Changeset 99993 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

May 26, 2023 10:06:46 PM (22 months ago)

Author:

vboxsync

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

157655

Message:

VMM/IEM: Corrected instruction counting in IEMExecLots, it executed one too many. bugref:10464

File:

• trunk/src/VBox/VMM/VMMAll/IEMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -10485 +10485 @@
     uint32_t const cInstructionsAtStart = pVCpu->iem.s.cInstructions;
     AssertMsg(RT_IS_POWER_OF_TWO(cPollRate + 1), ("%#x\n", cPollRate));
+    Assert(cMaxInstructions > 0);
 
     /*
@@ -10612 +10613 @@
                                       && !VM_FF_IS_ANY_SET(pVM, VM_FF_ALL_MASK) ))
                         {
-                            if (cMaxInstructionsGccStupidity-- > 0)
+                            if (--cMaxInstructionsGccStupidity > 0)
                             {
                                 /* Poll timers every now an then according to the caller's specs. */