diff --git a/libc/kernel/uapi/asm-x86/asm/hyperv.h b/libc/kernel/uapi/asm-x86/asm/hyperv.h
index 2d4b97a..d5c9b19 100644
--- a/libc/kernel/uapi/asm-x86/asm/hyperv.h
+++ b/libc/kernel/uapi/asm-x86/asm/hyperv.h
@@ -32,8 +32,7 @@
 #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1)
 #define HV_X64_MSR_REFERENCE_TSC_AVAILABLE (1 << 9)
 #define HV_X64_MSR_REFERENCE_TSC 0x40000021
-#define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11)
-#define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (1 << 11)
+#define HV_X64_ACCESS_FREQUENCY_MSRS (1 << 11)
 #define HV_X64_MSR_SYNIC_AVAILABLE (1 << 2)
 #define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 3)
 #define HV_X64_MSR_APIC_ACCESS_AVAILABLE (1 << 4)
@@ -41,6 +40,7 @@
 #define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6)
 #define HV_X64_MSR_RESET_AVAILABLE (1 << 7)
 #define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8)
+#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE (1 << 8)
 #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
 #define HV_X64_CREATE_PARTITIONS (1 << 0)
 #define HV_X64_ACCESS_PARTITION_ID (1 << 1)
@@ -68,6 +68,7 @@
 #define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 4)
 #define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5)
 #define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9)
+#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11)
 #define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
 #define HV_X64_MSR_GUEST_OS_ID 0x40000000
 #define HV_X64_MSR_HYPERCALL 0x40000001
@@ -121,7 +122,11 @@
 #define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001
 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12
 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK (~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
 #define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
 #define HVCALL_POST_MESSAGE 0x005c
 #define HVCALL_SIGNAL_EVENT 0x005d
 #define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
@@ -133,6 +138,14 @@
 #define HV_PROCESSOR_POWER_STATE_C1 1
 #define HV_PROCESSOR_POWER_STATE_C2 2
 #define HV_PROCESSOR_POWER_STATE_C3 3
+#define HV_FLUSH_ALL_PROCESSORS BIT(0)
+#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
+#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
+#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
+enum HV_GENERIC_SET_FORMAT {
+  HV_GENERIC_SET_SPARCE_4K,
+  HV_GENERIC_SET_ALL,
+};
 #define HV_STATUS_SUCCESS 0
 #define HV_STATUS_INVALID_HYPERCALL_CODE 2
 #define HV_STATUS_INVALID_HYPERCALL_INPUT 3
diff --git a/libc/kernel/uapi/asm-x86/asm/kvm_para.h b/libc/kernel/uapi/asm-x86/asm/kvm_para.h
index 78008df..b7635cb 100644
--- a/libc/kernel/uapi/asm-x86/asm/kvm_para.h
+++ b/libc/kernel/uapi/asm-x86/asm/kvm_para.h
@@ -61,6 +61,7 @@
 #define KVM_MAX_MMU_OP_BATCH 32
 #define KVM_ASYNC_PF_ENABLED (1 << 0)
 #define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
+#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2)
 #define KVM_MMU_OP_WRITE_PTE 1
 #define KVM_MMU_OP_FLUSH_TLB 2
 #define KVM_MMU_OP_RELEASE_PT 3
diff --git a/libc/kernel/uapi/asm-x86/asm/mman.h b/libc/kernel/uapi/asm-x86/asm/mman.h
index b958829..1061a6f 100644
--- a/libc/kernel/uapi/asm-x86/asm/mman.h
+++ b/libc/kernel/uapi/asm-x86/asm/mman.h
@@ -19,7 +19,5 @@
 #ifndef _ASM_X86_MMAN_H
 #define _ASM_X86_MMAN_H
 #define MAP_32BIT 0x40
-#define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT)
-#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
 #include <asm-generic/mman.h>
 #endif
diff --git a/libc/kernel/uapi/asm-x86/asm/processor-flags.h b/libc/kernel/uapi/asm-x86/asm/processor-flags.h
index 9f61c0a..f0f8dd2 100644
--- a/libc/kernel/uapi/asm-x86/asm/processor-flags.h
+++ b/libc/kernel/uapi/asm-x86/asm/processor-flags.h
@@ -104,6 +104,8 @@
 #define X86_CR4_OSFXSR _BITUL(X86_CR4_OSFXSR_BIT)
 #define X86_CR4_OSXMMEXCPT_BIT 10
 #define X86_CR4_OSXMMEXCPT _BITUL(X86_CR4_OSXMMEXCPT_BIT)
+#define X86_CR4_LA57_BIT 12
+#define X86_CR4_LA57 _BITUL(X86_CR4_LA57_BIT)
 #define X86_CR4_VMXE_BIT 13
 #define X86_CR4_VMXE _BITUL(X86_CR4_VMXE_BIT)
 #define X86_CR4_SMXE_BIT 14