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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 64158C433DF for ; Thu, 2 Jul 2020 12:36:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3248E20885 for ; Thu, 2 Jul 2020 12:36:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="dniBuTXP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729036AbgGBMgh (ORCPT ); Thu, 2 Jul 2020 08:36:37 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:46238 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728861AbgGBMgh (ORCPT ); Thu, 2 Jul 2020 08:36:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593693395; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eu+kJ7Ihi6JK3py5LXu63NgxsOOft47n07UKf0C3e2o=; b=dniBuTXP1Xqy4cBMYX0ew/P6A9pEXWT0HkKWRnhZJ4+xJLLqJTuLaOjxpy//QkpAMbqgxV NbdsFBtlbOAx4rgPCWsPUlDMByM09CKxxDn6Bo52VVSrl5wpIJkDkK9/dIj3beRLw8n7LS dszV5pZjMipXu9uWjaL1iIG3elcX0L4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-495-e9ZQNIuSODy3s9yfzPHlpA-1; Thu, 02 Jul 2020 08:36:34 -0400 X-MC-Unique: e9ZQNIuSODy3s9yfzPHlpA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C90BB107ACF8; Thu, 2 Jul 2020 12:36:32 +0000 (UTC) Received: from [10.36.112.70] (ovpn-112-70.ams2.redhat.com [10.36.112.70]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 983D773FD1; Thu, 2 Jul 2020 12:36:31 +0000 (UTC) Subject: Re: [kvm-unit-tests PATCH v2 3/8] arm64: microbench: gic: Add gicv4.1 support for ipi latency test. To: Marc Zyngier , Jingyi Wang Cc: kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org References: <20200702030132.20252-1-wangjingyi11@huawei.com> <20200702030132.20252-4-wangjingyi11@huawei.com> From: Auger Eric Message-ID: Date: Thu, 2 Jul 2020 14:36:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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? Thanks Eric > > Thanks, > >         M.