Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755597AbdGXMNq (ORCPT ); Mon, 24 Jul 2017 08:13:46 -0400 Received: from mail-wm0-f54.google.com ([74.125.82.54]:38782 "EHLO mail-wm0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753744AbdGXMNh (ORCPT ); Mon, 24 Jul 2017 08:13:37 -0400 Date: Mon, 24 Jul 2017 15:13:31 +0300 From: "Kirill A. Shutemov" To: Andrey Ryabinin Cc: "Kirill A. Shutemov" , Andy Lutomirski , Dmitry Vyukov , Alexander Potapenko , Linus Torvalds , Andrew Morton , "x86@kernel.org" , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Andi Kleen , Dave Hansen , linux-arch , "linux-mm@kvack.org" , LKML , kasan-dev Subject: Re: KASAN vs. boot-time switching between 4- and 5-level paging Message-ID: <20170724121331.k3fl4xjrsmznqk2t@node.shutemov.name> References: <20170711170332.wlaudicepkg35dmm@node.shutemov.name> <20170711190554.zxkpjeg2bt65wtir@black.fi.intel.com> <20939b37-efd8-2d32-0040-3682fff927c2@virtuozzo.com> <20170713135228.vhvpe7mqdcqzpslw@node.shutemov.name> <20170713141528.rwuz5n2p57omq6wi@node.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 597 Lines: 20 On Thu, Jul 13, 2017 at 05:19:22PM +0300, Andrey Ryabinin wrote: > >> https://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git/commit/?h=la57/boot-switching/v2&id=13327fec85ffe95d9c8a3f57ba174bf5d5c1fb01 > >> > >>> As for KASAN, I think it would be better just to make it work faster, > >>> the patch below demonstrates the idea. > >> > >> Okay, let me test this. > > > > The patch works for me. > > > > The problem is not exclusive to 5-level paging, so could you prepare and > > push proper patch upstream? > > > > Sure, will do Andrey, any follow up on this? -- Kirill A. Shutemov