[PATCH 4.1 00/65] page table isolation for stable 4.1

[Pavel Tatashin]

The git of this backport can be found here:
git clone --branch pti_v4.1.49 https://github.com/soleen/linux

The patches were backported from stable 4.4 to Oracle UEK4.1, and from
UEK4.1 to Stable 4.1

Aaron Lu (1):
  x86/irq: Do not substract irq_tlb_count from irq_call_count

Andy Lutomirski (16):
  x86/mm: Add INVPCID helpers
  x86/mm: Add a 'noinvpcid' boot option to turn off INVPCID
  x86/mm: If INVPCID is available, use it to flush global mappings
  sched/core: Add switch_mm_irqs_off() and use it in the scheduler
  x86/mm: Build arch/x86/mm/tlb.c even on !SMP
  x86/mm, sched/core: Turn off IRQs in switch_mm()
  sched/core: Idle_task_exit() shouldn't use switch_mm_irqs_off()
  x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly()
  x86/mm: Remove flush_tlb() and flush_tlb_current_task()
  x86/mm: Make flush_tlb_mm_range() more predictable
  x86/mm: Reimplement flush_tlb_page() using flush_tlb_mm_range()
  x86/mm: Remove the UP asm/tlbflush.h code, always use the (formerly)
    SMP code
  x86/mm: Disable PCID on 32-bit kernels
  x86/mm: Add the 'nopcid' boot option to turn off PCID
  x86/mm: Enable CR4.PCIDE on supported systems
  x86/mm/64: Fix reboot interaction with CR4.PCIDE

Borislav Petkov (5):
  x86/mm: Fix INVPCID asm constraint
  x86/kaiser: Rename and simplify X86_FEATURE_KAISER handling
  x86/kaiser: Check boottime cmdline params
  x86/kaiser: Reenable PARAVIRT
  x86/kaiser: Move feature detection up

Dave Hansen (2):
  kaiser: merged update
  kaiser: enhanced by kernel and user PCIDs

Denys Vlasenko (3):
  x86/entry: Stop using PER_CPU_VAR(kernel_stack)
  x86/entry: Remove unused 'kernel_stack' per-cpu variable
  x86/entry: Define 'cpu_current_top_of_stack' for 64-bit code

Hugh Dickins (26):
  kaiser: do not set _PAGE_NX on pgd_none
  kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE
  kaiser: fix build and FIXME in alloc_ldt_struct()
  kaiser: KAISER depends on SMP
  kaiser: fix regs to do_nmi() ifndef CONFIG_KAISER
  kaiser: fix perf crashes
  kaiser: ENOMEM if kaiser_pagetable_walk() NULL
  kaiser: tidied up asm/kaiser.h somewhat
  kaiser: tidied up kaiser_add/remove_mapping slightly
  kaiser: kaiser_remove_mapping() move along the pgd
  kaiser: cleanups while trying for gold link
  kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET
  kaiser: delete KAISER_REAL_SWITCH option
  kaiser: vmstat show NR_KAISERTABLE as nr_overhead
  kaiser: load_new_mm_cr3() let SWITCH_USER_CR3 flush user
  kaiser: PCID 0 for kernel and 128 for user
  kaiser: x86_cr3_pcid_noflush and x86_cr3_pcid_user
  kaiser: paranoid_entry pass cr3 need to paranoid_exit
  kaiser: _pgd_alloc() without __GFP_REPEAT to avoid stalls
  kaiser: fix unlikely error in alloc_ldt_struct()
  kaiser: add "nokaiser" boot option, using ALTERNATIVE
  kaiser: add "nokaiser" boot option, using ALTERNATIVE
  kaiser: use ALTERNATIVE instead of x86_cr3_pcid_noflush
  kaiser: drop is_atomic arg to kaiser_pagetable_walk()
  kaiser: asm/tlbflush.h handle noPGE at lower level
  kaiser: kaiser_flush_tlb_on_return_to_user() check PCID

Ingo Molnar (1):
  mm/mmu_context, sched/core: Fix mmu_context.h assumption

Jamie Iles (1):
  x86/ldt: fix crash in ldt freeing.

