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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u2-20020a637902000000b00520dfb861fcsi2312457pgc.309.2023.05.09.13.50.05; Tue, 09 May 2023 13:50:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=K7upsmYH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235135AbjEIUqO (ORCPT + 99 others); Tue, 9 May 2023 16:46:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbjEIUqM (ORCPT ); Tue, 9 May 2023 16:46:12 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 813AF2110; Tue, 9 May 2023 13:46:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=kCdk2cX8L2MN43rb5MxNNov65UyV2OH8ru0XyISmXUI=; b=K7upsmYH2eNpceBwZDvkKsjAT+ 4vmnhZzUe6LJmKL5J95AraOcNy1gmtWq41lmziOVtI7zdlMRTcGcudRW+OikG6taddJ1oNrcCkZpf wIFvqKLs7A8HUbxqxo2Yjhi7LQ0urLBbkeq19KXloG+ON+kDXtBmyXpDRSg+VF/N+UfR1Z3bzQeVZ aofTqZ1uEH/bXHbmaScnXZ2SEsg9jhlj5xpJd2rAnmyU3Wo/tc1hjCNwT919l8VVInPw4qW8uczvd vGu2zKtUDzXa/1WG3N1dNzkflPSN7NggpLf9nJ+XJYMyMQTxajkMhr9TibN6mtP3p0hzjuEu2Zqr2 i2ykeQvg==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pwUDp-004Div-0e; Tue, 09 May 2023 20:46:09 +0000 Date: Tue, 9 May 2023 13:46:09 -0700 From: Christoph Hellwig To: Kent Overstreet Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-bcachefs@vger.kernel.org, Kent Overstreet , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , linux-mm@kvack.org Subject: Re: [PATCH 07/32] mm: Bring back vmalloc_exec Message-ID: References: <20230509165657.1735798-1-kent.overstreet@linux.dev> <20230509165657.1735798-8-kent.overstreet@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230509165657.1735798-8-kent.overstreet@linux.dev> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 09, 2023 at 12:56:32PM -0400, Kent Overstreet wrote: > From: Kent Overstreet > > This is needed for bcachefs, which dynamically generates per-btree node > unpack functions. No, we will never add back a way for random code allocating executable memory in kernel space.