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SubjectRe: [RFC PATCH v5 079/104] KVM: TDX: Implements vcpu request_immediate_exit
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On 3/4/22 20:49, isaku.yamahata@intel.com wrote:
> From: Isaku Yamahata <isaku.yamahata@intel.com>
>
> Now we are able to inject interrupts into TDX vcpu, it's ready to block TDX
> vcpu. Wire up kvm x86 methods for blocking/unblocking vcpu for TDX. To
> unblock on pending events, request immediate exit methods is also needed.
>
> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
> ---
> arch/x86/kvm/vmx/main.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
> index a0bcc4dca678..404a260796e4 100644
> --- a/arch/x86/kvm/vmx/main.c
> +++ b/arch/x86/kvm/vmx/main.c
> @@ -280,6 +280,14 @@ static void vt_enable_irq_window(struct kvm_vcpu *vcpu)
> vmx_enable_irq_window(vcpu);
> }
>
> +static void vt_request_immediate_exit(struct kvm_vcpu *vcpu)
> +{
> + if (is_td_vcpu(vcpu))
> + return __kvm_request_immediate_exit(vcpu);
> +
> + vmx_request_immediate_exit(vcpu);
> +}
> +
> static int vt_mem_enc_op(struct kvm *kvm, void __user *argp)
> {
> if (!is_td(kvm))
> @@ -402,7 +410,7 @@ struct kvm_x86_ops vt_x86_ops __initdata = {
> .check_intercept = vmx_check_intercept,
> .handle_exit_irqoff = vmx_handle_exit_irqoff,
>
> - .request_immediate_exit = vmx_request_immediate_exit,
> + .request_immediate_exit = vt_request_immediate_exit,
>
> .sched_in = vt_sched_in,
>

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

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