From patchwork Thu Aug 19 12:19:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hanjun Guo X-Patchwork-Id: 12447115 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 B5A60C4338F for ; Thu, 19 Aug 2021 12:31:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 758256113E for ; Thu, 19 Aug 2021 12:31:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 758256113E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3Tdx78tNlWsMqTl6X0j58PgPooIYhJObstzf2RKLSzg=; b=x0YfdWHvta7aek Z6cGuAQX9UzP0r80q3k8fkrFRAQRW3r/Tf2/nt6PBC8Jqw99WOXmwReVBzoMncIfCyBCTgw13hUpr GjSxhE2WuySm447P7dP+w/HYE+ng3LTCgkz4CPqSiCo+ZPLdYLRpMkKB6HpE5kwEQgMKi9mHVepvY MRDliGlOWSjbHXH2D4ba7L2BYi85xJ6i3LnlEL5LwJGQWlKE0Ps3uYXOLwyu1/rpP8ytGPy9XVyHG lNhHArErVZpmGKeTcv5XGrocOHT/vFrNVAM4uplf9V5NVMtLsQXr8706ow4YBWZYwNYR7Ozd2JbuA 0fOclxkG9pE/x5JFOw3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGhCM-008J0z-Rt; Thu, 19 Aug 2021 12:31:06 +0000 Received: from szxga03-in.huawei.com ([45.249.212.189]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGhCI-008Iyw-6X for linux-riscv@lists.infradead.org; Thu, 19 Aug 2021 12:31:04 +0000 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Gr3yf16r9z87rt; Thu, 19 Aug 2021 20:30:50 +0800 (CST) Received: from dggpemm500002.china.huawei.com (7.185.36.229) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 19 Aug 2021 20:30:58 +0800 Received: from linux-ibm.site (10.175.102.37) by dggpemm500002.china.huawei.com (7.185.36.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 19 Aug 2021 20:30:57 +0800 From: Hanjun Guo To: Greg KH , Sasha Levin , CC: Jianlin Lv , Albert Ou , Alexander Shishkin , Anju T Sudhakar , Athira Jajeev , "Guo Ren" , Kajol Jain , Leo Yan , Mark Rutland , Mathieu Poirier , Namhyung Kim , "Paul Walmsley" , Peter Zijlstra , Ravi Bangoria , Will Deacon , Palmer Dabbelt , , , , "Arnaldo Carvalho de Melo" , Hanjun Guo Subject: [PATCH 5.10.y 4/6] perf tools: Fix arm64 build error with gcc-11 Date: Thu, 19 Aug 2021 20:19:10 +0800 Message-ID: <1629375552-51897-5-git-send-email-guohanjun@huawei.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1629375552-51897-1-git-send-email-guohanjun@huawei.com> References: <1629375552-51897-1-git-send-email-guohanjun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.102.37] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500002.china.huawei.com (7.185.36.229) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210819_053102_748906_FC42138E X-CRM114-Status: GOOD ( 11.58 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Jianlin Lv commit 067012974c8ae31a8886046df082aeba93592972 upstream. gcc version: 11.0.0 20210208 (experimental) (GCC) Following build error on arm64: ....... In function ‘printf’, inlined from ‘regs_dump__printf’ at util/session.c:1141:3, inlined from ‘regs__printf’ at util/session.c:1169:2: /usr/include/aarch64-linux-gnu/bits/stdio2.h:107:10: \ error: ‘%-5s’ directive argument is null [-Werror=format-overflow=] 107 | return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, \ __va_arg_pack ()); ...... In function ‘fprintf’, inlined from ‘perf_sample__fprintf_regs.isra’ at \ builtin-script.c:622:14: /usr/include/aarch64-linux-gnu/bits/stdio2.h:100:10: \ error: ‘%5s’ directive argument is null [-Werror=format-overflow=] 100 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, 101 | __va_arg_pack ()); cc1: all warnings being treated as errors ....... This patch fixes Wformat-overflow warnings. Add helper function to convert NULL to "unknown". Signed-off-by: Jianlin Lv Reviewed-by: John Garry Acked-by: Jiri Olsa Cc: Albert Ou Cc: Alexander Shishkin Cc: Anju T Sudhakar Cc: Athira Jajeev Cc: Guo Ren Cc: Kajol Jain Cc: Leo Yan Cc: Mark Rutland Cc: Mathieu Poirier Cc: Namhyung Kim Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Ravi Bangoria Cc: Will Deacon Cc: Palmer Dabbelt Cc: iecedge@gmail.com Cc: linux-csky@vger.kernel.org Cc: linux-riscv@lists.infradead.org Link: http://lore.kernel.org/lkml/20210218031245.2078492-1-Jianlin.Lv@arm.