Re: [PATCH v8 21/24] vfio: Add VFIO_DEVICE_BIND_IOMMUFD

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On Thu, Mar 30, 2023 at 12:52:39PM +0000, Liu, Yi L wrote:

> > > "Use a negative value for no-iommu, where supported", or better, should
> > > we define this explicitly as -1, or why not use a flag bit to specify
> > > no-iommu?  Maybe minsz is only through flags for the noiommu use case.
> > 
> > I was happy enough for this to be defined as -1. We could give it a
> > formal sounding constant too
> 
> are you suggesting having something like "#define VFIO_NOIOMMU_FD	-1"?

Yeah something like that

Jason



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