From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f51.google.com (mail-pa0-f51.google.com [209.85.220.51]) by kanga.kvack.org (Postfix) with ESMTP id 2465E82F65 for ; Mon, 28 Sep 2015 15:32:28 -0400 (EDT) Received: by pablk4 with SMTP id lk4so85528114pab.3 for ; Mon, 28 Sep 2015 12:32:27 -0700 (PDT) Received: from blackbird.sr71.net (www.sr71.net. [198.145.64.142]) by mx.google.com with ESMTP id qy7si30829357pab.12.2015.09.28.12.32.27 for ; Mon, 28 Sep 2015 12:32:27 -0700 (PDT) Subject: Re: [PATCH 10/26] x86, pkeys: notify userspace about protection key faults References: <20150916174903.E112E464@viggo.jf.intel.com> <20150916174906.51062FBC@viggo.jf.intel.com> <20150924092320.GA26876@gmail.com> <56042F96.6030107@sr71.net> <56099444.1010902@de.ibm.com> From: Dave Hansen Message-ID: <560995CA.2000403@sr71.net> Date: Mon, 28 Sep 2015 12:32:26 -0700 MIME-Version: 1.0 In-Reply-To: <56099444.1010902@de.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christian Borntraeger , Ingo Molnar Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andrew Morton , Peter Zijlstra , Thomas Gleixner On 09/28/2015 12:25 PM, Christian Borntraeger wrote: > We do not have the storage keys per page table, but for the page frame instead > (shared among all mappers) so I am not sure if the whole thing will fit for s390. > Having a signal for page protection errors might be useful for us - not sure yet. Ugh, yeah, that's a pretty different architecture. The stuff we have here (syscall, VMA flags, etc...) is probably useful to you only for controlling access to non-shared memory. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org