Anthony Liguori wrote:
ia64 uses mmio to emulate pio, so the cost may be different. I agree
on x86 it's almost negligible.
Yes, I misunderstood that they actually emulated it like that.
However, ia64 has no paravirtualization support today so surely, we
aren't going to be justifying this via ia64, right?
Right.
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I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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