>Hi, > >I am using this tool for querying VMX capabilities. > >http://git.qemu.org/?p=qemu.git;a=blob_plain;f=scripts/kvm/vmxcap;hb=HEAD > >And it shows as below that pause-loop exiting is not enabled. My kernel is 3.14. > >secondary processor-based controls > Virtualize APIC accesses yes > Enable EPT yes > Descriptor-table exiting yes > Enable RDTSCP yes > Virtualize x2APIC mode yes > Enable VPID yes > WBINVD exiting yes > Unrestricted guest no > APIC register emulation no > Virtual interrupt delivery no > PAUSE-loop exiting no > RDRAND exiting no > Enable INVPCID no > Enable VM functions no > VMCS shadowing no > EPT-violation #VE no > >What shall I do if I wish to enable PLE? I have also tried this: > >From above info, your physical cpu dose not support ple feature, if you want to enable ple, your cpu must support ple feature, and 'PAUSE exiting' must be 0-settting, 'PAUSE-loop exiting' must be 1-setting. And, kvm-intel module will enable ple as default if your cpu support ple feature. >linux-vsvo:~/code/test # rmmod kvm-intel >linux-vsvo:~/code/test # modprobe kvm-intel ple_gap=128 >linux-vsvo:~/code/test # cat /sys//module/kvm_intel/parameters/ple_gap >0 > >But, it does not change the ple_gap, and also, the above script still >says PLE is disabled. > >-Jidong -- 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
