diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-28 10:32:58 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-28 10:32:58 +0200 |
commit | 615dca38c2eae55aff80050275931c87a812b48c (patch) | |
tree | 8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /io_uring/io_uring.c | |
parent | 3baea29dc0a7b561170d7082f831a613ae6aa56e (diff) | |
parent | b4432656b36e5cc1d50a1f2dc15357543add530e (diff) |
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following
merge conflicts that were reported in linux-next:
drivers/usb/chipidea/ci_hdrc_imx.c
drivers/usb/host/xhci.h
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r-- | io_uring/io_uring.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index c6209fe44cb1..a2b256e96d5d 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -872,10 +872,15 @@ bool io_req_post_cqe(struct io_kiocb *req, s32 res, u32 cflags) lockdep_assert(!io_wq_current_is_worker()); lockdep_assert_held(&ctx->uring_lock); - __io_cq_lock(ctx); - posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags); + if (!ctx->lockless_cq) { + spin_lock(&ctx->completion_lock); + posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags); + spin_unlock(&ctx->completion_lock); + } else { + posted = io_fill_cqe_aux(ctx, req->cqe.user_data, res, cflags); + } + ctx->submit_state.cq_flush = true; - __io_cq_unlock_post(ctx); return posted; } @@ -1078,21 +1083,22 @@ static __cold void __io_fallback_tw(struct llist_node *node, bool sync) while (node) { req = container_of(node, struct io_kiocb, io_task_work.node); node = node->next; - if (sync && last_ctx != req->ctx) { + if (last_ctx != req->ctx) { if (last_ctx) { - flush_delayed_work(&last_ctx->fallback_work); + if (sync) + flush_delayed_work(&last_ctx->fallback_work); percpu_ref_put(&last_ctx->refs); } last_ctx = req->ctx; percpu_ref_get(&last_ctx->refs); } - if (llist_add(&req->io_task_work.node, - &req->ctx->fallback_llist)) - schedule_delayed_work(&req->ctx->fallback_work, 1); + if (llist_add(&req->io_task_work.node, &last_ctx->fallback_llist)) + schedule_delayed_work(&last_ctx->fallback_work, 1); } if (last_ctx) { - flush_delayed_work(&last_ctx->fallback_work); + if (sync) + flush_delayed_work(&last_ctx->fallback_work); percpu_ref_put(&last_ctx->refs); } } |