linux-kernel - Re: [patch 53/53] x86/cpu/topology: Get rid of cpuinfo::x86_max

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Date:   Fri, 11 Aug 2023 15:44:06 +0000
From:   "Zhang, Rui" <rui.zhang@...el.com>
To:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "Gross, Jurgen" <jgross@...e.com>,
        "mikelley@...rosoft.com" <mikelley@...rosoft.com>,
        "arjan@...ux.intel.com" <arjan@...ux.intel.com>,
        "kprateek.nayak@....com" <kprateek.nayak@....com>,
        "x86@...nel.org" <x86@...nel.org>,
        "kan.liang@...ux.intel.com" <kan.liang@...ux.intel.com>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>,
        "ray.huang@....com" <ray.huang@....com>,
        "andrew.cooper3@...rix.com" <andrew.cooper3@...rix.com>,
        "Sivanich, Dimitri" <dimitri.sivanich@....com>,
        "paulmck@...nel.org" <paulmck@...nel.org>,
        "Mehta, Sohil" <sohil.mehta@...el.com>,
        "andy@...radead.org" <andy@...radead.org>,
        "Tang, Feng" <feng.tang@...el.com>
Subject: Re: [patch 53/53] x86/cpu/topology: Get rid of cpuinfo::x86_max_cores

> --- a/arch/x86/kernel/smpboot.c
> +++ b/arch/x86/kernel/smpboot.c
> @@ -566,7 +566,7 @@ static void __init build_sched_topology(
>  void set_cpu_sibling_map(int cpu)
>  {
>         bool has_smt = topology_smt_supported();
> -       bool has_mp = has_smt || boot_cpu_data.x86_max_cores > 1;
> +       bool has_mp = has_smt || topology_num_cores_per_package() >
> 1;

or use
	bool has_mp = topology_num_threads_per_package() > 1;
?

thanks,
rui