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 145D8EB64DD for ; Thu, 20 Jul 2023 19:27:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To: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=p1EDBN8d9zzt0lf+UU3Na3DMMIt8H4CsKEWzDQacEIc=; b=PHOCWrMIDD79ijmwDgJCkSFi9v LJSORniq3uJrJaBOg/NOGPI85yEpkKu0V/qSkjrr2zcw+dL/K0nHQYYcsY0HtCmBI4uHTj3tFVx3F KQ4wJ+ypZl7H3RlS/9FInL4Kxi9eHMDDG33ztsKTjinJQv0J0Z+Y6wfIvR8kW4OJREUTr7vp6fV7L ONK/RdqnTyh6QdxsaOhugUcXTnviWVFAaPqDp/diXCvTq5gXRt4GXxo+ztZcRURGxNhC14lJXpS8n 9HRJw82NRD8mRLexXBVPQA+LEuAHA/NtZnJfGRg1gs7f32sdbFTOvpkGP0MnwfTH8D+KmsjMCAVn7 4yE7NqXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qMZIw-00C3Yv-1l; Thu, 20 Jul 2023 19:27:14 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qMZIt-00C3YJ-2F for linux-riscv@lists.infradead.org; Thu, 20 Jul 2023 19:27:12 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D952A61BAF; Thu, 20 Jul 2023 19:27:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E19AC433C7; Thu, 20 Jul 2023 19:27:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689881230; bh=CJRKA7PTC+3zbSnVoUQ2xy4P4+PLWvmEQShLI/rDtV4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=N8yO9TLNDF7CNnC7ooBnQhdcZv7jECBIpBkg8dGXL2dbZrB7KLTVSRNP8WKEqPWA/ btuCB0gldrpM6+6synKmKyI5vLbRyF2EMIr0/YGZvqm0DfAQxroX35xShVf0Op1AXA mP/oe9dgXoobZy4Xsb9glE0/4a8EOOa35Sxqk2mVXXo+v2Q0ZVxSiEBuqCGjk9UaVR f4Wao2vkABbBWrVlNUQSlcuTDKku1qZPP6VdbJFlzKJyzcU2lvQaSpvPQvnS+xdVm+ i0VydMJCcjjyBrlQ6LV5GU/1l5O4W50NQ/KhD/WpPCAKdoRRQwDmuD6faZ03dXgN1p TDEF3HyOesZkg== Date: Thu, 20 Jul 2023 20:27:05 +0100 From: Conor Dooley To: Tomasz Jeznach Cc: Joerg Roedel , Will Deacon , Robin Murphy , Paul Walmsley , Anup Patel , Albert Ou , linux@rivosinc.com, linux-kernel@vger.kernel.org, Sebastien Boeuf , iommu@lists.linux.dev, Palmer Dabbelt , Nick Kossifidis , linux-riscv@lists.infradead.org Subject: Re: [PATCH 01/11] RISC-V: drivers/iommu: Add RISC-V IOMMU - Ziommu support. Message-ID: <20230720-charter-lustrous-061e7550ce7c@spud> References: <20230719-confront-grass-6d0eb304b94f@spud> MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230720_122711_777152_EB9FC09F X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0958435259242441523==" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org --===============0958435259242441523== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uFR2qPiOGZh5u8nm" Content-Disposition: inline --uFR2qPiOGZh5u8nm Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 19, 2023 at 02:43:51PM -0700, Tomasz Jeznach wrote: > On Wed, Jul 19, 2023 at 1:50=E2=80=AFPM Conor Dooley w= rote: > > Anyway, what I wanted to ask was whether it was valid to use the IOMMU > > in a system if Ziommu is not present in whatever the ISA extension > > communication mechanism is? Eg, riscv,isa or the ISA string property in > > the ACPI tables. > > >=20 > Yes, this has been pointed out to me already. As far as I can recall, > there was a discussion > at some point to introduce those as Ziommu extensions, later agreeing > not to call IOMMU > using ISA string conventions. Will remove remaining occurrences of > Ziommu from the series. Right, thanks for clearing that up. I got a bit confused :) --uFR2qPiOGZh5u8nm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZLmKiQAKCRB4tDGHoIJi 0nKvAQCY4Qfl5o53tpBHorzaEf49d9BTMt+qWrTdweBVlIvXWwEAxSbe0KPPgv4y zC/FdQ3GvKUVGBGv2E80c4D/boCv1gc= =X54m -----END PGP SIGNATURE----- --uFR2qPiOGZh5u8nm-- --===============0958435259242441523== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv --===============0958435259242441523==--