> -----Original Message----- > From: Jason Wang [mailto:[email protected]] > Sent: Tuesday, July 23, 2013 5:41 AM > To: [email protected]; [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; linux- > [email protected] > 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 linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
