Re: [PATCH RFC 2/3] x86-64: Calgary IOMMU - Calgary specific bits

[Pavel Machek]

Hi!

> +union tce_entry {
> +   	u64 te_word;
> +	struct {
> +		unsigned int  read     :1;   /* read allowed */
> +		unsigned int  write    :1;   /* write allowed */
> +		unsigned int  hubid    :6;   /* hub id - unused */
> +		unsigned int  rsvd     :4;   /* reserved */
> +		unsigned long rpn      :36;  /* Real page number */
> +		unsigned int  unused   :16;  /* unused */
> +	} bits;
> +};

I'd say this is going to be pretty flakey.

								Pavel

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161:    {
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