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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 01BA5C433E0 for ; Thu, 2 Jul 2020 13:03:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C6F062088E for ; Thu, 2 Jul 2020 13:03:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593694999; bh=DU/qEXJhyo5s+7zwwietRnCmtfRVZjPerieDNN6bTyM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=qIlnQPTUamYIapvFw+I3qhosWvTnzrEJllon8sv0ay3JT91zODG2B4ig10ILZu1ck pJWoO+f4cfRIIiynzXRNYoAdubzuB5TkD1kW+aCHyC54VcFIHg6SPQ4vWUJ6tAFKew wN5h9BvuS/K1GWKZJPfc9BJa0Fbtf5/yawzcak3Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729035AbgGBNDS (ORCPT ); Thu, 2 Jul 2020 09:03:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:54852 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726343AbgGBNDS (ORCPT ); Thu, 2 Jul 2020 09:03:18 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D492220772; Thu, 2 Jul 2020 13:03:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593694998; bh=DU/qEXJhyo5s+7zwwietRnCmtfRVZjPerieDNN6bTyM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=bb02j41HDWRtcMeJGS5a/HmXQ23YjPopSGVn5Fy7ifGkuKU7hIY3kMM/XusJII12W Qqptkx7RxdiW6bkN5AuaLpY2SK+5RBPUXi1KWdbe5MQ588jxSdV3Xp/0xtqtYgy4u9 zLTqhAs1lybS/8Simh/QLfLI7YZkb7+9nkhv0tls= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jqys0-008PHk-Es; Thu, 02 Jul 2020 14:03:16 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 02 Jul 2020 14:03:16 +0100 From: Marc Zyngier To: Auger Eric Cc: Jingyi Wang , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: Re: [kvm-unit-tests PATCH v2 3/8] arm64: microbench: gic: Add gicv4.1 support for ipi latency test. In-Reply-To: References: <20200702030132.20252-1-wangjingyi11@huawei.com> <20200702030132.20252-4-wangjingyi11@huawei.com> User-Agent: Roundcube Webmail/1.4.5 Message-ID: <688823451d3d4a0cb4d346bb7f7b99aa@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: eric.auger@redhat.com, wangjingyi11@huawei.com, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Eric, On 2020-07-02 13:36, Auger Eric wrote: > Hi Marc, > > On 7/2/20 10:22 AM, Marc Zyngier wrote: >> On 2020-07-02 04:01, Jingyi Wang wrote: >>> If gicv4.1(sgi hardware injection) supported, we test ipi injection >>> via hw/sw way separately. >> >> nit: active-less SGIs are not strictly a feature of GICv4.1 (you could >> imagine a GIC emulation offering the same thing). Furthermore, GICv4.1 >> isn't as such visible to the guest itself (it only sees a GICv3). > > By the way, I have just downloaded the latest GIC spec from the ARM > portal and I still do not find the GICD_CTLR_ENABLE_G1A, > GICD_CTLR_nASSGIreq and GICD_TYPER2_nASSGIcap. Do I miss something? The latest spec still is the old one. There is a *confidential* erratum to the spec that adds the missing bits, but nothing public. You unfortunately will have to take my word for it. M. -- Jazz is not dead. It just smells funny...