I'm announcing the release of the 4.9.120 kernel. All users of the 4.9 kernel series must upgrade. The updated 4.9.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.9.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/ABI/testing/sysfs-devices-system-cpu | 24 Documentation/index.rst | 1 Documentation/kernel-parameters.txt | 78 + Documentation/l1tf.rst | 610 +++++++++++ Documentation/virtual/kvm/api.txt | 40 Makefile | 2 arch/Kconfig | 3 arch/arm/boot/dts/imx6sx.dtsi | 2 arch/parisc/Kconfig | 2 arch/parisc/include/asm/barrier.h | 32 arch/parisc/kernel/entry.S | 2 arch/parisc/kernel/pacache.S | 1 arch/parisc/kernel/syscall.S | 4 arch/x86/Kconfig | 1 arch/x86/include/asm/apic.h | 10 arch/x86/include/asm/cpufeatures.h | 4 arch/x86/include/asm/dmi.h | 2 arch/x86/include/asm/hardirq.h | 26 arch/x86/include/asm/irqflags.h | 2 arch/x86/include/asm/kvm_host.h | 9 arch/x86/include/asm/msr-index.h | 7 arch/x86/include/asm/page_32_types.h | 9 arch/x86/include/asm/pgtable-2level.h | 17 arch/x86/include/asm/pgtable-3level.h | 37 arch/x86/include/asm/pgtable-invert.h | 32 arch/x86/include/asm/pgtable.h | 85 + arch/x86/include/asm/pgtable_64.h | 48 arch/x86/include/asm/pgtable_types.h | 10 arch/x86/include/asm/processor.h | 17 arch/x86/include/asm/smp.h | 1 arch/x86/include/asm/topology.h | 6 arch/x86/include/asm/vmx.h | 11 arch/x86/kernel/apic/apic.c | 19 arch/x86/kernel/apic/htirq.c | 2 arch/x86/kernel/apic/io_apic.c | 1 arch/x86/kernel/apic/msi.c | 1 arch/x86/kernel/apic/vector.c | 1 arch/x86/kernel/cpu/amd.c | 84 - arch/x86/kernel/cpu/bugs.c | 171 ++- arch/x86/kernel/cpu/common.c | 63 - arch/x86/kernel/cpu/cpu.h | 2 arch/x86/kernel/cpu/intel.c | 7 arch/x86/kernel/cpu/microcode/core.c | 26 arch/x86/kernel/cpu/topology.c | 41 arch/x86/kernel/fpu/core.c | 1 arch/x86/kernel/ftrace.c | 1 arch/x86/kernel/hpet.c | 1 arch/x86/kernel/i8259.c | 1 arch/x86/kernel/irq.c | 1 arch/x86/kernel/irq_32.c | 1 arch/x86/kernel/irq_64.c | 1 arch/x86/kernel/irqinit.c | 1 arch/x86/kernel/kprobes/core.c | 5 arch/x86/kernel/kprobes/opt.c | 1 arch/x86/kernel/paravirt.c | 14 arch/x86/kernel/setup.c | 6 arch/x86/kernel/smp.c | 1 arch/x86/kernel/smpboot.c | 25 arch/x86/kernel/time.c | 1 arch/x86/kvm/svm.c | 46 arch/x86/kvm/vmx.c | 426 ++++++- arch/x86/kvm/x86.c | 133 ++ arch/x86/mm/fault.c | 1 arch/x86/mm/init.c | 25 arch/x86/mm/kaiser.c | 1 arch/x86/mm/kmmio.c | 25 arch/x86/mm/mmap.c | 21 arch/x86/mm/pageattr.c | 8 arch/x86/platform/efi/efi_64.c | 1 arch/x86/platform/efi/quirks.c | 1 arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c | 1 arch/x86/platform/uv/tlb_uv.c | 1 arch/x86/xen/enlighten.c | 1 arch/x86/xen/setup.c | 1 drivers/acpi/acpi_lpss.c | 2 drivers/base/cpu.c | 8 drivers/char/tpm/tpm-dev.c | 43 drivers/infiniband/core/umem.c | 11 drivers/infiniband/hw/mlx4/mr.c | 50 drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 2 drivers/mtd/nand/qcom_nandc.c | 3 drivers/net/xen-netfront.c | 8 drivers/pci/host/pci-hyperv.c | 2 drivers/scsi/sr.c | 29 fs/dcache.c | 13 fs/ext4/ialloc.c | 5 fs/ext4/super.c | 8 fs/namespace.c | 28 fs/proc/inode.c | 3 fs/proc/internal.h | 7 fs/proc/proc_sysctl.c | 83 + include/asm-generic/pgtable.h | 13 include/linux/compiler-clang.h | 3 include/linux/cpu.h | 23 include/linux/swapfile.h | 2 include/linux/sysctl.h | 1 include/rdma/ib_verbs.h | 14 include/uapi/linux/kvm.h | 2 init/main.c | 2 kernel/cpu.c | 284 ++++- kernel/smp.c | 2 kernel/softirq.c | 12 mm/memory.c | 29 mm/mprotect.c | 49 mm/swapfile.c | 46 tools/arch/x86/include/asm/cpufeatures.h | 4 106 files changed, 2709 insertions(+), 388 deletions(-) Abel Vesa (1): cpu/hotplug: Non-SMP machines do not make use of booted_once Al Viro (4): root dentries need RCU-delayed freeing make sure that __dentry_kill() always invalidates d_seq, unhashed or not fix mntput/mntput race fix __legitimize_mnt()/mntput() race Andi Kleen (10): x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation x86/speculation/l1tf: Make sure the first page is always reserved x86/speculation/l1tf: Add sysfs reporting for l1tf x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings x86/speculation/l1tf: Limit swap file size to MAX_PA/2 x86/speculation/l1tf: Invert all not present mappings x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert x86/mm/pat: Make set_memory_np() L1TF safe x86/mm/kmmio: Make the tracer robust against L1TF Andrey Konovalov (1): kasan: add no_sanitize attribute for clang builds Ashok Raj (1): x86/microcode: Do not upload microcode if CPUs are offline Bart Van Assche (1): scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled Borislav Petkov (3): x86/CPU/AMD: Do not check CPUID max ext level before parsing SMP info x86/CPU/AMD: Move TOPOEXT reenablement before reading smp_num_siblings x86/CPU/AMD: Have smp_num_siblings and cpu_llc_id always be present David Woodhouse (1): tools headers: Synchronise x86 cpufeatures.h for L1TF additions Eric W. Biederman (2): proc/sysctl: Don't grab i_lock under sysctl_lock. proc: Fix proc_sys_prune_dcache to hold a sb reference Fabio Estevam (1): mtd: nand: qcom: Add a NULL check for devm_kasprintf() Greg Kroah-Hartman (1): Linux 4.9.120 Hans de Goede (1): ACPI / LPSS: Add missing prv_offset setting for byt/cht PWM devices Helge Deller (1): parisc: Enable CONFIG_MLONGCALLS by default Jack Morgenstein (2): IB/core: Make testing MR flags for writability a static inline function IB/mlx4: Mark user MR as writable if actual virtual memory is writable Jim Mattson (1): kvm: nVMX: Update MSR load counts on a VMCS switch Jiri Kosina (4): x86/speculation: Protect against userspace-userspace spectreRSB cpu/hotplug: Expose SMT control init function x86/bugs, kvm: Introduce boot-time control of L1TF mitigations x86/speculation/l1tf: Unbreak !__HAVE_ARCH_PFN_MODIFY_ALLOWED architectures John David Anglin (1): parisc: Define mb() and add memory barriers to assembler unlock sequences Josh Poimboeuf (2): cpu/hotplug: detect SMT disabled by BIOS x86/microcode: Allow late microcode loading with SMT disabled Juergen Gross (1): xen/netfront: don't cache skb_shinfo() Konrad Rzeszutek Wilk (9): x86/bugs: Move the l1tf function and define pr_fmt properly x86/cpufeatures: Add detection of L1D cache flush support. x86/KVM: Warn user if KVM is loaded SMT and L1TF CPU bug being present x86/KVM/VMX: Add module argument for L1TF mitigation x86/KVM/VMX: Split the VMX MSR LOAD structures to have an host/guest numbers x86/KVM/VMX: Add find_msr() helper function x86/KVM/VMX: Separate the VMX AUTOLOAD guest/host number accounting x86/KVM/VMX: Extend add_atomic_switch_msr() to allow VMENTER only MSRs x86/KVM/VMX: Use MSR save list for IA32_FLUSH_CMD if required Konstantin Khlebnikov (1): proc/sysctl: prune stale dentries during unregistering Linus Torvalds (4): Mark HI and TASKLET softirq synchronous init: rename and re-order boot_cpu_state_init() x86/speculation/l1tf: Change order of offset/type in swap entry x86/speculation/l1tf: Protect swap entries against L1TF Masami Hiramatsu (1): kprobes/x86: Fix %p