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 7F617C79FA0 for ; Tue, 8 Sep 2026 06:52:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9DE816B0098; Tue, 8 Sep 2026 02:52:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 98F376B00B1; Tue, 8 Sep 2026 02:52:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8A6E96B00C0; Tue, 8 Sep 2026 02:52:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 65A6C6B0098 for ; Tue, 8 Sep 2026 02:52:29 -0400 (EDT) Received: from smtpin19.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id EDDD81A03B4 for ; Tue, 8 Sep 2026 06:52:28 +0000 (UTC) X-FDA: 85189676376.19.39B911B Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf23.hostedemail.com (Postfix) with ESMTP id 5E68E14000B for ; Tue, 8 Sep 2026 06:52:27 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b="MxGHPr/o"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf23.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1788850347; 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=tQCExSqn1W0rL2KHHjcgog6hZgpy3PJqmFXUPMAfp8c=; b=4RjyKZ8hYLNKWRW/80f3sXBwil3mqVj//CKkjOARt1BbSKkN7MeygDMYB4mzkpUodbcesy XCzp40hTgVhX6/YCtGDJfZwqgPQB6hjipnm6blh2YiE+JOdAx8i7NEB1XjqeKSblKBjKKJ nStWEz1zSxecfvZWx15W4qqgmHdXpDI= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1788850347; b=aPeLd9sEdESRoKHkvEA3dqbzT9lKiokvdhPdIPbfS7bWzoTr8Qij1APR3SvgFDlNTzmUAJ 0QiWXdvlpER/0y3muAQJRZck8MlJ81FU26Xte7ASxQghSuTbR2eSrZ/9bdVFVQQjxoi4F9 J9QrtonxzI1thjx/YVsahPKwk7Ah4PU= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b="MxGHPr/o"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf23.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 6FDA742EA1; Tue, 8 Sep 2026 06:52:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D9921F00A3A; Tue, 8 Sep 2026 06:52:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788850346; bh=tQCExSqn1W0rL2KHHjcgog6hZgpy3PJqmFXUPMAfp8c=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=MxGHPr/o7Egzf7/M8R8Ao6xgWW828L9KjV5g84sSn7wi9vQ7ZcW0u0yYAkaDvectd mR4UMWwASyruj3B4tXUeARgiJB6uF8PJhd7Vk5pHsWytx6JL63jN1/RAI90iaZDj5v BSMATV5Tjnay2NldoJaKCaxkJf+B14z9AyDmY+MVafeEWhRzFRldWfi0CqcNr52USK 953kOdfoLHavZRSp42M83cfpJ14CsK0C7vG3yQyKNcguUsP8lAJpH7cavlJCQtN9Gc 1lsmIJCiWgIzHl6QoyQVlGhaNA5yh2Rs7v8dUZbABjex8SUJroXjJK4pnfLnMSZmk4 hpWo7/SVN/Y7Q== Date: Tue, 8 Sep 2026 09:52:12 +0300 From: Mike Rapoport To: Kevin Brodsky Cc: linux-hardening@vger.kernel.org, Andrew Morton , Andy Lutomirski , Catalin Marinas , Dave Hansen , "David Hildenbrand (Arm)" , Jann Horn , Jeff Xu , Joey Gouly , Kees Cook , Linu Cherian , Linus Walleij , Marc Zyngier , Mark Brown , Matthew Wilcox , Maxwell Bland , Peter Zijlstra , Pierre Langlois , =?iso-8859-1?Q?Pierre-Cl=E9ment?= Tosi , Quentin Perret , Rick Edgecombe , Ryan Roberts , Vlastimil Babka , Will Deacon , Yang Shi , Yeoreum Yun , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, x86@kernel.org, Ira Weiny , Lorenzo Stoakes , Thomas Gleixner Subject: Re: [PATCH RFC v9 01/25] mm: Introduce kpkeys Message-ID: References: <20260818-kpkeys-v9-0-743ad31b2c8f@arm.com> <20260818-kpkeys-v9-1-743ad31b2c8f@arm.com> <178877845406.3691569.6930315020588094755.b4-review@b4> <3f6e7678-0784-4ac1-acb4-b128887803c5@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3f6e7678-0784-4ac1-acb4-b128887803c5@arm.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 5E68E14000B X-Stat-Signature: 8u9zkk1zsqz9img1w7f5m785iqkfoyxf X-Rspam-User: X-HE-Tag: 1788850347-329627 X-HE-Meta: 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 89g51Ab6 HPhhXRCQwmzLBTq2vZ8wO/U8niav1VQLFIASaDDTlqthrDs8ScTAII7kGlH/loEJN4QyqiMJwRnJIa8bQw3Dpnl3axsyiX9xsTeseXL10guD9kIxawoYR65mzG7oIxkz0jhXJOKLa1/avzYYVoedgywRwc0z8zaqLzc7EF00oOn27DYTeu+iZgjj+/5Ebv4O04FdBB30/ROHfkbZVDufa3pAPOlrT8ulwCzdGCKmhl+errWxN9Z3cXVQRCrE2EYml7q5E Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 07, 2026 at 05:49:42PM +0200, Kevin Brodsky wrote: > On 07/09/2026 12:54, Mike Rapoport wrote: > >> + > >> +#include > >> +#include > >> +#include > >> + > >> +/** > >> + * KPKEYS_GUARD_NOOP() - define a guard type that does nothing > > Nit: I'd suggest to drop "define" from all the descriptions, they would > > read better without it IMHO. > > Fair enough, but if we say just "a guard type that does nothing" is it > clear that this is a macro defining a type, and not a type itself? Then maybe "helper to define", like cleanup.h does? > - Kevin -- Sincerely yours, Mike.