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 186FBC433FE for ; Sat, 25 Dec 2021 10:11:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231338AbhLYKL0 (ORCPT ); Sat, 25 Dec 2021 05:11:26 -0500 Received: from smtp-relay-internal-0.canonical.com ([185.125.188.122]:52936 "EHLO smtp-relay-internal-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229680AbhLYKLZ (ORCPT ); Sat, 25 Dec 2021 05:11:25 -0500 Received: from mail-lj1-f197.google.com (mail-lj1-f197.google.com [209.85.208.197]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 23BC23F1F2 for ; Sat, 25 Dec 2021 10:11:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1640427078; bh=I39oV/QZaWmlVgFT3DcbTijQiyG6xjSwFwSGQ0EVsOQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EZQT3CtUQQ2gvjtwuwPnEYjZUl4pc0oL9rjmPqp4yF6mih0UOGbsk4FChjYQ97Iy8 q4nRYtKlbEot5dC7VrKiGkTpY/BmD2xf4bF0AYrUV8Us5eaSvIpyf9um644hN4grVd CrUtw+Q7u4HppHy3KBPZ2MMdx9WqLvqqvY7qQHOLEDrDCviNqGKbE9cMRWBqvIeD2z xh5jyWaYfX+8QqmxXgy0xWAb6saP2na+4sVZyCFVaM/fdmyR7kMQ6MzGMlYxYy3eSf HwMSDJPadMyu/w31bb/v6gEIkteqond5l5j8jzLj4eTuOdJZOtMXKPLWsDXq8xxIYv WvS5uamwnQiAA== Received: by mail-lj1-f197.google.com with SMTP id k20-20020a2e9214000000b0022d6b13bc8aso2874066ljg.13 for ; Sat, 25 Dec 2021 02:11:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=I39oV/QZaWmlVgFT3DcbTijQiyG6xjSwFwSGQ0EVsOQ=; b=27LCy/7nM78zIiD+X+1CidWIsr5MEtJ/n90GaAEx06fF4VoVnnrlUgulGzt2EdK8rj G5BkRD2YTZEAz+BlZO2ZTkLTZKtzxgvb6pnS09FTrKb4OX2oQd7ujM78SJAVqv6qMU3I axUNwwY8KURtIvvIzuJz6Rbwg1TSv3kqy3Z3sJQA8oMzDyiBAUnq8nK8Cz81LcACS7yt 9KIYH1GAn83JBetAD5nWxmyx67IizLHvLV5IRFjChkGDjXg2c2GkgNN9yvFEogRVYgR/ V1nrOkIXowuxLmLlcTO1GDzbuXwzPFsynf9o+N8cKEbf2gYXEqtntjsAD8oDw6mWrMS8 S1YQ== X-Gm-Message-State: AOAM533Jc1mLGXmQQlEftOcPIWS6VpS+kN6hiQpEosmxEoVO6TONbqJu aPOdcdu8cyRVSRySkDJ2y1X4R5fvscNY/aqYchyt9CdqQXSkjymMvJqyPkgp5hY9dK/dnBFNz4w QfzePiMJNIkIOvRk76uDqOb5ZLyT6Gho1PHVzuuQ/Nw== X-Received: by 2002:ac2:4e06:: with SMTP id e6mr7482614lfr.295.1640427077521; Sat, 25 Dec 2021 02:11:17 -0800 (PST) X-Google-Smtp-Source: ABdhPJx4sjq+1CG+HpXFM71RWmF3bJveHv7XWD7dzylenrpt+oIJERl9BtbYscnpD8bEiahaL/dhKw== X-Received: by 2002:ac2:4e06:: with SMTP id e6mr7482598lfr.295.1640427077285; Sat, 25 Dec 2021 02:11:17 -0800 (PST) Received: from [192.168.3.67] (89-77-68-124.dynamic.chello.pl. [89.77.68.124]) by smtp.gmail.com with ESMTPSA id f19sm183205lfv.100.2021.12.25.02.11.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 25 Dec 2021 02:11:16 -0800 (PST) Message-ID: Date: Sat, 25 Dec 2021 11:11:15 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Subject: Re: [PATCH v1 1/2] RISC-V: Provide a framework for parsing multi-letter ISA extensions Content-Language: en-US To: Atish Patra , linux-kernel@vger.kernel.org Cc: Atish Patra , Albert Ou , Anup Patel , Damien Le Moal , devicetree@vger.kernel.org, Jisheng Zhang , linux-riscv@lists.infradead.org, Palmer Dabbelt , Paul Walmsley , Rob Herring References: <20211224211632.1698523-1-atishp@rivosinc.com> <20211224211632.1698523-2-atishp@rivosinc.com> From: Krzysztof Kozlowski In-Reply-To: <20211224211632.1698523-2-atishp@rivosinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/12/2021 22:16, Atish Patra wrote: > Recently, there were 15 specifications/40 ISA extensions were ratified. > Except hypervisor ('H') extension, all of them are multi-letter extensions. > Going forward, there will be more number of multi-letter extensions as > well. Parsing all of these extensions from ISA string is not scalable. > Thus, this patch provides a DT based framework to for easy parsing and > querying of any ISA extensions. It facilitates custom user visible strings > for the ISA extensions via /proc/cpuinfo as well. > > Currently, there are no platforms with heterogeneous Linux capable harts. > That's why, this patch supports only a single DT node which can only work > for systems with homogeneous harts. To support heterogeneous systems, this > cpu node must be a subnode for each cpu. > > Signed-off-by: Atish Patra Your from address does not match SoB. Please use consistent one - they must match. Best regards, Krzysztof