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... 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(-)