Messages in this thread | | | Date | Wed, 23 Jul 2008 15:02:22 +0200 | From | Michal Schmidt <> | Subject | Re: PCI: MSI interrupts masked using prohibited method |
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On Tue, 22 Jul 2008 10:52:26 -0700 Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> On Tuesday, July 22, 2008 6:56 am Michal Schmidt wrote: > > This breaks the setting of SMP affinity for MSI interrupts :-( > > With the patch, writes to /proc/irq/<n>/smp_affinity are ignored > > for an MSI interrupt. > > It should only break it for devices that don't provide a mask bit.
Yes, smp_affinity works for devices with a mask bit.
> But given that we can't really mask generically on those devices, > maybe that's ok given that it fixes the other problems mentioned in > this thread...
Does it mean there is no way IRQ migration could work reliably for devices without a mask bit?
Michal
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