Re: [PATCH 00/27] KVM PPC PV framework

Alexander Graf
2010-07-09T06:33:30Z

On 09.07.2010, at 06:57, MJ embd wrote:

> On Thu, Jul 1, 2010 at 4:12 PM, Alexander Graf <agraf@suse.de> wrote:
>> On PPC we run PR=0 (kernel mode) code in PR=1 (user mode) and don't use the
>> hypervisor extensions.
>>
>> While that is all great to show that virtualization is possible, there are
>> quite some cases where the emulation overhead of privileged instructions is
>> killing performance.
>>
>> This patchset tackles exactly that issue. It introduces a paravirtual framework
>> using which KVM and Linux share a page to exchange register state with. That
>
> KVM and Linux or KVM and GuestOS ?

KVM and GuestOS. The first user is of course Linux.

Alex