Displaying 2 results from an estimated 2 matches for "kcov_subsystem_common".
2019 Oct 23
0
[PATCH 3/3] vhost, kcov: collect coverage from vhost_worker
...546,6 +549,7 @@ long vhost_dev_set_owner(struct vhost_dev *dev)
>
> /* No owner, become one */
> dev->mm = get_task_mm(current);
> + dev->kcov_handle = current->kcov_handle;
kcov_handle is not present in task_struct if !CONFIG_KCOV
Also this does not use KCOV_SUBSYSTEM_COMMON.
We discussed something along the following lines:
u64 kcov_remote_handle(u64 subsys, u64 id)
{
WARN_ON(subsys or id has wrong bits set).
return ...;
}
kcov_remote_handle(KCOV_SUBSYSTEM_USB, bus);
kcov_remote_handle(KCOV_SUBSYSTEM_COMMON, current->kcov_handle);
> worker = kthr...
2019 Oct 23
0
[PATCH 3/3] vhost, kcov: collect coverage from vhost_worker
...> > > /* No owner, become one */
> > > dev->mm = get_task_mm(current);
> > > + dev->kcov_handle = current->kcov_handle;
> >
> > kcov_handle is not present in task_struct if !CONFIG_KCOV
> >
> > Also this does not use KCOV_SUBSYSTEM_COMMON.
> > We discussed something along the following lines:
> >
> > u64 kcov_remote_handle(u64 subsys, u64 id)
> > {
> > WARN_ON(subsys or id has wrong bits set).
>
> Hm, we can't have warnings in kcov_remote_handle() that is exposed in
> uapi headers. What w...