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First two patches are just preps. For DEFER_TASKRUN patch 3 minimises the critical section, moves allocations out of it, and eliminates GFP_ATOMIC. And as a follow up to a recent review, Patch 4 adds a lockdep assertion against overflow posting abuse. Pavel Begunkov (4): io_uring: open code io_req_cqe_overflow() io_uring: move locking inside overflow posting io_uring: alloc overflow entry before locking io_uring: add lockdep warning for overflow posting io_uring/io_uring.c | 90 ++++++++++++++++++++++++++------------------- 1 file changed, 53 insertions(+), 37 deletions(-) -- 2.49.0