Changeset 71813 in vbox for trunk/src/VBox/VMM/VMMAll/IEMAllCImplSvmInstr.cpp.h

Timestamp:

Apr 11, 2018 4:42:38 AM (7 years ago)

Author:

vboxsync

Message:

VMM: Nested Hw.virt: Avoid calling ASM helpers for modifying the MSR bitmaps.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllCImplSvmInstr.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllCImplSvmInstr.cpp.h

@@ -1116 +1116 @@
         uint8_t *pbMsrpm = (uint8_t *)pCtx->hwvirt.svm.CTX_SUFF(pvMsrBitmap);
         pbMsrpm += offMsrpm;
-        if (ASMBitTest(pbMsrpm, uMsrpmBit))
+        if (*pbMsrpm & RT_BIT(uMsrpmBit))
         {
             IEM_SVM_UPDATE_NRIP(pVCpu);