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[PATCH] x86_64: Automatically enable apicmaintimer on ATI boards

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They all have problems with IRQ 0 routing, so just use the APIC on them.

Can be overwritten with "noapicmaintimer"

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-02-03 21:50:53 +01:00 committed by Linus Torvalds
parent 73dea47fae
commit 6f3814cd2f
1 changed files with 8 additions and 0 deletions
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8
arch/x86_64/kernel/io_apic.c
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@ -304,6 +304,14 @@ void __init check_ioapic(void)
#endif
/* RED-PEN skip them on mptables too? */
return;
case PCI_VENDOR_ID_ATI:
if (apic_runs_main_timer != 0)
break;
printk(KERN_INFO
"ATI board detected. Using APIC/PM timer.\n");
apic_runs_main_timer = 1;
nohpet = 1;
return;
}
/* No multi-function device? */