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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 673ADC433E0 for ; Wed, 17 Jun 2020 16:49:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4150521556 for ; Wed, 17 Jun 2020 16:49:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jyieeRfQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726981AbgFQQr5 (ORCPT ); Wed, 17 Jun 2020 12:47:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726976AbgFQQr4 (ORCPT ); Wed, 17 Jun 2020 12:47:56 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEC50C06174E; Wed, 17 Jun 2020 09:47:55 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id d128so2762500wmc.1; Wed, 17 Jun 2020 09:47:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gVhmxQFIFClqMGdzVtOb6Jbh/xq4f9D9vI2PHG/g/+c=; b=jyieeRfQpE8EHRM/R2i+3nUJ4FYKCu5/yHXrTi79yTAA51GM2AH0HoA5GipmmOXQE6 sLSqJn+jP7chgvl93Bklkai4T3d7pI1/ziRIdXYT7kzVPp6+xPXzivbxL2MBWyClPCsX 0i+ySWpKwZvF599veqjre9Y1opQ8W6/zD7TEKMT4o8WIwWwYN889czHXCyCWKGJDA2oV hf0YfZCk36zK5C0dvqqC7CpJcGkywSSDxHDeM5g9nyFqNH/D9NdrNWoNGbuVYGeNevE2 HxOEGpW4TSXuHV5WsTqI9sOnKRnk1KjDZU55yzvb17hYaVvdubOptIvLqQMEA5sYAf5K PccA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gVhmxQFIFClqMGdzVtOb6Jbh/xq4f9D9vI2PHG/g/+c=; b=l5jBhoM1M6ipdi0aFq0kV8BiDtYDBT+IdT/liseqyzMAFGuWP3NLf9E+zVlDhzpbMG JtnyENbz2Y9BeZcWWCnP6DErK0C8FYUvS0t91Q2azCBGR39rBbo14XlkRgO/SDE6zqgC rT06Ta7gYaLkJ9jkVzIlsLpK+ADtjd/B6ARnQ5Hh+PyezXMaSGiNtGLdRAW1wpqQ4Za9 48uiPZrV8ABvEejIps/iJjTfhxLNCOT1keorhXUksZwAOpt5vrz1xZl4cBH1W/azeFsm +bOKPZfnpgDZyvHh6FqyPT5Y/+13aV9fQBW10kdFoZdKraW1WJKL9hSE0asdqO7Yt0HO L6PQ== X-Gm-Message-State: AOAM532lsfL8Ei9APqBpnryRPs3GGKXgl6OXlj/9WqzHXEmlV0Ms62wY EVYZDR9I/jKWM93TEJC2M0g= X-Google-Smtp-Source: ABdhPJwpFr1lV1s6gM0gvMq5aYT6qZyCrxbVg5gighFnKTD/gPodBaHaYk+qI6UdRQzbAPwe2si88w== X-Received: by 2002:a1c:b654:: with SMTP id g81mr9321392wmf.128.1592412474438; Wed, 17 Jun 2020 09:47:54 -0700 (PDT) Received: from localhost.localdomain (ip-213-220-210-175.net.upcbroadband.cz. [213.220.210.175]) by smtp.gmail.com with ESMTPSA id g3sm199165wrb.46.2020.06.17.09.47.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2020 09:47:53 -0700 (PDT) From: "Andrea Parri (Microsoft)" To: "K . Y . Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Michael Kelley Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, "Andrea Parri (Microsoft)" Subject: [PATCH 3/8] Drivers: hv: vmbus: Replace cpumask_test_cpu(, cpu_online_mask) with cpu_online() Date: Wed, 17 Jun 2020 18:46:37 +0200 Message-Id: <20200617164642.37393-4-parri.andrea@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200617164642.37393-1-parri.andrea@gmail.com> References: <20200617164642.37393-1-parri.andrea@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org A slight improvement in readability, and this does also remove one memory access when NR_CPUS == 1! ;-) Signed-off-by: Andrea Parri (Microsoft) --- drivers/hv/vmbus_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index c3205f40d1415..452c14c656e2a 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1702,7 +1702,7 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel, /* No CPUs should come up or down during this. */ cpus_read_lock(); - if (!cpumask_test_cpu(target_cpu, cpu_online_mask)) { + if (!cpu_online(target_cpu)) { cpus_read_unlock(); return -EINVAL; } -- 2.25.1