Re: [PATCH][EFI] Run EFI in physical mode

From: Tony Luck
Date: Fri Aug 13 2010 - 19:36:10 EST


On Fri, Aug 13, 2010 at 4:16 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> I guess my real question was "is this something IA64 could benefit from
> and/or could we make the IA64 code more similar to the x86 bits"?

If Eric's recollection about the "weird floating point fixup routines"[1]
performance issues are correct - then ia64 won't want to do this.

-Tony

[1] more usually called FPSWA - floating point software assist - which
handle a bunch or corner cases in denormalized floating point values
that the h/w doesn't cover.
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