Re: [PATCH] x86: Removing unnecessary check in detect_ht

Ingo Molnar
2011-05-18T21:08:07Z

* Rao, Nikhil <nikhil.rao@intel.com> wrote:

> This patch removes a check that prevents correct CPU topology setup
> when cpuid extensions for topology enumeration are not supported and
> the number of processors reported to the OS is smaller than
> smp_num_siblings

What bad effect was observed, exactly? An annoying warning in the bootlog and
incorrect scheduler domain setup (SMP instead of SMT) - or something else as
well?

Thanks,

Ingo