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Date: Fri, 29 Aug 2008 05:50:23 -0700 From: Arjan van de Ven <arjan@...radead.org> To: Brice Goglin <Brice.Goglin@...ia.fr> Cc: LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org Subject: Re: [RFC] export irq_set/get_affinity() for multiqueue network drivers On Thu, 28 Aug 2008 22:21:53 +0200 Brice Goglin <Brice.Goglin@...ia.fr> wrote: > Hello, > > Is there any way to setup IRQ masks from within a driver? myri10ge > currently relies on an external script (writing in > /proc/irq/*/smp_affinity) to bind each queue/MSI-X to a different > processor. By default, Linux will either: > * round-robin the interrupts (killing the benefit of DCA for instance) > * put all IRQs on the same CPU (killing much of th * do the right thing with the userspace irq balancer -- If you want to reach me at my work email, use arjan@...ux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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