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From: "hch@infradead.org" <hch@infradead.org>
To: Bart Van Assche <Bart.VanAssche@sandisk.com>
Cc: "jthumshirn@suse.de" <jthumshirn@suse.de>,
	"lsf-pc@lists.linux-foundation.org"
	<lsf-pc@lists.linux-foundation.org>,
	"Linux-scsi@vger.kernel.org" <Linux-scsi@vger.kernel.org>,
	"hch@infradead.org" <hch@infradead.org>,
	"keith.busch@intel.com" <keith.busch@intel.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"sagi@grimberg.me" <sagi@grimberg.me>
Subject: Re: [LSF/MM TOPIC][LSF/MM ATTEND] NAPI polling for block drivers
Date: Wed, 11 Jan 2017 08:12:38 -0800	[thread overview]
Message-ID: <20170111161238.GA18881@infradead.org> (raw)
In-Reply-To: <1484150893.2619.1.camel@sandisk.com>

On Wed, Jan 11, 2017 at 04:08:31PM +0000, Bart Van Assche wrote:
> A typical Ethernet network adapter delays the generation of an interrupt
> after it has received a packet. A typical block device or HBA does not delay
> the generation of an interrupt that reports an I/O completion.

NVMe allows for configurable interrupt coalescing, as do a few modern
SCSI HBAs.

  reply	other threads:[~2017-01-11 16:12 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-11 13:43 [LSF/MM TOPIC][LSF/MM ATTEND] NAPI polling for block drivers Johannes Thumshirn
2017-01-11 13:46 ` Hannes Reinecke
2017-01-11 15:07 ` Jens Axboe
2017-01-11 15:13   ` Jens Axboe
2017-01-12  8:23     ` Sagi Grimberg
2017-01-12 10:02       ` Johannes Thumshirn
2017-01-12 11:44         ` Sagi Grimberg
2017-01-12 12:53           ` Johannes Thumshirn
2017-01-12 14:41             ` [Lsf-pc] " Sagi Grimberg
2017-01-12 18:59               ` Johannes Thumshirn
2017-01-17 15:38       ` Sagi Grimberg
2017-01-17 15:45         ` Sagi Grimberg
2017-01-20 12:22           ` Johannes Thumshirn
2017-01-17 16:15         ` Sagi Grimberg
2017-01-17 16:27           ` Johannes Thumshirn
2017-01-17 16:38             ` Sagi Grimberg
2017-01-18 13:51               ` Johannes Thumshirn
2017-01-18 14:27                 ` Sagi Grimberg
2017-01-18 14:36                   ` Andrey Kuzmin
2017-01-18 14:40                     ` Sagi Grimberg
2017-01-18 15:35                       ` Andrey Kuzmin
2017-01-18 14:58                   ` Johannes Thumshirn
2017-01-18 15:14                     ` Sagi Grimberg
2017-01-18 15:16                       ` Johannes Thumshirn
2017-01-18 15:39                         ` Hannes Reinecke
2017-01-19  8:12                           ` Sagi Grimberg
2017-01-19  8:23                             ` Sagi Grimberg
2017-01-19  9:18                               ` Johannes Thumshirn
2017-01-19  9:13                             ` Johannes Thumshirn
2017-01-17 16:44         ` Andrey Kuzmin
2017-01-17 16:50           ` Sagi Grimberg
2017-01-18 14:02             ` Hannes Reinecke
2017-01-20  0:13               ` Jens Axboe
2017-01-13 15:56     ` Johannes Thumshirn
2017-01-11 15:16   ` Hannes Reinecke
2017-01-12  4:36   ` Stephen Bates
2017-01-12  4:44     ` Jens Axboe
2017-01-12  4:56       ` Stephen Bates
2017-01-19 10:57   ` Ming Lei
2017-01-19 11:03     ` Hannes Reinecke
2017-01-11 16:08 ` Bart Van Assche
2017-01-11 16:12   ` hch [this message]
2017-01-11 16:15     ` Jens Axboe
2017-01-11 16:22     ` Hannes Reinecke
2017-01-11 16:26       ` Bart Van Assche
2017-01-11 16:45         ` Hannes Reinecke
2017-01-12  8:52         ` sagi grimberg
2017-01-11 16:14   ` Johannes Thumshirn
2017-01-12  8:41   ` Sagi Grimberg
2017-01-12 19:13     ` Bart Van Assche

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