From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 127EE6B0003 for ; Wed, 14 Feb 2018 07:19:16 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id e1so755571pfn.13 for ; Wed, 14 Feb 2018 04:19:16 -0800 (PST) Received: from mga04.intel.com (mga04.intel.com. [192.55.52.120]) by mx.google.com with ESMTPS id 37-v6si2682948plc.715.2018.02.14.04.19.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Feb 2018 04:19:15 -0800 (PST) Date: Wed, 14 Feb 2018 15:19:10 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCH 9/9] x86/mm: Adjust virtual address space layout in early boot Message-ID: <20180214121910.yvnm7wcejpjux6eo@black.fi.intel.com> References: <20180214111656.88514-1-kirill.shutemov@linux.intel.com> <20180214111656.88514-10-kirill.shutemov@linux.intel.com> <20180214121049.z4cjsdwxaaq5gpv5@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180214121049.z4cjsdwxaaq5gpv5@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ingo Molnar Cc: Ingo Molnar , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" , Linus Torvalds , Andy Lutomirski , Borislav Petkov , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Wed, Feb 14, 2018 at 12:10:49PM +0000, Ingo Molnar wrote: > > * Kirill A. Shutemov wrote: > > > We need to adjust virtual address space to support switching between > > paging modes. > > > > The adjustment happens in __startup_64(). > > > > We also have to change KASLR code that doesn't expect variable > > VMALLOC_SIZE_TB. > > > > Signed-off-by: Kirill A. Shutemov > > --- > > arch/x86/boot/compressed/kaslr.c | 14 ++++++++-- > > arch/x86/include/asm/page_64_types.h | 9 ++---- > > arch/x86/include/asm/pgtable_64_types.h | 25 +++++++++-------- > > arch/x86/kernel/head64.c | 49 +++++++++++++++++++++++++++------ > > arch/x86/kernel/head_64.S | 2 +- > > arch/x86/mm/dump_pagetables.c | 3 ++ > > arch/x86/mm/kaslr.c | 11 ++++---- > > 7 files changed, 77 insertions(+), 36 deletions(-) > > This is too large and risky - would it be possible to split this up into multiple, > smaller patches? Let me check what I can do here. If you are fine with previous patches please apply. I will send split up of this patch separately. -- Kirill A. Shutemov -- 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