Re: [PATCH v2 0/6] io_uring/zcrx: add CQE based notifications and stats reporting

[Pavel Begunkov <asml.silence@gmail.com>]

On 5/18/26 16:35, Clément Léger wrote:
> The zcrx path can encounter various conditions that lead to internal
> fallbacks or errors. These errors can have a large impact on performance
> and functionality but are not yet not being reported to the user which
> is then unable to take action.> 
> This series addresses this problem by adding a new notification system
> paired with a statistics structure. The notification system currently
> report out of buffer and packets that fallback to copy. The statistics
> structure report the number and total size of packets that were copied
> rather than received via the zero-copy path.
> 
> The out of buffer notification allows the user to actually adjust the
> buffer sizing when registering zcrx support for the ifq. Some future
> work could allow the user to add more memory on the fly to the pool so
> the page allocator doesn't run out of memory.

Looks good, I'm going to take the first 4 and send out with other
zcrx patches.

-- 
Pavel Begunkov