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From: Bart Van Assche <bart.vanassche@sandisk.com>
To: Matthew Wilcox <willy@linux.intel.com>, Hannes Reinecke <hare@suse.de>
Cc: "lsf@lists.linux-foundation.org" <lsf@lists.linux-foundation.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	Jens Axboe <axboe@kernel.dk>,
	SCSI Mailing List <linux-scsi@vger.kernel.org>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [Lsf] [LSF/MM TOPIC] block-mq issues with FC
Date: Fri, 8 Apr 2016 11:14:24 -0700	[thread overview]
Message-ID: <5707F500.6030206@sandisk.com> (raw)
In-Reply-To: <20160408174006.GI2781@linux.intel.com>

On 04/08/2016 10:40 AM, Matthew Wilcox wrote:
>   - Interrupt steering needs to be controlled by block-mq instead of
>     the driver.  It's pointless to have each driver implement its own
>     policies on interrupt steering, irqbalanced remains a source of
>     end-user frustration, and block-mq can change the queue<->cpu mapping
>     without the driver's knowledge.

I'm looking forward to the day that I will be able to drop my script for 
spreading interrupts manually (see also the fifth attachment of 
http://thread.gmane.org/gmane.linux.kernel.device-mapper.devel/21312/focus=98409).

Bart.


  parent reply	other threads:[~2016-04-08 18:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08 11:29 [LSF/MM TOPIC] block-mq issues with FC Hannes Reinecke
2016-04-08 15:11 ` James Bottomley
2016-04-08 15:51   ` [Lsf] " Ewan D. Milne
2016-04-08 16:06     ` James Bottomley
2016-04-08 17:26 ` Bart Van Assche
2016-04-08 17:40 ` Matthew Wilcox
2016-04-08 18:00   ` James Bottomley
2016-04-08 18:08     ` Christoph Hellwig
2016-04-08 18:24       ` James Bottomley
2016-04-08 18:06   ` Keith Busch
2016-04-12 19:16     ` Jens Axboe
2016-04-08 18:14   ` Bart Van Assche [this message]
2016-04-08 19:22   ` Waskiewicz, PJ
2016-04-10 19:02   ` Sagi Grimberg
2016-04-12 19:04     ` Quinn Tran
2016-04-08 18:13 ` Christoph Hellwig

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