From: Keith Busch <keith.busch@intel.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 11/14] irq: add support for allocating (and affinitizing) sets of IRQs
Date: Tue, 30 Oct 2018 11:22:34 -0600 [thread overview]
Message-ID: <20181030172234.GF18906@localhost.localdomain> (raw)
In-Reply-To: <535480f3-9087-b4ae-e7c8-cfe3c2d1e2c9@kernel.dk>
On Tue, Oct 30, 2018 at 11:09:04AM -0600, Jens Axboe wrote:
> Pretty trivial, below. This also keeps the queue mapping calculations
> more clean, as we don't have to do one after we're done allocating
> IRQs.
Yep, this addresses my concern. It less efficient than PCI since PCI
can usually jump straight to a valid vector count in a single iteration
where this only subtracts by 1. I really can't be bothered to care for
optimizing that, so this works for me! :)
next prev parent reply other threads:[~2018-10-30 17:22 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-29 16:37 [PATCHSET v2 0/14] blk-mq: Add support for multiple queue maps Jens Axboe
2018-10-29 16:37 ` [PATCH 01/14] blk-mq: kill q->mq_map Jens Axboe
2018-10-29 16:46 ` Bart Van Assche
2018-10-29 16:51 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 02/14] blk-mq: abstract out queue map Jens Axboe
2018-10-29 18:33 ` Bart Van Assche
2018-10-29 16:37 ` [PATCH 03/14] blk-mq: provide dummy blk_mq_map_queue_type() helper Jens Axboe
2018-10-29 17:22 ` Bart Van Assche
2018-10-29 17:27 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 04/14] blk-mq: pass in request/bio flags to queue mapping Jens Axboe
2018-10-29 17:30 ` Bart Van Assche
2018-10-29 17:33 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 05/14] blk-mq: allow software queue to map to multiple hardware queues Jens Axboe
2018-10-29 17:34 ` Bart Van Assche
2018-10-29 17:35 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 06/14] blk-mq: add 'type' attribute to the sysfs hctx directory Jens Axboe
2018-10-29 17:40 ` Bart Van Assche
2018-10-29 16:37 ` [PATCH 07/14] blk-mq: support multiple hctx maps Jens Axboe
2018-10-29 18:15 ` Bart Van Assche
2018-10-29 19:24 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 08/14] blk-mq: separate number of hardware queues from nr_cpu_ids Jens Axboe
2018-10-29 18:31 ` Bart Van Assche
2018-10-29 16:37 ` [PATCH 09/14] blk-mq: ensure that plug lists don't straddle hardware queues Jens Axboe
2018-10-29 19:27 ` Bart Van Assche
2018-10-29 19:30 ` Jens Axboe
2018-10-29 19:49 ` Jens Axboe
2018-10-30 8:08 ` Ming Lei
2018-10-30 17:22 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 10/14] blk-mq: initial support for multiple queue maps Jens Axboe
2018-10-29 19:40 ` Bart Van Assche
2018-10-29 19:53 ` Jens Axboe
2018-10-29 20:00 ` Bart Van Assche
2018-10-29 20:09 ` Jens Axboe
2018-10-29 20:25 ` Bart Van Assche
2018-10-29 20:29 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 11/14] irq: add support for allocating (and affinitizing) sets of IRQs Jens Axboe
2018-10-29 17:08 ` Thomas Gleixner
2018-10-29 17:09 ` Jens Axboe
2018-10-30 9:25 ` Ming Lei
2018-10-30 14:26 ` Keith Busch
2018-10-30 14:36 ` Jens Axboe
2018-10-30 14:45 ` Keith Busch
2018-10-30 14:53 ` Jens Axboe
2018-10-30 15:08 ` Keith Busch
2018-10-30 15:18 ` Jens Axboe
2018-10-30 16:02 ` Keith Busch
2018-10-30 16:42 ` Jens Axboe
2018-10-30 17:09 ` Jens Axboe
2018-10-30 17:22 ` Keith Busch [this message]
2018-10-30 17:33 ` Jens Axboe
2018-10-30 17:35 ` Keith Busch
2018-10-30 17:25 ` Thomas Gleixner
2018-10-30 17:34 ` Jens Axboe
2018-10-30 17:43 ` Jens Axboe
2018-10-30 17:46 ` Thomas Gleixner
2018-10-30 17:47 ` Jens Axboe
2018-10-29 16:37 ` [PATCH 12/14] nvme: utilize two queue maps, one for reads and one for writes Jens Axboe
2018-10-29 16:37 ` [PATCH 13/14] block: add REQ_HIPRI and inherit it from IOCB_HIPRI Jens Axboe
2018-10-29 16:37 ` [PATCH 14/14] nvme: add separate poll queue map Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2018-10-25 21:16 [PATCHSET 0/14] Add support for multiple queue maps Jens Axboe
2018-10-25 21:16 ` [PATCH 11/14] irq: add support for allocating (and affinitizing) sets of IRQs Jens Axboe
2018-10-25 21:16 ` Jens Axboe
2018-10-25 21:52 ` Keith Busch
2018-10-25 21:52 ` Keith Busch
2018-10-25 23:07 ` Jens Axboe
2018-10-25 23:07 ` Jens Axboe
2018-10-29 7:43 ` Hannes Reinecke
2018-10-29 7:43 ` Hannes Reinecke
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