From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756944AbdAJI7Y (ORCPT ); Tue, 10 Jan 2017 03:59:24 -0500 Received: from merlin.infradead.org ([205.233.59.134]:32882 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756790AbdAJI7X (ORCPT ); Tue, 10 Jan 2017 03:59:23 -0500 Date: Tue, 10 Jan 2017 09:59:23 +0100 From: Peter Zijlstra To: Josh Poimboeuf Cc: Masami Hiramatsu , Ingo Molnar , linux-kernel@vger.kernel.org, Ananth N Mavinakayanahalli , Thomas Gleixner , "H . Peter Anvin" , Andrey Konovalov , Andy Lutomirski Subject: Re: [PATCH tip/master v4] kprobes: extable: Identify kprobes' insn-slots as kernel text area Message-ID: <20170110085923.GD3092@twins.programming.kicks-ass.net> References: <20170104100102.GE25813@worktop.programming.kicks-ass.net> <148388747896.6869.6354262871751682264.stgit@devbox> <20170109173648.k7dxu7nz22qc6upq@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170109173648.k7dxu7nz22qc6upq@treble> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 09, 2017 at 11:36:48AM -0600, Josh Poimboeuf wrote: > BTW, I think we'll have more problems with generated code if/when we > move to an x86 DWARF unwinder, because it won't have any idea how to > unwind past generated code. Long term I wonder if it would make sense > to create some kind of framework for creating or registering generated > code, so we can solve these types of problems in a single place. Yes, this seems like a good idea. Maybe we could pull the rbtree thing from modules and make that a more generic interface for code registration.