Messages in this thread |  | | Subject | Re: [patch] enabling APIC and NMI watchdog on UP systems | Date | Fri, 29 Sep 2000 11:04:03 +0100 | From | Keir Fraser <> |
| |
> what is wrong with clearing the first performance counter before using it? > The NMI oopser is completely nonintrusive. > > so on UP systems you'll have to choose between the NMI oopser and other > uses of the first counter. You can save/restore the contents of the first > counter if you want to reactivate the NMI oopser. This is all user-space > policy, the kernel doesnt mind.
Thanks for the info: I'd entirely forgotten about the inter-APIC comms bus. That given, I have no problem with clearing the perfctr before use. The NMI oopser has saved my bacon on more than one occasion :)
-- Keir - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |