Index: VirtualBox-6.1.0_RC1/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
===================================================================
--- VirtualBox-6.1.0_RC1.orig/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
+++ VirtualBox-6.1.0_RC1/src/VBox/HostDrivers/VBoxNetFlt/linux/VBoxNetFlt-linux.c
@@ -73,6 +73,10 @@
 #define VBOXNETFLT_OS_SPECFIC 1
 #include "../VBoxNetFltInternal.h"
 
+# if CONFIG_SUSE_VERSION == 15 && CONFIG_SUSE_PATCHLEVEL == 2
+#  define OPENSUSE_152
+# endif
+
 typedef struct VBOXNETFLTNOTIFIER {
     struct notifier_block Notifier;
     PVBOXNETFLTINS pThis;
@@ -924,13 +928,13 @@ 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)
+# if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)) || defined(OPENSUSE_152)
         pSG->aSegs[iSeg].cb = pFrag->bv_len;
         pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->bv_offset;
-# else /* < KERNEL_VERSION(5, 4, 0) */
+# else /* < KERNEL_VERSION(5, 4, 0) */
         pSG->aSegs[iSeg].cb = pFrag->size;
         pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->page_offset;
-# endif /* >= KERNEL_VERSION(5, 4, 0) */
+# endif /* >= KERNEL_VERSION(5, 4, 0) */
         Log6((" %p", pSG->aSegs[iSeg].pv));
         pSG->aSegs[iSeg++].Phys = NIL_RTHCPHYS;
         Assert(iSeg <= pSG->cSegsAlloc);
@@ -945,13 +949,13 @@ 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)
+# if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)) || defined(OPENSUSE_152)
             pSG->aSegs[iSeg].cb = pFrag->bv_len;
             pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->bv_offset;
-# else /* < KERNEL_VERSION(5, 4, 0) */
+# else /* < KERNEL_VERSION(5, 4, 0) */
             pSG->aSegs[iSeg].cb = pFrag->size;
             pSG->aSegs[iSeg].pv = VBOX_SKB_KMAP_FRAG(pFrag) + pFrag->page_offset;
-# endif /* >= KERNEL_VERSION(5, 4, 0) */
+# endif /* >= KERNEL_VERSION(5, 4, 0) */
             Log6((" %p", pSG->aSegs[iSeg].pv));
             pSG->aSegs[iSeg++].Phys = NIL_RTHCPHYS;
             Assert(iSeg <= pSG->cSegsAlloc);
Index: VirtualBox-6.1.0_RC1/src/VBox/Additions/linux/drm/vbox_drv.c
===================================================================
--- VirtualBox-6.1.0_RC1.orig/src/VBox/Additions/linux/drm/vbox_drv.c
+++ VirtualBox-6.1.0_RC1/src/VBox/Additions/linux/drm/vbox_drv.c
@@ -307,11 +307,13 @@ static void vbox_master_drop(struct drm_
 static struct drm_driver driver = {
 #if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0)
 	.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 /* < KERNEL_VERSION(5, 1, 0) && !defined(RHEL_81) */
-	    DRIVER_PRIME,
+	    DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ,
 #else /* >= KERNEL_VERSION(5, 4, 0) */
         .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ,
 #endif /* < KERNEL_VERSION(5, 4, 0) */
Index: VirtualBox-6.1.0_RC1/src/VBox/Additions/linux/drm/vbox_main.c
===================================================================
--- VirtualBox-6.1.0_RC1.orig/src/VBox/Additions/linux/drm/vbox_main.c
+++ VirtualBox-6.1.0_RC1/src/VBox/Additions/linux/drm/vbox_main.c
@@ -626,8 +626,12 @@ static inline u64 vbox_bo_mmap_offset(st
 #elif 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 /* >= KERNEL_VERSION(5, 4, 0) */
+#endif
 }
 
 int
Index: VirtualBox-6.1.0_RC1/include/iprt/cdefs.h
===================================================================
--- VirtualBox-6.1.0_RC1.orig/include/iprt/cdefs.h
+++ VirtualBox-6.1.0_RC1/include/iprt/cdefs.h
@@ -1173,14 +1173,15 @@
  * 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