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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 11/22/19 3:25 AM, Ming Lei wrote: >> as that will still overload the one cpu that the interrupt handler was >> assigned to. A dumb fix would be a cpu mask for the threaded interrupt > > Actually one CPU is fast enough to handle several drive's interrupt handling. > Also there is per-queue depth limit, and the interrupt flood issue in network > can't be serious on storage. This is true today, but it won't be true in the future. Lets aim for a solution that's a little more future proof than just "enough today", if we're going to make changes in this area. -- Jens Axboe _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme