Index: VirtualBox-6.0.14/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
===================================================================
--- VirtualBox-6.0.14.orig/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
+++ VirtualBox-6.0.14/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
@@ -924,8 +924,13 @@ static void vboxNetFltLinuxSkBufToSG(PVB
     for (i = 0; i < skb_shinfo(pBuf)->nr_frags; i++)
     {
         skb_frag_t *pFrag = &skb_shinfo(pBuf)->frags[i];
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
+        pSG->aSegs[iSeg].cb = pFrag->bv_len;
+        pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->bv_offset;
+#else
         pSG->aSegs[iSeg].cb = pFrag->size;
         pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->page_offset;
+#endif
         Log6((" %p", pSG->aSegs[iSeg].pv));
         pSG->aSegs[iSeg++].Phys = NIL_RTHCPHYS;
         Assert(iSeg <= pSG->cSegsAlloc);
@@ -940,8 +945,13 @@ static void vboxNetFltLinuxSkBufToSG(PVB
         for (i = 0; i < skb_shinfo(pFragBuf)->nr_frags; i++)
         {
             skb_frag_t *pFrag = &skb_shinfo(pFragBuf)->frags[i];
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
+            pSG->aSegs[iSeg].cb = pFrag->bv_len;
+            pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->bv_offset;
+#else
             pSG->aSegs[iSeg].cb = pFrag->size;
             pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->page_offset;
+#endif
             Log6((" %p", pSG->aSegs[iSeg].pv));
             pSG->aSegs[iSeg++].Phys = NIL_RTHCPHYS;
             Assert(iSeg <= pSG->cSegsAlloc);
Index: VirtualBox-6.0.14/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
===================================================================
--- VirtualBox-6.0.14.orig/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
+++ VirtualBox-6.0.14/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
@@ -443,9 +443,6 @@ RTR0DECL(void *) RTMemContAlloc(PRTCCPHY
             }
 
             SetPageReserved(&paPages[iPage]);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 20) /** @todo find the exact kernel where change_page_attr was introduced. */
-            MY_SET_PAGES_EXEC(&paPages[iPage], 1);
-#endif
         }
         *pPhys = page_to_phys(paPages);
         pvRet = phys_to_virt(page_to_phys(paPages));
@@ -491,9 +488,6 @@ RTR0DECL(void) RTMemContFree(void *pv, s
         for (iPage = 0; iPage < cPages; iPage++)
         {
             ClearPageReserved(&paPages[iPage]);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 4, 20) /** @todo find the exact kernel where change_page_attr was introduced. */
-            MY_SET_PAGES_NOEXEC(&paPages[iPage], 1);
-#endif
         }
         __free_pages(paPages, cOrder);
         IPRT_LINUX_RESTORE_EFL_AC();
Index: VirtualBox-6.0.14/src/VBox/Runtime/r0drv/linux/thread2-r0drv-linux.c
===================================================================
--- VirtualBox-6.0.14.orig/src/VBox/Runtime/r0drv/linux/thread2-r0drv-linux.c
+++ VirtualBox-6.0.14/src/VBox/Runtime/r0drv/linux/thread2-r0drv-linux.c
@@ -36,6 +36,9 @@
 #include <iprt/errcore.h>
 #include "internal/thread.h"
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
+#include <uapi/linux/sched/types.h>
+#endif
 
 RTDECL(RTTHREAD) RTThreadSelf(void)
 {
Index: VirtualBox-6.0.14/src/VBox/Additions/linux/drm/vbox_drv.c
===================================================================
--- VirtualBox-6.0.14.orig/src/VBox/Additions/linux/drm/vbox_drv.c
+++ VirtualBox-6.0.14/src/VBox/Additions/linux/drm/vbox_drv.c
@@ -271,11 +271,13 @@ static void vbox_master_drop(struct drm_
 
 static struct drm_driver driver = {
 	.driver_features =
-	    DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ |
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0)
+	    DRIVER_PRIME |
+#endif
 #if LINUX_VERSION_CODE < KERNEL_VERSION(5, 1, 0) && !defined(RHEL_81)
 	    DRIVER_IRQ_SHARED |
 #endif
-	    DRIVER_PRIME,
+	    DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ,
 	.dev_priv_size = 0,
 
 	.load = vbox_driver_load,
Index: VirtualBox-6.0.14/src/VBox/Additions/linux/drm/vbox_main.c
===================================================================
--- VirtualBox-6.0.14.orig/src/VBox/Additions/linux/drm/vbox_main.c
+++ VirtualBox-6.0.14/src/VBox/Additions/linux/drm/vbox_main.c
@@ -619,8 +619,12 @@ static inline u64 vbox_bo_mmap_offset(st
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0) && !defined(RHEL_70)
 	return bo->bo.addr_space_offset;
 #else
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
+	return drm_vma_node_offset_addr(&bo->bo.base.vma_node);
+#else
 	return drm_vma_node_offset_addr(&bo->bo.vma_node);
 #endif
+#endif
 }
 
 int
Index: VirtualBox-6.0.14/include/iprt/cdefs.h
===================================================================
--- VirtualBox-6.0.14.orig/include/iprt/cdefs.h
+++ VirtualBox-6.0.14/include/iprt/cdefs.h
@@ -1166,14 +1166,15 @@
  * Tell the compiler that we're falling through to the next case in a switch.
  * @sa RT_FALL_THRU  */
 #if RT_GNUC_PREREQ(7, 0)
-# define RT_FALL_THROUGH()      __attribute__((fallthrough))
+# define FALL_THROUGH		__attribute__((__fallthrough__))
 #else
-# define RT_FALL_THROUGH()      (void)0
+# define FALL_THROUGH      (void)0
 #endif
 /** @def RT_FALL_THRU
  * Tell the compiler that we're falling thru to the next case in a switch.
  * @sa RT_FALL_THROUGH */
-#define RT_FALL_THRU()          RT_FALL_THROUGH()
+#define RT_FALL_THRU()          FALL_THROUGH
+#define RT_FALL_THROUGH()	FALL_THROUGH
 
 
 /** @def RT_IPRT_FORMAT_ATTR