Jiri Kosina (1):
  PTI: unbreak EFI old_memmap

Kees Cook (1):
  KPTI: Rename to PAGE_TABLE_ISOLATION

Konrad Rzeszutek Wilk (1):
  kpti: Disable when running under Xen PV

Pavel Tatashin (3):
  x86/mm, sched/core: Uninline switch_mm()
  pti: Rename X86_FEATURE_KAISER to X86_FEATURE_PTI
  x86/pti/efi: broken conversion from efi to kernel page table

Richard Fellner (1):
  KAISER: Kernel Address Isolation

Steven Rostedt (1):
  ARM: Hide finish_arch_post_lock_switch() from modules

Thomas Gleixner (1):
  x86/paravirt: Dont patch flush_tlb_single

Tom Lendacky (1):
  x86/boot: Add early cmdline parsing for options with arguments

 Documentation/kernel-parameters.txt         |  12 +
 arch/arm/include/asm/mmu_context.h          |   2 +
 arch/x86/boot/compressed/misc.h             |   1 +
 arch/x86/ia32/ia32entry.S                   |  11 +-
 arch/x86/include/asm/cmdline.h              |   2 +
 arch/x86/include/asm/cpufeature.h           |   7 +
 arch/x86/include/asm/desc.h                 |   2 +-
 arch/x86/include/asm/disabled-features.h    |   4 +-
 arch/x86/include/asm/hardirq.h              |   6 +-
 arch/x86/include/asm/hw_irq.h               |   2 +-
 arch/x86/include/asm/kaiser.h               | 151 ++++++++++
 arch/x86/include/asm/mmu.h                  |   6 -
 arch/x86/include/asm/mmu_context.h          | 101 +------
 arch/x86/include/asm/pgtable.h              |  28 +-
 arch/x86/include/asm/pgtable_64.h           |  25 +-
 arch/x86/include/asm/pgtable_types.h        |  29 +-
 arch/x86/include/asm/processor.h            |   2 +-
 arch/x86/include/asm/thread_info.h          |   8 +-
 arch/x86/include/asm/tlbflush.h             | 233 +++++++++------
 arch/x86/include/uapi/asm/processor-flags.h |   3 +-
 arch/x86/kernel/cpu/bugs.c                  |   8 +
 arch/x86/kernel/cpu/common.c                |  86 +++++-
 arch/x86/kernel/cpu/perf_event_intel_ds.c   |  57 +++-
 arch/x86/kernel/entry_64.S                  | 170 +++++++++--
 arch/x86/kernel/espfix_64.c                 |  10 +
 arch/x86/kernel/head_64.S                   |  35 ++-
 arch/x86/kernel/irq.c                       |   3 +-
 arch/x86/kernel/irqinit.c                   |   2 +-
 arch/x86/kernel/ldt.c                       |  25 +-
 arch/x86/kernel/paravirt_patch_64.c         |   2 -
 arch/x86/kernel/process.c                   |   2 +-
 arch/x86/kernel/process_32.c                |   5 +-
 arch/x86/kernel/process_64.c                |   3 -
 arch/x86/kernel/reboot.c                    |   4 +
 arch/x86/kernel/setup.c                     |   7 +
 arch/x86/kernel/smpboot.c                   |   2 -
 arch/x86/kernel/tracepoint.c                |   2 +
 arch/x86/kernel/vm86_32.c                   |   2 +-
 arch/x86/kvm/x86.c                          |   3 +-
 arch/x86/lib/cmdline.c                      | 105 +++++++
 arch/x86/mm/Makefile                        |   4 +-
 arch/x86/mm/init.c                          |   4 +-
 arch/x86/mm/init_64.c                       |  10 +
 arch/x86/mm/kaiser.c                        | 449 ++++++++++++++++++++++++++++
 arch/x86/mm/pageattr.c                      |  63 +++-
 arch/x86/mm/pgtable.c                       |  16 +-
 arch/x86/mm/tlb.c                           | 194 ++++++++----
 arch/x86/platform/efi/efi_64.c              |   6 +
 arch/x86/realmode/init.c                    |   4 +-
 arch/x86/realmode/rm/trampoline_64.S        |   3 +-
 arch/x86/xen/enlighten.c                    |   6 +
 arch/x86/xen/xen-asm_64.S                   |   6 +-
 include/asm-generic/vmlinux.lds.h           |   7 +
 include/linux/kaiser.h                      |  52 ++++
 include/linux/mmu_context.h                 |   7 +
 include/linux/mmzone.h                      |   3 +-
 include/linux/percpu-defs.h                 |  32 +-
 init/main.c                                 |   2 +
 kernel/fork.c                               |   6 +
 kernel/sched/core.c                         |   4 +-
 mm/mmu_context.c                            |   2 +-
 mm/vmstat.c                                 |   1 +
 security/Kconfig                            |  10 +
 63 files changed, 1687 insertions(+), 372 deletions(-)
 create mode 100644 arch/x86/include/asm/kaiser.h
 create mode 100644 arch/x86/mm/kaiser.c
 create mode 100644 include/linux/kaiser.h

-- 
2.16.2