RE: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading

[Luck, Tony]

> Yes, they can be as many as there are letters in the english alphabet,
> it seems:
>
> struct taint_flag {
>        char c_true;    /* character printed when tainted */
>	^^^^^^^^^^^^
>
> and there are already
>
> #define TAINT_FLAGS_COUNT               18

That's very 1990's thinking. We have Unicode available now.
We could start using Emoji like U+1F4A9 as a taint character :-) 

> Look at the other taint flags - they're set in a bunch of different
> places so it is hard to unambiguously decide where the taint was set. If
> we wanna use it for debugging, then the taint_flag struct above should
> probably save the caller address which set the taint... or something to
> that effect.

That sounds better than a string of Emoji (also better than the current
string of upper case characters).

-Tony