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....@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.
David
