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task_work's are typically queued up from IRQ/softirq potentially by a random CPU like in case of networking. Batch ctx fields bouncing as this into a separate cache line. We also move ->cq_timeouts there because waiters have to read and check it. We can also conditionally hide ->cq_timeouts in the future from the CQ wait path as a not really useful rudiment. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/b7f3fcb5b6b9cca0238778262c1fdb7ada6286b7.1692916914.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>