Merge 4.4.110 into android-4.4

Merge 4.4.110 into android-4.4

Changes in 4.4.110
	x86/boot: Add early cmdline parsing for options with arguments
	KAISER: Kernel Address Isolation
	kaiser: merged update
	kaiser: do not set _PAGE_NX on pgd_none
	kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE
	kaiser: fix build and FIXME in alloc_ldt_struct()
	kaiser: KAISER depends on SMP
	kaiser: fix regs to do_nmi() ifndef CONFIG_KAISER
	kaiser: fix perf crashes
	kaiser: ENOMEM if kaiser_pagetable_walk() NULL
	kaiser: tidied up asm/kaiser.h somewhat
	kaiser: tidied up kaiser_add/remove_mapping slightly
	kaiser: kaiser_remove_mapping() move along the pgd
	kaiser: cleanups while trying for gold link
	kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET
	kaiser: delete KAISER_REAL_SWITCH option
	kaiser: vmstat show NR_KAISERTABLE as nr_overhead
	kaiser: enhanced by kernel and user PCIDs
	kaiser: load_new_mm_cr3() let SWITCH_USER_CR3 flush user
	kaiser: PCID 0 for kernel and 128 for user
	kaiser: x86_cr3_pcid_noflush and x86_cr3_pcid_user
	kaiser: paranoid_entry pass cr3 need to paranoid_exit
	kaiser: _pgd_alloc() without __GFP_REPEAT to avoid stalls
	kaiser: fix unlikely error in alloc_ldt_struct()
	kaiser: add "nokaiser" boot option, using ALTERNATIVE
	x86/kaiser: Rename and simplify X86_FEATURE_KAISER handling
	x86/kaiser: Check boottime cmdline params
	kaiser: use ALTERNATIVE instead of x86_cr3_pcid_noflush
	kaiser: drop is_atomic arg to kaiser_pagetable_walk()
	kaiser: asm/tlbflush.h handle noPGE at lower level
	kaiser: kaiser_flush_tlb_on_return_to_user() check PCID
	x86/paravirt: Dont patch flush_tlb_single
	x86/kaiser: Reenable PARAVIRT
	kaiser: disabled on Xen PV
	x86/kaiser: Move feature detection up
	KPTI: Rename to PAGE_TABLE_ISOLATION
	KPTI: Report when enabled
	x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader
	x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap
	x86/kasan: Clear kasan_zero_page after TLB flush
	kaiser: Set _PAGE_NX only if supported
	Linux 4.4.110

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