Re: [PATCH] KVM: powerpc: kvmppc_visible_gpa can be boolean

From: Paolo Bonzini
Date: Wed Nov 18 2015 - 06:05:40 EST




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@xxxxxxxxxxxxxxxxxxxx>
> ---
> 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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