Re: [PATCH 08/28] KVM: x86/mmu: Drop unused @kvm param from kvm_tdp_mmu_get_root()

From: Ben Gardon
Date: Mon Nov 22 2021 - 15:03:35 EST


On Fri, Nov 19, 2021 at 8:51 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
>
> Drop the unused @kvm param from kvm_tdp_mmu_get_root(). No functional
> change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>

Reviewed-by: Ben Gardon <bgardon@xxxxxxxxxx>

> ---
> arch/x86/kvm/mmu/tdp_mmu.c | 7 ++++---
> arch/x86/kvm/mmu/tdp_mmu.h | 3 +--
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
> index 4305ee8e3de3..12a28afce73f 100644
> --- a/arch/x86/kvm/mmu/tdp_mmu.c
> +++ b/arch/x86/kvm/mmu/tdp_mmu.c
> @@ -129,9 +129,10 @@ static struct kvm_mmu_page *tdp_mmu_next_root(struct kvm *kvm,
> next_root = list_first_or_null_rcu(&kvm->arch.tdp_mmu_roots,
> typeof(*next_root), link);
>
> - while (next_root && !kvm_tdp_mmu_get_root(kvm, next_root))
> + while (next_root && !kvm_tdp_mmu_get_root(next_root))
> next_root = list_next_or_null_rcu(&kvm->arch.tdp_mmu_roots,
> - &next_root->link, typeof(*next_root), link);
> + &next_root->link,
> + typeof(*next_root), link);
>
> rcu_read_unlock();
>
> @@ -211,7 +212,7 @@ hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu)
> /* Check for an existing root before allocating a new one. */
> for_each_tdp_mmu_root(kvm, root, kvm_mmu_role_as_id(role)) {
> if (root->role.word == role.word &&
> - kvm_tdp_mmu_get_root(kvm, root))
> + kvm_tdp_mmu_get_root(root))
> goto out;
> }
>
> diff --git a/arch/x86/kvm/mmu/tdp_mmu.h b/arch/x86/kvm/mmu/tdp_mmu.h
> index 3899004a5d91..599714de67c3 100644
> --- a/arch/x86/kvm/mmu/tdp_mmu.h
> +++ b/arch/x86/kvm/mmu/tdp_mmu.h
> @@ -7,8 +7,7 @@
>
> hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu);
>
> -__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm *kvm,
> - struct kvm_mmu_page *root)
> +__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm_mmu_page *root)
> {
> if (root->role.invalid)
> return false;
> --
> 2.34.0.rc2.393.gf8c9666880-goog
>