On Thu, Jun 01, 2023 at 01:50:48AM +0100, Andrew Cooper wrote:
> On 01/06/2023 1:42 am, Josh Poimboeuf wrote:
> > So each LFENCE has a distinct purpose. That said, there are no indirect
> > branches or unbalanced RETs between them.
>
> How lucky are you feeling?
>
> You're in C at this point, which means the compiler could have emitted a
> call to mem{cpy,cmp}() in place of a simple assignment/comparison.
But it's only unbalanced RETs we're concerned about, per Intel.
--
Josh
