diff options
| author | Quentin Perret <qperret@google.com> | 2021-03-19 10:01:27 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-03-19 12:01:21 +0000 |
| commit | 834cd93deb75f3a43420e479f133dd02fba95aa6 (patch) | |
| tree | fc71ccb61bfa613a510bc19b79d917adf0ef3197 /arch | |
| parent | bfa79a805454f768b8d76ab683659d9e219a037a (diff) | |
KVM: arm64: Use kvm_arch for stage 2 pgtable
In order to make use of the stage 2 pgtable code for the host stage 2,
use struct kvm_arch in lieu of struct kvm as the host will have the
former but not the latter.
Acked-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/20210319100146.1149909-20-qperret@google.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/include/asm/kvm_pgtable.h | 5 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/pgtable.c | 6 | ||||
| -rw-r--r-- | arch/arm64/kvm/mmu.c | 2 |
3 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h index bf7a3cc49420..7945ec87eaec 100644 --- a/arch/arm64/include/asm/kvm_pgtable.h +++ b/arch/arm64/include/asm/kvm_pgtable.h @@ -162,12 +162,13 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys, /** * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table. * @pgt: Uninitialised page-table structure to initialise. - * @kvm: KVM structure representing the guest virtual machine. + * @arch: Arch-specific KVM structure representing the guest virtual + * machine. * @mm_ops: Memory management callbacks. * * Return: 0 on success, negative error code on failure. */ -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops); /** diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 82aca35a22f6..ea95bbc6ba80 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -880,11 +880,11 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size) return kvm_pgtable_walk(pgt, addr, size, &walker); } -int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, +int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm_arch *arch, struct kvm_pgtable_mm_ops *mm_ops) { size_t pgd_sz; - u64 vtcr = kvm->arch.vtcr; + u64 vtcr = arch->vtcr; u32 ia_bits = VTCR_EL2_IPA(vtcr); u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr); u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0; @@ -897,7 +897,7 @@ int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm, pgt->ia_bits = ia_bits; pgt->start_level = start_level; pgt->mm_ops = mm_ops; - pgt->mmu = &kvm->arch.mmu; + pgt->mmu = &arch->mmu; /* Ensure zeroed PGD pages are visible to the hardware walker */ dsb(ishst); diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index de0ad79d2c90..d6eb1fb21232 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -457,7 +457,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) if (!pgt) return -ENOMEM; - err = kvm_pgtable_stage2_init(pgt, kvm, &kvm_s2_mm_ops); + err = kvm_pgtable_stage2_init(pgt, &kvm->arch, &kvm_s2_mm_ops); if (err) goto out_free_pgtable; |