diff --git a/src.herb/VirtualBox-6.1.12/include/iprt/memobj.h b/src.loqs/VirtualBox-6.1.12/include/iprt/memobj.h
index 2510d8b..4925315 100644
--- a/src.herb/VirtualBox-6.1.12/include/iprt/memobj.h
+++ b/src.loqs/VirtualBox-6.1.12/include/iprt/memobj.h
@@ -127,7 +127,10 @@ RTR0DECL(int) RTR0MemObjFree(RTR0MEMOBJ MemObj, bool fFreeMappings);
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  */
 #define RTR0MemObjAllocPage(pMemObj, cb, fExecutable) \
     RTR0MemObjAllocPageTag((pMemObj), (cb), (fExecutable), RTMEM_TAG)
@@ -140,7 +143,10 @@ RTR0DECL(int) RTR0MemObjFree(RTR0MEMOBJ MemObj, bool fFreeMappings);
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  * @param   pszTag          Allocation tag used for statistics and such.
  */
 RTR0DECL(int) RTR0MemObjAllocPageTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecutable, const char *pszTag);
@@ -154,7 +160,10 @@ RTR0DECL(int) RTR0MemObjAllocPageTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecu
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  */
 #define RTR0MemObjAllocLow(pMemObj, cb, fExecutable) \
     RTR0MemObjAllocLowTag((pMemObj), (cb), (fExecutable), RTMEM_TAG)
@@ -168,7 +177,10 @@ RTR0DECL(int) RTR0MemObjAllocPageTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecu
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  * @param   pszTag          Allocation tag used for statistics and such.
  */
 RTR0DECL(int) RTR0MemObjAllocLowTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecutable, const char *pszTag);
@@ -182,7 +194,10 @@ RTR0DECL(int) RTR0MemObjAllocLowTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecut
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  */
 #define RTR0MemObjAllocCont(pMemObj, cb, fExecutable) \
     RTR0MemObjAllocContTag((pMemObj), (cb), (fExecutable), RTMEM_TAG)
@@ -196,7 +211,10 @@ RTR0DECL(int) RTR0MemObjAllocLowTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecut
  * @returns IPRT status code.
  * @param   pMemObj         Where to store the ring-0 memory object handle.
  * @param   cb              Number of bytes to allocate. This is rounded up to nearest page.
- * @param   fExecutable     Flag indicating whether it should be permitted to executed code in the memory object.
+ * @param   fExecutable     Flag indicating whether it should be permitted to
+ *                          executed code in the memory object.  The user must
+ *                          use RTR0MemObjProtect after initialization the
+ *                          allocation to actually make it executable.
  * @param   pszTag          Allocation tag used for statistics and such.
  */
 RTR0DECL(int) RTR0MemObjAllocContTag(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecutable, const char *pszTag);
diff --git a/src.herb/VirtualBox-6.1.12/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c b/src.loqs/VirtualBox-6.1.12/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
index 2e7aa6e..ba96384 100644
--- a/src.herb/VirtualBox-6.1.12/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
+++ b/src.loqs/VirtualBox-6.1.12/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
@@ -144,9 +144,9 @@ static int force_async_tsc = 0;
  * Memory for the executable memory heap (in IPRT).
