[GIT PULL] x86/mm changes for v4.17

From: Ingo Molnar
Date: Mon Apr 02 2018 - 06:05:52 EST

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Linus,

Please pull the latest x86-mm-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-mm-for-linus

# HEAD: eaeb8e76cd5751e805f6e4a3fcec91d283e3b0c2 x86/cpu/tme: Fix spelling: "configuation" -> "configuration"

- Extend the memmap= boot parameter syntax to allow the
redeclaration and dropping of existing ranges, and to
support all e820 range types.
(Jan H. Schönherr)

- Improve the W+X boot time security checks to remove false
positive warnings on Xen.
(Jan Beulich)

- Support booting as Xen PVH guest (Juergen Gross)

- Improved 5-level paging (LA57) support, in particular it's
possible now to have a single kernel image for both 4-level
and 5-level hardware.
(Kirill A. Shutemov)

- AMD hardware RAM encryption support (SME/SEV) fixes

(Tom Lendacky)

- Preparatory commits for hardware-encrypted RAM support on
Intel CPUs.
(Kirill A. Shutemov)

- Improved Intel-MID support (Andy Shevchenko)

- Show EFI page tables in page_tables debug files.

(Andy Lutomirski)

- ... plus misc fixes and smaller cleanups.

out-of-topic modifications in x86-mm-for-linus:
-------------------------------------------------
drivers/acpi/osl.c # dfc9327ab7c9: acpi: Introduce acpi_arch_ge
include/asm-generic/5level-fixup.h # c65e774fb3f6: x86/mm: Make PGDIR_SHIFT and
include/asm-generic/pgtable-nop4d.h# c65e774fb3f6: x86/mm: Make PGDIR_SHIFT and
include/linux/acpi.h # dfc9327ab7c9: acpi: Introduce acpi_arch_ge
include/linux/kasan.h # c65e774fb3f6: x86/mm: Make PGDIR_SHIFT and
include/linux/mmzone.h # fc5d1073cae2: x86/mm/32: Remove unused nod
mm/kasan/kasan_init.c # c65e774fb3f6: x86/mm: Make PGDIR_SHIFT and
mm/sparse.c # fc5d1073cae2: x86/mm/32: Remove unused nod
mm/zsmalloc.c # 02390b87a945: mm/zsmalloc: Prepare to vari

Thanks,

Ingo

------------------>
Andy Lutomirski (1):
x86/mm/dump_pagetables: Add the EFI pagetable to the debugfs 'page_tables' directory

Andy Shevchenko (3):
ACPI, x86/boot: Split out acpi_generic_reduce_hw_init() and export
ACPI, x86/boot: Introduce the ->reduced_hw_early_init() ACPI callback
x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms

Baoquan He (1):
kdump, vmcoreinfo: Export pgtable_l5_enabled value

Colin Ian King (1):
x86/cpu/tme: Fix spelling: "configuation" -> "configuration"

David Rientjes (1):
x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic

Jan Beulich (1):
x86/mm: Consider effective protection attributes in W+X check

Jan H. Schönherr (1):
x86/boot/e820: Implement a range manipulation operator

Juergen Gross (4):
acpi: Introduce acpi_arch_get_root_pointer() for getting rsdp address
x86/acpi: Add a new x86_init_acpi structure to x86_init_ops
x86/xen: Add pvh specific rsdp address retrieval function
x86/boot: Make the x86_init noop functions static

Kirill A. Shutemov (39):
x86/boot/compressed/64: Rename pagetable.c to kaslr_64.c
x86/boot/compressed/64: Introduce paging_prepare()
x86/mm/encrypt: Move page table helpers into separate translation unit
x86/mm/encrypt: Simplify sme_populate_pgd() and sme_populate_pgd_large()
x86/mm/encrypt: Simplify sme_pgtable_calc()
x86/mm/64: Make __PHYSICAL_MASK_SHIFT always 52
mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS
x86/mm: Make virtual memory layout dynamic for CONFIG_X86_5LEVEL=y
x86/mm: Introduce 'pgtable_l5_enabled'
x86/mm: Make LDT_BASE_ADDR dynamic
x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable
x86/mm: Make MAX_PHYSADDR_BITS and MAX_PHYSMEM_BITS dynamic
x86/mm: Make __VIRTUAL_MASK_SHIFT dynamic
x86/mm: Initialize 'pgtable_l5_enabled' at boot-time
x86/mm: Initialize 'pgdir_shift' and 'ptrs_per_p4d' at boot-time
x86/mm: Initialize 'page_offset_base' at boot-time
x86/mm: Adjust vmalloc base and size at boot-time
x86/mm: Initialize vmemmap_base at boot-time
x86/mm: Support boot-time switching of paging modes in the early boot code
x86/mm: Fold p4d page table layer at runtime
x86/mm: Replace compile-time checks for 5-level paging with runtime-time checks
x86/mm: Allow to boot without LA57 if CONFIG_X86_5LEVEL=y
x86/xen: Allow XEN_PV and XEN_PVH to be enabled with X86_5LEVEL
x86/mm: Redefine some of page table helpers as macros
x86/mm: Optimize boot-time paging mode switching cost
x86/boot/compressed/64: Describe the logic behind the LA57 check
x86/boot/compressed/64: Find a place for 32-bit trampoline
x86/boot/compressed/64: Save and restore trampoline memory
x86/boot/compressed/64: Set up trampoline memory
x86/boot/compressed/64: Prepare new top-level page table for trampoline
x86/mm: Do not use paravirtualized calls in native_set_p4d()
x86/boot/compressed/64: Make sure we have a 32-bit code segment
x86/boot/compressed/64: Use stack from trampoline memory
x86/boot/compressed/64: Use page table in trampoline memory
x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G
x86/tme: Detect if TME and MKTME is activated by BIOS
x86/pconfig: Detect PCONFIG targets
x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf
x86/mm: Update comment in detect_tme() regarding x86_phys_bits

