Re: Question Regarding ERMS memcpy

[Borislav Petkov]

On Mon, Mar 06, 2017 at 05:41:22AM -0800, hpa@xxxxxxxxx wrote:
> It isn't really that straightforward IMO.
>
> For UC memory transaction size really needs to be specified explicitly
> at all times and should be part of the API, rather than implicit.
>
> For WC/WT/WB device memory, the ordinary memcpy is valid and
> preferred.

I'm practically partially reverting

6175ddf06b61 ("x86: Clean up mem*io functions.")

Are you saying, this was wrong before too?

Maybe it was wrong, strictly speaking, but maybe that was good enough
for our purposes...

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Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)
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