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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jd14-20020a170903260e00b00186e9ad55c1si12675408plb.434.2022.11.15.13.17.03; Tue, 15 Nov 2022 13:17:18 -0800 (PST) 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=eeLAhDPO; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230449AbiKOUhi (ORCPT + 90 others); Tue, 15 Nov 2022 15:37:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230393AbiKOUhB (ORCPT ); Tue, 15 Nov 2022 15:37:01 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CA24BB3; Tue, 15 Nov 2022 12:37:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Qy+DZuwA4M5WDugo0KAEoxGF9d6DWwiaweGeOENwlAA=; b=eeLAhDPOVheILTNUaMZAeCutI7 G+ckJYCpaI5UJ0GTgnAyOgw5lDsvQf25ULwX2jnRAbd09KnVHR5+ud+TBakN4h+hr8qpAxvRT8lJK +Gvv9XYmLmOxBCJYsNA5rJk4UjlN3ftUxD79rmtSrMe9YChraW4hNwyL3XggoNw73bL/6dGBMIIcX b1kfOIN6xYBe3v2+rK5VMOdqzrQqhNUn0VbXIvWcq5OIy81P4z7/4EeZJWOl+Ymw5NFrCYVMrwnmy VpzQxiFQDxD9ql6QAsqmNUJbLGBvVHDP0ElX7u0DGvrpNZ/eAMaw11zGWcFqlAnTv6XBfMInpJ2XH xI/iYEaw==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1ov2ft-00EcX0-LD; Tue, 15 Nov 2022 20:36:53 +0000 Date: Tue, 15 Nov 2022 12:36:53 -0800 From: Luis Chamberlain To: Nick Alcock Cc: "Leizhen (ThunderTown)" , masahiroy@kernel.org, linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org, arnd@arndb.de, akpm@linux-foundation.org, eugene.loh@oracle.com, kris.van.hees@oracle.com, Steven Rostedt Subject: Re: [PATCH v9 4/8] kallsyms: introduce sections needed to map symbols to built-in modules Message-ID: References: <20221109134132.9052-1-nick.alcock@oracle.com> <20221109134132.9052-5-nick.alcock@oracle.com> <87mt8tv554.fsf@esperi.org.uk> <76d7ba29-c7d2-d082-5928-599844112494@huawei.com> <87edu4uz7z.fsf@esperi.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Luis Chamberlain X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE 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, Nov 15, 2022 at 11:58:34AM -0800, Luis Chamberlain wrote: > And then users.. we need users clearly documented, who the heck is > using this or wants this / is going to use it and why. What issues did existing users run into? Why is this an issue? If no bugs have been reported why isn't this an issue then? Why does the existing duplicate stuff not cause issues in-kernel for symbol lookups? Who is dying for this feature? What userspace tools / whatever has support for this and can't wait to get their hands on this? Luis