, 1 Mar 2021 18:27:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BDC5B60202 for ; Mon, 1 Mar 2021 18:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231960AbhCAS0j (ORCPT ); Mon, 1 Mar 2021 13:26:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:40750 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239044AbhCASUd (ORCPT ); Mon, 1 Mar 2021 13:20:33 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id B7090651F1; Mon, 1 Mar 2021 17:19:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614619194; bh=7mrbYD9fUMsQfvKKK4kV7DA+2663XW+BrNWqORLfTUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C4adSLHnHsV0byV23+VgAR4YExn8/lFjXAWe7e/s2hEtBLqpk/yrrji42bCa9hURb BJWEB1y8h2UzwmFc3sVFDWFg8hBGxcxEhCliLAEiKQ3LLNC7i3vUoiFrSbNdXLIRUw SpCaRlG0flgFwp3SnmroToaAr95MhFo6YbbNyheY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Safonov , Namhyung Kim , Alexander Shishkin , Dmitry Safonov <0x7f454c46@gmail.com>, Jacek Caban , Jiri Olsa , Mark Rutland , Peter Zijlstra , Remi Bernon , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 5.10 367/663] perf symbols: Use (long) for iterator for bfd symbols Date: Mon, 1 Mar 2021 17:10:15 +0100 Message-Id: <20210301161200.002005524@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161141.760350206@linuxfoundation.org> References: <20210301161141.760350206@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dmitry Safonov [ Upstream commit 96de68fff5ded8833bf5832658cb43c54f86ff6c ] GCC (GCC) 8.4.0 20200304 fails to build perf with: : util/symbol.c: In function 'dso__load_bfd_symbols': : util/symbol.c:1626:16: error: comparison of integer expressions of different signednes : for (i = 0; i < symbols_count; ++i) { : ^ : util/symbol.c:1632:16: error: comparison of integer expressions of different signednes : while (i + 1 < symbols_count && : ^ : util/symbol.c:1637:13: error: comparison of integer expressions of different signednes : if (i + 1 < symbols_count && : ^ : cc1: all warnings being treated as errors It's unlikely that the symtable will be that big, but the fix is an oneliner and as perf has CORE_CFLAGS += -Wextra, which makes build to fail together with CORE_CFLAGS += -Werror Fixes: eac9a4342e54 ("perf symbols: Try reading the symbol table with libbfd") Signed-off-by: Dmitry Safonov Acked-by: Namhyung Kim Cc: Alexander Shishkin Cc: Dmitry Safonov <0x7f454c46@gmail.com> Cc: Jacek Caban Cc: Jiri Olsa Cc: Mark Rutland Cc: Peter Zijlstra Cc: Remi Bernon Link: http://lore.kernel.org/lkml/20210209145148.178702-1-dima@arista.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/util/symbol.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 0d14abdf3d722..da6036ba0cea4 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1561,12 +1561,11 @@ static int bfd2elf_binding(asymbol *symbol) int dso__load_bfd_symbols(struct dso *dso, const char *debugfile) { int err = -1; - long symbols_size, symbols_count; + long symbols_size, symbols_count, i; asection *section; asymbol **symbols, *sym; struct symbol *symbol; bfd *abfd; - u_int i; u64 start, len; abfd = bfd_openr(dso->long_name, NULL);