Commit a4d5ca5c authored by Yanan Wang's avatar Yanan Wang Committed by Marc Zyngier
Browse files

KVM: arm64: Introduce mm_ops member for structure stage2_attr_data 



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: default avatarFuad Tabba <tabba@google.com>
Signed-off-by: default avatarYanan Wang <wangyanan55@huawei.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210617105824.31752-3-wangyanan55@huawei.com
parent 6204004d

arch/arm64/kvm/hyp/pgtable.c

+6 −4
Original line number Diff line number Diff line
@@ -865,6 +865,7 @@ struct stage2_attr_data { 
	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,
@@ -903,6 +904,7 @@ 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,