Merge pull request #3810 from MerryMage/eret-exclusive

arm: Clear exclusive state after service call

src/core/arm/dyncom/arm_dyncom_interpreter.cpp

@@ -3866,6 +3866,8 @@ SWI_INST : {
             num_instrs >= cpu->NumInstrsToExecute ? 0 : cpu->NumInstrsToExecute - num_instrs;
         num_instrs = 0;
         Kernel::CallSVC(inst_cream->num & 0xFFFF);
+        // The kernel would call ERET to get here, which clears exclusive memory state.
+        cpu->UnsetExclusiveMemoryAddress();
     }
 
     cpu->Reg[15] += cpu->GetInstructionSize();