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

- From: Andrew Morton \<akpm@linux-foundation.org\>
- Date: 2019-10-24 23:59:14 
- List: netdev
- Page: https://ratatoskr.run/netdev/2019/10/5755477
- Thread: https://ratatoskr.run/linux-usb/2019/10/5753986/t.md

```text
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.


```