On 23.09.20 20:57, Sean Christopherson wrote:
> Swap the order of hardware_enable_all() and kvm_arch_init_vm() to
> accommodate Intel's Trust Domain Extension (TDX), which needs VMX to be
> fully enabled during VM init in order to make SEAMCALLs.
>
> This also provides consistent ordering between kvm_create_vm() and
> kvm_destroy_vm() with respect to calling kvm_arch_destroy_vm() and
> hardware_disable_all().
>
> Cc: Marc Zyngier <[email protected]>
> Cc: James Morse <[email protected]>
> Cc: Julien Thierry <[email protected]>
> Cc: Suzuki K Poulose <[email protected]>
> Cc: [email protected]
> Cc: Huacai Chen <[email protected]>
> Cc: Aleksandar Markovic <[email protected]>
> Cc: [email protected]
> Cc: Paul Mackerras <[email protected]>
> Cc: [email protected]
> Cc: Christian Borntraeger <[email protected]>
> Cc: Janosch Frank <[email protected]>
> Cc: David Hildenbrand <[email protected]>
> Cc: Cornelia Huck <[email protected]>
> Cc: Claudio Imbrenda <[email protected]>
> Cc: Vitaly Kuznetsov <[email protected]>
> Cc: Wanpeng Li <[email protected]>
> Cc: Jim Mattson <[email protected]>
> Cc: Joerg Roedel <[email protected]>
> Signed-off-by: Sean Christopherson <[email protected]>
> ---
>
> Obviously not required until the TDX series comes along, but IMO KVM
> should be consistent with respect to enabling and disabling virt support
> in hardware.
>
> Tested only on Intel hardware. Unless I missed something, this only
> affects x86, Arm and MIPS as hardware enabling is a nop for s390 and PPC.
Yes, looks fine from an s390 perspective.
Reviewed-by: Christian Borntraeger <[email protected]>
