Re: [Xen-devel] [v2 6/6] xen/smmu: Add a new config define for legacy SMMU

[Julien Grall <julien.grall@xxxxxxx>]

Hi Jan,

On 24/05/18 08:59, Jan Beulich wrote:
> > > > On 24.05.18 at 02:46, <sameer.goel@xxxxxxxxxx> wrote:
> > --- a/xen/drivers/passthrough/arm/Makefile
> > +++ b/xen/drivers/passthrough/arm/Makefile
> > @@ -1,3 +1,3 @@
> >   obj-y += iommu.o
> > -obj-y += smmu.o
> > +obj-$(CONFIG_ARM_SMMU) += smmu.o
> >   obj-$(CONFIG_ARM_SMMU_v3) += smmu-v3.o
> Same question as to Stefano the other day: What use if iommu.o when both
> config options are off?
The answer has not changed here. So I will just copy his answer:

"Things like iommu_domain_init are called unconditionally from ARM code
at the moment, it is not quite possible to skip compilation today. Also,
it is small, so it is not worth it I think."

Cheers,

> Jan
--
Julien Grall

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