On Tue, Jul 30, 2024 at 04:24:23PM +0800, Liju-clr Chen wrote: > From: Yingshiuan Pan <yingshiuan.pan@xxxxxxxxxxxx> > > Ioeventfd leverages eventfd to provide asynchronous notification > mechanism for VMM. VMM can register a mmio address and bind with an > eventfd. Once a mmio trap occurs on this registered region, its > corresponding eventfd will be notified. > > Signed-off-by: Yingshiuan Pan <yingshiuan.pan@xxxxxxxxxxxx> > Signed-off-by: Yi-De Wu <yi-de.wu@xxxxxxxxxxxx> > Signed-off-by: Liju Chen <liju-clr.chen@xxxxxxxxxxxx> ... > diff --git a/drivers/virt/geniezone/gzvm_ioeventfd.c b/drivers/virt/geniezone/gzvm_ioeventfd.c ... > +/** > + * ioeventfd_check_collision() - Check collison assumes gzvm->ioevent_lock held. nit: collision Likewise elsewhere in this patch. Flagged by checkpatch.pl --codespell > + * @gzvm: Pointer to gzvm. > + * @p: Pointer to gzvm_ioevent. > + * > + * Return: > + * * true - collison found > + * * false - no collison > + */ ...