On 29.06.2011, at 12:15, Paul Mackerras wrote: > The first patch of the following series is a pure bug-fix for 32-bit > kernels. > > The remainder of the following series of patches enable KVM to exploit > the hardware hypervisor mode on 64-bit Power ISA Book3S machines. At > present, POWER7 and PPC970 processors are supported. (Note that the > PPC970 processors in Apple G5 machines don't have a usable hypervisor > mode and are not supported by these patches.) > > Running the KVM host in hypervisor mode means that the guest can use > both supervisor mode and user mode. That means that the guest can > execute supervisor-privilege instructions and access supervisor- > privilege registers. In addition the hardware directs most exceptions > to the guest. Thus we don't need to emulate any instructions in the > host. Generally, the only times we need to exit the guest are when it > does a hypercall or when an external interrupt or host timer > (decrementer) interrupt occurs. > > The focus of this KVM implementation is to run guests that use the > PAPR (Power Architecture Platform Requirements) paravirtualization > interface, which is the interface supplied by PowerVM on IBM pSeries > machines. Currently the "pseries" machine type in qemu is only > supported by book3s_hv KVM, and book3s_hv KVM only supports the > "pseries" machine type. That will hopefully change in future. > > These patches are against the master branch of the kvm tree. Something seems to be broken with signals. When running without io-thread, I can't even do ctrl-c on -nographic while the guest is in sleep mode. But that might not be related to your patches. I've applied 01-16 now. Sending them through some more testing and if they're good, sending a pull request. Alex -- 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