Nadav Amit (1):
x86/mm: Align TLB invalidation info

Tom Lendacky (2):
x86/mm/sme: Disable stack protection for mem_encrypt_identity.c
x86/boot: Fix SEV boot failure from change to __PHYSICAL_MASK_SHIFT

Toshi Kani (1):
x86/mm: Remove pointless checks in vmalloc_fault

Documentation/admin-guide/kernel-parameters.txt | 9 +
Documentation/x86/x86_64/5level-paging.txt | 9 +-
arch/x86/Kconfig | 17 +-
arch/x86/boot/compressed/Makefile | 2 +-
arch/x86/boot/compressed/head_64.S | 168 ++++--
arch/x86/boot/compressed/kaslr.c | 14 +
.../boot/compressed/{pagetable.c => kaslr_64.c} | 14 +-
arch/x86/boot/compressed/mem_encrypt.S | 17 +-
arch/x86/boot/compressed/misc.c | 22 +-
arch/x86/boot/compressed/misc.h | 7 +-
arch/x86/boot/compressed/pgtable.h | 20 +
arch/x86/boot/compressed/pgtable_64.c | 148 +++++-
arch/x86/entry/entry_64.S | 5 +
arch/x86/include/asm/acpi.h | 11 +
arch/x86/include/asm/intel_pconfig.h | 65 +++
arch/x86/include/asm/kaslr.h | 4 -
arch/x86/include/asm/mem_encrypt.h | 1 +
arch/x86/include/asm/page_64.h | 4 +
arch/x86/include/asm/page_64_types.h | 20 +-
arch/x86/include/asm/paravirt.h | 21 +-
arch/x86/include/asm/pgalloc.h | 5 +-
arch/x86/include/asm/pgtable-3level_types.h | 1 +
arch/x86/include/asm/pgtable.h | 11 +-
arch/x86/include/asm/pgtable_32.h | 2 +
arch/x86/include/asm/pgtable_32_types.h | 2 +
arch/x86/include/asm/pgtable_64.h | 23 +-
arch/x86/include/asm/pgtable_64_types.h | 70 ++-
arch/x86/include/asm/required-features.h | 8 +-
arch/x86/include/asm/sparsemem.h | 9 +-
arch/x86/include/asm/x86_init.h | 11 +
arch/x86/kernel/acpi/boot.c | 22 +-
arch/x86/kernel/cpu/Makefile | 2 +-
arch/x86/kernel/cpu/intel.c | 87 ++++
arch/x86/kernel/cpu/intel_pconfig.c | 82 +++
arch/x86/kernel/cpu/mcheck/mce.c | 18 +-
arch/x86/kernel/e820.c | 18 +
arch/x86/kernel/head64.c | 81 ++-
arch/x86/kernel/head_64.S | 22 +-
arch/x86/kernel/machine_kexec_64.c | 1 +
arch/x86/kernel/setup.c | 5 +-
arch/x86/kernel/x86_init.c | 15 +-
arch/x86/mm/Makefile | 15 +-
arch/x86/mm/debug_pagetables.c | 32 ++
arch/x86/mm/dump_pagetables.c | 125 +++--
arch/x86/mm/fault.c | 60 +--
arch/x86/mm/ident_map.c | 2 +-
arch/x86/mm/init_64.c | 32 +-
arch/x86/mm/kasan_init_64.c | 20 +-
arch/x86/mm/kaslr.c | 29 +-
arch/x86/mm/mem_encrypt.c | 578 +--------------------
arch/x86/mm/mem_encrypt_identity.c | 564 ++++++++++++++++++++
arch/x86/mm/numa_32.c | 11 -
arch/x86/mm/tlb.c | 4 +-
arch/x86/platform/efi/efi_64.c | 10 +-
arch/x86/platform/intel-mid/intel-mid.c | 6 +
arch/x86/power/hibernate_64.c | 6 +-
arch/x86/xen/Kconfig | 5 -
arch/x86/xen/enlighten_pvh.c | 14 +-
arch/x86/xen/mmu_pv.c | 21 +
drivers/acpi/osl.c | 5 +-
include/asm-generic/5level-fixup.h | 1 +
include/asm-generic/pgtable-nop4d.h | 9 +-
include/linux/acpi.h | 7 +
include/linux/kasan.h | 2 +-
include/linux/mmzone.h | 5 -
mm/kasan/kasan_init.c | 2 +-
mm/sparse.c | 22 -
mm/zsmalloc.c | 13 +-
68 files changed, 1657 insertions(+), 1016 deletions(-)
rename arch/x86/boot/compressed/{pagetable.c => kaslr_64.c} (91%)
create mode 100644 arch/x86/boot/compressed/pgtable.h
create mode 100644 arch/x86/include/asm/intel_pconfig.h
create mode 100644 arch/x86/kernel/cpu/intel_pconfig.c
create mode 100644 arch/x86/mm/mem_encrypt_identity.c

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