Hi Laurent, On Thu, Mar 1, 2012 at 6:37 PM, Laurent Pinchart <[email protected]> wrote: > I'll try that then. How expensive is the iommu_attach_device() (and detach) > operation in terms of CPU time ?
omap_iommu_attach() basically enables the iommu clock and configures that IP block. I suspect it's negligible but I didn't really measure it... Thanks, Ohad. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
