Re: [Xen-devel] [PATCH 3/6] arm: make it possible to disable the SMMU driver

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.04.18 at 00:15, <sstabellini@xxxxxxxxxx> wrote:
> --- /dev/null
> +++ b/xen/drivers/passthrough/arm/Kconfig
> @@ -0,0 +1,7 @@
> +
> +config HAS_SMMUv2
> +     bool "ARM SMMUv2 driver"
> +     default y
> +     depends on ARM
> +     ---help---
> +       Driver for the ARM SMMU version 2, a popular IOMMU by ARM.

This being user-visible but not dependent upon EXPERT - what's the
support status of a hypervisor built without that option? Please recall
that as a rule of thumb we try to limit the number of different
configurations people can build without setting EXPERT, such that we
don't have to go long ways to figure out what configuration was used
in case someone reports a problem. People enabling EXPERT are left
on their own anyway.

Jan



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