Re: [PATCH kvmtool v8 1/3] aarch64: Populate the vCPU struct before target->init()

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Hi,

On Mon, Mar 07, 2022 at 02:42:42PM +0000, Sebastian Ene wrote:
> Move the vCPU structure initialisation before the target->init() call to
>  keep a reference to the kvm structure during init().
> This is required by the pvtime peripheral to reserve a memory region
> while the vCPU is beeing initialised.
> 
> Signed-off-by: Sebastian Ene <sebastianene@xxxxxxxxxx>

I think you're missing Marc's Reviewed-by tag.

Thanks,
Alex

> ---
>  arm/kvm-cpu.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/arm/kvm-cpu.c b/arm/kvm-cpu.c
> index 6a2408c..84ac1e9 100644
> --- a/arm/kvm-cpu.c
> +++ b/arm/kvm-cpu.c
> @@ -116,6 +116,13 @@ struct kvm_cpu *kvm_cpu__arch_init(struct kvm *kvm, unsigned long cpu_id)
>  			die("Unable to find matching target");
>  	}
>  
> +	/* Populate the vcpu structure. */
> +	vcpu->kvm		= kvm;
> +	vcpu->cpu_id		= cpu_id;
> +	vcpu->cpu_type		= vcpu_init.target;
> +	vcpu->cpu_compatible	= target->compatible;
> +	vcpu->is_running	= true;
> +
>  	if (err || target->init(vcpu))
>  		die("Unable to initialise vcpu");
>  
> @@ -125,13 +132,6 @@ struct kvm_cpu *kvm_cpu__arch_init(struct kvm *kvm, unsigned long cpu_id)
>  		vcpu->ring = (void *)vcpu->kvm_run +
>  			     (coalesced_offset * PAGE_SIZE);
>  
> -	/* Populate the vcpu structure. */
> -	vcpu->kvm		= kvm;
> -	vcpu->cpu_id		= cpu_id;
> -	vcpu->cpu_type		= vcpu_init.target;
> -	vcpu->cpu_compatible	= target->compatible;
> -	vcpu->is_running	= true;
> -
>  	if (kvm_cpu__configure_features(vcpu))
>  		die("Unable to configure requested vcpu features");
>  
> -- 
> 2.35.1.616.g0bdcbb4464-goog
> 
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