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Hanjun Guo --- tools/perf/arch/arm/include/perf_regs.h | 2 +- tools/perf/arch/arm64/include/perf_regs.h | 2 +- tools/perf/arch/csky/include/perf_regs.h | 2 +- tools/perf/arch/powerpc/include/perf_regs.h | 2 +- tools/perf/arch/riscv/include/perf_regs.h | 2 +- tools/perf/arch/s390/include/perf_regs.h | 2 +- tools/perf/arch/x86/include/perf_regs.h | 2 +- tools/perf/util/perf_regs.h | 7 +++++++ 8 files changed, 14 insertions(+), 7 deletions(-) diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h index ed20e02..4085419 100644 --- a/tools/perf/arch/arm/include/perf_regs.h +++ b/tools/perf/arch/arm/include/perf_regs.h @@ -15,7 +15,7 @@ #define PERF_REG_IP PERF_REG_ARM_PC #define PERF_REG_SP PERF_REG_ARM_SP -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_ARM_R0: diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h index baaa5e6..fa3e0745 100644 --- a/tools/perf/arch/arm64/include/perf_regs.h +++ b/tools/perf/arch/arm64/include/perf_regs.h @@ -15,7 +15,7 @@ #define PERF_REG_IP PERF_REG_ARM64_PC #define PERF_REG_SP PERF_REG_ARM64_SP -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_ARM64_X0: diff --git a/tools/perf/arch/csky/include/perf_regs.h b/tools/perf/arch/csky/include/perf_regs.h index 8f336ea..25ac3bd 100644 --- a/tools/perf/arch/csky/include/perf_regs.h +++ b/tools/perf/arch/csky/include/perf_regs.h @@ -15,7 +15,7 @@ #define PERF_REG_IP PERF_REG_CSKY_PC #define PERF_REG_SP PERF_REG_CSKY_SP -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_CSKY_A0: diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h index 63f3ac9..004bed2 100644 --- a/tools/perf/arch/powerpc/include/perf_regs.h +++ b/tools/perf/arch/powerpc/include/perf_regs.h @@ -73,7 +73,7 @@ [PERF_REG_POWERPC_SIER3] = "sier3", }; -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { return reg_names[id]; } diff --git a/tools/perf/arch/riscv/include/perf_regs.h b/tools/perf/arch/riscv/include/perf_regs.h index 7a8bcde..6b02a76 100644 --- a/tools/perf/arch/riscv/include/perf_regs.h +++ b/tools/perf/arch/riscv/include/perf_regs.h @@ -19,7 +19,7 @@ #define PERF_REG_IP PERF_REG_RISCV_PC #define PERF_REG_SP PERF_REG_RISCV_SP -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_RISCV_PC: diff --git a/tools/perf/arch/s390/include/perf_regs.h b/tools/perf/arch/s390/include/perf_regs.h index bcfbaed..ce30315 100644 --- a/tools/perf/arch/s390/include/perf_regs.h +++ b/tools/perf/arch/s390/include/perf_regs.h @@ -14,7 +14,7 @@ #define PERF_REG_IP PERF_REG_S390_PC #define PERF_REG_SP PERF_REG_S390_R15 -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_S390_R0: diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h index b732133..cddc4cd 100644 --- a/tools/perf/arch/x86/include/perf_regs.h +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -23,7 +23,7 @@ #define PERF_REG_IP PERF_REG_X86_IP #define PERF_REG_SP PERF_REG_X86_SP -static inline const char *perf_reg_name(int id) +static inline const char *__perf_reg_name(int id) { switch (id) { case PERF_REG_X86_AX: diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h index a454991..eeac181 100644 --- a/tools/perf/util/perf_regs.h +++ b/tools/perf/util/perf_regs.h @@ -33,6 +33,13 @@ enum { int perf_reg_value(u64 *valp, struct regs_dump *regs, int id); +static inline const char *perf_reg_name(int id) +{ + const char *reg_name = __perf_reg_name(id); + + return reg_name ?: "unknown"; +} + #else #define PERF_REGS_MASK 0 #define PERF_REGS_MAX 0