[PATCH v5 9/9] Documentation: virtual: kvm: Support vcpu preempted check

xinhui
Mon, 24 Oct 2016 02:44:45 -0000

On 2016?10?21? 19:27, David Laight wrote:
> From: Pan Xinhui
>> Sent: 20 October 2016 22:28
>> Commit ("x86, kvm: support vcpu preempted check") add one
field "__u8
>> preempted" into struct kvm_steal_time. This field tells if one
vcpu is
>> running or not.
>>
>> It is zero if 1) some old KVM deos not support this filed. 2) the vcpu
is
>> preempted. Other values means the vcpu has been preempted.
>>
>> Signed-off-by: Pan Xinhui <xinhui.pan at linux.vnet.ibm.com>
>> ---
>>   Documentation/virtual/kvm/msr.txt | 8 +++++++-
>>   1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/virtual/kvm/msr.txt
b/Documentation/virtual/kvm/msr.txt
>> index 2a71c8f..3376f13 100644
>> --- a/Documentation/virtual/kvm/msr.txt
>> +++ b/Documentation/virtual/kvm/msr.txt
>> @@ -208,7 +208,8 @@ MSR_KVM_STEAL_TIME: 0x4b564d03
>>   		__u64 steal;
>>   		__u32 version;
>>   		__u32 flags;
>> -		__u32 pad[12];
>> +		__u8  preempted;
>> +		__u32 pad[11];
>>   	}
>
> I think I'd be explicit about the 3 pad bytes you've left.
>
yes,I  will do it in next version.

thanks

> 	David
>