> -----Original Message----- > From: Jason Wang [mailto:jasowang@xxxxxxxxxx] > Sent: Tuesday, July 23, 2013 5:41 AM > To: tglx@xxxxxxxxxxxxx; mingo@xxxxxxxxxx; hpa@xxxxxxxxx; x86@xxxxxxxxxx; > gleb@xxxxxxxxxx; pbonzini@xxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx > Cc: Jason Wang; KY Srinivasan > Subject: [PATCH 4/4] x86: properly handle kvm emulation of hyperv > > Recent kvm has some basic support of hyperv, this will cause the guest to > identify itself as running on top of hyperv instead of kvm which will disable > kvm pv functionality. This is because we try to detect hyperv before kvm. Solve > this by simply checking kvm in detect_hypervisor() first. > This strategy of hypervisor detection based on some detection order IMHO is not a robust detection strategy. The current scheme works since the only hypervisor emulated (by other hypervisors happens to be Hyper-V). What if this were to change. Regards, K. Y -- 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
