On Fri, Nov 07, 2025 at 10:58:27AM -0800, Randy Dunlap wrote: > > > On 11/7/25 8:01 AM, Leon Romanovsky wrote: > > On Thu, Nov 06, 2025 at 10:15:07PM -0800, Randy Dunlap wrote: > >> > >> > >> On 11/6/25 6:16 AM, Leon Romanovsky wrote: > >>> From: Jason Gunthorpe <[email protected]> > >>> > >>> Reflect latest changes in p2p implementation to support DMABUF lifecycle. > >>> > >>> Signed-off-by: Leon Romanovsky <[email protected]> > >>> Signed-off-by: Jason Gunthorpe <[email protected]> > >>> --- > >>> Documentation/driver-api/pci/p2pdma.rst | 95 > >>> +++++++++++++++++++++++++-------- > >>> 1 file changed, 72 insertions(+), 23 deletions(-)
<...> > >>> -The second issue is that to make use of existing interfaces in Linux, > >>> -memory that is used for P2P transactions needs to be backed by struct > >>> -pages. However, PCI BARs are not typically cache coherent so there are > >>> -a few corner case gotchas with these pages so developers need to > >>> -be careful about what they do with them. > >>> +For PCIe the routing of TLPs is well defined up until they reach a host > >>> bridge > >> > >> Define what TLP means? > > > > In PCIe "world", TLP is very well-known and well-defined acronym, which > > means Transaction Layer Packet. > > It's your choice (or Bjorn's). I'm just reviewing... Thanks a lot.
