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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04B4DC77B60 for ; Mon, 1 May 2023 02:09:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230127AbjEACJt (ORCPT ); Sun, 30 Apr 2023 22:09:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229531AbjEACJs (ORCPT ); Sun, 30 Apr 2023 22:09:48 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93607E48; Sun, 30 Apr 2023 19:09:47 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-63b733fd00bso1474742b3a.0; Sun, 30 Apr 2023 19:09:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682906987; x=1685498987; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=5Eyk0PLYhUbjWE4n42jdym7EnheKNlKKYg75uVcYf1E=; b=ej2DORolgq6APTgaWGF1rTxecNFSAGY5zNWHqwVAspQ+BEOHZDJl9TcpsOppeV1lAq 0NUUH7Q+8cV6fMf4exeSQFzbHTefqWRHGfI4I3pS5D5G1B+eAW3KHLMnTY8bRBiH2ksU ICcFD4USx3vGd6v3ZKhIPPB1hbPTuyYL0JGin8RwiDqupEd/m0INjonmUH8Udg4KZdmM 7GNUjQTo614dgYHJyj7Ir67CVRNezwK/NGzh/FdvrLHIkGf/o7N7v28oCEBTDI1Gsqti KaWgnbSf6nc1iaFsCd9ZiEB+Mr7zxsQw/xKFyAD/kGm9m+6fhsyENX8wl97fnsCOVCGP P3PQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682906987; x=1685498987; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5Eyk0PLYhUbjWE4n42jdym7EnheKNlKKYg75uVcYf1E=; b=AtDjeH8ceShkKC1dZoYIwHmP5kqnmT0OenPx1M4s78omQeojXH01SLcWT5IeoZJObj vo6DiSCCslkpXL2ET4i5JZV6gV8HoO1liYVigu5ZCYjxUoUfiayCA/80GqHUv6FsELJf ntsIb1lnI4jidtQky57PQFj1+z9HZESP96KY3FbEHQag7HNKWfBuvC+w1KW+Pxc4YyIK 9pzrStj7Aglh0rZu4Iz/tz/TmsvA12ZvpMCdM2/iGPy0TtG3u2j04rmIK2JFB4sKWtsA 0DdAsOl70u5YeyJeSs2t8btXn/sLgV+vACn4a60EbjGriGQLDTJe6LJeJH/zuZ5JbO9O Ezfw== X-Gm-Message-State: AC+VfDwrLO+Iv6Lz8T8WV44vty6rEB9AgKFrlZQ07fIJT3xdT9hXnKYF Q9EPxTk/7nOSOytITy1Z1QU= X-Google-Smtp-Source: ACHHUZ69nIYLcyx16E+QD4v/GxJx1YWnJb6Yvw3BH6GzJZBaGWcw5IirZSSt9zK4kdUWwtnp2goVqg== X-Received: by 2002:a05:6a20:7f97:b0:f3:67da:9db5 with SMTP id d23-20020a056a207f9700b000f367da9db5mr16782949pzj.38.1682906986948; Sun, 30 Apr 2023 19:09:46 -0700 (PDT) Received: from [192.168.43.80] (subs02-180-214-232-13.three.co.id. [180.214.232.13]) by smtp.gmail.com with ESMTPSA id w132-20020a62828a000000b00639eb4480f3sm18879586pfd.76.2023.04.30.19.09.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 30 Apr 2023 19:09:46 -0700 (PDT) Message-ID: <87275ef5-11bd-0574-5178-ad6119f3fa33@gmail.com> Date: Mon, 1 May 2023 09:09:38 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH 4/4] riscv: Enable perf counters user access only through perf To: Alexandre Ghiti , Jonathan Corbet , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Paul Walmsley , Palmer Dabbelt , Albert Ou , Atish Patra , Anup Patel , Will Deacon , Rob Herring , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org References: <20230413161725.195417-1-alexghiti@rivosinc.com> <20230413161725.195417-5-alexghiti@rivosinc.com> Content-Language: en-US From: Bagas Sanjaya In-Reply-To: <20230413161725.195417-5-alexghiti@rivosinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org On 4/13/23 23:17, Alexandre Ghiti wrote: > +The default value is 2, it enables the legacy mode, that is user space has > +direct access to cycle, time and insret CSRs only. > "The default value is 2, which enables legacy mode (user space has direct access to cycle, time, and insret CSRs only)." -- An old man doll... just what I always wanted! - Clara