cost/benefit of some src.conf options

[Andrea Venturoli]

On 3/26/21 10:35 PM, Chris wrote:

> My understanding is that retpoline is really only of interest if your 
> box might
> accessed *locally* by *untrusted* individuals.

Thanks.

Does an user on a guest VM qualifies as *untrusted*?
Or does a closed-source software on such VM?

In any case, if RETpoline is so, then is IBRS.
The comparison would still be interesting to me.