From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754663AbdAFRLP (ORCPT ); Fri, 6 Jan 2017 12:11:15 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:28869 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751453AbdAFRLH (ORCPT ); Fri, 6 Jan 2017 12:11:07 -0500 Subject: Re: [RFC PATCH v3] sparc64: Add support for Application Data Integrity (ADI) To: David Miller , dave.hansen@linux.intel.com References: <20170106.120204.927644401352332269.davem@davemloft.net> Cc: mhocko@kernel.org, rob.gardner@oracle.com, corbet@lwn.net, arnd@arndb.de, akpm@linux-foundation.org, hpa@zytor.com, viro@zeniv.linux.org.uk, nitin.m.gupta@oracle.com, chris.hyser@oracle.com, tushar.n.dave@oracle.com, sowmini.varadhan@oracle.com, mike.kravetz@oracle.com, adam.buchbinder@gmail.com, minchan@kernel.org, hughd@google.com, kirill.shutemov@linux.intel.com, keescook@chromium.org, allen.pais@oracle.com, aryabinin@virtuozzo.com, atish.patra@oracle.com, joe@perches.com, pmladek@suse.com, jslaby@suse.cz, cmetcalf@mellanox.com, paul.gortmaker@windriver.com, jmarchan@redhat.com, lstoakes@gmail.com, 0x7f454c46@gmail.com, vbabka@suse.cz, tglx@linutronix.de, mingo@redhat.com, dan.j.williams@intel.com, iamjoonsoo.kim@lge.com, mgorman@techsingularity.net, vdavydov.dev@gmail.com, hannes@cmpxchg.org, namit@vmware.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org, khalid@gonehiking.org From: Khalid Aziz Organization: Oracle Corp Message-ID: Date: Fri, 6 Jan 2017 10:10:09 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170106.120204.927644401352332269.davem@davemloft.net> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/06/2017 10:02 AM, David Miller wrote: > From: Dave Hansen > Date: Fri, 6 Jan 2017 08:55:03 -0800 > >> Actually, that reminds me... How does your code interface with ksm? Or >> is there no interaction needed since you're always working on virtual >> addresses? > > This reminds me, I consider this feature potentially extremely useful for > kernel debugging. So I would like to make sure we don't implement anything > in a way which would preclude that in the long term. I agree and please do point out if I have made any implementation decisions that could preclude that. Thanks, Khalid