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KVM: arm64: Pass walk flags to kvm_pgtable_stage2_mkyoung

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kvm_pgtable_stage2_mkyoung currently assumes that it is being called
from a 'shared' walker, which will not be true once called from pKVM.
To allow for the re-use of that function, make the walk flags one of
its parameters.

Tested-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20241218194059.3670226-6-qperret@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Quentin Perret
2024-12-18 19:40:46 +00:00
committed by Marc Zyngier
parent e94a7dea29
commit 5398ddc5c9
3 changed files with 8 additions and 6 deletions
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7
arch/arm64/kvm/hyp/pgtable.c
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@@ -1245,14 +1245,13 @@ int kvm_pgtable_stage2_wrprotect(struct kvm_pgtable *pgt, u64 addr, u64 size)
NULL, NULL, 0);
}
void kvm_pgtable_stage2_mkyoung(struct kvm_pgtable *pgt, u64 addr)
void kvm_pgtable_stage2_mkyoung(struct kvm_pgtable *pgt, u64 addr,
enum kvm_pgtable_walk_flags flags)
{
int ret;
ret = stage2_update_leaf_attrs(pgt, addr, 1, KVM_PTE_LEAF_ATTR_LO_S2_AF, 0,
NULL, NULL,
KVM_PGTABLE_WALK_HANDLE_FAULT |
KVM_PGTABLE_WALK_SHARED);
NULL, NULL, flags);
if (!ret)
dsb(ishst);
}