[MODERATED] Re: [PATCH 3/9] TAA 3

On Thu, Oct 24, 2019 at 10:36:00PM +0200, speck for Borislav Petkov wrote:
> On Thu, Oct 24, 2019 at 03:14:03PM -0500, speck for Josh Poimboeuf wrote:
> > Actually, according to the patches, with TSX_CTRL CPUs, HLE is
> > unconditionally disabled, but still enumerated as present in CPUID
> > (why???)
> 
> I found it: in an older email thread Andrew talks about migration
> compatibility and HLE. Dunno if we care but maybe someone else has a
> better idea.

Ok, so a question here is -- on top of all the other questions we seem
to be generating -- should we be unconditionally clearing
X86_FEATURE_HLE in the cases where HLE is disabled but not reported as
such, or will that break virt somehow?

-- 
Josh