Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH v6 08/11] x86/smpboot: Send INIT/SIPI/SIPI to secondary CPUs in parallel | Date | Tue, 07 Feb 2023 01:28:25 +0100 |
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On Thu, Feb 02 2023 at 21:56, Usama Arif wrote:
> From: David Woodhouse <dwmw@amazon.co.uk> > > 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
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