From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DD5F193418 for ; Mon, 30 Sep 2024 17:04:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727715894; cv=none; b=i3pB7c/MMVcxtwyanvUAFKommtf4NI9pHUO2h9pSkF887Vfa/X6W42BOsTHp0855ojB/HstOg7aIaNsOB+2wyQjX+5+mCkrbzeNQw+//Hs02MP8H3dU8vndFgbK/A3nSFNjhNjPFn55iI55DEaRtG4a317FPJeC+8bSCbSVP5ok= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727715894; c=relaxed/simple; bh=DsFjvp6V0bUt3fQrlC3zZfx5v7AY6PiaWkupBsGfwY4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZRGHP/0IqzV8odfhbJGidMDtL/aCm3MrOjT9A8NCK/iEHBjNO1hogqU+eTLl1uT4xbbO59OQx1bUF41999J7q9KYCsAjo9gR/m762s97chk8qdsOh1n0KDffPK2AK8DgYfabrvCqhyI2fOj8d4ntUQxL9Ix8xlhZvW3KsC7l1Ek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=AF5JwnyZ; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com 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="AF5JwnyZ" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-71970655611so4299686b3a.0 for ; Mon, 30 Sep 2024 10:04:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1727715891; x=1728320691; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Xz+bkfejvthPlgPdQSvVCfDsoTn99Xm9hmAjc8LPyr4=; b=AF5JwnyZEVz27AkN3p7pLqlTxziQ0D9gti9i0xwRA56sfE00p2KLl4Bg50fRFG627e /e9wPXVkGHYBEe4RMiyt/H0GFqHlXrD/wIA7oCNUHv6V3/YF7HWZTHRJq/ATePIV3wat BuOMV3qYDVJO7M1LxfnBhP0C3KzVY2ZnHTHPbiFv+3dsQs6c+xovgtZc+nBJaRDQmw7r IA3Z0wY2QbuR/smOalu9YSzz/8DVGN3AjcMIyPd13eWJxJZbwx4CP0VYjepzafUZa9DF pSgBcbQmshGRHGQJk0WSs1OqX/lbIw7P482GvWkzZNkPCpdh94GhPsg8yH+orLS/yqHI I6Yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727715891; x=1728320691; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Xz+bkfejvthPlgPdQSvVCfDsoTn99Xm9hmAjc8LPyr4=; b=VSWyFy1rVIYcCXSxka+RG8HF4VSoMNv8nH4DWHCxaHsDNs2kx/7yRq3c7FZPhtZwTv Ioi5voNzfzbUt2om6mzYGmmOP8SDsdwKk6Lq1ZNgY0I6jnGcFt9PILXf9315TUYEmPsi QAkJUvLrl50q17glJIEER4VwiCD7GyQ3TxvlvQqiw7seXGqBHkU0i2/tWApLYFk5d2c8 cfKGuVz6n9lshXPqG6q0Zdd0D8HxWm6VOH2C35Joy6+5omW1ewAzkyL7qEeUwzxyOQuG XoTAopvxpNnGIOe170tUPXUgT3zeARxcRzQNo8+HnhWS3x2uruz4uV+hnp2QfMqxaXXr Z+mg== X-Forwarded-Encrypted: i=1; AJvYcCXNiv2IfTmxWyxi6yyb5qYKXPc/I974vcVmzTg0n+dJyQXFfSt/mCXkEV7rkypewVfzlVeuOF7kLBWijXE=@vger.kernel.org X-Gm-Message-State: AOJu0YwICQW4wg1yDqHqGRznQwLiyMz1TPdLY6mdIYq+ty66QFYf7Wdf GcJGKwV2EFyX4wq74JdAp/CSEzGhekFGU6K0cInxl+UCKbzgTethdCqhThW22ew= X-Google-Smtp-Source: AGHT+IGj3wqkwReKg8OnHSxdCc7zaYOfFfaOE8qXpsQ0EjTy/gbYQvbdblFQ+sQxStUGKpCkov+09g== X-Received: by 2002:a05:6a00:4fc4:b0:717:950e:b589 with SMTP id d2e1a72fcca58-71b26049452mr18911436b3a.19.1727715891519; Mon, 30 Sep 2024 10:04:51 -0700 (PDT) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e6db2cadcdsm6784562a12.56.2024.09.30.10.04.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 10:04:51 -0700 (PDT) Date: Mon, 30 Sep 2024 10:04:49 -0700 From: Deepak Gupta To: Max Hsu Cc: Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Palmer Dabbelt , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Samuel Holland Subject: Re: [PATCH RFC v2 1/3] dt-bindings: riscv: Add Svukte entry Message-ID: References: <20240927-dev-maxh-svukte-rebase-2-v2-0-9afe57c33aee@sifive.com> <20240927-dev-maxh-svukte-rebase-2-v2-1-9afe57c33aee@sifive.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20240927-dev-maxh-svukte-rebase-2-v2-1-9afe57c33aee@sifive.com> On Fri, Sep 27, 2024 at 09:41:43PM +0800, Max Hsu wrote: >Add an entry for the Svukte extension to the riscv,isa-extensions >property. > >Reviewed-by: Samuel Holland >Signed-off-by: Max Hsu >--- > Documentation/devicetree/bindings/riscv/extensions.yaml | 9 +++++++++ > 1 file changed, 9 insertions(+) > >diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml >index 2cf2026cff574d39793157418a4d4211df87315f..9f730e3aaae949debc18396183b989b504dcb899 100644 >--- a/Documentation/devicetree/bindings/riscv/extensions.yaml >+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml >@@ -171,6 +171,15 @@ properties: > memory types as ratified in the 20191213 version of the privileged > ISA specification. > >+ - const: svukte >+ description: >+ The standard Svukte supervisor-level extensions for making user-mode >+ accesses to supervisor memory raise page faults in constant time, >+ mitigating attacks that attempt to discover the supervisor >+ software's address-space layout. Currently under review as Pull >+ Request number 1564 at commit 81dc9277 ("Svukte v0.3") of >+ riscv-isa-manual. Reviewed-by: Deepak Gupta >+ > - const: svvptc > description: > The standard Svvptc supervisor-level extension for > >-- >2.43.2 > >