[MODERATED] Re: Encrypted Message

On Sun, Mar 03, 2019 at 10:58:01PM -0500, speck for Jon Masters wrote:

> On 3/3/19 8:24 PM, speck for Josh Poimboeuf wrote:
> 
> > +		if (sched_smt_active() && !boot_cpu_has(X86_BUG_MSBDS_ONLY))
> > +			pr_warn_once(MDS_MSG_SMT);
> 
> It's never fully safe to use SMT. I get that if we only had MSBDS then
> it's unlikely we'll hit the e.g. power state change cases needed to
> exploit it but I think it would be prudent to display something anyway?

My understanding is that the idle state changes are mitigated elsewhere
in the MDS patches, so it should be safe in theory.

-- 
Josh