# Re: \[PATCH v2 0/3\] kcov: collect coverage from usb and vhost

- From: Andrey Konovalov \<hidden\>
- Date: 2019-10-25 14:56:00 
- List: netdev
- Page: https://ratatoskr.run/netdev/2019/10/5756280
- Thread: https://ratatoskr.run/linux-usb/2019/10/5753986/t.md

```text
On Fri, Oct 25, 2019 at 1:59 AM Andrew Morton [ref] wrote:
>
> On Thu, 24 Oct 2019 14:47:31 +0200 Andrey Konovalov [ref] wrote:
>
> > > is it expected that the new kcov feature will be used elsewhere in the
> > > kernel?
> > >
> > > If the latter, which are the expected subsystems?
> >
> > Currently we encountered two cases where this is useful: USB and vhost
> > workers. Most probably there are more subsystems that will benefit
> > from this kcov extension to get better fuzzing coverage. I don't have
> > a list of them, but the provided interface should be easy to use when
> > more of such cases are encountered.
>
> It would be helpful to add such a list to the changelog.  Best-effort
> and approximate is OK - just to help people understand the eventual
> usefulness of the proposal.

OK, I'll add it to the cover letter in v3, thanks!
```