Re: [PATCH/RFC 01/21] KVM: remove unneeded return value of vcpu_postcreate

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On 15/01/2015 14:43, Christian Borntraeger wrote:
> From: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
> 
> Only x86 and s390 provides such vcpu_postcreate implementation.
> On s390 it can't fail and on x86 a fail is also impossible.
> Additionally common code didn't care about return value.
> So we just get rid of it.

s390 doesn't provide it as of this patch.  Perhaps clarify:

The return value of kvm_arch_vcpu_postcreate is not checked in its
caller.  This is okay, because only x86 provides vcpu_postcreate right
now and it could only fail if vcpu_load failed.  But that is not
possible during KVM_CREATE_VCPU (kvm_arch_vcpu_load is void, too), so
just get rid of the unchecked return value.

Paolo

> Signed-off-by: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
> Acked-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
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