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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 367C9C77B7F for ; Fri, 12 May 2023 11:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:CC:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NxJCDzIA48b//fv9e6rdygKudsP+QYXovUJ5vLhRsUU=; b=4Fq7+CgTTAyq6RjvSz7Uj3qgIN RMdKNpb3UWNSt98NXqaR7+i6ClpoKrxCRe7PjS+HpR301Y750ldQN4D96H1WiatlPk0oEbvCF6/TG +DTnnJ9oAEcd0MXwWmzGhGVvLirU8P24oKGttjJn6smWqxujgC+BxP08yn6+InNDbpsmFgrV+Qqbl 1cq0amxhikrrcC3sWLr5fHb85JE4cyh3BBhhnz1NKlSDZirjFNES8G7KbMoGuVySKU5+dey6+fh+l cdQY9PZnP7EjvByLy940veqocDaBW7pbPJlB3+Ms1LFJ5NKyPKtVMvs5vN8Bg9da9UTplUXBAjXWE Nt1cH5Lw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pxQeu-00Bjom-0N; Fri, 12 May 2023 11:10:00 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pxQeq-00BjnZ-2f; Fri, 12 May 2023 11:09:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1683889796; x=1715425796; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=NxJCDzIA48b//fv9e6rdygKudsP+QYXovUJ5vLhRsUU=; b=tp/FYrkJIQr6E2mJwzKGXez+blko+mdDWnWWDMc/Z27KLQyNWN1TleRy EMxlQG/AWhpwms0zWxMXhhoxgxiyYzLybNFK4xU/Ok0W62bhvvG5VtQPc nVwdNP57yu7GY6ZGvMyo4H2qd8YG3WKv47HrbGU6+vood7RFrB8HKJ34b ktlo0cfRNOg6E5baTvuCd1FLS5w5eWdnboQrzJuTspsL10bvSEnVxctgR 8uMvTSPcsM68zavVr0UXA9KeVUeS1CMGBE2smYk4qCs+SSO9ckSSLe4Cg FBzmpCOXZd/GzbSER5yevPai44CVh2dI9/9x21/xxfIAOSHAoDmofxB+3 A==; X-IronPort-AV: E=Sophos;i="5.99,269,1677567600"; d="asc'?scan'208";a="213036513" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 12 May 2023 04:09:52 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 12 May 2023 04:09:51 -0700 Received: from wendy (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21 via Frontend Transport; Fri, 12 May 2023 04:09:47 -0700 Date: Fri, 12 May 2023 12:09:27 +0100 From: Conor Dooley To: Yi-De Wu CC: Yingshiuan Pan , Ze-Yu Wang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , Catalin Marinas , Will Deacon , Arnd Bergmann , Matthias Brugger , AngeloGioacchino Del Regno , , , , , , , Trilok Soni , David Bradil , Jade Shih , Miles Chen , Ivan Tseng , My Chuang , Shawn Hsiao , PeiLun Suei , Liju Chen Subject: Re: [PATCH v3 2/7] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor Message-ID: <20230512-kudos-stunt-489ee651bdd8@wendy> References: <20230512080405.12043-1-yi-de.wu@mediatek.com> <20230512080405.12043-3-yi-de.wu@mediatek.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jm8a6vav6fCrVMuQ" Content-Disposition: inline In-Reply-To: <20230512080405.12043-3-yi-de.wu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230512_040956_871577_5A2CC118 X-CRM114-Status: GOOD ( 16.44 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org --jm8a6vav6fCrVMuQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 12, 2023 at 04:04:00PM +0800, Yi-De Wu wrote: > From: "Yingshiuan Pan" >=20 > Add documentation for GenieZone(gzvm) node. This node informs gzvm > driver to start probing if geniezone hypervisor is available and > able to do virtual machine operations. Propagated from v2: > > Why can't the driver just try and do virtual machine operations to > > see > > if the hypervisor is there? IOW, make your software interfaces > > discoverable. DT is for non-discoverable hardware. >=20 > Can do, our hypervisor is discoverable through invoking probing > hypercall, and we use the device tree to prevent unnecessary module > loading on all systems. Rob is out of office at the moment, but that appears to be a request to drop the use of devicetree entirely. Mainly re-posting so that that conversation appears on the latest version of the patchset, given you only replied to Rob today. Thanks, Conor. --jm8a6vav6fCrVMuQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZF4eZwAKCRB4tDGHoIJi 0heIAQCuxzD4xO33tzAFrZou3AdawoxEN1YCIboEGZHW1IgEtQEA26XugE38j868 giM/FmO9kzgghTusFmhvQtjaEFFiPww= =t/9L -----END PGP SIGNATURE----- --jm8a6vav6fCrVMuQ--