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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C7AB2D3748A for ; Fri, 5 Dec 2025 19:32:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C21F46B02B8; Fri, 5 Dec 2025 14:32:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id BF9AE6B02B9; Fri, 5 Dec 2025 14:32:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B0F126B02BA; Fri, 5 Dec 2025 14:32:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 9FFF56B02B8 for ; Fri, 5 Dec 2025 14:32:54 -0500 (EST) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 263131402DF for ; Fri, 5 Dec 2025 19:32:54 +0000 (UTC) X-FDA: 84186415068.24.B477FC8 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf27.hostedemail.com (Postfix) with ESMTP id 4FB7140016 for ; Fri, 5 Dec 2025 19:32:52 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Gk0SMWPx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf27.hostedemail.com: domain of krzk@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=krzk@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1764963172; a=rsa-sha256; cv=none; b=xds1vGAobxne4e7TpFj7ely6btvZsYd/UKFRbvBxqY2ULVIY+4InLY4yM+Xjesf2oac101 IuSKI9hJCpQ8rywvuxOtCkoXBcfY9eDGFnsMHxdehxvaOKtttVNFt6LDdf0B9KB8V8DNoc +jpGdd02Hj7+YLcClDv+tAE6QADw2Lg= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Gk0SMWPx; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf27.hostedemail.com: domain of krzk@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=krzk@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1764963172; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=7WuHACCrLw7Ij9mjNNDsCgnUG5pnSjF69HKLgKQcvB4=; b=4mWYZp5SJE4QEaz60Kh8QBEdBU1o+RbIkmV5b67CHS3m/Ykwx0EPoqCUVJGIKKWwm/4cQk pVezhlpO/80JG+pxq3gbzFynY4YwJcuXFuV3jCCeV6qKgKU08eODxNWzAA6Bs+jT3ATPG+ pP4EMVwWTEjiaG3pbw/BdE932KWn+o4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 0180560053; Fri, 5 Dec 2025 19:32:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45914C4CEF1; Fri, 5 Dec 2025 19:32:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764963170; bh=7WuHACCrLw7Ij9mjNNDsCgnUG5pnSjF69HKLgKQcvB4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Gk0SMWPxxBv2FrPBRU84wE7AZD0o4+fLvrhaoJgHozSBhDl3a7ZZAvU9uVo2ll6Zg I+v/7ZSqOmAzBlyIpRiLTsjvztfKvUeaC4UWnvrKk9IWjfJc40MsZj9+LQHQebDWPF sSpRgnXIC0/UBkff5oHzznigldGYOqThG1E7o1oa9jeIH+AtZHK7htHr9jwyY92VpR tSaUoLTf7BLZiffzZHG4Cjxbinl7e4hk50lIpx+Amp3yCc4BA1mmqkZ+pNvt8sDyUl WIgsEtRnWYHOk4PhkXXn70A0c48E67OX4QVUByXh9m3dI1GeQUfYISbM3ZlcjTT3Hb z2JmYnkslxiZw== Message-ID: Date: Fri, 5 Dec 2025 20:32:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v25 00/28] riscv control-flow integrity for usermode To: debug@rivosinc.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "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 , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Andreas Hindborg , Alice Ryhl , Trevor Gross , Benno Lossin Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, alistair.francis@wdc.com, richard.henderson@linaro.org, jim.shu@sifive.com, andybnac@gmail.com, kito.cheng@sifive.com, charlie@rivosinc.com, atishp@rivosinc.com, evan@rivosinc.com, cleger@rivosinc.com, alexghiti@rivosinc.com, samitolvanen@google.com, broonie@kernel.org, rick.p.edgecombe@intel.com, rust-for-linux@vger.kernel.org, Zong Li , David Hildenbrand , Andreas Korb , Valentin Haudiquet , Paul Walmsley , Charles Mirabile References: <20251205-v5_user_cfi_series-v25-0-1a07c0127361@rivosinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20251205-v5_user_cfi_series-v25-0-1a07c0127361@rivosinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4FB7140016 X-Stat-Signature: 47ju1r9nqjj6eoetmt1pfxu89hj5jpa5 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1764963172-643923 X-HE-Meta: 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 paQfjEZA 16vUQwKlJgh4K57JxLTOKp+YyhdCREaztGkIscgq1CLVf9nlxhyhUxO5cAl/PfN7cx8k16XDmqyNWhHnBrXMbzxN+3lWyvtSizNxg5PrRP7T+yC6l01oN9V1Difp4pIB4nPKfhA6hWPpty9awKNKwsielvFrzAQbTveMY2FJ2zj8GQyBXqYrej2SpeyRI6DJpwSbwyEdlIHYlS30q3ggU3JXme+PGVUuU8aB+GkH/SrVFl7FxoFygrFXfRvbBIv9HcA3Z7c8T26gX4aJw4bTFcXnzMtn6qEkN1B3wj+VG6ZWXjLH7VI/hpJSSw/0LEywwBuW6873NtEhz2hE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 05/12/2025 19:41, Deepak Gupta via B4 Relay wrote: > v25: Removal of `riscv_nousercfi` from `cpufeature.c` and instead placing > it as extern in `usercfi.h` was leading to build error whene cfi config > is not selected. Placed `riscv_nousercfi` outside cfi config ifdef block > in `usercfi.h` Please stop. You sent this 28-patch-bomb TWICE to 50 or 60 addresses. It's actually merge window so it should wait in the first place, but for sure sending it multiple times does not help. Please observe the Linux development process. Best regards, Krzysztof