From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757164AbbAHRDf (ORCPT ); Thu, 8 Jan 2015 12:03:35 -0500 Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:58062 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756823AbbAHRDc (ORCPT ); Thu, 8 Jan 2015 12:03:32 -0500 Date: Thu, 8 Jan 2015 17:03:24 +0000 From: Will Deacon To: Pratyush Anand Cc: "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , "tixy@linaro.org" , "ananth@in.ibm.com" , "sandeepa.prabhu@linaro.org" , Catalin Marinas , "linux-kernel@vger.kernel.org" , "anil.s.keshavamurthy@intel.com" , "masami.hiramatsu.pt@hitachi.com" , "wcohen@redhat.com" , "oleg@redhat.com" Subject: Re: [RFC 8/8] ARM64: Add uprobe support Message-ID: <20150108170324.GT11583@arm.com> References: <0694af6935f9c6873ef8d25ad51630a40a74a116.1420038188.git.panand@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0694af6935f9c6873ef8d25ad51630a40a74a116.1420038188.git.panand@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 31, 2014 at 03:21:24PM +0000, Pratyush Anand wrote: > This patch adds support for uprobe on ARM64 architecture. > > Unit test for following has been done so far and they have been found > working > 1. Normal instruction, which can be probed like sub, ldr, add etc. > 2. Instructions which can be simulated like ret. > 3. uretprobe I'm assuming that means you don't support compat (AArch32) tasks with this? How do you enforce that? Will