Messages in this thread | | | Date | Mon, 7 Jul 2008 09:17:06 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/2] acpi: Disable IRQ 0 through I/O APIC for some HP systems |
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* Rafael J. Wysocki <rjw@sisk.pl> wrote:
> Appended is a patch that actually works for me (it's missing the i386 > part, but I can't test that anyway). > > Please note two things: > (1) The whole acpi_dmi_table[] thing originally depended on __i386__, so it > wouldn't work on x86-64 no matter what. I removed that dependecy, but > I have no idea why it was there and so I'm not sure if that's correct.
> (2) The clear_IO_APIC_pin(apic1, pin1) done if > disable_irq0_through_ioapic is true is absolutely essential. The > symptoms are 100% reproducible without it.
thanks, applied to tip/x86, to give this some more testing.
the clear_IO_APIC_pin() is the most worrisome aspect of the change - but since we are already in limited quirk mode, does it hurt? Maciej, any preferences?
Ingo
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