Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753374AbcCGRcU (ORCPT ); Mon, 7 Mar 2016 12:32:20 -0500 Received: from mga11.intel.com ([192.55.52.93]:49349 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752698AbcCGRcM (ORCPT ); Mon, 7 Mar 2016 12:32:12 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,552,1449561600"; d="scan'208";a="928671175" Subject: Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI) To: Khalid Aziz , davem@davemloft.net, corbet@lwn.net, akpm@linux-foundation.org, dingel@linux.vnet.ibm.com, zhenzhang.zhang@huawei.com, bob.picco@oracle.com, kirill.shutemov@linux.intel.com, aneesh.kumar@linux.vnet.ibm.com, aarcange@redhat.com, arnd@arndb.de, sparclinux@vger.kernel.org References: <1456951177-23579-1-git-send-email-khalid.aziz@oracle.com> Cc: rob.gardner@oracle.com, mhocko@suse.cz, chris.hyser@oracle.com, richard@nod.at, vbabka@suse.cz, koct9i@gmail.com, oleg@redhat.com, gthelen@google.com, jack@suse.cz, xiexiuqi@huawei.com, Vineet.Gupta1@synopsys.com, luto@kernel.org, ebiederm@xmission.com, bsegall@google.com, geert@linux-m68k.org, dave@stgolabs.net, adobriyan@gmail.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org From: Dave Hansen Message-ID: <56DDBB18.6030505@intel.com> Date: Mon, 7 Mar 2016 09:32:08 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <1456951177-23579-1-git-send-email-khalid.aziz@oracle.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 18 On 03/02/2016 12:39 PM, Khalid Aziz wrote: > --- a/include/uapi/asm-generic/siginfo.h > +++ b/include/uapi/asm-generic/siginfo.h > @@ -206,7 +206,10 @@ typedef struct siginfo { > #define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */ > #define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */ > #define SEGV_BNDERR (__SI_FAULT|3) /* failed address bound checks */ > -#define NSIGSEGV 3 > +#define SEGV_ACCADI (__SI_FAULT|4) /* ADI not enabled for mapped object */ > +#define SEGV_ADIDERR (__SI_FAULT|5) /* Disrupting MCD error */ > +#define SEGV_ADIPERR (__SI_FAULT|6) /* Precise MCD exception */ > +#define NSIGSEGV 6 FYI, this will conflict with code in -tip right now: > http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?h=mm/pkeys&id=cd0ea35ff5511cde299a61c21a95889b4a71464e It's not a big deal to resolve, of course.