Jason Wang
2022-Jul-27 02:58 UTC
[PATCH v13 07/42] virtio_ring: split: stop __vring_new_virtqueue as export symbol
? 2022/7/26 15:21, Xuan Zhuo ??:> There is currently only one place to reference __vring_new_virtqueue() > directly from the outside of virtio core. And here vring_new_virtqueue() > can be used instead. > > Subsequent patches will modify __vring_new_virtqueue, so stop it as an > export symbol for now. > > Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com> > --- > drivers/virtio/virtio_ring.c | 25 ++++++++++++++++--------- > include/linux/virtio_ring.h | 10 ---------- > tools/virtio/virtio_test.c | 4 ++-- > 3 files changed, 18 insertions(+), 21 deletions(-) > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 0ad35eca0d39..4e54ed7ee7fb 100644 > --- a/drivers/virtio/virtio_ring.c > +++ b/drivers/virtio/virtio_ring.c > @@ -204,6 +204,14 @@ struct vring_virtqueue { > #endif > }; > > +static struct virtqueue *__vring_new_virtqueue(unsigned int index, > + struct vring vring, > + struct virtio_device *vdev, > + bool weak_barriers, > + bool context, > + bool (*notify)(struct virtqueue *), > + void (*callback)(struct virtqueue *), > + const char *name); > > /* > * Helpers. > @@ -2197,14 +2205,14 @@ irqreturn_t vring_interrupt(int irq, void *_vq) > EXPORT_SYMBOL_GPL(vring_interrupt); > > /* Only available for split ring */ > -struct virtqueue *__vring_new_virtqueue(unsigned int index, > - struct vring vring, > - struct virtio_device *vdev, > - bool weak_barriers, > - bool context, > - bool (*notify)(struct virtqueue *), > - void (*callback)(struct virtqueue *), > - const char *name) > +static struct virtqueue *__vring_new_virtqueue(unsigned int index, > + struct vring vring, > + struct virtio_device *vdev, > + bool weak_barriers, > + bool context, > + bool (*notify)(struct virtqueue *), > + void (*callback)(struct virtqueue *), > + const char *name) > { > struct vring_virtqueue *vq; > > @@ -2272,7 +2280,6 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index, > kfree(vq); > return NULL; > } > -EXPORT_SYMBOL_GPL(__vring_new_virtqueue); > > struct virtqueue *vring_create_virtqueue( > unsigned int index, > diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h > index b485b13fa50b..8b8af1a38991 100644 > --- a/include/linux/virtio_ring.h > +++ b/include/linux/virtio_ring.h > @@ -76,16 +76,6 @@ struct virtqueue *vring_create_virtqueue(unsigned int index, > void (*callback)(struct virtqueue *vq), > const char *name); > > -/* Creates a virtqueue with a custom layout. */ > -struct virtqueue *__vring_new_virtqueue(unsigned int index, > - struct vring vring, > - struct virtio_device *vdev, > - bool weak_barriers, > - bool ctx, > - bool (*notify)(struct virtqueue *), > - void (*callback)(struct virtqueue *), > - const char *name); > - > /* > * Creates a virtqueue with a standard layout but a caller-allocated > * ring. > diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c > index 23f142af544a..86a410ddcedd 100644 > --- a/tools/virtio/virtio_test.c > +++ b/tools/virtio/virtio_test.c > @@ -102,8 +102,8 @@ static void vq_reset(struct vq_info *info, int num, struct virtio_device *vdev) > > memset(info->ring, 0, vring_size(num, 4096)); > vring_init(&info->vring, num, info->ring, 4096);Let's remove the duplicated vring_init() here. With this removed: Acked-by: Jason Wang <jasowang at redhat.com>> - info->vq = __vring_new_virtqueue(info->idx, info->vring, vdev, true, > - false, vq_notify, vq_callback, "test"); > + info->vq = vring_new_virtqueue(info->idx, num, 4096, vdev, true, false, > + info->ring, vq_notify, vq_callback, "test"); > assert(info->vq); > info->vq->priv = info; > }
Xuan Zhuo
2022-Jul-27 07:35 UTC
[PATCH v13 07/42] virtio_ring: split: stop __vring_new_virtqueue as export symbol
