| Message ID | 20231128204938.1453583-16-pasha.tatashin@soleen.com |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | IOMMU memory observability | expand |
On Tue, Nov 28, 2023 at 08:49:37PM +0000, Pasha Tatashin wrote: > iommu allocations should be accounted in order to allow admins to > monitor and limit the amount of iommu memory. > > Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> > --- > drivers/vhost/vdpa.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index da7ec77cdaff..a51c69c078d9 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -968,7 +968,8 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, > r = ops->set_map(vdpa, asid, iotlb); > } else { > r = iommu_map(v->domain, iova, pa, size, > - perm_to_iommu_flags(perm), GFP_KERNEL); > + perm_to_iommu_flags(perm), > + GFP_KERNEL_ACCOUNT); > } > if (r) { > vhost_iotlb_del_range(iotlb, iova, iova + size - 1); > -- > 2.43.0.rc2.451.g8631bc7472-goog
On Mon, Dec 25, 2023 at 11:09 AM Michael S. Tsirkin <mst@redhat.com> wrote: > > On Tue, Nov 28, 2023 at 08:49:37PM +0000, Pasha Tatashin wrote: > > iommu allocations should be accounted in order to allow admins to > > monitor and limit the amount of iommu memory. > > > > Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> > > > Acked-by: Michael S. Tsirkin <mst@redhat.com> Thank you, Pasha
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index da7ec77cdaff..a51c69c078d9 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -968,7 +968,8 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb, r = ops->set_map(vdpa, asid, iotlb); } else { r = iommu_map(v->domain, iova, pa, size, - perm_to_iommu_flags(perm), GFP_KERNEL); + perm_to_iommu_flags(perm), + GFP_KERNEL_ACCOUNT); } if (r) { vhost_iotlb_del_range(iotlb, iova, iova + size - 1);
iommu allocations should be accounted in order to allow admins to monitor and limit the amount of iommu memory. Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> --- drivers/vhost/vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)