On Thu, Sep 28, 2023 at 07:45:11PM +0300, Dragos Tatulea wrote: > This patch series adds support for vq descriptor table mappings which > are used to improve vdpa live migration downtime. The improvement comes > from using smaller mappings which take less time to create and destroy > in hw. > > The first part adds the vdpa core changes from Si-Wei [0]. > > The second part adds support in mlx5_vdpa: > - Refactor the mr code to be able to cleanly add descriptor mappings. > - Add hardware descriptor mr support. > - Properly update iotlb for cvq during ASID switch. > > Changes in v2: > > - The "vdpa/mlx5: Enable hw support for vq descriptor mapping" change > was split off into two patches to avoid merge conflicts into the tree > of Linus. > > The first patch contains only changes for mlx5_ifc.h. This must be > applied into the mlx5-next tree [1] first. Once this patch is applied > on mlx5-next, the change has to be pulled fom mlx5-next into the vhost > tree and only then the remaining patches can be applied. > > [0] https://lore.kernel.org/virtualization/1694248959-13369-1-git-send-email-si-wei.liu@xxxxxxxxxx > [1] https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/log/?h=mlx5-next > > Dragos Tatulea (13): > vdpa/mlx5: Expose descriptor group mkey hw capability I prepared shared branch with this patch. https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/log/?h=mlx5-vhost Thanks
