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| author | Quentin Perret <qperret@google.com> | 2020-09-11 14:25:23 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-09-11 15:51:14 +0100 |
| commit | 8d5207bef6913b5fac91cb58e509711e406c160d (patch) | |
| tree | 04aefa2002d773925d1a2898d9e13323ad1f11ad /arch/arm64/kvm/mmu.c | |
| parent | 93c66b40d728178722706a306df15ce92c819cd6 (diff) | |
| download | lwn-8d5207bef6913b5fac91cb58e509711e406c160d.tar.gz lwn-8d5207bef6913b5fac91cb58e509711e406c160d.zip | |
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: Quentin Perret <qperret@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Cc: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200911132529.19844-16-will@kernel.org
Diffstat (limited to 'arch/arm64/kvm/mmu.c')
| -rw-r--r-- | arch/arm64/kvm/mmu.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index a37da87eb7eb..d5813996c0e4 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -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, 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 end = addr + PAGE_SIZE * memslot->npages; - phys_addr_t next; - pgd_t *pgd; - pgd = mmu->pgd + stage2_pgd_index(kvm, addr); - 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); + stage2_apply_range_resched(kvm, addr, end, kvm_pgtable_stage2_flush); } /** |