On Tue, Nov 18, 2025 at 05:37:59AM +0000, Kasireddy, Vivek wrote:
Hi Jason,
Subject: Re: [PATCH 0/9] Initial DMABUF support for iommufd
On Thu, Nov 13, 2025 at 11:37:12AM -0700, Alex Williamson wrote:
The latest series for interconnect negotation to exchange a phys_addr is: https://lore.kernel.org/r/20251027044712.1676175-1-
vivek.kasireddy@intel.com
If this is in development, why are we pursuing a vfio specific temporary "private interconnect" here rather than building on that work? What are the gaps/barriers/timeline?
I broadly don't expect to see an agreement on the above for probably
Are you planning to post your SGT mapping type patches soon, so that we can start discussion on the design?
It is on my list, but probably not soon enough :\
I wanted to address the remarks given and I still have to conclude some urgent things for this merge window.
I went ahead and tested your patches and did not notice any regressions with my test-cases (after adding some minor fixups). I have also added/tested support for IOV mapping type based on your design: https://gitlab.freedesktop.org/Vivek/drm-tip/-/commits/dmabuf_iov_v1
Wow, that's great!
Jason