Re: [Xen-devel] [RFC] virtio_ring: check dma_mem for xen_domain

2019-01-22 Thread h...@infradead.org
On Tue, Jan 22, 2019 at 11:59:31AM -0800, Stefano Stabellini wrote: > > if (!virtio_has_iommu_quirk(vdev)) > > return true; > > > > @@ -260,7 +262,7 @@ static bool vring_use_dma_api(struct virtio_device > > *vdev) > > * the DMA API if we're a Xen guest, which at least

Re: [virtio-dev] [PATCH] virtio: support VIRTIO_F_ORDER_PLATFORM

2019-01-22 Thread Jason Wang
On 2019/1/23 上午11:49, Michael S. Tsirkin wrote: On Wed, Jan 23, 2019 at 11:08:04AM +0800, Jason Wang wrote: On 2019/1/23 上午1:03, Tiwei Bie wrote: This patch introduces the support for VIRTIO_F_ORDER_PLATFORM. When this feature is negotiated, driver will use the barriers suitable for hardware

Re: [PATCH] virtio: support VIRTIO_F_ORDER_PLATFORM

2019-01-22 Thread Michael S. Tsirkin
On Wed, Jan 23, 2019 at 01:03:46AM +0800, Tiwei Bie wrote: > This patch introduces the support for VIRTIO_F_ORDER_PLATFORM. > When this feature is negotiated, driver will use the barriers > suitable for hardware devices. > > Signed-off-by: Tiwei Bie Could you pls add a bit more explanation in

Re: [virtio-dev] [PATCH] virtio: support VIRTIO_F_ORDER_PLATFORM

2019-01-22 Thread Michael S. Tsirkin
On Wed, Jan 23, 2019 at 11:08:04AM +0800, Jason Wang wrote: > > On 2019/1/23 上午1:03, Tiwei Bie wrote: > > This patch introduces the support for VIRTIO_F_ORDER_PLATFORM. > > When this feature is negotiated, driver will use the barriers > > suitable for hardware devices. > > > > Signed-off-by:

Re: [virtio-dev] [PATCH] virtio: support VIRTIO_F_ORDER_PLATFORM

2019-01-22 Thread Jason Wang
On 2019/1/23 上午1:03, Tiwei Bie wrote: This patch introduces the support for VIRTIO_F_ORDER_PLATFORM. When this feature is negotiated, driver will use the barriers suitable for hardware devices. Signed-off-by: Tiwei Bie --- drivers/virtio/virtio_ring.c | 8

Re: [Xen-devel] [RFC] virtio_ring: check dma_mem for xen_domain

2019-01-22 Thread Michael S. Tsirkin
On Tue, Jan 22, 2019 at 11:59:31AM -0800, Stefano Stabellini wrote: > On Mon, 21 Jan 2019, Peng Fan wrote: > > on i.MX8QM, M4_1 is communicating with DomU using rpmsg with a fixed > > address as the dma mem buffer which is predefined. > > > > Without this patch, the flow is: > > vring_map_one_sg

[PATCH] virtio: support VIRTIO_F_ORDER_PLATFORM

2019-01-22 Thread Tiwei Bie
This patch introduces the support for VIRTIO_F_ORDER_PLATFORM. When this feature is negotiated, driver will use the barriers suitable for hardware devices. Signed-off-by: Tiwei Bie --- drivers/virtio/virtio_ring.c | 8 include/uapi/linux/virtio_config.h | 6 ++ 2 files

CFP WEBIST 2019 - 14th Int.l Conf. on Web Information Systems and Technologies (Vienna/Austria)

2019-01-22 Thread web...@insticc.info
SUBMISSION DEADLINE 14th International Conference on Web Information Systems and Technologies Submission Deadline: April 29, 2019 http://www.webist.org/ September 18 - 20, 2019 Vienna, Austria. WEBIST is organized in 5 major tracks: - Internet Technology - Mobile and NLP Information

CFP PECCS 2019 - 9th Int.l Conf. on Pervasive and Embedded Computing and Communication Systems (Vienna/Austria)

2019-01-22 Thread pe...@insticc.info
SUBMISSION DEADLINE 9th International Conference on Pervasive and Embedded Computing and Communication Systems Submission Deadline: April 29, 2019 http://www.peccs.org/ September 19 - 20, 2019 Vienna, Austria. PECCS is organized in 5 major tracks: - Wireless and Mobile Technologies -

Re: [PATCH] drm: Split out drm_probe_helper.h

2019-01-22 Thread Daniel Vetter
On Mon, Jan 21, 2019 at 11:13 PM Sam Ravnborg wrote: > > Hi Daniel et al. > > > > > > > Yeah the drm_crtc_helper.h header is a bit the miniature drmP.h for legacy > > > kms drivers. Just removing it from all the atomic drivers caused lots of > > > fallout, I expect even more if you entirely