Changeset 104114 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Mar 29, 2024 1:57:23 AM (11 months ago)

Author:

vboxsync

Message:

VMM/IEM: Implemented a very simple alternative to iemTbAllocatorFreeupNativeSpace that frees up to 4MB of memory from a chunk in a linear fashion w/o considering TB recently use and such. Fixed a heap alloc overrun issue in iemExecMemAllocatorInit (dependant on the IEMEXECMEMALLOCATOR structure size). Fixed a use after free problem with threaded TBs and iemThreadedTbObsolete. bugref:10370

File:

• trunk/src/VBox/VMM/include/IEMInternal.h (modified) (1 diff)

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -6071 +6071 @@
                               uint64_t cbInitialExec, uint64_t cbMaxExec, uint32_t cbChunkExec);
 void                iemThreadedTbObsolete(PVMCPUCC pVCpu, PIEMTB pTb, bool fSafeToFree);
+DECLHIDDEN(void)    iemTbAllocatorFree(PVMCPUCC pVCpu, PIEMTB pTb);
 void                iemTbAllocatorProcessDelayedFrees(PVMCPUCC pVCpu, PIEMTBALLOCATOR pTbAllocator);
 void                iemTbAllocatorFreeupNativeSpace(PVMCPUCC pVCpu, uint32_t cNeededInstrs);