linux-kernel - Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY

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Message-ID: <20160616152006.GA13615@lst.de>
Date:	Thu, 16 Jun 2016 17:20:06 +0200
From:	Christoph Hellwig <hch@....de>
To:	Bart Van Assche <bart.vanassche@...disk.com>
Cc:	Keith Busch <keith.busch@...el.com>,
	Christoph Hellwig <hch@....de>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"axboe@...com" <axboe@...com>,
	"linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag

On Wed, Jun 15, 2016 at 09:36:54PM +0200, Bart Van Assche wrote:
> Do you agree that - ignoring other interrupt assignments - that the latter 
> interrupt assignment scheme would result in higher throughput and lower 
> interrupt processing latency?

Probably.  Once we've got it in the core IRQ code we can tweak the
algorithm to be optimal.