From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25BD0C04ABB for ; Thu, 13 Sep 2018 11:06:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C48F42133F for ; Thu, 13 Sep 2018 11:06:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C48F42133F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727358AbeIMQPP (ORCPT ); Thu, 13 Sep 2018 12:15:15 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:45579 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726741AbeIMQPP (ORCPT ); Thu, 13 Sep 2018 12:15:15 -0400 Received: from p4fea45ac.dip0.t-ipconnect.de ([79.234.69.172] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1g0PRt-0007hP-Tw; Thu, 13 Sep 2018 13:06:14 +0200 Date: Thu, 13 Sep 2018 13:06:13 +0200 (CEST) From: Thomas Gleixner To: Yi Sun 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" , Haiyang Zhang , Stephen Hemminger 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> Message-ID: 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> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Sep 2018, Yi Sun wrote: > +#include > > /* 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