On Thu, 2026-10-01 at 11:17 -0300, Jason Gunthorpe wrote: > On Thu, Oct 01, 2026 at 02:07:40PM +0100, David Woodhouse wrote: > > The *consumers* of this memory provider API will include KVM/guestmemfd > > and IOMMUFD. The latter *might* be through masquerading as dmabuf, or > > IOMMUFD might treat memory providers as a first class citizen and be > > taught to consume them directly. > > If we are reinventing a dmabuf improved for these use cases then lets > just use it directly.
Yes, that's literally what my series is doing at the moment. > It would be nice if it could handle MMIO and "cachable MMIO" as well. As opposed to just MMIO vs. RAM as implemented in the prototype in https://git.infradead.org/?p=users/dwmw2/linux.git;a=commitdiff;h=a7ca2d8859036 ? I think Fred has a cleaner version of that about ready to post as the next version of my series.
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