uses in error messages Michael Mera (1): IB/ocrdma: fix out of bounds access to local buffer Michal Hocko (1): x86/speculation/l1tf: Fix up pte->pfn conversion for PAE Naoya Horiguchi (1): mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1 Nick Desaulniers (1): x86/irqflags: Provide a declaration for native_save_fl Nicolai Stange (9): x86/KVM/VMX: Initialize the vmx_l1d_flush_pages' content x86/KVM/VMX: Don't set l1tf_flush_l1d to true from vmx_l1d_flush() x86/KVM/VMX: Replace 'vmx_l1d_flush_always' with 'vmx_l1d_flush_cond' x86/KVM/VMX: Move the l1tf_flush_l1d test to vmx_l1d_flush() x86/irq: Demote irq_cpustat_t::__softirq_pending to u16 x86/KVM/VMX: Introduce per-host-cpu analogue of l1tf_flush_l1d x86: Don't include linux/irq.h from asm/hardirq.h x86/irq: Let interrupt handlers set kvm_cpu_l1tf_flush_l1d x86/KVM/VMX: Don't set l1tf_flush_l1d from vmx_handle_external_intr() Oleksij Rempel (1): ARM: dts: imx6sx: fix irq for pcie bridge Paolo Bonzini (7): x86/KVM/VMX: Add L1D flush algorithm x86/KVM/VMX: Add L1D MSR based flush x86/KVM/VMX: Add L1D flush logic KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR x86/speculation: Simplify sysfs report of VMX L1TF vulnerability x86/speculation: Use ARCH_CAPABILITIES to skip L1D flush on vmentry KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry Peter Zijlstra (1): x86/paravirt: Fix spectre-v2 mitigations for paravirt guests Suravee Suthikulpanit (1): x86/cpu/amd: Limit cpu_core_id fixup to families older than F17h Tadeusz Struk (1): tpm: fix race condition in tpm_common_write() Theodore Ts'o (1): ext4: fix check to prevent initializing reserved inodes Thomas Gleixner (26): x86/smp: Provide topology_is_primary_thread() x86/topology: Provide topology_smt_supported() cpu/hotplug: Make bringup/teardown of smp threads symmetric cpu/hotplug: Split do_cpu_down() cpu/hotplug: Provide knobs to control SMT x86/cpu: Remove the pointless CPU printout x86/cpu/AMD: Remove the pointless detect_ht() call x86/cpu/common: Provide detect_ht_early() x86/cpu/topology: Provide detect_extended_topology_early() x86/cpu/intel: Evaluate smp_num_siblings early x86/cpu/AMD: Evaluate smp_num_siblings early x86/apic: Ignore secondary threads if nosmt=force Revert "x86/apic: Ignore secondary threads if nosmt=force" cpu/hotplug: Boot HT siblings at least once cpu/hotplug: Online siblings when SMT control is turned on x86/litf: Introduce vmx status variable x86/kvm: Drop L1TF MSR list approach x86/l1tf: Handle EPT disabled state proper x86/kvm: Move l1tf setup function x86/kvm: Add static key for flush always x86/kvm: Serialize L1D flush parameter setter x86/kvm: Allow runtime control of L1D flush cpu/hotplug: Set CPU_SMT_NOT_SUPPORTED early Documentation: Add section about CPU vulnerabilities Documentation/l1tf: Remove Yonah processors from not vulnerable list cpu/hotplug: Fix SMT supported evaluation Tom Lendacky (2): KVM: x86: Add a framework for supporting MSR-based features KVM: SVM: Add MSR-based feature support for serializing LFENCE Tony Luck (1): Documentation/l1tf: Fix typos Vlastimil Babka (4): x86/speculation/l1tf: Extend 64bit swap file size limit x86/speculation/l1tf: Protect PAE swap entries against L1TF x86/smp: fix non-SMP broken build due to redefinition of apic_id_is_primary_thread x86/init: fix build with CONFIG_SWAP=n Wanpeng Li (2): KVM: X86: Introduce kvm_get_msr_feature() KVM: X86: Allow userspace to define the microcode version
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