linux-kernel - Re: [PATCH] KVM: powerpc: kvmppc_visible

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Message-ID: <564C5B6B.8070305@redhat.com>
Date:	Wed, 18 Nov 2015 12:05:15 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Yaowei Bai <baiyaowei@...s.chinamobile.com>, agraf@...e.sz,
	benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
	gleb@...nel.org
Cc:	kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: powerpc: kvmppc_visible_gpa can be boolean



On 16/11/2015 04:10, Yaowei Bai wrote:
> In another patch kvm_is_visible_gfn is maken return bool due to this
> function only returns zero or one as its return value, let's also make
> kvmppc_visible_gpa return bool to keep consistent.
> 
> No functional change.
> 
> Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>
> ---
>  arch/powerpc/kvm/book3s_pr.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
> index 64891b0..70fb08d 100644
> --- a/arch/powerpc/kvm/book3s_pr.c
> +++ b/arch/powerpc/kvm/book3s_pr.c
> @@ -512,7 +512,7 @@ static void kvmppc_patch_dcbz(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte)
>  	put_page(hpage);
>  }
>  
> -static int kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
> +static bool kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
>  {
>  	ulong mp_pa = vcpu->arch.magic_page_pa;
>  
> @@ -521,7 +521,7 @@ static int kvmppc_visible_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
>  
>  	gpa &= ~0xFFFULL;
>  	if (unlikely(mp_pa) && unlikely((mp_pa & KVM_PAM) == (gpa & KVM_PAM))) {
> -		return 1;
> +		return true;
>  	}
>  
>  	return kvm_is_visible_gfn(vcpu->kvm, gpa >> PAGE_SHIFT);
> 

Applied all three patches to kvm/queue, thanks.

Paolo
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