Messages in this thread |  | | Date | Mon, 6 Jan 2020 16:05:05 -0700 | From | Alex Williamson <> | Subject | Re: [PATCH 2/4] vfio: vfio_pci_nvlink2: use mmgrab |
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On Sun, 29 Dec 2019 16:42:56 +0100 Julia Lawall <Julia.Lawall@inria.fr> wrote:
> Mmgrab was introduced in commit f1f1007644ff ("mm: add new mmgrab() > helper") and most of the kernel was updated to use it. Update a > remaining file. > > The semantic patch that makes this change is as follows: > (http://coccinelle.lip6.fr/) > > <smpl> > @@ expression e; @@ > - atomic_inc(&e->mm_count); > + mmgrab(e); > </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> > > --- > drivers/vfio/pci/vfio_pci_nvlink2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c > index f2983f0f84be..43df10af7f66 100644 > --- a/drivers/vfio/pci/vfio_pci_nvlink2.c > +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c > @@ -159,7 +159,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev, > data->useraddr = vma->vm_start; > data->mm = current->mm; > > - atomic_inc(&data->mm->mm_count); > + mmgrab(data->mm); > ret = (int) mm_iommu_newdev(data->mm, data->useraddr, > vma_pages(vma), data->gpu_hpa, &data->mem); > >
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Thanks! I'm assuming these will be routed via janitors tree, please let me know if you intend me to grab these two vfio patches from the series. Thanks,
Alex
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