Message ID | 20210520064900.2413612-1-philmd@redhat.com |
---|---|
State | New |
Headers | show |
Series | hw/virtio: Document *_should_notify() are called within rcu_read_lock() | expand |
On Thu, May 20, 2021 at 08:49:00AM +0200, Philippe Mathieu-Daudé wrote: > Such comments make reviewing this file somehow easier. > > Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> ok but > --- > hw/virtio/virtio.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c > index e02544b2df7..2b4c6c4b875 100644 > --- a/hw/virtio/virtio.c > +++ b/hw/virtio/virtio.c > @@ -2449,6 +2449,7 @@ static void virtio_set_isr(VirtIODevice *vdev, int value) > } > } > > +/* Called within rcu_read_lock(). */ > static bool virtio_split_should_notify(VirtIODevice *vdev, VirtQueue *vq) > { > uint16_t old, new; > @@ -2485,6 +2486,7 @@ static bool vring_packed_need_event(VirtQueue *vq, bool wrap, > return vring_need_event(off, new, old); > } > > +/* Called within rcu_read_lock(). */ > static bool virtio_packed_should_notify(VirtIODevice *vdev, VirtQueue *vq) > { > VRingPackedDescEvent e; one space before */ please, not two. > -- > 2.26.3
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e02544b2df7..2b4c6c4b875 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2449,6 +2449,7 @@ static void virtio_set_isr(VirtIODevice *vdev, int value) } } +/* Called within rcu_read_lock(). */ static bool virtio_split_should_notify(VirtIODevice *vdev, VirtQueue *vq) { uint16_t old, new; @@ -2485,6 +2486,7 @@ static bool vring_packed_need_event(VirtQueue *vq, bool wrap, return vring_need_event(off, new, old); } +/* Called within rcu_read_lock(). */ static bool virtio_packed_should_notify(VirtIODevice *vdev, VirtQueue *vq) { VRingPackedDescEvent e;
Such comments make reviewing this file somehow easier. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> --- hw/virtio/virtio.c | 2 ++ 1 file changed, 2 insertions(+)