On Mon, 28 Jan 2019 06:52:52 -0600
Josh Poimboeuf <jpoim...@redhat.com> wrote:
> On Mon, Jan 28, 2019 at 11:13:04AM +0100, Igor Mammedov wrote:
> > On Fri, 25 Jan 2019 11:02:03 -0600
> > Josh Poimboeuf <jpoim...@redhat.com> wrote:
> >
> > > On Fri, Jan 25, 2019 at 10:36:57AM -0600, Josh Poimboeuf wrote:
> > > > How about this patch? It's just a revert of 73d5e2b47264 and
> > > > bc2d8d262cba, plus the 1-line vmx_vm_init() change. If it looks ok to
> > > > you, I can clean it up and submit an official version.
> > >
> > > This one actually compiles...
> >
> > Looks good to me,
> > (one small question below)
> >
> >
> > [...]
> > > static inline bool cpu_smt_allowed(unsigned int cpu)
> > > {
> > > - if (topology_is_primary_thread(cpu))
> > > + if (cpu_smt_control == CPU_SMT_ENABLED)
> > > return true;
> > >
> > > - /*
> > > - * If the CPU is not a 'primary' thread and the booted_once bit is
> > > - * set then the processor has SMT support. Store this information
> > > - * for the late check of SMT support in cpu_smt_check_topology().
> > > - */
> > > - if (per_cpu(cpuhp_state, cpu).booted_once)
> > > - cpu_smt_available = true;
> > > -
> > > - if (cpu_smt_control == CPU_SMT_ENABLED)
> > > + if (topology_is_primary_thread(cpu))
> > > return true;
> > why did you swap cpu_smt_control and topology_is_primary_thread checks?
>
> That's just the revert of bc2d8d262cba5.
ok. waiting for formal patch
pls, CC k...@vger.kernel.org so Paolo could have a chance to review
(pick it up if Thomas is ok with approach)
