On 03.06.2012 14:33, Avi Kivity wrote: > You can run vmxcap [1] and see. Ah, I forgot to attach the output of vmxcap, which might be of interest. First the host where it does not work: pin-based controls External interrupt exiting yes NMI exiting yes Virtual NMIs yes Activate VMX-preemption timer no primary processor-based controls Interrupt window exiting yes Use TSC offsetting yes HLT exiting yes INVLPG exiting yes MWAIT exiting yes RDPMC exiting yes RDTSC exiting yes CR3-load exiting forced CR3-store exiting forced CR8-load exiting yes CR8-store exiting yes Use TPR shadow yes NMI-window exiting yes MOV-DR exiting yes Unconditional I/O exiting yes Use I/O bitmaps yes Monitor trap flag no Use MSR bitmaps yes MONITOR exiting yes PAUSE exiting yes Activate secondary control yes secondary processor-based controls Virtualize APIC accesses yes Enable EPT no Descriptor-table exiting no Virtualize x2APIC mode no Enable VPID no WBINVD exiting yes Unrestricted guest no PAUSE-loop exiting no VM-Exit controls Save debug controls forced Host address-space size yes Load IA32_PERF_GLOBAL_CTRL yes Acknowledge interrupt on exit yes Save IA32_PAT no Load IA32_PAT no Save IA32_EFER no Load IA32_EFER no Save VMX-preemption timer value no VM-Entry controls Load debug controls forced IA-64 mode guest yes Entry to SMM yes Deactivate dual-monitor treatment yes Load IA32_PERF_GLOBAL_CTRL yes Load IA32_PAT no Load IA32_EFER no Miscellaneous data VMX-preemption timer scale (log2) 0 Store EFER.LMA into IA-32e mode guest control no HLT activity state yes Shutdown activity state yes Wait-for-SIPI activity state yes Number of CR3-target values 4 MSR-load/store count recommenation 0 MSEG revision identifier 0 VPID and EPT capabilities Execute-only EPT translations no Page-walk length 4 no Paging-structure memory type UC no Paging-structure memory type WB no 2MB EPT pages no 1GB EPT pages no INVEPT supported no Single-context INVEPT no All-context INVEPT no INVVPID supported no Individual-address INVVPID no Single-context INVVPID no All-context INVVPID no Single-context-retaining-globals INVVPID no Then the one where it does: pin-based controls External interrupt exiting yes NMI exiting yes Virtual NMIs yes Activate VMX-preemption timer yes primary processor-based controls Interrupt window exiting yes Use TSC offsetting yes HLT exiting yes INVLPG exiting yes MWAIT exiting yes RDPMC exiting yes RDTSC exiting yes CR3-load exiting default CR3-store exiting default CR8-load exiting yes CR8-store exiting yes Use TPR shadow yes NMI-window exiting yes MOV-DR exiting yes Unconditional I/O exiting yes Use I/O bitmaps yes Monitor trap flag yes Use MSR bitmaps yes MONITOR exiting yes PAUSE exiting yes Activate secondary control yes secondary processor-based controls Virtualize APIC accesses yes Enable EPT yes Descriptor-table exiting yes Virtualize x2APIC mode yes Enable VPID yes WBINVD exiting yes Unrestricted guest yes PAUSE-loop exiting no VM-Exit controls Save debug controls default Host address-space size yes Load IA32_PERF_GLOBAL_CTRL yes Acknowledge interrupt on exit yes Save IA32_PAT yes Load IA32_PAT yes Save IA32_EFER yes Load IA32_EFER yes Save VMX-preemption timer value yes VM-Entry controls Load debug controls forced IA-64 mode guest yes Entry to SMM yes Deactivate dual-monitor treatment yes Load IA32_PERF_GLOBAL_CTRL yes Load IA32_PAT yes Load IA32_EFER yes Miscellaneous data VMX-preemption timer scale (log2) 5 Store EFER.LMA into IA-32e mode guest control yes HLT activity state yes Shutdown activity state yes Wait-for-SIPI activity state yes Number of CR3-target values 4 MSR-load/store count recommenation 0 MSEG revision identifier 0 VPID and EPT capabilities Execute-only EPT translations yes Page-walk length 4 yes Paging-structure memory type UC yes Paging-structure memory type WB yes 2MB EPT pages yes 1GB EPT pages no INVEPT supported yes Single-context INVEPT yes All-context INVEPT yes INVVPID supported yes Individual-address INVVPID yes Single-context INVVPID yes All-context INVVPID yes Single-context-retaining-globals INVVPID yes Best regards, Joe -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
