On Fri, Nov 27, 2020 at 12:01:38AM +0900, Chanho Park wrote: > To support module build for cpu hotplug driver on type-1 hypervisor > such as drivers/xen/cpu_hotplug.c, we need to export below four symbols. > > lock_device_hotplug / unlock_device_hotplug > device_online / device_offline > > Signed-off-by: Chanho Park <[email protected]> > --- > drivers/base/core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/base/core.c b/drivers/base/core.c > index d661ada1518f..1bfd0c54a778 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -1586,11 +1586,13 @@ void lock_device_hotplug(void) > { > mutex_lock(&device_hotplug_lock); > } > +EXPORT_SYMBOL_GPL(lock_device_hotplug);
Ick, really? Anyway, where is the follow-on patch that uses this in a module? We need that in order to export these otherwise we will just un-export them with no in-kernel users. thanks, greg k-h
