| Message ID | 1577634178-22530-4-git-send-email-Julia.Lawall@inria.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | use mmgrab | expand |
On Sun, 29 Dec 2019 16:42:57 +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/vfio_iommu_spapr_tce.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c > index 26cef65b41e7..16b3adc508db 100644 > --- a/drivers/vfio/vfio_iommu_spapr_tce.c > +++ b/drivers/vfio/vfio_iommu_spapr_tce.c > @@ -79,7 +79,7 @@ static long tce_iommu_mm_set(struct tce_container *container) > } > BUG_ON(!current->mm); > container->mm = current->mm; > - atomic_inc(&container->mm->mm_count); > + mmgrab(container->mm); > > return 0; > } > Acked-by: Alex Williamson <alex.williamson@redhat.com>
On Sun, 29 Dec 2019 16:42:57 +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/vfio_iommu_spapr_tce.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Cornelia Huck <cohuck@redhat.com>
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 26cef65b41e7..16b3adc508db 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -79,7 +79,7 @@ static long tce_iommu_mm_set(struct tce_container *container) } BUG_ON(!current->mm); container->mm = current->mm; - atomic_inc(&container->mm->mm_count); + mmgrab(container->mm); return 0; }
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/vfio_iommu_spapr_tce.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)