On Mon, May 14, 2018 at 8:00 PM, Alexey Kardashevskiy <aik@xxxxxxxxx> wrote:
> The other TCE handlers use page shift from the guest visible TCE table
> (described by kvmppc_spapr_tce_iommu_table) so let's make H_STUFF_TCE
> handlers do the same thing.
>
> This should cause no behavioral change now but soon we will allow
> the iommu_table::it_page_shift being different from from the emulated
> table page size so this will play a role.
>
> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
> Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
> ---
> arch/powerpc/kvm/book3s_64_vio.c | 2 +-
> arch/powerpc/kvm/book3s_64_vio_hv.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
> index 4dffa61..041e54d 100644
> --- a/arch/powerpc/kvm/book3s_64_vio.c
> +++ b/arch/powerpc/kvm/book3s_64_vio.c
> @@ -615,7 +615,7 @@ long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu,
> return H_PARAMETER;
>
> list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
> - unsigned long entry = ioba >> stit->tbl->it_page_shift;
> + unsigned long entry = ioba >> stt->page_shift;
>
> for (i = 0; i < npages; ++i) {
> ret = kvmppc_tce_iommu_unmap(vcpu->kvm,
> diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
> index 6651f73..e220fab 100644
> --- a/arch/powerpc/kvm/book3s_64_vio_hv.c
> +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
> @@ -526,7 +526,7 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
> return H_PARAMETER;
>
> list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
> - unsigned long entry = ioba >> stit->tbl->it_page_shift;
> + unsigned long entry = ioba >> stt->page_shift;
>
> for (i = 0; i < npages; ++i) {
> ret = kvmppc_rm_tce_iommu_unmap(vcpu->kvm,
Acked-by: Balbir Singh <bsingharora@xxxxxxxxx>
Balbir
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