On Wed, 6 Sep 2006 21:17:30 +0200
"Rafael J. Wysocki" <[email protected]> wrote:
> Hi,
>
> [I'm not quite sure who should be on the Cc list.]
I know ;)
> The contents of /proc/interrupts look strange on the HPC nx6325 I'm currently using
> (2.6.18-rc5-mm1, 64-bit kernel):
>
> CPU0 CPU1
> 0: 18073 0 <NULL>-edge timer
> 1: 163 0 IO-APIC-edge i8042
> 8: 0 0 IO-APIC-edge rtc
> 9: 120 0 IO-APIC-fasteoi acpi
> 12: 149 0 IO-APIC-edge i8042
> 14: 24 0 IO-APIC-edge ide0
> 16: 4796 0 IO-APIC-fasteoi libata
> 19: 75 0 IO-APIC-fasteoi ehci_hcd:usb1, ohci_hcd:usb2, ohci_hcd:usb3
> 20: 7 0 IO-APIC-fasteoi yenta, ohci1394, sdhci:slot0
> 23: 672 0 IO-APIC-fasteoi eth0
> 4348: 188 0 PCI-MSI-<NULL> HDA Intel
> NMI: 89 59
> LOC: 18036 18171
> ERR: 0
This is due to a gruesome hack (IMO) in the genirq code (handle_irq_name())
which magically "knows" about the various types of IRQ handler, but doesn't
know about the MSI ones. It should be converted to a field in irq_desc, or
a callback or something.
I already had a whine about this then forgot about it, but it seems that
code can't be changed by whining at it ;)
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