[lkml]   [2008]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: IRQ affinities
Arjan van de Ven wrote:
> On Tue, 20 May 2008 18:14:58 -0700
> Max Krasnyanskiy <
>> For the IRQs specifically all I need is to be able to tell the kernel
>> to not route IRQs to certain CPUs. That's mostly works already via
>> /proc/irq/N/smp_affinity, the problem is dynamically allocated irqs
>> because /proc/irq/N directory does not exist until those IRQs are
>> allocated/enabled.
> \\
> why don't you tell irqbalance instead? it'll make sure the irq stays
> out of the wind...

That will be too late. By the time irqbalance sees that IRQ it may have
already fired (possibly several times) on the "wrong" processor.


 \ /
  Last update: 2008-05-21 18:21    [W:0.066 / U:0.416 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site