[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

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>

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.