Messages in this thread | | | Date | Tue, 13 Sep 2011 21:03:20 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 08/13] xen/pvticketlock: disable interrupts while blocking |
| |
> So I got around to implementing this and it seems to work great. The back > to back NMIs are detected properly using the %rip and that info is passed to > the NMI notifier. That info is used to determine if only the first > handler to report 'handled' is executed or _all_ the handlers are > executed. > > I think all the 'unknown' NMIs I generated with various perf runs have > disappeared. I'll post a new version of my nmi notifier rewrite soon.
This will fail when the system is idle.
-Andi
| |