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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5ABA8EF06FA for ; Mon, 9 Feb 2026 00:46:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aY9si+Qc3iQ63j/sZrWnU9kx4PEb0vzzqrLQRO71lAc=; b=p+2+2sRULGTwDbz2HEZgWwPr8/ 8RZ2ai9brCo2TQlb7L499XRxuJLZubPRPYptk82KPK5HEPdEweFHi/UfX8sAgP/bd2I4bt147ANwr P/Id28qy+8173E+r/OCF7Bf5/tR/e+cZb721YxzJH2OxIzrg1aCR86BkEx4O7bDpt3PJhPbbxkq5Q phk6JADUS9zVNcj+iMJIHZcKA4IBmzyoHb+K2veEi/dF2O2HYCtfVLxD6JZIfhyeWlAzaGnUC3JOR dt8BqK/M1h6A3LhV4Z7CLzysozwZ/ZvU8rptDQzUDRdSozfCVvX6QmkjAJ2ZDbrjeD3Ly7MhuWV0Z Xd/aRMtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vpFQ0-0000000EcCl-0TnR; Mon, 09 Feb 2026 00:46:24 +0000 Received: from mgamail.intel.com ([192.198.163.14]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vpFPx-0000000EcCL-1fnV; Mon, 09 Feb 2026 00:46:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770597981; x=1802133981; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=WiDvGdY9/hMNal5D7v3aKwx1iH+Txlyos/k45ceIkMs=; b=mrNeixg56yPxOB1Gh0aHzto5mjzlBrY22U4IzwUMOFMI97rZVj2IHHLB KCxE2waWt6Tnbx9rady9NKQe0O1qBQ5YAmS2JeCtis3ALflD490DzNDUF 977fOEFcyGor39ACVZaBRHRr1Op7PGhTqKfpcGsB7NXjt+PSRE89qQyFL riYdJBkGRVnO6m89r1PLP/L2Rl/MNM8k0y/f5qR7sLU657esmEgfb0dos kpnl9XoC3FEoikH7t30aQjg4fPbSTmMopDov1p8x3t5ermQroJKqCRjdb 9+HXvaxAEJO9UZQ0m8W7MiApStc9jO5I6U0qPviUA52kxz0JLMWkVrEbf A==; X-CSE-ConnectionGUID: StNmmc40R6q4tE2lskWdeQ== X-CSE-MsgGUID: fVMkmU5MTmSli0vo9q4mLw== X-IronPort-AV: E=McAfee;i="6800,10657,11695"; a="71773838" X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="71773838" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2026 16:46:20 -0800 X-CSE-ConnectionGUID: JaHt4qN4Tm2qb/1Ezcgd0Q== X-CSE-MsgGUID: h53wmeBVTmqur7ngxWel6w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,281,1763452800"; d="scan'208";a="242064508" Received: from dapengmi-mobl1.ccr.corp.intel.com (HELO [10.124.240.14]) ([10.124.240.14]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2026 16:46:13 -0800 Message-ID: Date: Mon, 9 Feb 2026 08:46:11 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v3 0/4] Perf tools: perf-regs bug fix and optimization To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Ingo Molnar , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , John Garry , Will Deacon , James Clark , Mike Leach , Guo Ren , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Zide Chen , Falcon Thomas , Dapeng Mi , Xudong Hao References: <20260203024356.444942-1-dapeng1.mi@linux.intel.com> Content-Language: en-US From: "Mi, Dapeng" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260208_164621_455182_9CAAF717 X-CRM114-Status: GOOD ( 15.01 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/6/2026 11:17 PM, Arnaldo Carvalho de Melo wrote: > On Tue, Feb 03, 2026 at 10:43:52AM +0800, Dapeng Mi wrote: >> Changes: >> v2 -> v3: >> * Fix the abort issue for "-I" or "--user-regs" options. (Patch 1/4) >> * Address Ian's comments. > Fixed up somme fuzz with powerpc, x86, riscv and s390 Build files wrt > removing perf_regs.o Thanks.  > > Thanks, applied to perf-tools-next, > > - Arnaldo > >> v1 -> v2: >> * Fixing "PERF_REG_EXTENDED_MASK" redefinition building error by >> changing the "asm/perf_regs.h" header path to relative UAPI path. >> (Patch 1/3) >> * Spliting xxx_reg_mask() and xxx_sdt_arg_parse_op() conversion into 2 >> patches. >> >> This patch-set remove the below three architecture specific __weak >> functions and converted them into the general architecture specific >> functions which are dispatched base on "em_machine". >> >> uint64_t arch__intr_reg_mask(void); >> uint64_t arch__user_reg_mask(void); >> int arch_sdt_arg_parse_op(char *old_op, char **new_op); >> >> The advantage of this conversion is that these architectural functions >> can be called even for a different architecture with host instead of >> only called on