From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f197.google.com (mail-io0-f197.google.com [209.85.223.197]) by kanga.kvack.org (Postfix) with ESMTP id 9E44C6B0292 for ; Tue, 29 Aug 2017 04:15:42 -0400 (EDT) Received: by mail-io0-f197.google.com with SMTP id g33so15019498ioj.8 for ; Tue, 29 Aug 2017 01:15:42 -0700 (PDT) Received: from merlin.infradead.org (merlin.infradead.org. [2001:8b0:10b:1231::1]) by mx.google.com with ESMTPS id u10si2449152ite.108.2017.08.29.01.15.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Aug 2017 01:15:40 -0700 (PDT) Date: Tue, 29 Aug 2017 10:15:08 +0200 From: Peter Zijlstra Subject: Re: [PATCH v2 14/20] mm: Provide speculative fault infrastructure Message-ID: <20170829081508.rmw6retdq64h32yu@hirez.programming.kicks-ass.net> References: <1503007519-26777-1-git-send-email-ldufour@linux.vnet.ibm.com> <1503007519-26777-15-git-send-email-ldufour@linux.vnet.ibm.com> <20170827001823.n5wgkfq36z6snvf2@node.shutemov.name> <20170828093727.5wldedputadanssh@hirez.programming.kicks-ass.net> <1503954877.4850.19.camel@kernel.crashing.org> <20170828223511.GM28715@tassilo.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170828223511.GM28715@tassilo.jf.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andi Kleen Cc: Benjamin Herrenschmidt , "Kirill A. Shutemov" , Laurent Dufour , paulmck@linux.vnet.ibm.com, akpm@linux-foundation.org, mhocko@kernel.org, dave@stgolabs.net, jack@suse.cz, Matthew Wilcox , mpe@ellerman.id.au, paulus@samba.org, Thomas Gleixner , Ingo Molnar , hpa@zytor.com, Will Deacon , linux-kernel@vger.kernel.org, linux-mm@kvack.org, haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com, npiggin@gmail.com, bsingharora@gmail.com, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org On Mon, Aug 28, 2017 at 03:35:11PM -0700, Andi Kleen wrote: > Yes the whole thing is quite risky. Probably will need some > kind of per architecture opt-in scheme? See patch 19/20, that not enough for you? -- 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