Re: [Xen-devel] [PATCH v2] x86/vmx: Add command line option to enable EPT without PAT

["Aravindh Puthiyaparambil (aravindp)" <aravindp@xxxxxxxxx>]

>> --- a/docs/misc/xen-command-line.markdown
>> +++ b/docs/misc/xen-command-line.markdown
>> @@ -523,6 +523,20 @@ Either force retrieval of monitor EDID information
>via
>> VESA DDC, or
>>  disable it (edid=no). This option should not normally be required
>>  except for debugging purposes.
>>
>> +### ept\_without\_pat (Intel)
>> +> `= <boolean>`
>> +
>> +> Default: `false`
>> +
>> +Allow EPT to be enabled when PAT is not present.
>
>This is a little too broad and hence confusing statement: I'm pretty
>certain PAT (the MSR) gets implemented/emulated by hypervisors.
>What's needed here (and potentially missing in emulations) is the
>VMX feature VM_ENTRY_LOAD_GUEST_PAT, and it should be said
>so.

OK, I will update the description to reflect that. What should I call the 
option? ept_without_vmx_pat?

Thanks,
Aravindh


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel