On 06/01/2020 16:36, Jan Beulich wrote:
> Note that SDM revision 070 doesn't specify exception behavior for
> ModRM.mod != 0b11; assuming #UD here.
>
> Signed-off-by: Jan Beulich <jbeul...@suse.com>
> ---
> RFC: Yet to be tested (once SDE supports it).
Do you have any plans for how to support ENQCMD{,S} which are just
variations of MOVDIR64B using the F2 and F3 prefixes for behaviour
modification, and whether those might alter what we do here?
The underlying write out into the system is going to be largely the
same, but it can't be shared with MOVDIR64B because it generates a
different type of bus transaction. Also, they require ZF to find their
way back out of the rmw() handler.
~Andrew
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