[PATCH 4.4 00/20] 4.4.202-stable review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

This is the start of the stable review cycle for the 4.4.202 release.
There are 20 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 06:18:31 +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-4.4.202-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-4.4.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 4.4.202-rc1

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

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

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

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

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

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

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

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

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

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

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

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

Jim Mattson <jmattson@google.com>
    kvm: x86: IA32_ARCH_CAPABILITIES is always supported

Sean Christopherson <sean.j.christopherson@intel.com>
    KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts

Ben Hutchings <ben@decadent.org.uk>
    KVM: Introduce kvm_get_arch_capabilities()

Nicholas Piggin <npiggin@gmail.com>
    powerpc/boot: Request no dynamic linker for boot wrapper

Nicholas Piggin <npiggin@gmail.com>
    powerpc: Fix compiling a BE kernel with a powerpc64le toolchain

Michael Ellerman <mpe@ellerman.id.au>
    powerpc/Makefile: Use cflags-y/aflags-y for setting endian options

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

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


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

Diffstat:

 Documentation/ABI/testing/sysfs-devices-system-cpu |   2 +
 Documentation/hw-vuln/tsx_async_abort.rst          | 268 +++++++++++++++++++++
 Documentation/kernel-parameters.txt                |  62 +++++
 Documentation/x86/tsx_async_abort.rst              | 117 +++++++++
 Makefile                                           |   4 +-
 arch/mips/bcm63xx/reset.c                          |   2 +-
 arch/powerpc/Makefile                              |  31 ++-
 arch/powerpc/boot/wrapper                          |  24 +-
 arch/x86/Kconfig                                   |  45 ++++
 arch/x86/include/asm/cpufeatures.h                 |   2 +
 arch/x86/include/asm/kvm_host.h                    |   2 +
 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                         | 143 ++++++++++-
 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                               |  12 +
 arch/x86/kvm/vmx.c                                 |  15 --
 arch/x86/kvm/x86.c                                 |  53 +++-
 drivers/base/cpu.c                                 |  17 ++
 include/linux/cpu.h                                |   5 +
 25 files changed, 1019 insertions(+), 70 deletions(-)