Any way to disable KVM VHE extension?

2021-07-15 Thread Qu Wenruo
Hi, Recently I'm playing around the Nvidia Xavier AGX board, which has VHE extension support. In theory, considering the CPU and memory, it should be pretty powerful compared to boards like RPI CM4. But to my surprise, KVM runs pretty poor on Xavier. Just booting the edk2 firmware could ta

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Robin Murphy
On 2021-07-15 09:55, Qu Wenruo wrote: Hi, Recently I'm playing around the Nvidia Xavier AGX board, which has VHE extension support. In theory, considering the CPU and memory, it should be pretty powerful compared to boards like RPI CM4. But to my surprise, KVM runs pretty poor on Xavier.

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Robin Murphy
On 2021-07-15 10:44, Qu Wenruo wrote: On 2021/7/15 下午5:28, Robin Murphy wrote: On 2021-07-15 09:55, Qu Wenruo wrote: Hi, Recently I'm playing around the Nvidia Xavier AGX board, which has VHE extension support. In theory, considering the CPU and memory, it should be pretty powerful compa

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Mark Rutland
On Thu, Jul 15, 2021 at 11:00:42AM +0100, Robin Murphy wrote: > On 2021-07-15 10:44, Qu Wenruo wrote: > > > > > > On 2021/7/15 下午5:28, Robin Murphy wrote: > > > On 2021-07-15 09:55, Qu Wenruo wrote: > > > > Hi, > > > > > > > > Recently I'm playing around the Nvidia Xavier AGX board, which > > >

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Marc Zyngier
On Thu, 15 Jul 2021 10:44:32 +0100, Qu Wenruo wrote: > > > > On 2021/7/15 下午5:28, Robin Murphy wrote: > > On 2021-07-15 09:55, Qu Wenruo wrote: > >> Hi, > >> > >> Recently I'm playing around the Nvidia Xavier AGX board, which has > >> VHE extension support. > >> > >> In theory, considering th

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Qu Wenruo
On 2021/7/15 下午5:28, Robin Murphy wrote: On 2021-07-15 09:55, Qu Wenruo wrote: Hi, Recently I'm playing around the Nvidia Xavier AGX board, which has VHE extension support. In theory, considering the CPU and memory, it should be pretty powerful compared to boards like RPI CM4. But to my

Re: Any way to disable KVM VHE extension?

2021-07-15 Thread Qu Wenruo
On 2021/7/15 下午4:55, Qu Wenruo wrote: Hi, Recently I'm playing around the Nvidia Xavier AGX board, which has VHE extension support. In theory, considering the CPU and memory, it should be pretty powerful compared to boards like RPI CM4. But to my surprise, KVM runs pretty poor on Xavier.