Changeset 23610 in vbox for trunk/src/VBox/HostDrivers/Support/SUPDrv.c

Timestamp:

Oct 7, 2009 9:22:10 PM (15 years ago)

Author:

vboxsync

Message:

IPRT,VMM,SUPDrv,VBGLR0: Added a parameter to RTR0MemObjLockUser/Kernel that indicates read/write intent so we can correctly lock readonly memory on Windows and OS/2. (Guest property strings, see #4238.)

File:

• trunk/src/VBox/HostDrivers/Support/SUPDrv.c (modified) (2 diffs)

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

@@ -203 +203 @@
 DECLASM(int)    UNWIND_WRAP(RTR0MemObjAllocCont)(PRTR0MEMOBJ pMemObj, size_t cb, bool fExecutable);
 DECLASM(int)    UNWIND_WRAP(RTR0MemObjEnterPhys)(PRTR0MEMOBJ pMemObj, RTHCPHYS Phys, size_t cb);
-DECLASM(int)    UNWIND_WRAP(RTR0MemObjLockUser)(PRTR0MEMOBJ pMemObj, RTR3PTR R3Ptr, size_t cb, RTR0PROCESS R0Process);
+DECLASM(int)    UNWIND_WRAP(RTR0MemObjLockUser)(PRTR0MEMOBJ pMemObj, RTR3PTR R3Ptr, size_t cb, uint32_t fFlags, RTR0PROCESS R0Process);
 DECLASM(int)    UNWIND_WRAP(RTR0MemObjMapKernel)(PRTR0MEMOBJ pMemObj, RTR0MEMOBJ MemObjToMap, void *pvFixed, size_t uAlignment, unsigned fProt);
 DECLASM(int)    UNWIND_WRAP(RTR0MemObjMapKernelEx)(PRTR0MEMOBJ pMemObj, RTR0MEMOBJ MemObjToMap, void *pvFixed, size_t uAlignment, unsigned fProt, size_t offSub, size_t cbSub);
@@ -2321 +2321 @@
      */
     Mem.eType = MEMREF_TYPE_LOCKED;
-    rc = RTR0MemObjLockUser(&Mem.MemObj, pvR3, cb, RTR0ProcHandleSelf());
+    rc = RTR0MemObjLockUser(&Mem.MemObj, pvR3, cb, RTMEM_PROT_READ | RTMEM_PROT_WRITE, RTR0ProcHandleSelf());
     if (RT_SUCCESS(rc))
     {