Changeset 67137 in vbox for trunk/src/VBox

Timestamp:

May 30, 2017 8:05:23 AM (8 years ago)

Author:

vboxsync

Message:

HostDrivers/Support, VMM: bugref:8864: On Linux 4.12 the GDT is mapped read-only. The writable-mapped GDT is available and is used for clearing the TSS BUSY descriptor bit and for LTR.

Location:

trunk/src/VBox/HostDrivers/Support

Files:

• SUPDrv.cpp (modified) (1 diff)
• SUPDrvInternal.h (modified) (1 diff)
• linux/SUPDrv-linux.c (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/SUPDrv.cpp

@@ -3881 +3881 @@
 {
 #ifdef RT_OS_LINUX
-    return supdrvOSetCurrentGdtRw(pGdtRw);
+    return supdrvOSGetCurrentGdtRw(pGdtRw);
 #else
     return VERR_NOT_IMPLEMENTED;

trunk/src/VBox/HostDrivers/Support/SUPDrvInternal.h

@@ -842 +842 @@
 bool VBOXCALL   supdrvOSSuspendVTxOnCpu(void);
 void VBOXCALL   supdrvOSResumeVTxOnCpu(bool fSuspended);
-int  VBOXCALL   supdrvOSetCurrentGdtRw(RTHCUINTPTR *pGdtRw);
+int  VBOXCALL   supdrvOSGetCurrentGdtRw(RTHCUINTPTR *pGdtRw);
 
 /**

trunk/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c

@@ -1416 +1416 @@
 
 
-int supdrvOSetCurrentGdtRw(RTHCUINTPTR *pGdtRw)
+int VBOXCALL    supdrvOSGetCurrentGdtRw(RTHCUINTPTR *pGdtRw)
 {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)