Re: [tip:x86/pti] x86/retpoline: Fill return stack buffer on vmexit

[David Woodhouse]

On Thu, 2018-01-25 at 18:53 +0100, Borislav Petkov wrote:
> 
> So forget the KABI angle and think: simpler, cleaner, more readable
> macros.
> 
> Oh, and David, if while doing so I manage to add the alignment, then
> *that* is even better.
> 
> Win-win-effing-win situation!

Yep, I'll buy that. But first we need Josh to work out what he's having
for lunch.

Although just another marker to tell objtool "ignore this whole
function" might be sufficient to allow us to have an out-of-line RSB-
stuffing function.

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