diff mbox series

[PULL,6/9] hw/virtio: Document *_should_notify() are called within rcu_read_lock()

Message ID 20210709202824.578187-7-laurent@vivier.eu
State New
Headers show
Series [PULL,1/9] qemu-option: Drop dead assertion | expand

Commit Message

Laurent Vivier July 9, 2021, 8:28 p.m. UTC
From: Philippe Mathieu-Daudé <philmd@redhat.com>

Such comments make reviewing this file somehow easier.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210523094040.3516968-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/virtio/virtio.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 6dcf3baf56b7..874377f37a70 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -2447,6 +2447,7 @@  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;
@@ -2483,6 +2484,7 @@  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;