diff --git a/libc/kernel/uapi/asm-arm64/asm/hwcap.h b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
index dcca79b..8a70a52 100644
--- a/libc/kernel/uapi/asm-arm64/asm/hwcap.h
+++ b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
@@ -68,4 +68,5 @@
 #define HWCAP2_DGH (1 << 15)
 #define HWCAP2_RNG (1 << 16)
 #define HWCAP2_BTI (1 << 17)
+#define HWCAP2_MTE (1 << 18)
 #endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/kvm.h b/libc/kernel/uapi/asm-arm64/asm/kvm.h
index 7c64817..32b6a2b 100644
--- a/libc/kernel/uapi/asm-arm64/asm/kvm.h
+++ b/libc/kernel/uapi/asm-arm64/asm/kvm.h
@@ -99,6 +99,14 @@
 };
 struct kvm_arch_memory_slot {
 };
+struct kvm_pmu_event_filter {
+  __u16 base_event;
+  __u16 nevents;
+#define KVM_PMU_EVENT_ALLOW 0
+#define KVM_PMU_EVENT_DENY 1
+  __u8 action;
+  __u8 pad[3];
+};
 struct kvm_vcpu_events {
   struct {
     __u8 serror_pending;
@@ -194,6 +202,7 @@
 #define KVM_ARM_VCPU_PMU_V3_CTRL 0
 #define KVM_ARM_VCPU_PMU_V3_IRQ 0
 #define KVM_ARM_VCPU_PMU_V3_INIT 1
+#define KVM_ARM_VCPU_PMU_V3_FILTER 2
 #define KVM_ARM_VCPU_TIMER_CTRL 1
 #define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0
 #define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1
diff --git a/libc/kernel/uapi/asm-arm64/asm/mman.h b/libc/kernel/uapi/asm-arm64/asm/mman.h
index ed77d09..98f72cf 100644
--- a/libc/kernel/uapi/asm-arm64/asm/mman.h
+++ b/libc/kernel/uapi/asm-arm64/asm/mman.h
@@ -20,4 +20,5 @@
 #define _UAPI__ASM_MMAN_H
 #include <asm-generic/mman.h>
 #define PROT_BTI 0x10
+#define PROT_MTE 0x20
 #endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/ptrace.h b/libc/kernel/uapi/asm-arm64/asm/ptrace.h
index 31ba117..480efcf 100644
--- a/libc/kernel/uapi/asm-arm64/asm/ptrace.h
+++ b/libc/kernel/uapi/asm-arm64/asm/ptrace.h
@@ -39,6 +39,7 @@
 #define PSR_PAN_BIT 0x00400000
 #define PSR_UAO_BIT 0x00800000
 #define PSR_DIT_BIT 0x01000000
+#define PSR_TCO_BIT 0x02000000
 #define PSR_V_BIT 0x10000000
 #define PSR_C_BIT 0x20000000
 #define PSR_Z_BIT 0x40000000
@@ -54,6 +55,8 @@
 #define PSR_BTYPE_J (0b11 << PSR_BTYPE_SHIFT)
 #define PTRACE_SYSEMU 31
 #define PTRACE_SYSEMU_SINGLESTEP 32
+#define PTRACE_PEEKMTETAGS 33
+#define PTRACE_POKEMTETAGS 34
 #ifndef __ASSEMBLY__
 struct user_pt_regs {
   __u64 regs[31];