看了些文档,的确如此,但pv还是有些局限性,而且稳定性好象也没hvm好!
http://www.oracle.com/technology ... emplates_other.html
Guest Kernels and Modules
Kernels for Hardware Virtualized (HVM) guests are provided to reduce clock skew issues.
Paravirtualized drivers (xen-pvhvm packages) are provided to reduce system overhead in an HVM guest.
Paravirtualized kernels are provided to improve the stability of software running in a Paravirtualized (PV) guest.