diff options
| author | Dr. David Alan Gilbert <linux@treblig.org> | 2025-06-17 01:18:36 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-08-01 09:11:08 -0400 |
| commit | 569c392e191361cd05fba1fd87ed02ef0d130ef7 (patch) | |
| tree | a4e4730f3c287cd7b56cc02729580c32a55fa99c | |
| parent | 69cd720a8a5e9ef0f05ce5dd8c9ea6e018245c82 (diff) | |
vhost: vringh: Remove unused iotlb functions
The functions:
vringh_abandon_iotlb()
vringh_notify_disable_iotlb() and
vringh_notify_enable_iotlb()
were added in 2020 by
commit 9ad9c49cfe97 ("vringh: IOTLB support")
but have remained unused.
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Message-Id: <20250617001838.114457-2-linux@treblig.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
| -rw-r--r-- | drivers/vhost/vringh.c | 43 | ||||
| -rw-r--r-- | include/linux/vringh.h | 5 |
2 files changed, 0 insertions, 48 deletions
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index bbce65452701..67a028d6fb5f 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -1535,23 +1535,6 @@ ssize_t vringh_iov_push_iotlb(struct vringh *vrh, EXPORT_SYMBOL(vringh_iov_push_iotlb); /** - * vringh_abandon_iotlb - we've decided not to handle the descriptor(s). - * @vrh: the vring. - * @num: the number of descriptors to put back (ie. num - * vringh_get_iotlb() to undo). - * - * The next vringh_get_iotlb() will return the old descriptor(s) again. - */ -void vringh_abandon_iotlb(struct vringh *vrh, unsigned int num) -{ - /* We only update vring_avail_event(vr) when we want to be notified, - * so we haven't changed that yet. - */ - vrh->last_avail_idx -= num; -} -EXPORT_SYMBOL(vringh_abandon_iotlb); - -/** * vringh_complete_iotlb - we've finished with descriptor, publish it. * @vrh: the vring. * @head: the head as filled in by vringh_getdesc_iotlb. @@ -1572,32 +1555,6 @@ int vringh_complete_iotlb(struct vringh *vrh, u16 head, u32 len) EXPORT_SYMBOL(vringh_complete_iotlb); /** - * vringh_notify_enable_iotlb - we want to know if something changes. - * @vrh: the vring. - * - * This always enables notifications, but returns false if there are - * now more buffers available in the vring. - */ -bool vringh_notify_enable_iotlb(struct vringh *vrh) -{ - return __vringh_notify_enable(vrh, getu16_iotlb, putu16_iotlb); -} -EXPORT_SYMBOL(vringh_notify_enable_iotlb); - -/** - * vringh_notify_disable_iotlb - don't tell us if something changes. - * @vrh: the vring. - * - * This is our normal running state: we disable and then only enable when - * we're going to sleep. - */ -void vringh_notify_disable_iotlb(struct vringh *vrh) -{ - __vringh_notify_disable(vrh, putu16_iotlb); -} -EXPORT_SYMBOL(vringh_notify_disable_iotlb); - -/** * vringh_need_notify_iotlb - must we tell the other side about used buffers? * @vrh: the vring we've called vringh_complete_iotlb() on. * diff --git a/include/linux/vringh.h b/include/linux/vringh.h index c3a8117dabe8..af8bd2695a7b 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -319,13 +319,8 @@ ssize_t vringh_iov_push_iotlb(struct vringh *vrh, struct vringh_kiov *wiov, const void *src, size_t len); -void vringh_abandon_iotlb(struct vringh *vrh, unsigned int num); - int vringh_complete_iotlb(struct vringh *vrh, u16 head, u32 len); -bool vringh_notify_enable_iotlb(struct vringh *vrh); -void vringh_notify_disable_iotlb(struct vringh *vrh); - int vringh_need_notify_iotlb(struct vringh *vrh); #endif /* CONFIG_VHOST_IOTLB */ |