Re: [RFC] Support for Arm CCA VMs on Linux

Jean-Philippe Brucker
2023-03-03T09:46:23Z

On Thu, Mar 02, 2023 at 07:12:24AM +0900, Itaru Kitayama wrote:
> > > I've tried your series in Real on CCA Host, but the KVM arch init
> > > emits an Invalid argument error and terminates.

This was the KVM_SET_ONE_REG for the SVE vector size. During my tests I
didn't enable SVE in the host but shrinkwrap enables more options.

Until we figure out support for SVE, disable it on the QEMU command-line
(similarly to '--disable-sve' needed for kvmtool boot):

-cpu host,sve=off

Thanks,
Jean