3a7afd8ee4
Now that we can't poll regular, interrupt driven I/O queues there is almost nothing that can race with an interrupt. The only possible other contexts polling a CQ are the error handler and queue shutdown, and both are so far off in the slow path that we can simply use the big hammer of disabling interrupts. With that we can stop taking the cq_lock for normal queues. Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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