Commit 8d5207be authored by Quentin Perret's avatar Quentin Perret Committed by Marc Zyngier

KVM: arm64: Convert memslot cache-flushing code to generic page-table API

Convert stage2_flush_memslot() to call the kvm_pgtable_stage2_flush()
function of the generic page-table code instead of walking the page-table
directly.
Signed-off-by: default avatarQuentin Perret <qperret@google.com>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarGavin Shan <gshan@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200911132529.19844-16-will@kernel.org
parent 93c66b40
...@@ -460,21 +460,10 @@ static void stage2_flush_p4ds(struct kvm_s2_mmu *mmu, pgd_t *pgd, ...@@ -460,21 +460,10 @@ static void stage2_flush_p4ds(struct kvm_s2_mmu *mmu, pgd_t *pgd,
static void stage2_flush_memslot(struct kvm *kvm, static void stage2_flush_memslot(struct kvm *kvm,
struct kvm_memory_slot *memslot) struct kvm_memory_slot *memslot)
{ {
struct kvm_s2_mmu *mmu = &kvm->arch.mmu;
phys_addr_t addr = memslot->base_gfn << PAGE_SHIFT; phys_addr_t addr = memslot->base_gfn << PAGE_SHIFT;
phys_addr_t end = addr + PAGE_SIZE * memslot->npages; phys_addr_t end = addr + PAGE_SIZE * memslot->npages;
phys_addr_t next;
pgd_t *pgd;
pgd = mmu->pgd + stage2_pgd_index(kvm, addr); stage2_apply_range_resched(kvm, addr, end, kvm_pgtable_stage2_flush);
do {
next = stage2_pgd_addr_end(kvm, addr, end);
if (!stage2_pgd_none(kvm, *pgd))
stage2_flush_p4ds(mmu, pgd, addr, next);
if (next != end)
cond_resched_lock(&kvm->mmu_lock);
} while (pgd++, addr = next, addr != end);
} }
/** /**
......
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