[PATCH 1/3] KVM: SVM: remove useless input parameter in snp_safe_alloc_page

[Li RongQing <lirongqing@xxxxxxxxx>]

The input parameter 'vcpu' in snp_safe_alloc_page is not used.
Therefore, remove it.

Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Li RongQing <lirongqing@xxxxxxxxx>
---
 arch/x86/kvm/svm/nested.c | 2 +-
 arch/x86/kvm/svm/sev.c    | 2 +-
 arch/x86/kvm/svm/svm.c    | 8 ++++----
 arch/x86/kvm/svm/svm.h    | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 55b9a6d..6f704c1 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -1181,7 +1181,7 @@ int svm_allocate_nested(struct vcpu_svm *svm)
 	if (svm->nested.initialized)
 		return 0;
 
-	vmcb02_page = snp_safe_alloc_page(&svm->vcpu);
+	vmcb02_page = snp_safe_alloc_page();
 	if (!vmcb02_page)
 		return -ENOMEM;
 	svm->nested.vmcb02.ptr = page_address(vmcb02_page);
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 759581b..ec4f6f2 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -3179,7 +3179,7 @@ void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector)
 	ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, 1);
 }
 
-struct page *snp_safe_alloc_page(struct kvm_vcpu *vcpu)
+struct page *snp_safe_alloc_page(void)
 {
 	unsigned long pfn;
 	struct page *p;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 9aaf83c8..a887a2f 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -703,7 +703,7 @@ static int svm_cpu_init(int cpu)
 	int ret = -ENOMEM;
 
 	memset(sd, 0, sizeof(struct svm_cpu_data));
-	sd->save_area = snp_safe_alloc_page(NULL);
+	sd->save_area = snp_safe_alloc_page();
 	if (!sd->save_area)
 		return ret;
 
@@ -1421,7 +1421,7 @@ static int svm_vcpu_create(struct kvm_vcpu *vcpu)
 	svm = to_svm(vcpu);
 
 	err = -ENOMEM;
-	vmcb01_page = snp_safe_alloc_page(vcpu);
+	vmcb01_page = snp_safe_alloc_page();
 	if (!vmcb01_page)
 		goto out;
 
@@ -1430,7 +1430,7 @@ static int svm_vcpu_create(struct kvm_vcpu *vcpu)
 		 * SEV-ES guests require a separate VMSA page used to contain
 		 * the encrypted register state of the guest.
 		 */
-		vmsa_page = snp_safe_alloc_page(vcpu);
+		vmsa_page = snp_safe_alloc_page();
 		if (!vmsa_page)
 			goto error_free_vmcb_page;
 
@@ -4906,7 +4906,7 @@ static int svm_vm_init(struct kvm *kvm)
 
 static void *svm_alloc_apic_backing_page(struct kvm_vcpu *vcpu)
 {
-	struct page *page = snp_safe_alloc_page(vcpu);
+	struct page *page = snp_safe_alloc_page();
 
 	if (!page)
 		return NULL;
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 33878ef..79b76de 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -694,7 +694,7 @@ void sev_es_vcpu_reset(struct vcpu_svm *svm);
 void sev_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector);
 void sev_es_prepare_switch_to_guest(struct sev_es_save_area *hostsa);
 void sev_es_unmap_ghcb(struct vcpu_svm *svm);
-struct page *snp_safe_alloc_page(struct kvm_vcpu *vcpu);
+struct page *snp_safe_alloc_page(void);
 
 /* vmenter.S */
 
-- 
2.9.4