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KVM: arm64: Rename __pkvm_pgtable_stage2_unmap()

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In preparation for adding support for protected VMs, where pages are
donated rather than shared, rename __pkvm_pgtable_stage2_unmap() to
__pkvm_pgtable_stage2_unshare() to make it clearer about what is going
on.

Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20260330144841.26181-5-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Will Deacon
2026-03-30 15:48:05 +01:00
committed by Marc Zyngier
parent 9f02deef47
commit ff1e7f9897
1 changed files with 4 additions and 4 deletions
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8
arch/arm64/kvm/pkvm.c
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@@ -322,7 +322,7 @@ int pkvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_s2_mmu *mmu,
return 0;
}
static int __pkvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 start, u64 end)
static int __pkvm_pgtable_stage2_unshare(struct kvm_pgtable *pgt, u64 start, u64 end)
{
struct kvm *kvm = kvm_s2_mmu_to_kvm(pgt->mmu);
pkvm_handle_t handle = kvm->arch.pkvm.handle;
@@ -350,7 +350,7 @@ void pkvm_pgtable_stage2_destroy_range(struct kvm_pgtable *pgt,
if (!handle)
return;
__pkvm_pgtable_stage2_unmap(pgt, addr, addr + size);
__pkvm_pgtable_stage2_unshare(pgt, addr, addr + size);
}
void pkvm_pgtable_stage2_destroy_pgd(struct kvm_pgtable *pgt)
@@ -386,7 +386,7 @@ int pkvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
return -EAGAIN;
/* Remove _any_ pkvm_mapping overlapping with the range, bigger or smaller. */
ret = __pkvm_pgtable_stage2_unmap(pgt, addr, addr + size);
ret = __pkvm_pgtable_stage2_unshare(pgt, addr, addr + size);
if (ret)
return ret;
mapping = NULL;
@@ -409,7 +409,7 @@ int pkvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size)
{
lockdep_assert_held_write(&kvm_s2_mmu_to_kvm(pgt->mmu)->mmu_lock);
return __pkvm_pgtable_stage2_unmap(pgt, addr, addr + size);
return __pkvm_pgtable_stage2_unshare(pgt, addr, addr + size);
}
int pkvm_pgtable_stage2_wrprotect(struct kvm_pgtable *pgt, u64 addr, u64 size)