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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 69B91C41514 for ; Wed, 21 Aug 2019 18:44:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 39FF42339E for ; Wed, 21 Aug 2019 18:44:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DFxyNlWc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 39FF42339E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VAc6V9bxd2WluB4ZCTdw3TTvZJCV69djL7L1dJgW178=; b=DFxyNlWcXXMhwbbApMuvR6wlD nMsUqRqjR18jVKEmIWSII57hoHED+gO5yijuYY7oUVAI4ESwUnvFfB1A6NRxzAQhLS1gM/sKx4Xez 5adFifKBDb63xAImdBCJV2gEtoe+xlHsewgD9ysdEpLtgcoAkB+SvalqZugUiCqmyjSXGfMx8zNK6 B8npbuQv3qOWVui4Vz0RYwW3qCKRe2LxkFhb25aDgZamIlqLkVKJum1nrhZ6MEVc0t6bx6BIEbaE9 bXuryeJxi8wbuRAgYe+IE0kpDQzDpoTPB71jy/Uax/Du1dQW8KU8xphqbO9bT5o/V+1sKrGh5EnTN sqARTR7hg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i0VaO-0006FC-CF; Wed, 21 Aug 2019 18:43:56 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i0VaK-0006E6-7a for linux-arm-kernel@lists.infradead.org; Wed, 21 Aug 2019 18:43:53 +0000 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 5CF5123C61D29CF5A623; Thu, 22 Aug 2019 02:43:47 +0800 (CST) Received: from [127.0.0.1] (10.184.12.158) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.439.0; Thu, 22 Aug 2019 02:43:40 +0800 Subject: Re: [PATCH v2 05/12] irqchip/gic: Prepare for more than 16 PPIs To: Marc Zyngier , Thomas Gleixner , "Jason Cooper" , Julien Thierry , Rob Herring References: <20190806100121.240767-1-maz@kernel.org> <20190806100121.240767-6-maz@kernel.org> From: Zenghui Yu Message-ID: Date: Thu, 22 Aug 2019 02:40:18 +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: <20190806100121.240767-6-maz@kernel.org> Content-Language: en-US X-Originating-IP: [10.184.12.158] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190821_114352_450343_71EE6600 X-CRM114-Status: UNSURE ( 8.65 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lokesh Vutla , John Garry , linux-kernel@vger.kernel.org, Shameerali Kolothum Thodi , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2019/8/6 18:01, Marc Zyngier wrote: > GICv3.1 allows up to 80 PPIs (16 legaci PPIs and 64 Extended PPIs), ^^^^^^ legacy? Zenghui > meaning we can't just leave the old 16 hardcoded everywhere. > > We also need to add the infrastructure to discover the number of PPIs > on a per redistributor basis, although we still pretend there is only > 16 of them for now. > > No functional change. > > Signed-off-by: Marc Zyngier _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel