Re: [PATCH] kcov: update documentation on remote coverage collection

[Jann Horn]

On Wed, May 20, 2026 at 7:51 PM Andrey Konovalov <andreyknvl@xxxxxxxxx> wrote:
> On Tue, May 19, 2026 at 6:06 PM Jann Horn <jannh@xxxxxxxxxx> wrote:
> > diff --git a/Documentation/dev-tools/kcov.rst b/Documentation/dev-tools/kcov.rst
> > index 8127849d40f5..54a0baeb917a 100644
> > --- a/Documentation/dev-tools/kcov.rst
> > +++ b/Documentation/dev-tools/kcov.rst
> > @@ -246,6 +246,8 @@ KCOV supports collecting remote coverage from the following contexts:
> >  2. Local kernel background tasks. These are spawned when a userspace process
> >     interacts with some kernel interface and are usually killed when the process
> >     exits (e.g. vhost workers).
> > +   This can be combined with another KCOV instance that is configured for normal
> > +   coverage collection.
>
> But does your change only work for collecting coverage from these
> local tasks, or from global ones as well? If the latter is allowed as
> well, this sentence need to be moved.

It also works for collecting global coverage. When I was writing this,
I figured that anyone wanting to collect global coverage would
probably be doing it from a separate task anyway; but yeah, you're
right, it makes more sense to move this note. I'll send a v2.