diff --git a/libc/kernel/uapi/asm-riscv/asm/auxvec.h b/libc/kernel/uapi/asm-riscv/asm/auxvec.h
index b0e22af..c70be17 100644
--- a/libc/kernel/uapi/asm-riscv/asm/auxvec.h
+++ b/libc/kernel/uapi/asm-riscv/asm/auxvec.h
@@ -25,5 +25,7 @@
 #define AT_L1D_CACHEGEOMETRY 43
 #define AT_L2_CACHESIZE 44
 #define AT_L2_CACHEGEOMETRY 45
-#define AT_VECTOR_SIZE_ARCH 7
+#define AT_L3_CACHESIZE 46
+#define AT_L3_CACHEGEOMETRY 47
+#define AT_VECTOR_SIZE_ARCH 9
 #endif
diff --git a/libc/kernel/uapi/asm-riscv/asm/kvm.h b/libc/kernel/uapi/asm-riscv/asm/kvm.h
index 8a317b6..5dc165b 100644
--- a/libc/kernel/uapi/asm-riscv/asm/kvm.h
+++ b/libc/kernel/uapi/asm-riscv/asm/kvm.h
@@ -39,6 +39,7 @@
 };
 struct kvm_riscv_config {
   unsigned long isa;
+  unsigned long zicbom_block_size;
 };
 struct kvm_riscv_core {
   struct user_regs_struct regs;
@@ -74,6 +75,9 @@
   KVM_RISCV_ISA_EXT_M,
   KVM_RISCV_ISA_EXT_SVPBMT,
   KVM_RISCV_ISA_EXT_SSTC,
+  KVM_RISCV_ISA_EXT_SVINVAL,
+  KVM_RISCV_ISA_EXT_ZIHINTPAUSE,
+  KVM_RISCV_ISA_EXT_ZICBOM,
   KVM_RISCV_ISA_EXT_MAX,
 };
 #define KVM_RISCV_TIMER_STATE_OFF 0