Re: Update MSI Patches

[Zwane Mwaikambo]

Ok i tested it on the following configurations;

UP i8259 w/ CONFIG_PCI_USE_VECTOR is ok
UP IOAPIC/MP1.4 w/ or w/o CONFIG_PCI_USE_VECTOR is ok
UP IOAPIC/ACPI w/ or w/o CONFIG_PCI_USE_VECTOR is ok
8x SMP/MP1.4 w/ or w/o CONFIG_PCI_USE_VECTOR is ok
8x SMP/ACPI w/ or w/o CONFIG_PCI_USE_VECTOR is ok

I also just looked again and it does look like the additional interrupt 
controller startup/ack/mask etc member functions are too much duplicated 
code (even if it wont all be in the final image). Perhaps just keep them 
like this;

static unsigned int startup_edge_ioapic(unsigned int index)
{
	int irq = vector_to_irq(index);
	...

	if (platform_legacy_irq(irq)) {
		...
	}

	...
	return
}

Also there is a warning whilst compiling which looks like it must be 
fixed.

Index: linux-2.6.0-test3-msi/arch/i386/kernel/mpparse.c
===================================================================
RCS file: /build/cvsroot/linux-2.6.0-test3/arch/i386/kernel/mpparse.c,v
retrieving revision 1.2
diff -u -p -B -r1.2 mpparse.c
--- linux-2.6.0-test3-msi/arch/i386/kernel/mpparse.c	15 Aug 2003 07:38:39 -0000	1.2
+++ linux-2.6.0-test3-msi/arch/i386/kernel/mpparse.c	15 Aug 2003 08:02:28 -0000
@@ -1133,11 +1133,12 @@ void __init mp_parse_prt (void)
 
 		mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1<<bit);
 
-		if (!io_apic_set_pci_routing(ioapic, ioapic_pin, irq))
+		if (!io_apic_set_pci_routing(ioapic, ioapic_pin, irq)) {
 			if (use_pci_vector() && !platform_legacy_irq(irq))
 				entry->irq = IO_APIC_VECTOR(irq);
 			else
 				entry->irq = irq;
+		}
 
 		printk(KERN_DEBUG "%02x:%02x:%02x[%c] -> %d-%d -> IRQ %d\n",
 			entry->id.segment, entry->id.bus, 
-
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