Re: [PATCH] x86, efi: Calling __pa() with an ioremap'd address isinvalid

From: Matthew Garrett
Date: Tue Oct 11 2011 - 12:23:15 EST


On Tue, Oct 11, 2011 at 04:58:09PM +0100, Matt Fleming wrote:

> Maybe the extra indirection isn't that bad and no one will care? If so,
> then sure, a unified version sounds like a plan. I was just hesitant of
> changing the existing 64-bit implementation for fear of receiving
> replies like "you've now made the 64-bit path slower".

If we have UEFI calls on the fast path then I think we're already
losing. I'd favour simplicity over performance here, personally.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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