Re: [PATCH] iommu/qcom: Use domain rather than dev as tlb cookie

[Rob Clark]

On Wed, Jul 22, 2020 at 6:10 AM Joerg Roedel <joro@xxxxxxxxxx> wrote:
>
> On Tue, Jul 21, 2020 at 12:45:17AM +0530, Naresh Kamboju wrote:
> > On Mon, 20 Jul 2020 at 21:21, Rob Clark <robdclark@xxxxxxxxx> wrote:
> > >
> > > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> > >
> > > The device may be torn down, but the domain should still be valid.  Lets
> > > use that as the tlb flush ops cookie.
> > >
> > > Fixes a problem reported in [1]
> >
> > This proposed fix patch applied on top of linux mainline master
> > and boot test PASS on db410c.
> >
> > The reported problem got fixed.
>
> Is this needed for v5.8/stable? A fixes tag would be great too.

looks like, yes:

Fixes: 09b5dfff9ad6 ("iommu/qcom: Use accessor functions for iommu
private data")

BR,
-R

>
> Regards,
>
>         Joerg