Hi Drew,
On 3/10/21 2:52 PM, Andrew Jones wrote:
> Prior to commit f2ce39b4f067 a MachineClass kvm_type method
> only needed to be registered to ensure it would be executed.
> With commit f2ce39b4f067 a kvm-type machine property must also
> be specified. hw/arm/virt relies on the kvm_type method to pass
> its selected IPA limit to KVM, but this is not exposed as a
> machine property. Restore the previous functionality of invoking
> kvm_type when it's present.
Ouch, good catch for this regression
>
> Fixes: f2ce39b4f067 ("vl: make qemu_get_machine_opts static")
> Signed-off-by: Andrew Jones <drjo...@redhat.com>
> ---
> accel/kvm/kvm-all.c | 2 ++
> include/hw/boards.h | 1 +
> 2 files changed, 3 insertions(+)
>
> diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
> index f88a52393fe0..37b0a1861e72 100644
> --- a/accel/kvm/kvm-all.c
> +++ b/accel/kvm/kvm-all.c
> @@ -2068,6 +2068,8 @@ static int kvm_init(MachineState *ms)
> "kvm-type",
> &error_abort);
> type = mc->kvm_type(ms, kvm_type);
> + } else if (mc->kvm_type) {
> + type = mc->kvm_type(ms, NULL);
> }
>
> do {
> diff --git a/include/hw/boards.h b/include/hw/boards.h
> index a46dfe5d1a6a..327949967609 100644
> --- a/include/hw/boards.h
> +++ b/include/hw/boards.h
> @@ -128,6 +128,7 @@ typedef struct {
> * @kvm_type:
> * Return the type of KVM corresponding to the kvm-type string option or
> * computed based on other criteria such as the host kernel capabilities.
> + * kvm-type may be NULL if it is not needed.
> * @numa_mem_supported:
> * true if '--numa node.mem' option is supported and false otherwise
> * @smp_parse:
>
Reviewed-by: Eric Auger <eric.au...@redhat.com>
Eric
