On 4/23/2026 11:14 AM, Wei Liu wrote:
> On Thu, Apr 23, 2026 at 10:32:58AM -0700, Easwar Hariharan wrote:
>> On 4/23/2026 10:29 AM, Easwar Hariharan wrote:
>>> On 4/23/2026 10:26 AM, [email protected] wrote:
>>>> From: Wei Liu <[email protected]>
>>>>
>>>> That was missed when importing the header.
>>>>
>>>> Reported-by: Doru Blânzeanu <[email protected]>
>>>> Reported-by: Magnus Kulke <[email protected]>
>>>> Fixes: e68bda71a2384 ("hyperv: Add new Hyper-V headers in include/hyperv")
>>>> Cc: [email protected]
>>>> Signed-off-by: Wei Liu <[email protected]>
>>>> ---
>>>>  include/hyperv/hvhdk.h | 1 +
>>>>  1 file changed, 1 insertion(+)
>>>>
>>>> diff --git a/include/hyperv/hvhdk.h b/include/hyperv/hvhdk.h
>>>> index 5e83d3714966..ff7ca9ee1bd4 100644
>>>> --- a/include/hyperv/hvhdk.h
>>>> +++ b/include/hyperv/hvhdk.h
>>>> @@ -79,6 +79,7 @@ struct hv_vp_register_page {
>>>>  
>>>>            u64 registers[18];
>>>>    };
>>>> +  __u8 reserved[8];
>>>>    /* Volatile XMM registers (HV_X64_REGISTER_CLASS_XMM) */
>>>>    union {
>>>>            struct {
>>>
>>>
>>> This is not a uapi, so why not just use u8 instead of __u8?
>>> Or since it's 8 u8s, a u64?
>>>
>>> Thanks,
>>> Easwar (he/him)
>>
>> Hm, occurs to me that this would be used by VMMs, but then the registers
>> field just above used a u64 instead of a __u64....
> 
> I fat-fingered u8 to __u8.  User space code has scripts to massage the
> types as needed.
> 
> To remain consistent with the existing code, it should be u8.
> 
> I can change the type when I commit this.
> 
> Wei
Thanks, with that fixed:

Reviewed-by: Easwar Hariharan <[email protected]>

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