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Commit 6f3814cd authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
Browse files

[PATCH] x86_64: Automatically enable apicmaintimer on ATI boards 



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

Can be overwritten with "noapicmaintimer"

Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 73dea47f

arch/x86_64/kernel/io_apic.c

+8 −0
Original line number Diff line number Diff line
@@ -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? */