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Date:   Thu, 13 Sep 2018 13:06:13 +0200 (CEST)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Yi Sun <yi.y.sun@linux.intel.com>
cc:     linux-kernel@vger.kernel.org, x86@kernel.org,
        chao.p.peng@intel.com, chao.gao@intel.com,
        isaku.yamahata@intel.com, michael.h.kelly@microsoft.com,
        tianyu.lan@microsoft.com, "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>
Subject: Re: [PATCH v1 2/3] locking/pvqspinlock, hv: Enable PV qspinlock for
 Hyper-V
In-Reply-To: <1536830005-37260-3-git-send-email-yi.y.sun@linux.intel.com>
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References: <1536830005-37260-1-git-send-email-yi.y.sun@linux.intel.com> <1536830005-37260-3-git-send-email-yi.y.sun@linux.intel.com>
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On Thu, 13 Sep 2018, Yi Sun wrote:
> +#include <asm/mshyperv.h>
>  
>  /* representing HT siblings of each logical CPU */
>  DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_sibling_map);
> @@ -1335,6 +1336,7 @@ void __init native_smp_prepare_boot_cpu(void)
>  	/* already set me in cpu_online_mask in boot_cpu_init() */
>  	cpumask_set_cpu(me, cpu_callout_mask);
>  	cpu_set_state_online(me);
> +	hv_init_spinlocks();

No. We have smp_ops.smp_prepare_boot_cpu for that.

Thanks,

	tglx