On Thu, 2010-06-10 at 06:06 +0300, Avi Kivity wrote: > On 06/10/2010 05:21 AM, Zhang, Yanmin wrote: > > > >> I see. So put it in a union. Or perhaps not even in a union - what if > >> a kvm guest is also acting as a kvm host? > >> > > My patch has consideration on it. I compiled kernel with host and guest support > > at the same time. The accessing to perf_event->shadow is really under specific > > scenarios, or they are just in specific functions. These functions are called > > just bu host kernel , or just by guest kernel. > > > > But a kernel can be both guest and host at the same time. Currently > this only works on AMD, but there was some work to bring it to Intel as > well. Oh, this is a fancy VT feature. My patch doesn't support this mode. -- 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