  */
 # ifdef DEBUG
-#  define EXEC_MEMORY_SIZE   8388608    /* 8 MB */
+#  define EXEC_MEMORY_SIZE   10485760   /* 10 MB */
 # else
-#  define EXEC_MEMORY_SIZE   2097152    /* 2 MB */
+#  define EXEC_MEMORY_SIZE   8388608    /* 8 MB */
 # endif
 extern uint8_t g_abExecMemory[EXEC_MEMORY_SIZE];
 # ifndef VBOX_WITH_TEXT_MODMEM_HACK
@@ -756,27 +756,25 @@ EXPORT_SYMBOL(SUPDrvLinuxIDC);
 
 RTCCUINTREG VBOXCALL supdrvOSChangeCR4(RTCCUINTREG fOrMask, RTCCUINTREG fAndMask)
 {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 20, 0)
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
-    RTCCUINTREG uOld = this_cpu_read(cpu_tlbstate.cr4);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
+    RTCCUINTREG const uOld = __read_cr4();
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 20, 0)
+    RTCCUINTREG const uOld = this_cpu_read(cpu_tlbstate.cr4);
 #else
-    RTCCUINTREG uOld = __read_cr4();
+    RTCCUINTREG const uOld = ASMGetCR4();
 #endif
-    RTCCUINTREG uNew = (uOld & fAndMask) | fOrMask;
+    RTCCUINTREG const uNew = (uOld & fAndMask) | fOrMask;
     if (uNew != uOld)
     {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
+        ASMSetCR4(uNew);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 20, 0)
         this_cpu_write(cpu_tlbstate.cr4, uNew);
         __write_cr4(uNew);
-#endif
-        ASMSetCR4(uNew);
-    }
 #else
-    RTCCUINTREG uOld = ASMGetCR4();
-    RTCCUINTREG uNew = (uOld & fAndMask) | fOrMask;
-    if (uNew != uOld)
         ASMSetCR4(uNew);
 #endif
+    }
     return uOld;
 }
 
diff --git a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
index 5f6bf73..4b842a9 100644
--- a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
+++ b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/memobj-r0drv-linux.c
@@ -1,4 +1,4 @@
-/* $Id: memobj-r0drv-linux.c 85516 2020-07-29 10:47:38Z vboxsync $ */
+/* $Id: memobj-r0drv-linux.c $ */
 /** @file
  * IPRT - Ring-0 Memory Objects, Linux.
  */
@@ -1552,7 +1552,7 @@ DECLHIDDEN(int) rtR0MemObjNativeMapKernel(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ
             pMemLnx->Core.pv = pMemLnxToMap->Core.u.Phys.uCachePolicy == RTMEM_CACHE_POLICY_MMIO
                              ? ioremap(pMemLnxToMap->Core.u.Phys.PhysBase + offSub, cbSub)
                              : ioremap_cache(pMemLnxToMap->Core.u.Phys.PhysBase + offSub, cbSub);
-#else /* KERNEL_VERSION < 2.6.25 */
+#else
             pMemLnx->Core.pv = pMemLnxToMap->Core.u.Phys.uCachePolicy == RTMEM_CACHE_POLICY_MMIO
                              ? ioremap_nocache(pMemLnxToMap->Core.u.Phys.PhysBase + offSub, cbSub)
                              : ioremap(pMemLnxToMap->Core.u.Phys.PhysBase + offSub, cbSub);
diff --git a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h
index 6ee6c00..bc6dcf5 100644
--- a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h
+++ b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/the-linux-kernel.h
@@ -1,4 +1,4 @@
-/* $Id: the-linux-kernel.h 85518 2020-07-29 11:01:45Z vboxsync $ */
+/* $Id: the-linux-kernel.h $ */
 /** @file
  * IPRT - Include all necessary headers for the Linux kernel.
  */
diff --git a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c
index 7cd8ca1..4c9c518 100644
--- a/src.herb/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c
+++ b/src.loqs/VirtualBox-6.1.12/src/VBox/Runtime/r0drv/linux/time-r0drv-linux.c
@@ -1,4 +1,4 @@
-/* $Id: time-r0drv-linux.c 85208 2020-07-10 23:58:39Z vboxsync $ */
+/* $Id: time-r0drv-linux.c $ */
 /** @file
  * IPRT - Time, Ring-0 Driver, Linux.
  */
@@ -51,7 +51,6 @@ DECLINLINE(uint64_t) rtTimeGetSystemNanoTS(void)
      */
     uint64_t u64;
     struct timespec64 Ts = { 0, 0 };
-
     ktime_get_ts64(&Ts);
     u64 = Ts.tv_sec * RT_NS_1SEC_64 + Ts.tv_nsec;
     return u64;