Re: [PATCH v3 00/25] KVM SGX virtualization support

Jarkko Sakkinen
2021-03-26T22:47:43Z

On Fri, Mar 19, 2021 at 08:29:27PM +1300, Kai Huang wrote:
> This series adds KVM SGX virtualization support. The first 14 patches starting
> with x86/sgx or x86/cpu.. are necessary changes to x86 and SGX core/driver to
> support KVM SGX virtualization, while the rest are patches to KVM subsystem.
>
> This series is based against latest tip/x86/sgx, which has Jarkko's NUMA
> allocation support.
>
> You can also get the code from upstream branch of kvm-sgx repo on github:
>
> https://github.com/intel/kvm-sgx.git upstream
>
> It also requires Qemu changes to create VM with SGX support. You can find Qemu
> repo here:
>
> https://github.com/intel/qemu-sgx.git upstream
>
> Please refer to README.md of above qemu-sgx repo for detail on how to create
> guest with SGX support. At meantime, for your quick reference you can use below
> command to create SGX guest:
>
> #qemu-system-x86_64 -smp 4 -m 2G -drive file=<your_vm_image>,if=virtio \
> -cpu host,+sgx_provisionkey \
> -sgx-epc id=epc1,memdev=mem1 \
> -object memory-backend-epc,id=mem1,size=64M,prealloc
>
> Please note that the SGX relevant part is:
>
> -cpu host,+sgx_provisionkey \
> -sgx-epc id=epc1,memdev=mem1 \
> -object memory-backend-epc,id=mem1,size=64M,prealloc
>
> And you can change other parameters of your qemu command based on your needs.

Please also put tested-by from me to all patches (including pure KVM
patches):

Tested-by: Jarkko Sakkinen <jarkko@kernel.org>

I did the basic test, i.e. run selftest in a VM. I think that is
sufficient at this point.

/Jarkko