[ofa-general] RE: [PATCH] core/mthca: Distinguish multiple IB cards in /proc/interrupts

Arputham Benjamin abenjamin at sgi.com
Wed May 20 13:24:34 PDT 2009


> > I wanted to point out that the proposed patch will not fix the
> > /proc/interrupts reporting issue for ConnectX IB devices because
> > request_irq() is done by mlx4_core and not by mlx4_ib. Also,
> > mlx4_core doesn't plug into IB core module.

> Good point.  So I guess we should try to come up with a more general way
> that works for mlx4 as well.  Perhaps enhance the PCI core so that all
> MSI-X vectors for a device are reported in the /sys hierarchy (analogous
> to the existing irq file that is under /sys/devices), which would work
> for all possible devices, rather than having an RDMA-specific method?

> - R.

Can I proceed with the ib_alloc_device_set_name()IB core API changes,
and mthca driver changes we agreed? After we test and apply these
patches, we can take a look at how we can fix mlx4 as well.

Please confirm.

Regards,
Benjamin

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