[MODERATED] Re: [PATCH v7 04/10] TAAv7 4

On Tue, Oct 22, 2019 at 07:02:30PM +0200, speck for Borislav Petkov wrote:
> > > +early_param("tsx_async_abort", tsx_async_abort_cmdline);
> > 
> > Say what now?!
> > 
> > The previous patch added this:
> > 
> >         tsx=            [X86] Control Transactional Synchronization
> >                         Extensions (TSX) feature in Intel processors that
> >                         support TSX control.
> > 
> >                         This parameter controls the TSX feature. The options are:
> > 
> >                         on      - Enable TSX on the system.
> >                         off     - Disable TSX on the system.
> > 
> > So what is the final name of command line option now?
> 
> Yah, Josh just set me straight: there's two flags. Yuck. I'm willing to
> bet I won't be the only one to get confused by this.
> 
> tsx=
> taa=
> 
> is probably marginally better but someone might have a better idea.

It was called taa= in earlier versions. There was a feedback to change
it to tsx_async_abort=. tsx_async_abort is consistent with sysfs file.

	/sys/devices/system/cpu/vulnerabilities/tsx_async_abort

Thanks,
Pawan