search for: vring_set_avail

...e a kaddr (e.g. high > memory) but need to use vring (e.g. the VIRTIO_BALLOON_F_FREE_PAGE_VQ > feature) > > The new API virtqueue_add_one_desc enables the caller to assign a vring > desc with a physical address and len. Also, factor out the common code > with virtqueue_add in vring_set_avail. > > Signed-off-by: Wei Wang <wei.w.wang at intel.com> > Cc: Michael S. Tsirkin <mst at redhat.com> You previously managed without this patch, and it's preferable IMHO since this patchset is already too big. I don't really understand what is wrong with virtio_add_sgs...

...e a kaddr (e.g. high > memory) but need to use vring (e.g. the VIRTIO_BALLOON_F_FREE_PAGE_VQ > feature) > > The new API virtqueue_add_one_desc enables the caller to assign a vring > desc with a physical address and len. Also, factor out the common code > with virtqueue_add in vring_set_avail. > > Signed-off-by: Wei Wang <wei.w.wang at intel.com> > Cc: Michael S. Tsirkin <mst at redhat.com> You previously managed without this patch, and it's preferable IMHO since this patchset is already too big. I don't really understand what is wrong with virtio_add_sgs...

...uest physical page may not have a kaddr (e.g. high memory) but need to use vring (e.g. the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature) The new API virtqueue_add_one_desc enables the caller to assign a vring desc with a physical address and len. Also, factor out the common code with virtqueue_add in vring_set_avail. Signed-off-by: Wei Wang <wei.w.wang at intel.com> Cc: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_ring.c | 94 +++++++++++++++++++++++++++++++++++--------- include/linux/virtio.h | 6 +++ 2 files changed, 81 insertions(+), 19 deletions(-) diff --git a/dri...

This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one array each time; and 2) free page block reporting: a new virtqueue to report guest free pages to the host. The second feature can be used to accelerate live migration of VMs. Here are some details: Live

This patch series enhances the existing virtio-balloon with the following new features: 1) fast ballooning: transfer ballooned pages between the guest and host in chunks using sgs, instead of one array each time; and 2) free page block reporting: a new virtqueue to report guest free pages to the host. The second feature can be used to accelerate live migration of VMs. Here are some details: Live