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 098A0D41C27 for ; Thu, 11 Dec 2025 11:44:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 30A776B0005; Thu, 11 Dec 2025 06:44:42 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2E2966B0007; Thu, 11 Dec 2025 06:44:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 220026B0008; Thu, 11 Dec 2025 06:44:42 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 143F76B0005 for ; Thu, 11 Dec 2025 06:44:42 -0500 (EST) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 8574B1A088B for ; Thu, 11 Dec 2025 11:44:41 +0000 (UTC) X-FDA: 84207007962.14.FAFAF87 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf07.hostedemail.com (Postfix) with ESMTP id D8CCF40004 for ; Thu, 11 Dec 2025 11:44:39 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=uIJmfimn; dmarc=pass (policy=none) header.from=infradead.org; spf=none (imf07.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1765453479; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1Xyvz2EmetVTqNxA3ooND6KrVryVhRTmeDWJ7L8+Veo=; b=bcn9RXpeLri1C2gKfoKL9Q1tUPScUrnWlIxg/88ctBEjvmZwTsVwW6DKvsMHMBwCZwgHMa Ctn0YJ30WIYy7wtuqcunLiclrb71ZYaB1NdPS9GuLibSnF/xC5toiYPKxx70p2HEcfHriw Ay0QgCnm+mHQhp8PHbupCHxRwWh7Vi0= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=uIJmfimn; dmarc=pass (policy=none) header.from=infradead.org; spf=none (imf07.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1765453479; a=rsa-sha256; cv=none; b=sRmhRc6n8yXj1YIR1GdAFdAYar9P6YLmyr79X//HDgJS34kM+ieCNqRdOPzepHWJQjxG+X OfZumQdjdXEFfIiRfUdWl5V9UWo6DsXPNPBY+vhs4fgBnxK/J0Ccb92E/Uun3OpEYZc0LB 0FEYZwKESn7LFgdVwDF3pxWSkPAs47I= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=1Xyvz2EmetVTqNxA3ooND6KrVryVhRTmeDWJ7L8+Veo=; b=uIJmfimnlNHvC/G7x6PPflA13K lshdJGbQZ4Hj6U3gBt+qTwrd7U8BHV3bTjJFXW5qDlWjqGZEsKv1RsQk1E0GucLcbJGz3KswikKF3 FC9DO6iNWOf6K4jpEp8JjNWgtpdSRXEXFrNc2CLESx/naRoQs54Gzizq9ktTzAzRlq9Z5+clz0NEx k3OH+xn15/MmfudhJetIFZG31/V4Z7jkj3+XQEqjINgec//KCLdIEKn1mk9FdcfkcSlQqdLKwxrM7 pm8yeej2PowuoHC6yP98kzuZOludbZHHtNOyU0VV+rXNKI4WmbwiV4TtB8qVZsgsvBZvLZxCpvSrr AuH3zvWQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTf60-0000000EBKA-0bcG; Thu, 11 Dec 2025 11:44:32 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id AF7D630301A; Thu, 11 Dec 2025 12:44:31 +0100 (CET) Date: Thu, 11 Dec 2025 12:44:31 +0100 From: Peter Zijlstra To: Marco Elver Cc: Boqun Feng , Ingo Molnar , Will Deacon , "David S. Miller" , Luc Van Oostenryck , Chris Li , "Paul E. McKenney" , Alexander Potapenko , Arnd Bergmann , Bart Van Assche , Christoph Hellwig , Dmitry Vyukov , Eric Dumazet , Frederic Weisbecker , Greg Kroah-Hartman , Herbert Xu , Ian Rogers , Jann Horn , Joel Fernandes , Johannes Berg , Jonathan Corbet , Josh Triplett , Justin Stitt , Kees Cook , Kentaro Takeda , Lukas Bulwahn , Mark Rutland , Mathieu Desnoyers , Miguel Ojeda , Nathan Chancellor , Neeraj Upadhyay , Nick Desaulniers , Steven Rostedt , Tetsuo Handa , Thomas Gleixner , Thomas Graf , Uladzislau Rezki , Waiman Long , kasan-dev@googlegroups.com, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, linux-sparse@vger.kernel.org, linux-wireless@vger.kernel.org, llvm@lists.linux.dev, rcu@vger.kernel.org Subject: Re: [PATCH v4 02/35] compiler-context-analysis: Add infrastructure for Context Analysis with Clang Message-ID: <20251211114431.GD3911114@noisy.programming.kicks-ass.net> References: <20251120145835.3833031-2-elver@google.com> <20251120145835.3833031-4-elver@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251120145835.3833031-4-elver@google.com> X-Rspam-User: X-Stat-Signature: tk6neiqr5bq1m1p5xi9cwojw3wod35ny X-Rspamd-Queue-Id: D8CCF40004 X-Rspamd-Server: rspam06 X-HE-Tag: 1765453479-459003 X-HE-Meta: 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 WcSP6VFv hZrdOX1gHlqY4W9hyEumUqwobGoSJNHu8j9mFx/rMIfQ81kggYeOj58JeNFTXz4K36Q/d3Mdw4P7wJD51x+GNSVwNxsUqIukPMit9WhgiDCzcGFWdgJTXAgzLI0Q5XeWH9xre/ha6dXgChpNbydtHm1hYax15Zp04HlD2Tvyo0fpE7QlNVFlZwM3n87YHZPpGMXZdoOMPsjFpS00fGuhLYUriR2JMyNWXxlLpwVngsjtzSAM0pQQjkl1+TR4v0nocQ/OhCJ/YAND7+cUHyNQAQYD7mCvQ1YelIe6ppI3u6LtdlgpjRQNKYQBoFw== 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 Thu, Nov 20, 2025 at 03:49:04PM +0100, Marco Elver wrote: > +/** > + * __guarded_by - struct member and globals attribute, declares variable > + * only accessible within active context > + * > + * Declares that the struct member or global variable is only accessible within > + * the context entered by the given context guard. Read operations on the data > + * require shared access, while write operations require exclusive access. > + * > + * .. code-block:: c > + * > + * struct some_state { > + * spinlock_t lock; > + * long counter __guarded_by(&lock); > + * }; > + */ > +# define __guarded_by(...) __attribute__((guarded_by(__VA_ARGS__))) I must express pure hatred for this '.. code-block:: c' thing.