Re: [PATCH] virt: acrn: fix kernel-doc in <uapi/linux/acrn.h>

From: Randy Dunlap
Date: Fri Oct 24 2025 - 02:06:13 EST


Hi,

On 10/23/25 11:00 PM, Li, Fei1 wrote:
>> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>> Sent: Friday, October 24, 2025 12:42 PM
>> To: linux-kernel@xxxxxxxxxxxxxxx
>> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>; Li, Fei1 <fei1.li@xxxxxxxxx>;
>> acrn-dev@xxxxxxxxxxxxxxxxxxxxx; Greg Kroah-Hartman
>> <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Subject: [PATCH] virt: acrn: fix kernel-doc in <uapi/linux/acrn.h>
>>
>> Fix the kernel-doc comments for struct acrn_mmiodev so that all struct
>> members are rendered correctly.
>> Correct io_base to io_addr in struct acrn_vdev.
>>
>> acrn.h:441: warning: Function parameter or struct member 'res'
>> not described in 'acrn_mmiodev'
>> acrn.h:479: warning: Function parameter or struct member 'io_addr'
>> not described in 'acrn_vdev'
>> acrn.h:479: warning: Excess struct member 'io_base' description in
>> 'acrn_vdev'
>>
>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>> ---
>> Cc: Fei Li <fei1.li@xxxxxxxxx>
>> Cc: acrn-dev@xxxxxxxxxxxxxxxxxxxxx
>> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> ---
>> include/uapi/linux/acrn.h | 11 ++++++-----
>> 1 file changed, 6 insertions(+), 5 deletions(-)
>>
>> --- linux-next-20251022.orig/include/uapi/linux/acrn.h
>> +++ linux-next-20251022/include/uapi/linux/acrn.h
>> @@ -420,12 +420,13 @@ struct acrn_pcidev {
>> /**
>> * struct acrn_mmiodev - Info for assigning or de-assigning a MMIO device
>> * @name: Name of the MMIO device.
>> - * @res[].user_vm_pa: Physical address of User VM of the MMIO
>> region
>> + * @res: MMIO resource descriptor info.
>
> Hi Randy
>
> Thanks for cooking this patch to help fix these warning.
> Could you just add the comment for `res` and keep the other comments for the fields of ` struct acrn_mmiodev ` ?
>

Do you mean leave the [] square brackets in the field name?
If that's what you mean, that's not valid kernel-doc notation.

>
>> + * @res.user_vm_pa: Physical address of User VM of the MMIO
>> region
>> * for the MMIO device.
>> - * @res[].service_vm_pa: Physical address of Service VM of the MMIO
>> + * @res.service_vm_pa: Physical address of Service VM of the
>> MMIO
>> * region for the MMIO device.
>> - * @res[].size: Size of the MMIO region for the MMIO
>> device.
>> - * @res[].mem_type: Memory type of the MMIO region for the
>> MMIO
>> + * @res.size: Size of the MMIO region for the MMIO
>> device.
>> + * @res.mem_type: Memory type of the MMIO region for the
>> MMIO
>> * device.
>> *
>> * This structure will be passed to hypervisor directly.
>> @@ -449,7 +450,7 @@ struct acrn_mmiodev {
>> * @id.fields.legacy_id: ID of the virtual device if not a PCI device
>> * @slot: Virtual Bus/Device/Function of the virtual
>> * device
>> - * @io_base: IO resource base address of the virtual device
>> + * @io_addr: IO resource base address of the virtual device
>> * @io_size: IO resource size of the virtual device
>> * @args: Arguments for the virtual device creation
>> *

--
~Randy