Re: [PATCH 06/18] x86, barrier: stop speculation for failed access_ok

[Alan Cox]

> everyone. ÂI'm not saying this always happens, but it is reasonable to
> let the iterative pushback see if we can get to better code in this
> case rather than trying to cut it of with the "because *security*"
> argument.
> 

I'm not arguing otherwise - I'd just prefer most users machines are
secure while we have the discussion and while we see what other
architectural tricks people can come up with

Alan