On Fri, 2006-12-01 at 09:39 +0100, Ingo Molnar wrote:
> * Ben Collins <[email protected]> wrote:
> that should be "ioapic", not "apic". The CPU has a piece of silicon
> called the "local APIC" - enabled via the 'lapic' option, and disabled
> via noapic. What the option above wants to enable is the IO-APIC in the
> chipset (a different piece of silicon) and the interrupt routing
> capabilities attached to it. That piece is what is causing the installer
> problems.
I know the difference between APIC and IO-APIC :)
Thing is, the function right above the one I added was this:
static int __init parse_noapic(char *arg)
{
/* disable IO-APIC */
disable_ioapic_setup();
return 0;
}
early_param("noapic", parse_noapic);
So while "ioapic" might make more sense, it's doesn't match the opposing
command line option of "noapic".
I could include this in the diff:
+/* "noapic" is for backward compatibility */
early_param("noapic", parse_noapic);
+early_param("noioapic", parse_noapic);
And then add the "ioapic" option.
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