Re: [PATCH] iio: hi8435: fix race between event enable and event generation

[Nikita Yushchenko]

>> Add locking to avoid interference between reading/processing current
>> sence in event enable and event generation paths.
>>
>> Signed-off-by: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
> Make sense.  Could you give a little more detail on the seriousness
> of this bug?  I need to assess whether we just queue it up for the
> next merge window or push it forward quicker as a bug fix and
> whether to mark it for stable or not.
> 
> You probably have a better idea of how much it matters than I do!

Race was introduced by my previous patch, and noticed by Vladimir.
It is not in any released tree.

Possible race impact is loss of event or duplicate event.

Nikita