On 6/17/22 7:45 AM, Jens Axboe wrote:
> Hi,
> 
> One of the things we currently cannot do with direct descriptors is pass
> it to another application or ring. This adds support for doing so, through
> the IORING_OP_MSG_RING ring-to-ring messaging opcode.
> 
> Some unresolved questions in patch 2 that need debating.

Here's the basic test case I wrote for it.

-- 
Jens Axboe