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KVM: PPC: Book3S PR: Fix sparse endian checks

While sending sparse with endian checks over the code base, it triggered at
some places that were missing casts or had wrong types. Fix them up.

Signed-off-by: Alexander Graf <agraf@suse.de>
Alexander Graf 11 年之前
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共有 1 个文件被更改,包括 11 次插入10 次删除
  1. 11 10
      arch/powerpc/kvm/book3s_pr_papr.c

+ 11 - 10
arch/powerpc/kvm/book3s_pr_papr.c

@@ -40,8 +40,9 @@ static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu)
 {
 	long flags = kvmppc_get_gpr(vcpu, 4);
 	long pte_index = kvmppc_get_gpr(vcpu, 5);
-	unsigned long pteg[2 * 8];
-	unsigned long pteg_addr, i, *hpte;
+	__be64 pteg[2 * 8];
+	__be64 *hpte;
+	unsigned long pteg_addr, i;
 	long int ret;
 
 	i = pte_index & 7;
@@ -93,8 +94,8 @@ static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu)
 	pteg = get_pteg_addr(vcpu, pte_index);
 	mutex_lock(&vcpu->kvm->arch.hpt_mutex);
 	copy_from_user(pte, (void __user *)pteg, sizeof(pte));
-	pte[0] = be64_to_cpu(pte[0]);
-	pte[1] = be64_to_cpu(pte[1]);
+	pte[0] = be64_to_cpu((__force __be64)pte[0]);
+	pte[1] = be64_to_cpu((__force __be64)pte[1]);
 
 	ret = H_NOT_FOUND;
 	if ((pte[0] & HPTE_V_VALID) == 0 ||
@@ -171,8 +172,8 @@ static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu)
 
 		pteg = get_pteg_addr(vcpu, tsh & H_BULK_REMOVE_PTEX);
 		copy_from_user(pte, (void __user *)pteg, sizeof(pte));
-		pte[0] = be64_to_cpu(pte[0]);
-		pte[1] = be64_to_cpu(pte[1]);
+		pte[0] = be64_to_cpu((__force __be64)pte[0]);
+		pte[1] = be64_to_cpu((__force __be64)pte[1]);
 
 		/* tsl = AVPN */
 		flags = (tsh & H_BULK_REMOVE_FLAGS) >> 26;
@@ -211,8 +212,8 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu)
 	pteg = get_pteg_addr(vcpu, pte_index);
 	mutex_lock(&vcpu->kvm->arch.hpt_mutex);
 	copy_from_user(pte, (void __user *)pteg, sizeof(pte));
-	pte[0] = be64_to_cpu(pte[0]);
-	pte[1] = be64_to_cpu(pte[1]);
+	pte[0] = be64_to_cpu((__force __be64)pte[0]);
+	pte[1] = be64_to_cpu((__force __be64)pte[1]);
 
 	ret = H_NOT_FOUND;
 	if ((pte[0] & HPTE_V_VALID) == 0 ||
@@ -231,8 +232,8 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu)
 
 	rb = compute_tlbie_rb(v, r, pte_index);
 	vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false);
-	pte[0] = cpu_to_be64(pte[0]);
-	pte[1] = cpu_to_be64(pte[1]);
+	pte[0] = (__force u64)cpu_to_be64(pte[0]);
+	pte[1] = (__force u64)cpu_to_be64(pte[1]);
 	copy_to_user((void __user *)pteg, pte, sizeof(pte));
 	ret = H_SUCCESS;