From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752161AbeBZIEd (ORCPT ); Mon, 26 Feb 2018 03:04:33 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:37085 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929AbeBZIEb (ORCPT ); Mon, 26 Feb 2018 03:04:31 -0500 X-Google-Smtp-Source: AH8x225aZUeRIxcjHB97WpXgNViO1p+dvJ5Yk8wYlrmAvZJimzUV53o3Jbp3TAiq6pG48QloTeozEw== Date: Mon, 26 Feb 2018 11:04:22 +0300 From: "Kirill A. Shutemov" To: Ingo Molnar Cc: Borislav Petkov , tglx@linutronix.de, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, willy@infradead.org, hpa@zytor.com, kirill.shutemov@linux.intel.com, peterz@infradead.org, gorcunov@openvz.org, luto@amacapital.net, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/boot] x86/boot/compressed/64: Prepare trampoline memory Message-ID: <20180226080421.x3wm2v4yepp6vcjs@node.shutemov.name> References: <20180209142228.21231-4-kirill.shutemov@linux.intel.com> <20180224214818.GD29374@pd.tnic> <20180225105205.xicklkl3n5azdw2j@node.shutemov.name> <20180226073552.xabt55ukp24inut5@gmail.com> <20180226075027.r5n5j6jvfum5o3z6@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180226075027.r5n5j6jvfum5o3z6@gmail.com> User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 26, 2018 at 08:50:27AM +0100, Ingo Molnar wrote: > > * Ingo Molnar wrote: > > > We need to re-do this as we have now run into _exactly_ the kind of difficult to > > debug bug that I was worried about when I insisted on the many iterations of > > this patch-set... > > Ok, so I rebased tip:x86/mm and removed these two commits: > > adf9ca9c69a2: x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G > > arch/x86/boot/compressed/head_64.S | 127 ++++++++++++++++++++++++++----------- > 1 file changed, 89 insertions(+), 38 deletions(-) > > b91993a87aff: x86/boot/compressed/64: Prepare trampoline memory > > arch/x86/boot/compressed/head_64.S | 24 ++++++++++- > arch/x86/boot/compressed/pgtable.h | 18 ++++++++ > arch/x86/boot/compressed/pgtable_64.c | 79 +++++++++++++++++++++++++++++++++++ > 3 files changed, 120 insertions(+), 1 deletion(-) > > The other 5-level paging related commits tested out fine and are properly > fine-grained. > > Please split these two patches up - the first patch can probably be split up into > 5 parts or so. Let's start with no more than 5 patches per iteration, ok? Sure. -- Kirill A. Shutemov