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| author | Andi Kleen <ak@suse.de> | 2006-02-03 21:50:53 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-04 16:43:13 -0800 |
| commit | 6f3814cd2fb5ea4d53a7fa5b0635d68fa4036c1b (patch) | |
| tree | 8a0ad07a141e00243f3a65f2a026c8c6f0ce8c11 | |
| parent | 73dea47faeb96d54a984b9d7f4de564816966354 (diff) | |
| download | lwn-6f3814cd2fb5ea4d53a7fa5b0635d68fa4036c1b.tar.gz lwn-6f3814cd2fb5ea4d53a7fa5b0635d68fa4036c1b.zip | |
[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: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/kernel/io_apic.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 1a5060b434b8..4282d72b2a26 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -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? */ |