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

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