diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-04-20 10:31:20 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-04-23 07:13:14 -0600 |
| commit | 76f1cc98b23cefd1f0ae90c51f1fb837e5f46528 (patch) | |
| tree | 7a30f6b5dfe8ffae37106208b5bb70c2b89a3a1a /io_uring/io_uring.c | |
| parent | 632b3186726984319e2337987de86a442407f30e (diff) | |
io_uring/zcrx: add support for multiple ifqs
Allow the user to register multiple ifqs / zcrx contexts. With that we
can use multiple interfaces / interface queues in a single io_uring
instance.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/668b03bee03b5216564482edcfefbc2ee337dd30.1745141261.git.asml.silence@gmail.com
[axboe: fold in fix]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 75c022526548..0dc6c2f1295e 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -359,6 +359,7 @@ static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) INIT_LIST_HEAD(&ctx->tctx_list); ctx->submit_state.free_list.next = NULL; INIT_HLIST_HEAD(&ctx->waitid_list); + xa_init_flags(&ctx->zcrx_ctxs, XA_FLAGS_ALLOC); #ifdef CONFIG_FUTEX INIT_HLIST_HEAD(&ctx->futex_list); #endif @@ -2889,7 +2890,7 @@ static __cold void io_ring_exit_work(struct work_struct *work) io_cqring_overflow_kill(ctx); mutex_unlock(&ctx->uring_lock); } - if (ctx->ifq) { + if (!xa_empty(&ctx->zcrx_ctxs)) { mutex_lock(&ctx->uring_lock); io_shutdown_zcrx_ifqs(ctx); mutex_unlock(&ctx->uring_lock); |