Merge 4.14.18 into android-4.14

Changes in 4.14.18
	scripts/faddr2line: fix CROSS_COMPILE unset error
	powerpc/64s: Wire up cpu_show_meltdown()
	powerpc/64s: Allow control of RFI flush via debugfs
	x86/retpoline: Remove the esp/rsp thunk
	KVM: x86: Make indirect calls in emulator speculation safe
	KVM: VMX: Make indirect call speculation safe
	module/retpoline: Warn about missing retpoline in module
	x86/cpufeatures: Add CPUID_7_EDX CPUID leaf
	x86/cpufeatures: Add Intel feature bits for Speculation Control
	x86/cpufeatures: Add AMD feature bits for Speculation Control
	x86/msr: Add definitions for new speculation control MSRs
	x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown
	x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 microcodes
	x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support
	x86/alternative: Print unadorned pointers
	x86/nospec: Fix header guards names
	x86/bugs: Drop one "mitigation" from dmesg
	x86/cpu/bugs: Make retpoline module warning conditional
	x86/cpufeatures: Clean up Spectre v2 related CPUID flags
	x86/retpoline: Simplify vmexit_fill_RSB()
	x86/speculation: Simplify indirect_branch_prediction_barrier()
	auxdisplay: img-ascii-lcd: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
	iio: adc/accel: Fix up module licenses
	pinctrl: pxa: pxa2xx: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
	ASoC: pcm512x: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
	KVM: nVMX: Eliminate vmcs02 pool
	KVM: VMX: introduce alloc_loaded_vmcs
	objtool: Improve retpoline alternative handling
	objtool: Add support for alternatives at the end of a section
	objtool: Warn on stripped section symbol
	x86/mm: Fix overlap of i386 CPU_ENTRY_AREA with FIX_BTMAP
	x86/spectre: Check CONFIG_RETPOLINE in command line parser
	x86/entry/64: Remove the SYSCALL64 fast path
	x86/entry/64: Push extra regs right away
	x86/asm: Move 'status' from thread_struct to thread_info
	Documentation: Document array_index_nospec
	array_index_nospec: Sanitize speculative array de-references
	x86: Implement array_index_mask_nospec
	x86: Introduce barrier_nospec
	x86: Introduce __uaccess_begin_nospec() and uaccess_try_nospec
	x86/usercopy: Replace open coded stac/clac with __uaccess_{begin, end}
	x86/uaccess: Use __uaccess_begin_nospec() and uaccess_try_nospec
	x86/get_user: Use pointer masking to limit speculation
	x86/syscall: Sanitize syscall table de-references under speculation
	vfs, fdtable: Prevent bounds-check bypass via speculative execution
	nl80211: Sanitize array index in parse_txq_params
	x86/spectre: Report get_user mitigation for spectre_v1
	x86/spectre: Fix spelling mistake: "vunerable"-> "vulnerable"
	x86/cpuid: Fix up "virtual" IBRS/IBPB/STIBP feature bits on Intel
	x86/speculation: Use Indirect Branch Prediction Barrier in context switch
	x86/paravirt: Remove 'noreplace-paravirt' cmdline option
	KVM: VMX: make MSR bitmaps per-VCPU
	x86/kvm: Update spectre-v1 mitigation
	x86/retpoline: Avoid retpolines for built-in __init functions
	x86/spectre: Simplify spectre_v2 command line parsing
	x86/pti: Mark constant arrays as __initconst
	x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
	KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX
	KVM/x86: Add IBPB support
	KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
	KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
	KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
	serial: core: mark port as initialized after successful IRQ change
	fpga: region: release of_parse_phandle nodes after use
	Linux 4.14.18

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>