Merge 4.9.120 into android-4.9
Changes in 4.9.120
ext4: fix check to prevent initializing reserved inodes
tpm: fix race condition in tpm_common_write()
parisc: Enable CONFIG_MLONGCALLS by default
parisc: Define mb() and add memory barriers to assembler unlock sequences
kasan: add no_sanitize attribute for clang builds
Mark HI and TASKLET softirq synchronous
xen/netfront: don't cache skb_shinfo()
ACPI / LPSS: Add missing prv_offset setting for byt/cht PWM devices
scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled
init: rename and re-order boot_cpu_state_init()
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
proc/sysctl: prune stale dentries during unregistering
proc/sysctl: Don't grab i_lock under sysctl_lock.
proc: Fix proc_sys_prune_dcache to hold a sb reference
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
mtd: nand: qcom: Add a NULL check for devm_kasprintf()
IB/ocrdma: fix out of bounds access to local buffer
ARM: dts: imx6sx: fix irq for pcie bridge
x86/paravirt: Fix spectre-v2 mitigations for paravirt guests
x86/speculation: Protect against userspace-userspace spectreRSB
kprobes/x86: Fix %p uses in error messages
x86/irqflags: Provide a declaration for native_save_fl
x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT
mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1
x86/speculation/l1tf: Change order of offset/type in swap entry
x86/speculation/l1tf: Protect swap entries against L1TF
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/bugs: Move the l1tf function and define pr_fmt properly
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: Do not check CPUID max ext level before parsing SMP info
x86/cpu/AMD: Evaluate smp_num_siblings early
x86/apic: Ignore secondary threads if nosmt=force
x86/speculation/l1tf: Extend 64bit swap file size limit
x86/cpufeatures: Add detection of L1D cache flush support.
x86/CPU/AMD: Move TOPOEXT reenablement before reading smp_num_siblings
x86/speculation/l1tf: Protect PAE swap entries against L1TF
x86/speculation/l1tf: Fix up pte->pfn conversion for PAE
Revert "x86/apic: Ignore secondary threads if nosmt=force"
cpu/hotplug: Boot HT siblings at least once
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: Add L1D flush algorithm
x86/KVM/VMX: Add L1D MSR based flush
x86/KVM/VMX: Add L1D flush logic
kvm: nVMX: Update MSR load counts on a VMCS switch
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
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: Expose SMT control init function
cpu/hotplug: Set CPU_SMT_NOT_SUPPORTED early
x86/bugs, kvm: Introduce boot-time control of L1TF mitigations
Documentation: Add section about CPU vulnerabilities
x86/KVM/VMX: Initialize the vmx_l1d_flush_pages' content
Documentation/l1tf: Fix typos
cpu/hotplug: detect SMT disabled by BIOS
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()
Documentation/l1tf: Remove Yonah processors from not vulnerable list
KVM: x86: Add a framework for supporting MSR-based features
KVM: SVM: Add MSR-based feature support for serializing LFENCE
KVM: X86: Introduce kvm_get_msr_feature()
KVM: X86: Allow userspace to define the microcode version
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
cpu/hotplug: Fix SMT supported evaluation
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
tools headers: Synchronise x86 cpufeatures.h for L1TF additions
x86/microcode: Do not upload microcode if CPUs are offline
x86/microcode: Allow late microcode loading with SMT disabled
x86/smp: fix non-SMP broken build due to redefinition of apic_id_is_primary_thread
cpu/hotplug: Non-SMP machines do not make use of booted_once
x86/init: fix build with CONFIG_SWAP=n
x86/speculation/l1tf: Unbreak !__HAVE_ARCH_PFN_MODIFY_ALLOWED architectures
x86/cpu/amd: Limit cpu_core_id fixup to families older than F17h
x86/CPU/AMD: Have smp_num_siblings and cpu_llc_id always be present
Linux 4.9.120
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>