rv: Export rv_register_reactor() and rv_unregister_reactor()

rv_react() is exported to modules, but the reactor registration helpers
are not.  Export them with EXPORT_SYMBOL_GPL() so reactor modules and
the tristate KUnit test module can register and unregister reactors
without hitting undefined symbol errors at link time(modpost).

Commit 3d3800b4f7f4 ("rv: Remove reactor's reference counter") noted
that module-based reactors, if supported, should be pinned with
try_module_get()/module_put() to prevent unloading under an active
monitor. This patch does not add that support. The only in-tree module
consumer, the tristate KUnit reactor test module, registers and
unregisters its reactor within a controlled test lifecycle.
The actual pinning is left to a follow-up series that adds support for
loadable-module reactors.

Reviewed-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Wen Yang <wen.yang@linux.dev>
Link: https://lore.kernel.org/r/94b7ec120a92b9368541ac050601e66be8fe653a.1789412799.git.wen.yang@linux.dev
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>

0 files changed, 0 insertions, 0 deletions