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UPSTREAM: KVM: arm64: Introduce mm_ops member for structure stage2_attr_data

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Also add a mm_ops member for structure stage2_attr_data, since we
will move I-cache maintenance for guest stage-2 to the permission
path and as a result will need mm_ops for some callbacks.

Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210617105824.31752-3-wangyanan55@huawei.com
(cherry picked from commit a4d5ca5c7c)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 192636784
Change-Id: Ie46f53b669a579856e29df6a3155c466bd41aa83
This commit is contained in:
Yanan Wang
2021-06-17 18:58:22 +08:00
committed by Will Deacon
parent b547d2b80f
commit 4c3461fa58
1 changed files with 6 additions and 4 deletions
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10
arch/arm64/kvm/hyp/pgtable.c
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@@ -864,10 +864,11 @@ int kvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size)
}
struct stage2_attr_data {
kvm_pte_t attr_set;
kvm_pte_t attr_clr;
kvm_pte_t pte;
u32 level;
kvm_pte_t attr_set;
kvm_pte_t attr_clr;
kvm_pte_t pte;
u32 level;
struct kvm_pgtable_mm_ops *mm_ops;
};
static int stage2_attr_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
@@ -906,6 +907,7 @@ static int stage2_update_leaf_attrs(struct kvm_pgtable *pgt, u64 addr,
struct stage2_attr_data data = {
.attr_set = attr_set & attr_mask,
.attr_clr = attr_clr & attr_mask,
.mm_ops = pgt->mm_ops,
};
struct kvm_pgtable_walker walker = {
.cb = stage2_attr_walker,