Changeset 30149 in vbox for trunk/src/VBox/VMM

Timestamp:

Jun 10, 2010 12:20:22 PM (15 years ago)

Author:

vboxsync

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

62564

Message:

Added note

File:

• trunk/src/VBox/VMM/VMMSwitcher.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMSwitcher.cpp

@@ -534 +534 @@
             {
                 uint32_t u32OrMask = MSR_K6_EFER_LME | MSR_K6_EFER_SCE;
+                /** note: we don't care if cpuid 0x8000001 isn't supported as that implies long mode isn't either, so this switcher would never be used. */
                 if (!!(ASMCpuId_EDX(0x80000001) & X86_CPUID_AMD_FEATURE_EDX_NX))
                     u32OrMask |= MSR_K6_EFER_NXE;