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Commit f396df35 authored by Alexander Graf's avatar Alexander Graf
Browse files

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: default avatarAlexander Graf <agraf@suse.de>
parent da166fac

arch/powerpc/kvm/book3s_pr_papr.c

+11 −10
Original line number Diff line number Diff line
@@ -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;