linux-kernel - [PATCHv5, REBASED 0/9] x86: 5-level paging enabling for v4.12, Part 4

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Message-Id: <20170515121218.27610-1-kirill.shutemov@linux.intel.com>
Date:   Mon, 15 May 2017 15:12:09 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Andy Lutomirski <luto@...capital.net>,
        Dan Williams <dan.j.williams@...el.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCHv5, REBASED 0/9] x86: 5-level paging enabling for v4.12, Part 4

Here's rebased version the fourth and the last bunch of of patches that brings
initial 5-level paging enabling.

Please review and consider applying.

Kirill A. Shutemov (9):
  x86/asm: Fix comment in return_from_SYSCALL_64
  x86/boot/64: Rewrite startup_64 in C
  x86/boot/64: Rename init_level4_pgt and early_level4_pgt
  x86/boot/64: Add support of additional page table level during early
    boot
  x86/mm: Add sync_global_pgds() for configuration with 5-level paging
  x86/mm: Make kernel_physical_mapping_init() support 5-level paging
  x86/mm: Add support for 5-level paging for KASLR
  x86: Enable 5-level paging support
  x86/mm: Allow to have userspace mappings above 47-bits

 arch/x86/Kconfig                            |   5 +
 arch/x86/boot/compressed/head_64.S          |  23 ++++-
 arch/x86/entry/entry_64.S                   |   3 +-
 arch/x86/include/asm/elf.h                  |   4 +-
 arch/x86/include/asm/mpx.h                  |   9 ++
 arch/x86/include/asm/pgtable.h              |   2 +-
 arch/x86/include/asm/pgtable_64.h           |   6 +-
 arch/x86/include/asm/processor.h            |  11 ++-
 arch/x86/include/uapi/asm/processor-flags.h |   2 +
 arch/x86/kernel/espfix_64.c                 |   2 +-
 arch/x86/kernel/head64.c                    | 143 +++++++++++++++++++++++++---
 arch/x86/kernel/head_64.S                   | 134 ++++++--------------------
 arch/x86/kernel/machine_kexec_64.c          |   2 +-
 arch/x86/kernel/sys_x86_64.c                |  30 +++++-
 arch/x86/mm/dump_pagetables.c               |   2 +-
 arch/x86/mm/hugetlbpage.c                   |  27 +++++-
 arch/x86/mm/init_64.c                       | 108 +++++++++++++++++++--
 arch/x86/mm/kasan_init_64.c                 |  12 +--
 arch/x86/mm/kaslr.c                         |  81 ++++++++++++----
 arch/x86/mm/mmap.c                          |   6 +-
 arch/x86/mm/mpx.c                           |  33 ++++++-
 arch/x86/realmode/init.c                    |   2 +-
 arch/x86/xen/Kconfig                        |   1 +
 arch/x86/xen/mmu_pv.c                       |  18 ++--
 arch/x86/xen/xen-pvh.S                      |   2 +-
 25 files changed, 480 insertions(+), 188 deletions(-)

-- 
2.11.0