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Subject[PATCH v4 29/34] KVM: arm64: Refactor stage2_map_set_prot_attr()
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In order to ease its re-use in other code paths, refactor
stage2_map_set_prot_attr() to not depend on a stage2_map_data struct.
No functional change intended.

Signed-off-by: Quentin Perret <qperret@google.com>
---
arch/arm64/kvm/hyp/pgtable.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index e4670b639726..c16e0306dd9a 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -489,8 +489,7 @@ u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift)
return vtcr;
}

-static int stage2_map_set_prot_attr(enum kvm_pgtable_prot prot,
- struct stage2_map_data *data)
+static int stage2_set_prot_attr(enum kvm_pgtable_prot prot, kvm_pte_t *ptep)
{
bool device = prot & KVM_PGTABLE_PROT_DEVICE;
kvm_pte_t attr = device ? PAGE_S2_MEMATTR(DEVICE_nGnRE) :
@@ -510,7 +509,8 @@ static int stage2_map_set_prot_attr(enum kvm_pgtable_prot prot,

attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S2_SH, sh);
attr |= KVM_PTE_LEAF_ATTR_LO_S2_AF;
- data->attr = attr;
+ *ptep = attr;
+
return 0;
}

@@ -728,7 +728,7 @@ int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
.arg = &map_data,
};

- ret = stage2_map_set_prot_attr(prot, &map_data);
+ ret = stage2_set_prot_attr(prot, &map_data.attr);
if (ret)
return ret;

--
2.30.1.766.gb4fecdf3b7-goog
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