the host architecture. >> >> Although the converted functions shown below can be called on any >> architecture, currently they are still only called for the host >> architecture (EM_HOST). >> >> int perf_sdt_arg_parse_op(uint16_t e_machine, char *old_op, char **new_op); >> uint64_t perf_intr_reg_mask(uint16_t e_machine); >> uint64_t perf_user_reg_mask(uint16_t e_machine); >> >> Tests: >> * This patch-set is only tested on x86 platforms. No issues are found >> for both intr-regs and user-regs options. >> * Tests on other architectures are welcomed and appreciated. >> >> History: >> v1: https://lore.kernel.org/all/20260123090938.2222960-1-dapeng1.mi@linux.intel.com/ >> v2: https://lore.kernel.org/all/20260127070259.2720468-1-dapeng1.mi@linux.intel.com/ >> >> Dapeng Mi (4): >> perf regs: Fix abort for "-I" or "--user-regs" options >> perf arch: Update arch headers to use relative UAPI paths >> perf regs: Remove __weak attributive arch__xxx_reg_mask() functions >> perf regs: Remove __weak attributive arch_sdt_arg_parse_op() function >> >> tools/perf/arch/arm/include/perf_regs.h | 2 +- >> tools/perf/arch/arm/util/Build | 2 - >> tools/perf/arch/arm/util/perf_regs.c | 13 - >> tools/perf/arch/arm64/include/perf_regs.h | 2 +- >> tools/perf/arch/arm64/util/Build | 1 - >> tools/perf/arch/arm64/util/perf_regs.c | 141 --------- >> tools/perf/arch/csky/Build | 1 - >> tools/perf/arch/csky/include/perf_regs.h | 2 +- >> tools/perf/arch/csky/util/Build | 1 - >> tools/perf/arch/csky/util/perf_regs.c | 13 - >> tools/perf/arch/loongarch/include/perf_regs.h | 2 +- >> tools/perf/arch/loongarch/util/Build | 1 - >> tools/perf/arch/loongarch/util/perf_regs.c | 13 - >> tools/perf/arch/mips/include/perf_regs.h | 2 +- >> tools/perf/arch/mips/util/Build | 1 - >> tools/perf/arch/mips/util/perf_regs.c | 13 - >> tools/perf/arch/powerpc/include/perf_regs.h | 2 +- >> tools/perf/arch/powerpc/util/Build | 1 - >> tools/perf/arch/powerpc/util/perf_regs.c | 172 ----------- >> tools/perf/arch/riscv/include/perf_regs.h | 9 +- >> tools/perf/arch/riscv/util/Build | 1 - >> tools/perf/arch/riscv/util/perf_regs.c | 13 - >> tools/perf/arch/s390/include/perf_regs.h | 2 +- >> tools/perf/arch/s390/util/Build | 1 - >> tools/perf/arch/s390/util/perf_regs.c | 13 - >> tools/perf/arch/x86/include/perf_regs.h | 2 +- >> tools/perf/arch/x86/util/Build | 1 - >> tools/perf/arch/x86/util/perf_regs.c | 283 ------------------ >> tools/perf/util/evsel.c | 4 +- >> tools/perf/util/parse-regs-options.c | 13 +- >> .../util/perf-regs-arch/perf_regs_aarch64.c | 139 ++++++++- >> .../perf/util/perf-regs-arch/perf_regs_arm.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_csky.c | 7 +- >> .../util/perf-regs-arch/perf_regs_loongarch.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_mips.c | 7 +- >> .../util/perf-regs-arch/perf_regs_powerpc.c | 183 ++++++++++- >> .../util/perf-regs-arch/perf_regs_riscv.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_s390.c | 7 +- >> .../perf/util/perf-regs-arch/perf_regs_x86.c | 281 ++++++++++++++++- >> tools/perf/util/perf_regs.c | 109 ++++++- >> tools/perf/util/perf_regs.h | 27 +- >> tools/perf/util/probe-file.c | 3 +- >> 42 files changed, 787 insertions(+), 724 deletions(-) >> delete mode 100644 tools/perf/arch/arm/util/perf_regs.c >> delete mode 100644 tools/perf/arch/arm64/util/perf_regs.c >> delete mode 100644 tools/perf/arch/csky/Build >> delete mode 100644 tools/perf/arch/csky/util/Build >> delete mode 100644 tools/perf/arch/csky/util/perf_regs.c >> delete mode 100644 tools/perf/arch/loongarch/util/perf_regs.c >> delete mode 100644 tools/perf/arch/mips/util/perf_regs.c >> delete mode 100644 tools/perf/arch/powerpc/util/perf_regs.c >> delete mode 100644 tools/perf/arch/riscv/util/perf_regs.c >> delete mode 100644 tools/perf/arch/s390/util/perf_regs.c >> delete mode 100644 tools/perf/arch/x86/util/perf_regs.c >> >> -- >> 2.34.1 >>