Received: by 2002:ac0:946b:0:0:0:0:0 with SMTP id j40csp3819769imj; Tue, 12 Feb 2019 05:18:44 -0800 (PST) X-Google-Smtp-Source: AHgI3IZvxCi/4lpKDcxDpiMtYBJIFYWv3iJz60oTuYt4fpNY1aEyihadYCqC3YZQNnoSXMgxpW3O X-Received: by 2002:a63:d052:: with SMTP id s18mr3565938pgi.11.1549977524154; Tue, 12 Feb 2019 05:18:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1549977524; cv=none; d=google.com; s=arc-20160816; b=h8+P65JZupGP97jPEh4aH8CqMQByxCpWipRsxYLn61/w6CzdMcCyuouTB/bZ0bAB5T 2PlsOMdXl2ogZo7Zaqdv/4oz3dQ7DMaKO0W2xBCugoSwLMyHYPUqACmtx6o6cgQyVpxN gyJl4j5OzkK34iU+4dcFphC8UhDsniZkQrSZKukidzZnypQF9AIrNZhWvXQBa7vrFdKd sG8WNMx97F3gZOpFSGq6ozgy9SoCHkSoAtnHW61nIvEzc0Hy7KPg2dBGOvUwBRQQB3lM CIPG+hOhI/glZltR7sRc4oZvEGCltxL1rHx47AySlATnY03hQEJRhynF3GqihGjctka+ gXvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=2FOsRpVPW6HGO2MgF+dcXSxmLBtz1unLTNlwNN0L6IQ=; b=DB8poVHrBKI2YjFJZbtuwa6+JePMuHLeUt/uQkNaqOcNVwwnbtr7zxPM9A4xLQUGrf dmIpILf52Ntb7jobOTfLgNcROIXPwb1uF6xwtQAvHGUbb+NrwnKIxQkPjxXu3VlJqTsN 8ivRrPa1xzpQNDI7JL4Coj666WbUln5ySYI1mK4JLj0a2c5DYS5DgUmzeMsMIbBJDweN V77DiySz0DtjawmGrPl7yXMi9JRePo3VudBslVRBamTIiq/O9/9YP1gQX4EgfGPvckRX WXHyVjiMht6jDV8Tysip2WsaHiNKL39EWC2LWj8RmUBbCwz+/P/rns/C8Lg2KOJ9jngL ItRw== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j2si11678290pgp.418.2019.02.12.05.18.28; Tue, 12 Feb 2019 05:18:44 -0800 (PST) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729775AbfBLNRg (ORCPT + 99 others); Tue, 12 Feb 2019 08:17:36 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:52908 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727312AbfBLNRf (ORCPT ); Tue, 12 Feb 2019 08:17:35 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 56F399D614730395FFD3; Tue, 12 Feb 2019 21:17:32 +0800 (CST) Received: from [127.0.0.1] (10.184.12.158) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.408.0; Tue, 12 Feb 2019 21:17:25 +0800 Subject: Re: [PATCH] irqchip/gic-v3-its: Avoid parsing _indirect_ twice for Device table To: CC: , , , , , References: <1549776250-4464-1-git-send-email-yuzenghui@huawei.com> From: Zenghui Yu Message-ID: <18c972e9-5230-4a0c-3fbf-e3c6c224d6fc@huawei.com> Date: Tue, 12 Feb 2019 21:17:22 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:64.0) Gecko/20100101 Thunderbird/64.0 MIME-Version: 1.0 In-Reply-To: <1549776250-4464-1-git-send-email-yuzenghui@huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.184.12.158] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marc, On 2019/2/10 13:24, Zenghui Yu wrote: > In current logic, its_parse_indirect_baser() will be invoked twice > when allocating Device tables. Add a *break* to omit the unnecessary > and annoying (might be ...) invoking. > Forgot to add: Fixes: 32bd44dc19de ("irqchip/gic-v3-its: Fix the incorrect parsing of VCPU table size") > Signed-off-by: Zenghui Yu > --- > drivers/irqchip/irq-gic-v3-its.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c > index db20e99..9f529a6 100644 > --- a/drivers/irqchip/irq-gic-v3-its.c > +++ b/drivers/irqchip/irq-gic-v3-its.c > @@ -1946,6 +1946,8 @@ static int its_alloc_tables(struct its_node *its) > indirect = its_parse_indirect_baser(its, baser, > psz, &order, > its->device_ids); > + break; > + > case GITS_BASER_TYPE_VCPU: > indirect = its_parse_indirect_baser(its, baser, > psz, &order, > Thanks, Zenghui