On Tue, 2011-05-10 at 17:46 +0200, Roedel, Joerg wrote: > > I intended to re-use the exlude_hv bit originally, but then I looked > into how this bit is used. On PPC it looks like this bit is set when > Linux itself runs as a guest to exclude the hypervisor code being > profiled. The meaning here is different (beacause Linux itself is the > hypervisor) and I wanted to avoid different semantics for this bit > across architectures. So I introduces seperate bits. > The exclude_hv bit can be used when we have some kind of perf-ctr > support for KVM guests. Ah, I didn't mean it like that, yes HV is strictly something different (and you understood its purpose well, its when the 'host' is a guest itself). What I was wondering about is if we want HV to be included in the Guest/Host exclusion mask or not. Then again, I guess that'll change behaviour in non-obvious ways, so better not do that. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
