[PATCH v3 05/15] KVM: arm64: Hook up ->page_count() for hypervisor stage-1 page-table

From: Quentin Perret
Date: Wed Dec 01 2021 - 12:05:22 EST


From: Will Deacon <will@xxxxxxxxxx>

kvm_pgtable_hyp_unmap() relies on the ->page_count() function callback
being provided by the memory-management operations for the page-table.

Wire up this callback for the hypervisor stage-1 page-table.

Signed-off-by: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Quentin Perret <qperret@xxxxxxxxxx>
---
arch/arm64/kvm/hyp/nvhe/setup.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c
index 875b5174342f..855a19056627 100644
--- a/arch/arm64/kvm/hyp/nvhe/setup.c
+++ b/arch/arm64/kvm/hyp/nvhe/setup.c
@@ -257,6 +257,7 @@ void __noreturn __pkvm_init_finalise(void)
.virt_to_phys = hyp_virt_to_phys,
.get_page = hpool_get_page,
.put_page = hpool_put_page,
+ .page_count = hyp_page_count,
};
pkvm_pgtable.mm_ops = &pkvm_pgtable_mm_ops;

--
2.34.0.rc2.393.gf8c9666880-goog