On Mon, Oct 02, 2017 at 10:12:18AM -0500, [email protected] wrote: > static void detect_art(void) > { > unsigned int unused[2]; > > - if (boot_cpu_data.cpuid_level < ART_CPUID_LEAF) > + if (boot_cpu_data.cpuid_level < ART_CPUID_LEAF || tsc_art_disabled) > return; > > /* Don't enable ART in a VM, non-stop TSC and TSC_ADJUST required */
So why can't we use is_uv_system() here an for the tsc_adjust thing? Also (and I hate the name) tsc_multi_sync_resets is the reason you cannot use ART, I don't think it makes sense to introduce yet another knob.
