[PATCH 4.9 00/31] 4.9.202-stable review

Greg Kroah-Hartman
2019-11-15T06:22:48Z

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@linuxfoundation.org>
Linux 4.9.202-rc1

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

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

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

Paolo Bonzini <pbonzini@redhat.com>
kvm: mmu: ITLB_MULTIHIT mitigation

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

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

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

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

Ben Hutchings <ben@decadent.org.uk>
KVM: x86: Add is_executable_pte()

Paolo Bonzini <pbonzini@redhat.com>
KVM: x86: change kvm_mmu_page_get_gfn BUG_ON to WARN_ON

Paolo Bonzini <pbonzini@redhat.com>
KVM: x86: remove now unneeded hugepage gfn adjustment

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

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

Junaid Shahid <junaids@google.com>
kvm: Convert kvm_lock to a mutex

Paolo Bonzini <pbonzini@redhat.com>
KVM: x86: extend usage of RET_MMIO_PF_* constants

Paolo Bonzini <pbonzini@redhat.com>
KVM: x86: simplify ept_misconfig

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

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

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

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

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/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(-)