search for: dma_virtqueue_add_outbuf

From: "Edgar E. Iglesias" <edgar.iglesias at xilinx.com> I'm trying to run rpmsg and remoteproc on the ZynqMP (arm64) but I'm hitting a DMA/mm error. The issue was discussed here: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333050.html Russel King pointed out that the arm64 is not doing anything wrong by returning vmapped memory (which is incompatible

From: "Edgar E. Iglesias" <edgar.iglesias at xilinx.com> I'm trying to run rpmsg and remoteproc on the ZynqMP (arm64) but I'm hitting a DMA/mm error. The issue was discussed here: http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/333050.html Russel King pointed out that the arm64 is not doing anything wrong by returning vmapped memory (which is incompatible

...sg, sizeof(*msg) + len); > + rpmsg_msg_sg_init(vrp, &sg, msg, sizeof(*msg) + len); > > mutex_lock(&vrp->tx_lock); > > /* add message to the remote processor's virtqueue */ > - err = virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > + err = dma_virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > if (err) { > /* > * need to reclaim the buffer here, otherwise it's lost > @@ -828,10 +844,10 @@ static int rpmsg_recv_single(struct virtproc_info *vrp, struct device *dev, > dev_warn(dev, "msg received with no recipie...

...sg, sizeof(*msg) + len); > + rpmsg_msg_sg_init(vrp, &sg, msg, sizeof(*msg) + len); > > mutex_lock(&vrp->tx_lock); > > /* add message to the remote processor's virtqueue */ > - err = virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > + err = dma_virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > if (err) { > /* > * need to reclaim the buffer here, otherwise it's lost > @@ -828,10 +844,10 @@ static int rpmsg_recv_single(struct virtproc_info *vrp, struct device *dev, > dev_warn(dev, "msg received with no recipie...

..., true); - sg_init_one(&sg, msg, sizeof(*msg) + len); + rpmsg_msg_sg_init(vrp, &sg, msg, sizeof(*msg) + len); mutex_lock(&vrp->tx_lock); /* add message to the remote processor's virtqueue */ - err = virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); + err = dma_virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); if (err) { /* * need to reclaim the buffer here, otherwise it's lost @@ -828,10 +844,10 @@ static int rpmsg_recv_single(struct virtproc_info *vrp, struct device *dev, dev_warn(dev, "msg received with no recipient\n"); /* publi...

...+ rpmsg_msg_sg_init(vrp, &sg, msg, sizeof(*msg) + len); > > > > mutex_lock(&vrp->tx_lock); > > > > /* add message to the remote processor's virtqueue */ > > - err = virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > > + err = dma_virtqueue_add_outbuf(vrp->svq, &sg, 1, msg, GFP_KERNEL); > > if (err) { > > /* > > * need to reclaim the buffer here, otherwise it's lost > > @@ -828,10 +844,10 @@ static int rpmsg_recv_single(struct virtproc_info *vrp, struct device *dev, > > dev_warn(dev, "msg...