linux-kernel - Re: [PATCH v4 02/21] KVM: arm64: Add SDEI virtualization infrastructure

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Message-ID: <89165079-d2a6-fad8-3a9c-dcb46a8acdc7@gmail.com>
Date:   Tue, 11 Jan 2022 17:40:51 +0800
From:   Shannon Zhao <shannon.zhaosl@...il.com>
To:     Gavin Shan <gshan@...hat.com>, kvmarm@...ts.cs.columbia.edu
Cc:     maz@...nel.org, linux-kernel@...r.kernel.org,
        Jonathan.Cameron@...wei.com, pbonzini@...hat.com, will@...nel.org
Subject: Re: [PATCH v4 02/21] KVM: arm64: Add SDEI virtualization
 infrastructure



On 2021/8/15 8:13, Gavin Shan wrote:
> diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
> index e9a2b8f27792..2f021aa41632 100644
> --- a/arch/arm64/kvm/arm.c
> +++ b/arch/arm64/kvm/arm.c
> @@ -150,6 +150,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
>   
>   	kvm_vgic_early_init(kvm);
>   
> +	kvm_sdei_init_vm(kvm);
> +
>   	/* The maximum number of VCPUs is limited by the host's GIC model */
>   	kvm->arch.max_vcpus = kvm_arm_default_max_vcpus();
Hi, Is it possible to let user space to choose whether enabling SEDI or 
not rather than enable it by default?