On Thu, Feb 02 2023 at 21:56, Usama Arif wrote: > From: David Woodhouse <dwmw@xxxxxxxxxxxx> > > When the APs can find their own APIC ID without assistance, we can do We can do nothing ... Again, read Documentation/process ... > the AP bringup in parallel. > /** > * arch_disable_smp_support() - disables SMP support for x86 at runtime > */ > @@ -1550,6 +1560,10 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) > do_parallel_bringup = false; > } > > + if (do_parallel_bringup) > + cpuhp_setup_state_nocalls(CPUHP_BP_PARALLEL_DYN, "x86/cpu:kick", > + native_cpu_kick, NULL); https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#bracket-rules Thanks, tglx
