This makes it possible to optionally omit the identifying verbose message, for when the Op implementation can provide a much more useful message in its case, using information not yet available to the String method.
Signed-off-by: Ophestra <cat@gensokyo.uk>
This allows tests to stub all kernel behaviour, enabling measurement of all function call arguments and error injection.
Signed-off-by: Ophestra <cat@gensokyo.uk>