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

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On Tue, Mar 08, 2022 at 10:28:17AM +0000, Alexandru Elisei wrote:
> Hi,
> 

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.
>

I will add the Reviewed-by tag to the next iteration.

> Thanks,
> Alex
> 

Thanks,
Sebastian

> > ---
> >  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
> > 
> > _______________________________________________
> > kvmarm mailing list
> > kvmarm@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



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