On Wed, 27 Jul 2022 10:58:05 +0800, Jason Wang <jasowang at redhat.com> wrote:> > ? 2022/7/26 15:21, Xuan Zhuo ??: > > There is currently only one place to reference __vring_new_virtqueue() > > directly from the outside of virtio core. And here vring_new_virtqueue() > > can be used instead. > > > > Subsequent patches will modify __vring_new_virtqueue, so stop it as an > > export symbol for now. > > > > Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com> > > --- > > drivers/virtio/virtio_ring.c | 25 ++++++++++++++++--------- > > include/linux/virtio_ring.h | 10 ---------- > > tools/virtio/virtio_test.c | 4 ++-- > > 3 files changed, 18 insertions(+), 21 deletions(-) > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > index 0ad35eca0d39..4e54ed7ee7fb 100644 > > --- a/drivers/virtio/virtio_ring.c > > +++ b/drivers/virtio/virtio_ring.c > > @@ -204,6 +204,14 @@ struct vring_virtqueue { > > #endif > > }; > > > > +static struct virtqueue *__vring_new_virtqueue(unsigned int index, > > + struct vring vring, > > + struct virtio_device *vdev, > > + bool weak_barriers, > > + bool context, > > + bool (*notify)(struct virtqueue *), > > + void (*callback)(struct virtqueue *), > > + const char *name); > > > > /* > > * Helpers. > > @@ -2197,14 +2205,14 @@ irqreturn_t vring_interrupt(int irq, void *_vq) > > EXPORT_SYMBOL_GPL(vring_interrupt); > > > > /* Only available for split ring */ > > -struct virtqueue *__vring_new_virtqueue(unsigned int index, > > - struct vring vring, > > - struct virtio_device *vdev, > > - bool weak_barriers, > > - bool context, > > - bool (*notify)(struct virtqueue *), > > - void (*callback)(struct virtqueue *), > > - const char *name) > > +static struct virtqueue *__vring_new_virtqueue(unsigned int index, > > + struct vring vring, > > + struct virtio_device *vdev, > > + bool weak_barriers, > > + bool context, > > + bool (*notify)(struct virtqueue *), > > + void (*callback)(struct virtqueue *), > > + const char *name) > > { > > struct vring_virtqueue *vq; > > > > @@ -2272,7 +2280,6 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index, > > kfree(vq); > > return NULL; > > } > > -EXPORT_SYMBOL_GPL(__vring_new_virtqueue); > > > > struct virtqueue *vring_create_virtqueue( > > unsigned int index, > > diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h > > index b485b13fa50b..8b8af1a38991 100644 > > --- a/include/linux/virtio_ring.h > > +++ b/include/linux/virtio_ring.h > > @@ -76,16 +76,6 @@ struct virtqueue *vring_create_virtqueue(unsigned int index, > > void (*callback)(struct virtqueue *vq), > > const char *name); > > > > -/* Creates a virtqueue with a custom layout. */ > > -struct virtqueue *__vring_new_virtqueue(unsigned int index, > > - struct vring vring, > > - struct virtio_device *vdev, > > - bool weak_barriers, > > - bool ctx, > > - bool (*notify)(struct virtqueue *), > > - void (*callback)(struct virtqueue *), > > - const char *name); > > - > > /* > > * Creates a virtqueue with a standard layout but a caller-allocated > > * ring. > > diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c > > index 23f142af544a..86a410ddcedd 100644 > > --- a/tools/virtio/virtio_test.c > > +++ b/tools/virtio/virtio_test.c > > @@ -102,8 +102,8 @@ static void vq_reset(struct vq_info *info, int num, struct virtio_device *vdev) > > > > memset(info->ring, 0, vring_size(num, 4096)); > > vring_init(&info->vring, num, info->ring, 4096); > > > Let's remove the duplicated vring_init() here. > > With this removed:The reason I didn't delete this vring_init() is because info->vring is used elsewhere. So it can't be deleted directly. Thanks.> > Acked-by: Jason Wang <jasowang at redhat.com> > > > > - info->vq = __vring_new_virtqueue(info->idx, info->vring, vdev, true, > > - false, vq_notify, vq_callback, "test"); > > + info->vq = vring_new_virtqueue(info->idx, num, 4096, vdev, true, false, > > + info->ring, vq_notify, vq_callback, "test"); > > assert(info->vq); > > info->vq->priv = info; > > } >