From patchwork Fri Aug 31 19:20:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 145688 Delivered-To: patch@linaro.org Received: by 2002:a2e:1648:0:0:0:0:0 with SMTP id 8-v6csp1139703ljw; Fri, 31 Aug 2018 12:20:27 -0700 (PDT) X-Google-Smtp-Source: ANB0VdZ/NzA9ZJF/MgfASN2QgDE0r31SVGoefg5LbfcPP+HmfPcKe0fInQNEtS5kC+CzulpsM191 X-Received: by 2002:a62:6781:: with SMTP id t1-v6mr17456966pfj.200.1535743227706; Fri, 31 Aug 2018 12:20:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535743227; cv=none; d=google.com; s=arc-20160816; b=drBIybx3degSognCjVrNhBzGqdNIzG7GemynWK5PIxEiyNNHYtCwGWalXy+PBBAGbO PJjjiCtu4DLyr4eHfG+Fp86IYIQXwlhygT1/6wEVW//NedS0gGps4s8J8kHIo/VDNM9q CvwVUdRB1DA0USmrcfKX4cjwr2Q3A87E8uoUjzXyxsfE6yhn1nkyHEAhdul9S/A73o9d Gpi7u1P7b/Kizb1sgVk1BBKeqEzkEEQaqtEIpN4JYecn1nmiNZAWtSje9C6Zd8lL+/g0 oZNjL4TFFovOwatcxJo025K/oSAsOb+r2kQ4CZenIfG7xqSuBX9CTV9Ybk36vhCnHwv3 t0UQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature :arc-authentication-results; bh=gDdm0RdbADdHbMA3OWdOpYCbUyi2UQrHebekyGn7fEA=; b=m80wvfouC+xPTn7f9Lp08qZ5qslZuZArcEhJicrGZeMpXjrJ3MrzEMwHWEmFI53W1S W4quA6qLpfygsesmVUcD1/v5rU1nOz+h+E+1NGBOCvhvI2yDyhNxwBrhAZNgdPzDS+4I hrBsroSAUuiXNRbfKaQtDYFeM+ZXdYHjfeiFbSJxkLBQGjf+9LlsQYnQCQPIEw8GE3rM rqNHOLZb0aXMa6rcSdCK9GdUkE0OfNdLZNbBFBhr+tMZa8I/JVqGLqIkAcmy1gHAk/Hd mkPNStjDVp9/WNNKEo7D9YSCWf5nG9/GWbNox1WuKRRZMsBe1Lcdd4LaV0o2myQzwF7C quCA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=H9wLNJSy; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v4-v6si10301941pgn.110.2018.08.31.12.20.27; Fri, 31 Aug 2018 12:20:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=H9wLNJSy; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727561AbeHaX3S (ORCPT + 32 others); Fri, 31 Aug 2018 19:29:18 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:42688 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727085AbeHaX3R (ORCPT ); Fri, 31 Aug 2018 19:29:17 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id w7VJKDSr117964; Fri, 31 Aug 2018 14:20:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1535743213; bh=gDdm0RdbADdHbMA3OWdOpYCbUyi2UQrHebekyGn7fEA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=H9wLNJSysfnbgdKZbi1HCyr8JK2PHD0EhZy5yJuVkl1XyxxwuQPTqSfmtsMuCslPd XDGyMdB1ilgiBuoP1LzopMFlLRPf7QLFKm0XnM+1CGRP2r2X9kCgC+gs+wwSpKXwnt yHUn4yASW6RGsEKlCUGPH4P49CQzpFhEQf74vB5g= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VJKDd8025648; Fri, 31 Aug 2018 14:20:13 -0500 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Fri, 31 Aug 2018 14:20:13 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Fri, 31 Aug 2018 14:20:13 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VJKDSg015498; Fri, 31 Aug 2018 14:20:13 -0500 Received: from localhost (uda0226610.dhcp.ti.com [128.247.59.147]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id w7VJKDx13941; Fri, 31 Aug 2018 14:20:13 -0500 (CDT) From: Grygorii Strashko To: , CC: Sekhar Nori , Steven Rostedt , LKML , Grygorii Strashko Subject: [4.14.66-rt TEST PATCH 1/3] irqchip/gic-v3-its: Make its_lock a raw_spin_lock_t Date: Fri, 31 Aug 2018 14:20:07 -0500 Message-ID: <20180831192009.17257-1-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.10.5 In-Reply-To: <20180830091456.mz73o26ohrc3rq2f@linutronix.de> References: <20180830091456.mz73o26ohrc3rq2f@linutronix.de> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Grygorii Strashko --- drivers/irqchip/irq-gic-v3-its.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.10.5 diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index c564443..0b691d1 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -154,7 +154,7 @@ static struct { } vpe_proxy; static LIST_HEAD(its_nodes); -static DEFINE_SPINLOCK(its_lock); +static DEFINE_RAW_SPINLOCK(its_lock); static struct rdists *gic_rdists; static struct irq_domain *its_parent; @@ -1854,7 +1854,7 @@ static void its_cpu_init_collection(void) struct its_node *its; int cpu; - spin_lock(&its_lock); + raw_spin_lock(&its_lock); cpu = smp_processor_id(); list_for_each_entry(its, &its_nodes, entry) { @@ -1896,7 +1896,7 @@ static void its_cpu_init_collection(void) its_send_invall(its, &its->collections[cpu]); } - spin_unlock(&its_lock); + raw_spin_unlock(&its_lock); } static struct its_device *its_find_device(struct its_node *its, u32 dev_id) @@ -3109,9 +3109,9 @@ static int __init its_probe_one(struct resource *res, if (err) goto out_free_tables; - spin_lock(&its_lock); + raw_spin_lock(&its_lock); list_add(&its->entry, &its_nodes); - spin_unlock(&its_lock); + raw_spin_unlock(&its_lock); return 0;