On Fri, 2014-12-12 at 23:14 +0800, Feng Wu wrote: > This patch adds a new member capability to struct irq_remap_ops, > this new function ops can be used to check whether some > features are supported, such as VT-d Posted-Interrupts.
> + /* Check some capability is supported */ > + bool (*capability)(enum irq_remap_cap); > + Does this need to be a function call? Or could we just have a set of flags in the irq_remap_ops instead, with less overhead to check them? -- David Woodhouse Open Source Technology Centre david.woodho...@intel.com Intel Corporation
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