From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: [PATCH 0/6] x86: 5-level paging enabling for v4.12, Part 1 Date: Tue, 14 Mar 2017 11:24:09 +0300 Message-ID: <20170314082409.gjhefteglqbfb2gy@node.shutemov.name> References: <20170313143309.16020-1-kirill.shutemov@linux.intel.com> <20170314074729.GA23151@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20170314074729.GA23151@gmail.com> Sender: owner-linux-mm@kvack.org To: Ingo Molnar , Linus Torvalds Cc: "Kirill A. Shutemov" , Andrew Morton , x86@kernel.org, Thomas Gleixner , Ingo Molnar , Arnd Bergmann , "H. Peter Anvin" , Andi Kleen , Dave Hansen , Andy Lutomirski , Michal Hocko , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-Id: linux-arch.vger.kernel.org On Tue, Mar 14, 2017 at 08:47:29AM +0100, Ingo Molnar wrote: > > * Kirill A. Shutemov wrote: > > > Here's the first bunch of patches of 5-level patchset. Let's see if I'm on > > right track addressing Ingo's feedback. :) > > > > These patches prepare x86 code to be switched from > > to . It's a stepping stone for adding 5-level > > paging support. > > > > Please review and consider applying. > > > > Kirill A. Shutemov (6): > > x86/mm: Extend headers with basic definitions to support 5-level > > paging > > x86/mm: Convert trivial cases of page table walk to 5-level paging > > x86/gup: Add 5-level paging support > > x86/ident_map: Add 5-level paging support > > x86/vmalloc: Add 5-level paging support > > x86/power: Add 5-level paging support > > > > arch/x86/include/asm/pgtable-2level_types.h | 1 + > > arch/x86/include/asm/pgtable-3level_types.h | 1 + > > arch/x86/include/asm/pgtable.h | 26 +++++++++--- > > arch/x86/include/asm/pgtable_64_types.h | 1 + > > arch/x86/include/asm/pgtable_types.h | 30 ++++++++++++- > > arch/x86/kernel/tboot.c | 6 ++- > > arch/x86/kernel/vm86_32.c | 6 ++- > > arch/x86/mm/fault.c | 66 +++++++++++++++++++++++++---- > > arch/x86/mm/gup.c | 33 ++++++++++++--- > > arch/x86/mm/ident_map.c | 51 +++++++++++++++++++--- > > arch/x86/mm/init_32.c | 22 +++++++--- > > arch/x86/mm/ioremap.c | 3 +- > > arch/x86/mm/pgtable.c | 4 +- > > arch/x86/mm/pgtable_32.c | 8 +++- > > arch/x86/platform/efi/efi_64.c | 13 ++++-- > > arch/x86/power/hibernate_32.c | 7 ++- > > arch/x86/power/hibernate_64.c | 50 ++++++++++++++++------ > > 17 files changed, 269 insertions(+), 59 deletions(-) > > Much better! > > I've applied them, with (very) minor readability edits here and there, and will > push them out into tip:x86/mm and tip:master after some testing - you can use that > as a base for the remaining submissions. Thanks. > I've also applied the GUP patch, with the assumption that you'll address Linus's > request to switch x86 over to the generic version. Okay, I'll do this. I just want to make priorities clear here: is it okay to finish with the rest of 5-level paging patches first before moving to GUP_fast switch? -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f66.google.com ([74.125.82.66]:36121 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751054AbdCNIYS (ORCPT ); Tue, 14 Mar 2017 04:24:18 -0400 Received: by mail-wm0-f66.google.com with SMTP id v190so13538120wme.3 for ; Tue, 14 Mar 2017 01:24:17 -0700 (PDT) Date: Tue, 14 Mar 2017 11:24:09 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCH 0/6] x86: 5-level paging enabling for v4.12, Part 1 Message-ID: <20170314082409.gjhefteglqbfb2gy@node.shutemov.name> References: <20170313143309.16020-1-kirill.shutemov@linux.intel.com> <20170314074729.GA23151@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170314074729.GA23151@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Ingo Molnar , Linus Torvalds Cc: "Kirill A. Shutemov" , Andrew Morton , x86@kernel.org, Thomas Gleixner , Ingo Molnar , Arnd Bergmann , "H. Peter Anvin" , Andi Kleen , Dave Hansen , Andy Lutomirski , Michal Hocko , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Message-ID: <20170314082409.NOOYgHGJjHmiUTqNCUb4lrOh8POS6yCGXNwprVQNX40@z> On Tue, Mar 14, 2017 at 08:47:29AM +0100, Ingo Molnar wrote: > > * Kirill A. Shutemov wrote: > > > Here's the first bunch of patches of 5-level patchset. Let's see if I'm on > > right track addressing Ingo's feedback. :) > > > > These patches prepare x86 code to be switched from > > to . It's a stepping stone for adding 5-level > > paging support. > > > > Please review and consider applying. > > > > Kirill A. Shutemov (6): > > x86/mm: Extend headers with basic definitions to support 5-level > > paging > > x86/mm: Convert trivial cases of page table walk to 5-level paging > > x86/gup: Add 5-level paging support > > x86/ident_map: Add 5-level paging support > > x86/vmalloc: Add 5-level paging support > > x86/power: Add 5-level paging support > > > > arch/x86/include/asm/pgtable-2level_types.h | 1 + > > arch/x86/include/asm/pgtable-3level_types.h | 1 + > > arch/x86/include/asm/pgtable.h | 26 +++++++++--- > > arch/x86/include/asm/pgtable_64_types.h | 1 + > > arch/x86/include/asm/pgtable_types.h | 30 ++++++++++++- > > arch/x86/kernel/tboot.c | 6 ++- > > arch/x86/kernel/vm86_32.c | 6 ++- > > arch/x86/mm/fault.c | 66 +++++++++++++++++++++++++---- > > arch/x86/mm/gup.c | 33 ++++++++++++--- > > arch/x86/mm/ident_map.c | 51 +++++++++++++++++++--- > > arch/x86/mm/init_32.c | 22 +++++++--- > > arch/x86/mm/ioremap.c | 3 +- > > arch/x86/mm/pgtable.c | 4 +- > > arch/x86/mm/pgtable_32.c | 8 +++- > > arch/x86/platform/efi/efi_64.c | 13 ++++-- > > arch/x86/power/hibernate_32.c | 7 ++- > > arch/x86/power/hibernate_64.c | 50 ++++++++++++++++------ > > 17 files changed, 269 insertions(+), 59 deletions(-) > > Much better! > > I've applied them, with (very) minor readability edits here and there, and will > push them out into tip:x86/mm and tip:master after some testing - you can use that > as a base for the remaining submissions. Thanks. > I've also applied the GUP patch, with the assumption that you'll address Linus's > request to switch x86 over to the generic version. Okay, I'll do this. I just want to make priorities clear here: is it okay to finish with the rest of 5-level paging patches first before moving to GUP_fast switch? -- Kirill A. Shutemov