Changeset 70918 in vbox for trunk/src/VBox/HostDrivers/Support/linux

Timestamp:

Feb 8, 2018 4:11:47 PM (7 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

120746

Message:

VMM: NEM kick off.

File:

• trunk/src/VBox/HostDrivers/Support/linux/SUPLib-linux.cpp (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/linux/SUPLib-linux.cpp

@@ -260 +260 @@
 
 
-/** Check if the host kernel supports VT-x or not.
+/**
+ * Check if the host kernel supports VT-x or not.
  *
  * Older Linux kernels clear the VMXE bit in the CR4 register (function
  * tlb_flush_all()) leading to a host kernel panic.
+ *
+ * @returns VBox status code (no info).
+ * @param   ppszWhy         Where to return explanatory message.
  */
-int suplibOsQueryVTxSupported(void)
+int suplibOsQueryVTxSupported(const char **ppszWhy)
 {
     char szBuf[256];
     int rc = RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szBuf, sizeof(szBuf));
-
     if (RT_SUCCESS(rc))
     {
@@ -299 +302 @@
     }
 
+    *ppszWhy = "Linux 2.6.13 or newer required!";
     return VERR_SUPDRV_KERNEL_TOO_OLD_FOR_VTX;
 }