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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 367E4C4345F for ; Sun, 14 Apr 2024 06:56:43 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=d/LYacHA; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4VHLgs1213z3dSv for ; Sun, 14 Apr 2024 16:56:41 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=d/LYacHA; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4VHLfz5nwjz3vZl for ; Sun, 14 Apr 2024 16:55:55 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id EB01A60A6F; Sun, 14 Apr 2024 06:55:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C936C072AA; Sun, 14 Apr 2024 06:55:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713077753; bh=acTa/DAZ5cFzspaDXQtCutxnRskqILcm4BoyY64GAsE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=d/LYacHAwOkc/kCjHyTCcoystztWJ2hWE4WwS3iKJOBVWKuPGpKsoWrst4uwdO1uE lrNGgEGIp37lYevOO6ZmgbCTo4Pcxdre0tQG5WRz1+Y2JUSVBKkzieGuQgR+feRjgF NKCbxLpnvzIWDlXArs9dsDM7tl8cS1D4PWEeuIKCMEB72UnHmvnpkx8KzyEbulPvOG yvUAKKWnOyEVJqc7Xz1pObSnlTPYaMqA07hIzHHnAfEdOSzr4lhL5Wuu7orwQ0gYDx oyzwYp1Srm9Luqd+anJCkHdxPVjCqKLVBJXRIPwBDjCdEus2NTS/xxlaUyK8iknUq1 IefQf1wfCNhJQ== Date: Sun, 14 Apr 2024 09:54:38 +0300 From: Mike Rapoport To: Ingo Molnar Subject: Re: [PATCH v4 05/15] mm: introduce execmem_alloc() and execmem_free() Message-ID: References: <20240411160051.2093261-1-rppt@kernel.org> <20240411160051.2093261-6-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , x86@kernel.org, Catalin Marinas , linux-mips@vger.kernel.org, Song Liu , Donald Dutile , Luis Chamberlain , sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, Nadav Amit , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Helge Deller , Huacai Chen , Russell King , linux-trace-kernel@vger.kernel.org, Alexandre Ghiti , Will Deacon , Heiko Carstens , Steven Rostedt , loongarch@lists.linux.dev, Thomas Gleixner , bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Bogendoerfer , linux-parisc@vger.kernel.org, Puranjay Mohan , linux-mm@kvack.org, netdev@vger.kernel.org, Kent Overstreet , linux-kernel@vger.kernel.org, Dinh Nguyen , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Eric Chanudet , Palmer Dabbelt , Andrew Morton , Rick Edgecombe , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , linux-modules@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Apr 12, 2024 at 11:16:10AM +0200, Ingo Molnar wrote: > > * Mike Rapoport wrote: > > > +/** > > + * enum execmem_type - types of executable memory ranges > > + * > > + * There are several subsystems that allocate executable memory. > > + * Architectures define different restrictions on placement, > > + * permissions, alignment and other parameters for memory that can be used > > + * by these subsystems. > > + * Types in this enum identify subsystems that allocate executable memory > > + * and let architectures define parameters for ranges suitable for > > + * allocations by each subsystem. > > + * > > + * @EXECMEM_DEFAULT: default parameters that would be used for types that > > + * are not explcitly defined. > > + * @EXECMEM_MODULE_TEXT: parameters for module text sections > > + * @EXECMEM_KPROBES: parameters for kprobes > > + * @EXECMEM_FTRACE: parameters for ftrace > > + * @EXECMEM_BPF: parameters for BPF > > + * @EXECMEM_TYPE_MAX: > > + */ > > +enum execmem_type { > > + EXECMEM_DEFAULT, > > + EXECMEM_MODULE_TEXT = EXECMEM_DEFAULT, > > + EXECMEM_KPROBES, > > + EXECMEM_FTRACE, > > + EXECMEM_BPF, > > + EXECMEM_TYPE_MAX, > > +}; > > s/explcitly > /explicitly Sure, thanks > Thanks, > > Ingo -- Sincerely yours, Mike.