From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id A85346B02A2 for ; Mon, 8 Jan 2018 11:18:09 -0500 (EST) Received: by mail-wm0-f70.google.com with SMTP id b82so3899509wmd.5 for ; Mon, 08 Jan 2018 08:18:09 -0800 (PST) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id m75sor3169941wmi.50.2018.01.08.08.18.08 for (Google Transport Security); Mon, 08 Jan 2018 08:18:08 -0800 (PST) Date: Mon, 8 Jan 2018 17:18:05 +0100 From: Ingo Molnar Subject: Re: [PATCHv6 0/4] x86: 5-level related changes into decompression code Message-ID: <20180108161805.jrpmkcrwlr2rs4sy@gmail.com> References: <20171212135739.52714-1-kirill.shutemov@linux.intel.com> <20171218101045.arwbzmbxbhqgreeu@node.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171218101045.arwbzmbxbhqgreeu@node.shutemov.name> Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Ingo Molnar , "Kirill A. Shutemov" , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" , Linus Torvalds , Andy Lutomirski , Cyrill Gorcunov , Borislav Petkov , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org * Kirill A. Shutemov wrote: > On Tue, Dec 12, 2017 at 04:57:35PM +0300, Kirill A. Shutemov wrote: > > Here's few changes to x86 decompression code. > > > > The first patch is pure cosmetic change: it gives file with KASLR helpers > > a proper name. > > > > The last three patches bring support of booting into 5-level paging mode if > > a bootloader put the kernel above 4G. > > > > Patch 2/4 Renames l5_paging_required() into paging_prepare() and change > > interface of the function. > > Patch 3/4 Handles allocation of space for trampoline and gets it prepared. > > Patch 4/4 Gets trampoline used. > > > > Kirill A. Shutemov (4): > > x86/boot/compressed/64: Rename pagetable.c to kaslr_64.c > > x86/boot/compressed/64: Introduce paging_prepare() > > x86/boot/compressed/64: Prepare trampoline memory > > x86/boot/compressed/64: Handle 5-level paging boot if kernel is above > > 4G > > Ingo, does it look fine now? Yes, it looks structurally much better now - but we first need to address all existing regressions before we can move forward. ( Also, the PTI work created a bit of a distraction as well, but x86 patch integration should should be back to speed soon. ) Thanks, Ingo -- 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