Re: [Xen-devel] [PATCH] IOMMU: don't BUG() on exotic hardware

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, May 06, 2016 at 08:24:28AM -0600, Jan Beulich wrote:
> On x86, iommu_get_ops() BUG()s when running on non-Intel, non-AMD
> hardware. While, with our current code, that's a correct prerequisite
> assumption for IOMMU presence, this is wrong on systems without IOMMU.
> Hence iommu_enabled (and alike) checks should be done prior to calling
> that function, not after.
> 
> Also move iommu_suspend() next to iommu_resume() - it escapes me why
> iommu_do_domctl() had got put between the two.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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