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FROMGIT: KVM: arm64: Hook up ->page_count() for hypervisor stage-1 page-table

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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@kernel.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211215161232.1480836-5-qperret@google.com
(cherry picked from commit 34ec7cbf1e
 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next)
Bug: 209599700
Change-Id: I481b1f722f4dddda72e35481aca725a937a52090
This commit is contained in:
Will Deacon
2021-12-15 16:12:21 +00:00
committed by Will Deacon
parent c3a5cad5ec
commit e22f84251d
1 changed files with 1 additions and 0 deletions
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1
arch/arm64/kvm/hyp/nvhe/setup.c
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@@ -274,6 +274,7 @@ 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;