4.9.75-stable review

This is the start of the stable review cycle for the 4.9.75 release. There are 39 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Fri Jan 5 19:50:44 UTC 2018. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.75-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 4.9.75-rc1

Kees Cook <[email protected]>
KPTI: Report when enabled

Kees Cook <[email protected]>
KPTI: Rename to PAGE_TABLE_ISOLATION

Borislav Petkov <[email protected]>
x86/kaiser: Move feature detection up

Jiri Kosina <[email protected]>
kaiser: disabled on Xen PV

Borislav Petkov <[email protected]>
x86/kaiser: Reenable PARAVIRT

Thomas Gleixner <[email protected]>
x86/paravirt: Dont patch flush_tlb_single

Hugh Dickins <[email protected]>
kaiser: kaiser_flush_tlb_on_return_to_user() check PCID

Hugh Dickins <[email protected]>
kaiser: asm/tlbflush.h handle noPGE at lower level

Hugh Dickins <[email protected]>
kaiser: drop is_atomic arg to kaiser_pagetable_walk()

Hugh Dickins <[email protected]>
kaiser: use ALTERNATIVE instead of x86_cr3_pcid_noflush

Borislav Petkov <[email protected]>
x86/kaiser: Check boottime cmdline params

Borislav Petkov <[email protected]>
x86/kaiser: Rename and simplify X86_FEATURE_KAISER handling

Hugh Dickins <[email protected]>
kaiser: add "nokaiser" boot option, using ALTERNATIVE

Hugh Dickins <[email protected]>
kaiser: fix unlikely error in alloc_ldt_struct()

Hugh Dickins <[email protected]>
kaiser: kaiser_remove_mapping() move along the pgd

Hugh Dickins <[email protected]>
kaiser: paranoid_entry pass cr3 need to paranoid_exit

Hugh Dickins <[email protected]>

    kaiser: x86_cr3_pcid_noflush and x86_cr3_pcid_user

Hugh Dickins <[email protected]>
kaiser: PCID 0 for kernel and 128 for user

Hugh Dickins <[email protected]>
kaiser: load_new_mm_cr3() let SWITCH_USER_CR3 flush user

Hugh Dickins <[email protected]>
kaiser: enhanced by kernel and user PCIDs

Hugh Dickins <[email protected]>
kaiser: vmstat show NR_KAISERTABLE as nr_overhead

Hugh Dickins <[email protected]>
kaiser: delete KAISER_REAL_SWITCH option

Hugh Dickins <[email protected]>

    kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET

Hugh Dickins <[email protected]>
kaiser: cleanups while trying for gold link

Hugh Dickins <[email protected]>
kaiser: align addition to x86/mm/Makefile

Hugh Dickins <[email protected]>
kaiser: tidied up kaiser_add/remove_mapping slightly

Hugh Dickins <[email protected]>
kaiser: tidied up asm/kaiser.h somewhat

Hugh Dickins <[email protected]>
kaiser: ENOMEM if kaiser_pagetable_walk() NULL

Hugh Dickins <[email protected]>
kaiser: fix perf crashes

Hugh Dickins <[email protected]>
kaiser: fix regs to do_nmi() ifndef CONFIG_KAISER

Hugh Dickins <[email protected]>
kaiser: KAISER depends on SMP

Hugh Dickins <[email protected]>
kaiser: fix build and FIXME in alloc_ldt_struct()

Hugh Dickins <[email protected]>
kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE

Hugh Dickins <[email protected]>
kaiser: do not set _PAGE_NX on pgd_none

Dave Hansen <[email protected]>
kaiser: merged update

Richard Fellner <[email protected]>
KAISER: Kernel Address Isolation

Tom Lendacky <[email protected]>
x86/boot: Add early cmdline parsing for options with arguments

Neal Cardwell <[email protected]>
tcp_bbr: reset long-term bandwidth sampling on loss recovery undo

Neal Cardwell <[email protected]>
tcp_bbr: reset full pipe detection on loss recovery undo

-------------

Diffstat:

 Documentation/kernel-parameters.txt         |   8 +
 Makefile                                    |   4 +-
 arch/x86/boot/compressed/misc.h             |   1 +
 arch/x86/entry/entry_64.S                   | 163 ++++++++--
 arch/x86/entry/entry_64_compat.S            |   8 +-
 arch/x86/events/intel/ds.c                  |  57 +++-
 arch/x86/include/asm/cmdline.h              |   2 +
 arch/x86/include/asm/cpufeatures.h          |   4 +
 arch/x86/include/asm/desc.h                 |   2 +-
 arch/x86/include/asm/hw_irq.h               |   2 +-
 arch/x86/include/asm/kaiser.h               | 141 +++++++++
 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/tlbflush.h             |  74 ++++-
 arch/x86/include/uapi/asm/processor-flags.h |   3 +-
 arch/x86/kernel/cpu/common.c                |  28 +-
 arch/x86/kernel/espfix_64.c                 |  10 +
 arch/x86/kernel/head_64.S                   |  35 ++-
 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/setup.c                     |   7 +
 arch/x86/kernel/tracepoint.c                |   2 +
 arch/x86/kvm/x86.c                          |   3 +-
 arch/x86/lib/cmdline.c                      | 105 +++++++
 arch/x86/mm/Makefile                        |   4 +-
 arch/x86/mm/init.c                          |   2 +-
 arch/x86/mm/init_64.c                       |  10 +
 arch/x86/mm/kaiser.c                        | 454 ++++++++++++++++++++++++++++
 arch/x86/mm/kaslr.c                         |   4 +-
 arch/x86/mm/pageattr.c                      |  63 +++-
 arch/x86/mm/pgtable.c                       |  12 +-
 arch/x86/mm/tlb.c                           |  39 ++-
 include/asm-generic/vmlinux.lds.h           |   7 +
 include/linux/kaiser.h                      |  52 ++++
 include/linux/mmzone.h                      |   3 +-
 include/linux/percpu-defs.h                 |  32 +-
 init/main.c                                 |   2 +
 kernel/fork.c                               |   6 +
 mm/vmstat.c                                 |   1 +
 net/ipv4/tcp_bbr.c                          |   5 +
 security/Kconfig                            |  10 +
 tools/arch/x86/include/asm/cpufeatures.h    |   3 +
 46 files changed, 1382 insertions(+), 101 deletions(-)