tree dfae9dbe96733f89c1c0ee991be2e5373338e965
parent 9dc978d43ec78fb3d5126c1155369bd70d29fc96
parent 93e02ae4200184bab43ce29966e895826a756a37
author Greg Kroah-Hartman <gregkh@google.com> 1534350615 +0200
committer Greg Kroah-Hartman <gregkh@google.com> 1534350615 +0200
mergetag object 93e02ae4200184bab43ce29966e895826a756a37
 type commit
 tag v4.9.120
 tagger Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1534349711 +0200
 
 This is the 4.9.120 stable release
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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>