[PATCH 4.9 00/31] 4.9.202-stable review

[Greg Kroah-Hartman]

This is the start of the stable review cycle for the 4.9.202 release.
There are 31 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 Sun, 17 Nov 2019 06:18:35 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.202-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 <gregkh@xxxxxxxxxxxxxxxxxxx>
    Linux 4.9.202-rc1

Gomez Iglesias, Antonio <antonio.gomez.iglesias@xxxxxxxxx>
    Documentation: Add ITLB_MULTIHIT documentation

Junaid Shahid <junaids@xxxxxxxxxx>
    kvm: x86: mmu: Recovery of shattered NX large pages

Junaid Shahid <junaids@xxxxxxxxxx>
    kvm: Add helper function for creating VM worker threads

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    kvm: mmu: ITLB_MULTIHIT mitigation

Tyler Hicks <tyhicks@xxxxxxxxxxxxx>
    cpu/speculation: Uninline and export CPU mitigations helpers

Vineela Tummalapalli <vineela.tummalapalli@xxxxxxxxx>
    x86/bugs: Add ITLB_MULTIHIT bug infrastructure

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is active

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: add tracepoints around __direct_map and FNAME(fetch)

Ben Hutchings <ben@xxxxxxxxxxxxxxx>
    KVM: x86: Add is_executable_pte()

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: change kvm_mmu_page_get_gfn BUG_ON to WARN_ON

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: remove now unneeded hugepage gfn adjustment

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: make FNAME(fetch) and __direct_map more similar

Junaid Shahid <junaids@xxxxxxxxxx>
    kvm: x86: Do not release the page inside mmu_set_spte()

Junaid Shahid <junaids@xxxxxxxxxx>
    kvm: Convert kvm_lock to a mutex

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: extend usage of RET_MMIO_PF_* constants

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: simplify ept_misconfig

Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
    x86/speculation/taa: Fix printing of TAA_MSG_SMT on IBRS_ALL CPUs

Michal Hocko <mhocko@xxxxxxxx>
    x86/tsx: Add config options to set tsx=on|off|auto

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/speculation/taa: Add documentation for TSX Async Abort

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/tsx: Add "auto" option to the tsx= cmdline parameter

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    kvm/x86: Export MDS_NO=0 to guests when TSX is enabled

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/speculation/taa: Add sysfs reporting for TSX Async Abort

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/speculation/taa: Add mitigation for TSX Async Abort

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/cpu: Add a helper function x86_read_arch_cap_msr()

Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx>
    x86/msr: Add the IA32_TSX_CTRL MSR

Paolo Bonzini <pbonzini@xxxxxxxxxx>
    KVM: x86: use Intel speculation bugs and features as derived in generic x86 code

Jack Pham <jackp@xxxxxxxxxxxxxx>
    usb: gadget: core: unmap request from DMA only if previously mapped

Jonas Gorski <jonas.gorski@xxxxxxxxx>
    MIPS: BCM63XX: fix switch core reset on BCM6368

Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
    Bluetooth: hci_ldisc: Postpone HCI_UART_PROTO_READY bit set in hci_uart_set_proto()

Junaid Shahid <junaids@xxxxxxxxxx>
    kvm: mmu: Don't read PDPTEs when paging is not enabled


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

Diffstat:

 Documentation/ABI/testing/sysfs-devices-system-cpu |   2 +
 Documentation/hw-vuln/index.rst                    |   2 +
 Documentation/hw-vuln/multihit.rst                 | 163 ++++++++
 Documentation/hw-vuln/tsx_async_abort.rst          | 276 +++++++++++++
 Documentation/kernel-parameters.txt                |  92 +++++
 Documentation/virtual/kvm/locking.txt              |   6 +-
 Documentation/x86/index.rst                        |   1 +
 Documentation/x86/tsx_async_abort.rst              | 117 ++++++
 Makefile                                           |   4 +-
 arch/mips/bcm63xx/reset.c                          |   2 +-
 arch/s390/kvm/kvm-s390.c                           |   4 +-
 arch/x86/Kconfig                                   |  45 ++
 arch/x86/include/asm/cpufeatures.h                 |   2 +
 arch/x86/include/asm/kvm_host.h                    |   6 +
 arch/x86/include/asm/msr-index.h                   |  16 +
 arch/x86/include/asm/nospec-branch.h               |   4 +-
 arch/x86/include/asm/processor.h                   |   7 +
 arch/x86/kernel/cpu/Makefile                       |   2 +-
 arch/x86/kernel/cpu/bugs.c                         | 161 +++++++-
 arch/x86/kernel/cpu/common.c                       |  93 +++--
 arch/x86/kernel/cpu/cpu.h                          |  18 +
 arch/x86/kernel/cpu/intel.c                        |   5 +
 arch/x86/kernel/cpu/tsx.c                          | 140 +++++++
 arch/x86/kvm/cpuid.c                               |   8 +
 arch/x86/kvm/mmu.c                                 | 452 +++++++++++++++++----
 arch/x86/kvm/mmu.h                                 |  21 +-
 arch/x86/kvm/mmutrace.h                            |  59 +++
 arch/x86/kvm/paging_tmpl.h                         |  79 ++--
 arch/x86/kvm/svm.c                                 |  10 +-
 arch/x86/kvm/vmx.c                                 |  27 +-
 arch/x86/kvm/x86.c                                 |  61 ++-
 drivers/base/cpu.c                                 |  17 +
 drivers/bluetooth/hci_ldisc.c                      |   3 +-
 drivers/usb/gadget/udc/core.c                      |   5 +-
 include/linux/cpu.h                                |  30 +-
 include/linux/kvm_host.h                           |   8 +-
 include/linux/usb/gadget.h                         |   2 +
 kernel/cpu.c                                       |  27 +-
 virt/kvm/kvm_main.c                                | 132 +++++-
 39 files changed, 1855 insertions(+), 254 deletions(-)