From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f52.google.com (mail-wr1-f52.google.com [209.85.221.52]) (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 81EF91EE008 for ; Fri, 21 Mar 2025 07:31:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742542308; cv=none; b=UCYjAhYBoHfgXbuRjZEGMZXnfNZnLN+QvUwFI+oB2dQYmPv4VhVRZMby3wrVN81kL+bmWKhJEVESkqddZgXLFof2kHugaR9SrHVKAb4zPB5o21qOKUwkzA9WX/VSfvY9Idg+hdu6CQD4VQ6F/uXY8hKCOkdEw3O8eenRI7WIjwo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742542308; c=relaxed/simple; bh=GdD46RXzLITLcyofqDJ2zWxNrp2LOOXutJPFHpVGBHo=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:To:From: References:In-Reply-To; b=TJz8iQDwztAvaa9XTVUCAAEiPXLli+Xeq9bFzdT5dXUUoG2P0H5oWr2ugDI8zgiXNyGPxUv183OgJWVXOoEzLsPBSL307bEyIHxiXyZdi1rp0Fu6btfUpWG3MqWQOZEm1Fo7b+ux+g+CnkAYPYn3cHH7oUYXnCuuqE1qf9kypsY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com; spf=pass smtp.mailfrom=ventanamicro.com; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b=QQmtMvYU; arc=none smtp.client-ip=209.85.221.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b="QQmtMvYU" Received: by mail-wr1-f52.google.com with SMTP id ffacd0b85a97d-3912b75c0f2so96392f8f.0 for ; Fri, 21 Mar 2025 00:31:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1742542305; x=1743147105; darn=vger.kernel.org; h=in-reply-to:references:from:to:cc:subject:message-id:date :content-transfer-encoding:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=EA53ZruOOQL6IYeAD91OZdQ4lvT8qFBPlQC4O1CwTT0=; b=QQmtMvYU6Q53j6hUeBMHzB4neX/xdvVL0pbT2TDe/5ndgYuMG1xp9WZ2C94YnnB4yO pCL9UvOSe10UK3WdwdpwD15BYKaYijADRw//75nfLGm0rtB8amloFZXBoUcVQ/ZMWDKr 5o5LbeE24PyKNltBklqhUm0aj45cVDdrtbFxYzqU43K5HeMbM0eCD2Lqkf4ZJi82QqmO vUrlonj1ubUhaKNdmuk6WclJdvRffA7sN6ABfu3fyqMzJvwnEXKR9Q6/YwgdcENc6hbs QTz2K9PW2i0Lwsc2yFHBBL+RyISsYkPzpMV9U4aSHY39+iC85zugSnxTfQmAdYLPzcJq CYNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742542305; x=1743147105; h=in-reply-to:references:from:to:cc:subject:message-id:date :content-transfer-encoding:mime-version:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=EA53ZruOOQL6IYeAD91OZdQ4lvT8qFBPlQC4O1CwTT0=; b=luQ2XBTfIqPXO7Tvpedcg9IOiU/VEJT8Ywa8bZPJUS9OcdG1EZyLwO7GcDwQbQj4ag ZoUVO5fxjdbfjcpdafE0aoD5Ok/zU6wCkcqQh+Ok5hAg50exBEs9vdEQVQsz9usHTLRT gfZCcYa5J87bXapyc3BsZLqmmiMACzd3VjeF5/kX/CUY5CjqB5krq/Kaan1mQRvKi525 QHdVF4JgE+58ro1U2NAyxH0huTrJG1bVwp7GLUVF0IJTV/mIOTIR6F2ez2xEO9l/qlTN TkTYnAH6yuMqsMKbsiUHtlGWs/5c88eB8F1nnERgpCvi9m0ym0oqVC5KEp6kEabuufAM axhA== X-Forwarded-Encrypted: i=1; AJvYcCU9vg8Z0qwp+196p4KvuwnRpsjGJbFn/eWtnMt4hBX5/U4RpPkQxH101akSQnrDvbuhZYT4U6d9IHqtbOCXJwE=@vger.kernel.org X-Gm-Message-State: AOJu0YxrlTyhrDvimGl6YXQB8j1SZgyjrHtOwtVOILYFND33ngKpr7zR 6HQ/KACJrUdu3Qucbd+u1P3gVeh031cFbuydYg0bLsvD3WirEpuOWAPATOjL6bk= X-Gm-Gg: ASbGncvKBU6JTrxCul7+xQRJY3/3LZrHFjE/vO/RAiIsHwmOT7NMm4Eu6ZRQQXmeykq x66/X3l5YnRy0gMZ8qOoEEqmSWrGoC5mvZgE9M1LlcZhSSSccLZsC5GD9WcrEyn8a6LZVIqlRUT ENQq3RqF0lfQHFDQ8cX/b9NgC1I4effRYA9KYKjWSfKz0Zie7snEq+g1rablJYhB2q++8QIzq+Q J5Ul4Lf2AEkDjfsAak9y1PWlF+O/1tHRYRmoT/ljlLe2rBjldkx3nzM0Ls7CHsF1haLIFwsbaS7 ZoCNpK+1fPEq9yf5AZMbeYOGo3WPbSPksVh1w3IWExzGMRgwiDuMz/StXRVOAJfC1cmKSI6I40R b6UvO X-Google-Smtp-Source: AGHT+IGUPJ1yScRfM5ZckM0YOEUPSKKsLT1uHikzcP6azc7wS+CuSOBN2Ombs1xBV9GpD69REV2V/A== X-Received: by 2002:a5d:64c7:0:b0:386:3a50:8c52 with SMTP id ffacd0b85a97d-3997f917397mr932780f8f.7.1742542304656; Fri, 21 Mar 2025 00:31:44 -0700 (PDT) Received: from localhost (ip-89-103-73-235.bb.vodafone.cz. [89.103.73.235]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3997f9b260fsm1585165f8f.43.2025.03.21.00.31.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Mar 2025 00:31:44 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Fri, 21 Mar 2025 08:31:43 +0100 Message-Id: Subject: Re: [PATCH v12 23/28] riscv: kernel command line option to opt out of user cfi Cc: "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "Dave Hansen" , , "H. Peter Anvin" , "Andrew Morton" , "Liam R. Howlett" , "Vlastimil Babka" , "Lorenzo Stoakes" , "Paul Walmsley" , "Palmer Dabbelt" , "Albert Ou" , "Conor Dooley" , "Rob Herring" , "Krzysztof Kozlowski" , "Arnd Bergmann" , "Christian Brauner" , "Peter Zijlstra" , "Oleg Nesterov" , "Eric Biederman" , "Kees Cook" , "Jonathan Corbet" , "Shuah Khan" , "Jann Horn" , "Conor Dooley" , , , , , , , , , , , , , , , , , , , , , , "linux-riscv" To: "Deepak Gupta" From: =?utf-8?q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= References: <20250314-v5_user_cfi_series-v12-0-e51202b53138@rivosinc.com> <20250314-v5_user_cfi_series-v12-23-e51202b53138@rivosinc.com> In-Reply-To: 2025-03-20T15:31:09-07:00, Deepak Gupta : > On Thu, Mar 20, 2025 at 2:35=E2=80=AFPM Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: >> 2025-03-14T14:39:42-07:00, Deepak Gupta : >> > +__setup("disable_riscv_usercfi=3D", setup_global_riscv_enable); >> >> I'd prefer two command line options instead. > > One for zicfilp and one for zicfiss ? Yes. I don't want to suggest the naming, because I would have used "nousercfi" without an argument for the current one.