Re: [PATCH V3 2/7] mdev: bus uevent support

Jason Wang
2019-10-15T12:13:29Z

On 2019/10/15 下午6:27, Cornelia Huck wrote:
> On Fri, 11 Oct 2019 16:15:52 +0800
> Jason Wang <jasowang@redhat.com> wrote:
>
>> This patch adds bus uevent support for mdev bus in order to allow
>> cooperation with userspace.
>>
>> Signed-off-by: Jason Wang <jasowang@redhat.com>
>> ---
>> drivers/vfio/mdev/mdev_driver.c | 8 ++++++++
>> 1 file changed, 8 insertions(+)
>>
>> diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c
>> index b7c40ce86ee3..319d886ffaf7 100644
>> --- a/drivers/vfio/mdev/mdev_driver.c
>> +++ b/drivers/vfio/mdev/mdev_driver.c
>> @@ -82,9 +82,17 @@ static int mdev_match(struct device *dev, struct device_driver *drv)
>> return 0;
>> }
>>
>> +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env)
>> +{
>> + struct mdev_device *mdev = to_mdev_device(dev);
>> +
>> + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id);
>> +}
>> +
>> struct bus_type mdev_bus_type = {
>> .name = "mdev",
>> .match = mdev_match,
>> + .uevent = mdev_uevent,
>> .probe = mdev_probe,
>> .remove = mdev_remove,
>> };
> I'd merge that into the previous patch.

Will do.

Thanks