On Tue, 2011-05-10 at 16:59 +0200, Roedel, Joerg wrote: > On Tue, May 10, 2011 at 10:45:46AM -0400, Peter Zijlstra wrote: > > On Tue, 2011-05-10 at 16:35 +0200, Joerg Roedel wrote: > > > + /* Can't exclude counting in guest and in host mode */ > > > + if (attr.exclude_host && attr.exclude_guest) > > > + return -EINVAL; > > > > Why not? > > By definition the counter won't count at all. The hardware just ignores > the bits if they are both set. My rationale here was that it does not > makes sense to setup a counter and exclude guest and host mode.
I would expect it to 'work' but simply return 0. If that isn't what the AMD hardware does you need to fix that in the AMD driver. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
