diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 246617e..a65ec29 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -9,6 +9,22 @@
 #include <linux/types.h>
 #include <linux/ioctl.h>
 
+#define DE_VECTOR 0
+#define DB_VECTOR 1
+#define BP_VECTOR 3
+#define OF_VECTOR 4
+#define BR_VECTOR 5
+#define UD_VECTOR 6
+#define NM_VECTOR 7
+#define DF_VECTOR 8
+#define TS_VECTOR 10
+#define NP_VECTOR 11
+#define SS_VECTOR 12
+#define GP_VECTOR 13
+#define PF_VECTOR 14
+#define MF_VECTOR 16
+#define MC_VECTOR 18
+
 /* Select x86 specific features in <linux/kvm.h> */
 #define __KVM_HAVE_PIT
 #define __KVM_HAVE_IOAPIC
@@ -25,6 +41,7 @@
 #define __KVM_HAVE_DEBUGREGS
 #define __KVM_HAVE_XSAVE
 #define __KVM_HAVE_XCRS
+#define __KVM_HAVE_READONLY_MEM
 
 /* Architectural interrupt line count. */
 #define KVM_NR_INTERRUPTS 256
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 4b9e575..81d2feb 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -101,9 +101,13 @@ struct kvm_userspace_memory_region {
 	__u64 userspace_addr; /* start of the userspace allocated memory */
 };
 
-/* for kvm_memory_region::flags */
-#define KVM_MEM_LOG_DIRTY_PAGES  1UL
-#define KVM_MEMSLOT_INVALID      (1UL << 1)
+/*
+ * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
+ * other bits are reserved for kvm internal use which are defined in
+ * include/linux/kvm_host.h.
+ */
+#define KVM_MEM_LOG_DIRTY_PAGES	(1UL << 0)
+#define KVM_MEM_READONLY	(1UL << 1)
 
 /* for KVM_IRQ_LINE */
 struct kvm_irq_level {
@@ -618,6 +622,10 @@ struct kvm_ppc_smmu_info {
 #define KVM_CAP_PPC_GET_SMMU_INFO 78
 #define KVM_CAP_S390_COW 79
 #define KVM_CAP_PPC_ALLOC_HTAB 80
+#ifdef __KVM_HAVE_READONLY_MEM
+#define KVM_CAP_READONLY_MEM 81
+#endif
+#define KVM_CAP_IRQFD_RESAMPLE 82
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -683,12 +691,21 @@ struct kvm_xen_hvm_config {
 #endif
 
 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
+/*
+ * Available with KVM_CAP_IRQFD_RESAMPLE
+ *
+ * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
+ * the irqfd to operate in resampling mode for level triggered interrupt
+ * emlation.  See Documentation/virtual/kvm/api.txt.
+ */
+#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
 
 struct kvm_irqfd {
 	__u32 fd;
 	__u32 gsi;
 	__u32 flags;
-	__u8  pad[20];
+	__u32 resamplefd;
+	__u8  pad[16];
 };
 
 struct kvm_clock_data {
diff --git a/linux-headers/linux/kvm_para.h b/linux-headers/linux/kvm_para.h
index 7bdcf93..cea2c5c 100644
--- a/linux-headers/linux/kvm_para.h
+++ b/linux-headers/linux/kvm_para.h
@@ -1,5 +1,5 @@
-#ifndef __LINUX_KVM_PARA_H
-#define __LINUX_KVM_PARA_H
+#ifndef _UAPI__LINUX_KVM_PARA_H
+#define _UAPI__LINUX_KVM_PARA_H
 
 /*
  * This header file provides a method for making a hypercall to the host
@@ -25,4 +25,4 @@
  */
 #include <asm/kvm_para.h>
 
-#endif /* __LINUX_KVM_PARA_H */
+#endif /* _UAPI__LINUX_KVM_PARA_H */
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index f787b72..4758d1b 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -8,8 +8,8 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#ifndef VFIO_H
-#define VFIO_H
+#ifndef _UAPIVFIO_H
+#define _UAPIVFIO_H
 
 #include <linux/types.h>
 #include <linux/ioctl.h>
@@ -365,4 +365,4 @@ struct vfio_iommu_type1_dma_unmap {
 
 #define VFIO_IOMMU_UNMAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 14)
 
-#endif /* VFIO_H */
+#endif /* _UAPIVFIO_H */
diff --git a/linux-headers/linux/virtio_config.h b/linux-headers/linux/virtio_config.h
index 4f51d8f..b7cda39 100644
--- a/linux-headers/linux/virtio_config.h
+++ b/linux-headers/linux/virtio_config.h
@@ -1,5 +1,5 @@
-#ifndef _LINUX_VIRTIO_CONFIG_H
-#define _LINUX_VIRTIO_CONFIG_H
+#ifndef _UAPI_LINUX_VIRTIO_CONFIG_H
+#define _UAPI_LINUX_VIRTIO_CONFIG_H
 /* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
  * anyone can use the definitions to implement compatible drivers/servers.
  *
@@ -51,4 +51,4 @@
  * suppressed them? */
 #define VIRTIO_F_NOTIFY_ON_EMPTY	24
 
-#endif /* _LINUX_VIRTIO_CONFIG_H */
+#endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */
diff --git a/linux-headers/linux/virtio_ring.h b/linux-headers/linux/virtio_ring.h
index 1b333e2..921694a 100644
--- a/linux-headers/linux/virtio_ring.h
+++ b/linux-headers/linux/virtio_ring.h
@@ -1,5 +1,5 @@
-#ifndef _LINUX_VIRTIO_RING_H
-#define _LINUX_VIRTIO_RING_H
+#ifndef _UAPI_LINUX_VIRTIO_RING_H
+#define _UAPI_LINUX_VIRTIO_RING_H
 /* An interface for efficient virtio implementation, currently for use by KVM
  * and lguest, but hopefully others soon.  Do NOT change this since it will
  * break existing servers and clients.
@@ -160,4 +160,4 @@ static __inline__ int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old
 	return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old);
 }
 
-#endif /* _LINUX_VIRTIO_RING_H */
+#endif /* _UAPI_LINUX_VIRTIO_RING_H */
