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=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 D36F7C33C8C for ; Mon, 6 Jan 2020 23:47:03 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 8DB922072A for ; Mon, 6 Jan 2020 23:47:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8DB922072A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47sBxd3xKbzDqNF for ; Tue, 7 Jan 2020 10:47:01 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (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 lists.ozlabs.org (Postfix) with ESMTPS id 47sBdp5BX5zDqGZ for ; Tue, 7 Jan 2020 10:33:18 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 47sBdp41NSz9sRf; Tue, 7 Jan 2020 10:33:18 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: d862b44133b7a1d7de25288e09eabf4df415e971 In-Reply-To: <20191216041924.42318-2-aik@ozlabs.ru> To: Alexey Kardashevskiy , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: [PATCH kernel v2 1/4] Revert "powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests" Message-Id: <47sBdp41NSz9sRf@ozlabs.org> Date: Tue, 7 Jan 2020 10:33:18 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , Michael Anderson , Ram Pai , kvm-ppc@vger.kernel.org, Thiago Jung Bauermann , David Gibson Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, 2019-12-16 at 04:19:21 UTC, Alexey Kardashevskiy wrote: > From: Ram Pai > > This reverts commit edea902c1c1efb855f77e041f9daf1abe7a9768a. > > At the time the change allowed direct DMA ops for secure VMs; however > since then we switched on using SWIOTLB backed with IOMMU (direct mapping) > and to make this work, we need dma_iommu_ops which handles all cases > including TCE mapping I/O pages in the presence of an IOMMU. > > Fixes: edea902c1c1e ("powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests") > Signed-off-by: Ram Pai > [aik: added "revert" and "fixes:"] > Signed-off-by: Alexey Kardashevskiy Series applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/d862b44133b7a1d7de25288e09eabf4df415e971 cheers