Re: [Xen-devel] [PATCH 0/5] IOMMU: restrict visibility/scope if certain variables

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Jan Beulich <jbeulich@xxxxxxxx>
> Sent: Friday, February 28, 2020 8:25 PM
> 
> A number of the command line controlled variables are x86-
> or even x86-HVM-specific. Don't have those variables elsewhere
> in the first place (in some cases replace them by a #define),
> and as a result also don't silently accept such "iommu="
> sub-options which in fact have no effect.
> 
> 1: iommu_intremap is x86-only
> 2: iommu_intpost is x86/HVM-only
> 3: iommu_igfx is x86-only
> 4: iommu_qinval is x86-only
> 5: iommu_snoop is x86/HVM-only
> 
> The series contextually depends on "AMD/IOMMU: without XT,
> x2APIC needs to be forced into physical mode"
> 

I'm generally OK with this series, but will give my r-b after
all other vendors have confirmed the scope here.

Thanks
Kevin
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