From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB5193032D for ; Wed, 8 Nov 2023 15:11:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="a4Mk9mfH" Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08788188 for ; Wed, 8 Nov 2023 07:11:42 -0800 (PST) Received: by mail-lf1-x129.google.com with SMTP id 2adb3069b0e04-507a3af69d8so2205150e87.0 for ; Wed, 08 Nov 2023 07:11:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1699456300; x=1700061100; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=UUxKSl5xvPnPZc8xesOknmD+ele1gvP9a4k80mJzrYs=; b=a4Mk9mfHLqk/vZgx/naAa18UdyyXhBudweECCBHX+AUJfgMQsOrAzKkSIMmNQlNHZn pJAL6L6vCB6IbFs0U5BY/B8tzRynpcJWtXMCsNk4DVDyj9Pz1QabIrc6xPB/f03BpXup 6Y/dhf11TvJHk2m9lUcBJkSMHLeWaN9I1yAkLlbrzoyQKoySFxlwbpLLFb8xpnvR20qF O8U5H90TVJQSG1z2UpZFkAhYGb08572T3dLPvBOJx0mCD3OwreILHETE5ZP74seQ2wmP Nz+Nx5O6eUtx6dBGYb+WTJ+r/z5VzLfWRXXhXa8HhXr2oVRbS7MxetIwjF+oUEdmUm8e 7Oog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699456300; x=1700061100; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UUxKSl5xvPnPZc8xesOknmD+ele1gvP9a4k80mJzrYs=; b=X2sqfAwOhuiHussWZgNPAW6rx9OuXuBsecO9XOdGvOWkoo+poes39gsUJDLkhtIbLh TZPhTyw5jJfNoV10wrDan/r+YwuS7hX+bZ9B8a9laLEaxoONwqmAbrg5XJW0atfrQeGu 8HGz83bH2EeZKEKMKDrabnRMzoL4INCSzC8e62KFrKtNmEpd9xgQfKVwjXE7j+PliCHr 0VaAvFHfp3sCxGgL+QH+Ki5oSZGlRIlZ0PnxGAqz+/4mHSb8Uk7ncxuP/fgeEcKX+lbO ZMsoaiGQILozQHEHjrEF0jOKE4Z8cwvkkxIQlkAZDlkhpmNZEWuI3blaHF47u0nhyj8/ A7dg== X-Gm-Message-State: AOJu0Yz9YffskZRxQceg9Xek5ghrpap59rJ3L5fN5aKiV2lzoJPgZkB8 OPffWB6WXjTDKkSvVukQGKWysg== X-Google-Smtp-Source: AGHT+IGgd3SIwzRo05crHQZcZdIwfB08YjDuFbDQxrEcjaJXxfyUwP7xDu63tVHI4IbBCdiWq8CvpQ== X-Received: by 2002:a19:ad45:0:b0:509:3806:b86 with SMTP id s5-20020a19ad45000000b0050938060b86mr1403227lfd.3.1699456300131; Wed, 08 Nov 2023 07:11:40 -0800 (PST) Received: from ?IPV6:2a01:e0a:999:a3a0:22d4:745b:9658:6dd? ([2a01:e0a:999:a3a0:22d4:745b:9658:6dd]) by smtp.gmail.com with ESMTPSA id m13-20020adffa0d000000b003143867d2ebsm5159107wrr.63.2023.11.08.07.11.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Nov 2023 07:11:39 -0800 (PST) Message-ID: Date: Wed, 8 Nov 2023 16:11:39 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 05/20] dt-bindings: riscv: add scalar crypto ISA extensions description Content-Language: en-US To: Conor Dooley Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Albert Ou , Jonathan Corbet , Andrew Jones , Evan Green , Samuel Ortiz References: <20231107105556.517187-1-cleger@rivosinc.com> <20231107105556.517187-6-cleger@rivosinc.com> <20231108-grower-handwash-63526d449e9c@spud> From: =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= In-Reply-To: <20231108-grower-handwash-63526d449e9c@spud> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 08/11/2023 15:57, Conor Dooley wrote: > Yo, > > On Tue, Nov 07, 2023 at 11:55:41AM +0100, Clément Léger wrote: >> + - const: zkr >> + description: >> + The standard Zkr entropy source extension as ratified in version >> + 1.0 of RISC-V Cryptography Extensions Volume I specification. > > So the topic of the seed CSR came up on the U-Boot ML in the last few > days: > https://lore.kernel.org/u-boot/20231107212431.GP6601@bill-the-cat > I think we need to document that having zkr in riscv,isa-extensions > means that the CSR is accessible at the privilege level to which that > devicetree has been provided. Hi Conor, Indeed, seems like a good idea. Thanks, Clément