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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 A5124C33C99 for ; Wed, 8 Jan 2020 02:18:50 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 71972206DB for ; Wed, 8 Jan 2020 02:18:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ozlabs.org header.i=@ozlabs.org header.b="uwsoQ9Od" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71972206DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ozlabs.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:32798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ip0vp-0008AH-II for qemu-devel@archiver.kernel.org; Tue, 07 Jan 2020 21:18:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52515) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ip0ux-00075o-TD for qemu-devel@nongnu.org; Tue, 07 Jan 2020 21:17:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ip0uw-0000AZ-Rz for qemu-devel@nongnu.org; Tue, 07 Jan 2020 21:17:55 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:45387 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ip0uw-0008ST-5V; Tue, 07 Jan 2020 21:17:54 -0500 Received: by ozlabs.org (Postfix, from userid 1003) id 47stF53P4rz9sPn; Wed, 8 Jan 2020 13:17:45 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1578449865; bh=0JRv+g9dydwa4ewH2+jP25s6rxhmacbE6e5QpltlZf0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uwsoQ9OdD6eiq7m7iGypZ4QHhcOpo/zWowFrnNcBU8Wfl9u2zQqFkeoc8u/7zKfJd B5j0lbaNGSeGgbf2aBabkCRGwf50ABIduIGmrMOZO9LJ5x2CquiBHOMEbj+RkH6hEx Zc+SokDB5TOxa7HUE4SuNEL0AerTSwVLB9sESHbASSE4EmFgB6ZMJa02gsywbXxuR+ 2ocu+bjyiLS5ugt0ibtVKYkZDhftPMs3NFnHsn1hUI50SPAoKio+AZ4mKXJxGpEQ1J TXtB+tnF47vgY8AwsbB+5GUvjKorRWdb2jaVUffTm4LtLopXtLpe3AqkhRMfrYorSH lXAtMGuDCh/Mg== Date: Wed, 8 Jan 2020 13:17:37 +1100 From: Paul Mackerras To: Greg Kurz Subject: Re: [PATCH v2 02/10] ppc: Remove stub of PPC970 HID4 implementation Message-ID: <20200108021737.GA16515@oak.ozlabs.ibm.com> References: <20200107044827.471355-1-david@gibson.dropbear.id.au> <20200107044827.471355-3-david@gibson.dropbear.id.au> <20200107183215.09ce18c6@bahia.lan> <20200107183638.1c84f172@bahia.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200107183638.1c84f172@bahia.lan> User-Agent: Mutt/1.10.1 (2018-07-13) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, clg@kaod.org, philmd@redhat.com, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Jan 07, 2020 at 06:36:38PM +0100, Greg Kurz wrote: > On Tue, 7 Jan 2020 18:32:15 +0100 > Greg Kurz wrote: > > > On Tue, 7 Jan 2020 15:48:19 +1100 > > David Gibson wrote: > > > > > The PowerPC 970 CPU was a cut-down POWER4, which had hypervisor capability. > > > However, it can be (and often was) strapped into "Apple mode", where the > > > hypervisor capabilities were disabled (essentially putting it always in > > > hypervisor mode). > > Isn't it supervisor mode instead of hypervisor mode ? No, it's hypervisor mode. MSR[HV] always reads as 1. Paul.