On 2016年10月22日 02:39, rkrcmar@xxxxxxxxxx wrote:
2016-10-21 11:27+0000, David Laight:
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@xxxxxxxxxxxxxxxxxx>
---
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.
Seconded.
With that change are all KVM bits
like below?
__u8 preempted;
__u8 kvm_pad[3];
Acked-by: Radim Krčmář <rkrcmar@xxxxxxxxxx>
thanks!
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