On Mon, 21 May 2018, Tianyu Lan wrote:
KY ????
> The struct hv_vp_assist_page was defined incorrectly.
> The "vtl_control" should be u64[3], "nested_enlightenments_control"
> should be a u64 and there is 7 reserved bytes following "enlighten_vmentry".
> This patch is to fix it.
>
> Signed-off-by: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
> ---
> arch/x86/include/asm/hyperv-tlfs.h | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
> index f7be6d03a310..fae0a5431cdd 100644
> --- a/arch/x86/include/asm/hyperv-tlfs.h
> +++ b/arch/x86/include/asm/hyperv-tlfs.h
> @@ -496,10 +496,11 @@ struct hv_timer_message_payload {
> /* Define virtual processor assist page structure. */
> struct hv_vp_assist_page {
> __u32 apic_assist;
> - __u32 reserved;
> - __u64 vtl_control[2];
> - __u64 nested_enlightenments_control[2];
> - __u32 enlighten_vmentry;
> + __u32 reserved1;
> + __u64 vtl_control[3];
> + __u64 nested_enlightenments_control;
> + __u8 enlighten_vmentry;
> + __u8 reserved2[7];
> __u64 current_nested_vmcs;
> };
>
> --
> 2.14.3
>
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