Il 19/09/2014 18:14, Nakajima, Jun ha scritto: > For example, > - CPUID 0x48000001.EAX would return the feature presence (e.g. in > EBX), and the result in EDX:EAX (if present) at the same time, or > - CPUID 0x48000001.EAX would return the feature presence only, and > CPUID 0x48000002.EAX (acts like a hypercall) returns up to 4 32-bit > values. The latter is much better, because an "unknown" CPUID will return the value of the highest leaf below 0x80000000, and conflicts can happen easily. Paolo _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
