Re: [tip:x86/pti] x86/spectre: Add boot time option to select Spectre v2 mitigation

[Thomas Gleixner]

On Wed, 10 Jan 2018, Thomas Gleixner wrote:
> On Wed, 10 Jan 2018, Tom Lendacky wrote:
> > > +retpoline_auto:
> > > +	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) {
> > 
> > Not specifying anything on the command line will get SPECTRE_V2_CMD_AUTO,
> > so boot_cpu_has(X86_FEATURE_LFENCE_RDTSC) needs to be checked since it
> > won't have been checked previously.
> 
> Dammit.

That's for being extra clever while tired and grumpy.

Fixed it up and force pushed the lot again. Thanks Tom for spotting it.

      tglx