On Fri, Feb 09, 2024 at 01:37:39PM -0500, Paolo Bonzini wrote:
> From: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
>
> Allow the backend to specify which VM types are supported.
>
> Based on a patch by Isaku Yamahata <isaku.yamahata@xxxxxxxxx>.
>
I think this needs Isaku's SoB since he's still listed as the author.
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> ---
> arch/x86/include/asm/kvm-x86-ops.h | 1 +
> arch/x86/include/asm/kvm_host.h | 1 +
> arch/x86/kvm/x86.c | 9 ++++++++-
> arch/x86/kvm/x86.h | 2 ++
> 4 files changed, 12 insertions(+), 1 deletion(-)
>
...
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index e634e5b67516..c89ddaa1e09f 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4581,12 +4581,19 @@ static int kvm_ioctl_get_supported_hv_cpuid(struct kvm_vcpu *vcpu,
> }
> #endif
>
> -static bool kvm_is_vm_type_supported(unsigned long type)
> +bool __kvm_is_vm_type_supported(unsigned long type)
> {
> return type == KVM_X86_DEFAULT_VM ||
> (type == KVM_X86_SW_PROTECTED_VM &&
> IS_ENABLED(CONFIG_KVM_SW_PROTECTED_VM) && tdp_enabled);
> }
> +EXPORT_SYMBOL_GPL(__kvm_is_vm_type_supported);
...
> diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
> index 2f7e19166658..4e40c23d66ed 100644
> --- a/arch/x86/kvm/x86.h
> +++ b/arch/x86/kvm/x86.h
> @@ -9,6 +9,8 @@
> #include "kvm_cache_regs.h"
> #include "kvm_emulate.h"
>
> +bool __kvm_is_vm_type_supported(unsigned long type);
It's not really clear from this patch/commit message why the export is
needed at this stage.
-Mike
> --
> 2.39.0
>
>
