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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 3CF09ECE561 for ; Mon, 24 Sep 2018 10:06:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E05B22087A for ; Mon, 24 Sep 2018 10:06:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ltU6vDpx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E05B22087A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728470AbeIXQHt (ORCPT ); Mon, 24 Sep 2018 12:07:49 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:34435 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728388AbeIXQHs (ORCPT ); Mon, 24 Sep 2018 12:07:48 -0400 Received: by mail-wr1-f68.google.com with SMTP id t15so11129522wrx.1; Mon, 24 Sep 2018 03:06:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=qgjouWBGTkziOpUXeosLNM5Ys1sWyrnxWjJRnmH8i6A=; b=ltU6vDpxrb7GIDciVcy3+iff7fidvlIVaMvVp73ebLVBNA1w0Mwnm+0mC39vqsMrxr JNqdpB0uiGTegADDOMaYpY0zSjps+M0GeuOF3hDkuW5UIEgNNkM1naQ/TRLeHAsVkGrB /6SfvbU0X0iM+zS2BAvEQqYdTLjT/7kx7VLW6Irdvr0fLEZDq+yhMN5J3pFBZCUGu8Nz Am2ct81kI2GM/Ap8BYGm5WNEI5xTejHUKvRQsJLwuosg0YODVFdPFQe9pQ/2DTScRaat RCN+irnGZ3pvr8yzgPCSVCOzU5q30TisdtDFKpd19eVKioCo6TfSF+wgJuOpfDQUYmVz GQAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=qgjouWBGTkziOpUXeosLNM5Ys1sWyrnxWjJRnmH8i6A=; b=oNKu94cZI4vZhj5lCIoGw15+/vzZ5DQbtkPKtrBceb81NdRoEK4CDTsHAWtP5Tuv2C UafzlEzY1AVtbXwpgqdm/ElFFkDwMwY2y6tbnucTlU9XhIlF7yI0YJ4dPggoQz3zIDP0 btbXBNbuzslwImTGg3lYmGrBbbrFM3y5B6iCt/s3vRDgfnkKmOLSG+kwvYa7dZ7GfaAF LwtNqQ6w5PYnI1RcinVs+LFGRXLZHIOKHiDsjy+psHfhrJvjNtnB3mQ95Lmd2+9gcEy5 R1w+bQnH7xpfbfc5LkdV/Yjor6jJktkYDKCKlz7rK0FXgNNaA32OacpJOVglU71nscV1 XxTw== X-Gm-Message-State: ABuFfojHVpCLNA7BHdrl22ax8XMYcrRtK3U1UxWrdOGLnhlomVHYGuw5 +IfJGagHElT2u1Xzc6RTon8= X-Google-Smtp-Source: ACcGV63Qh6irEEE6ClufAyhhgGxmxjh6m1YolnnXmTBXcT3HVPzuvRUwxDSuqY77QRFIHusUpS6T+A== X-Received: by 2002:adf:bf11:: with SMTP id p17-v6mr3797572wrh.235.1537783589750; Mon, 24 Sep 2018 03:06:29 -0700 (PDT) Received: from localhost (pD9E515A3.dip0.t-ipconnect.de. [217.229.21.163]) by smtp.gmail.com with ESMTPSA id f15-v6sm10143971wrs.36.2018.09.24.03.06.28 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 24 Sep 2018 03:06:29 -0700 (PDT) Date: Mon, 24 Sep 2018 12:06:28 +0200 From: Thierry Reding To: Dmitry Osipenko Cc: Jonathan Hunter , Joerg Roedel , Rob Herring , Robin Murphy , iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 04/20] iommu: Introduce iotlb_sync_map callback Message-ID: <20180924100628.GF21032@ulmo> References: <20180924004153.8232-1-digetx@gmail.com> <20180924004153.8232-5-digetx@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xkXJwpr35CY/Lc3I" Content-Disposition: inline In-Reply-To: <20180924004153.8232-5-digetx@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --xkXJwpr35CY/Lc3I Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 24, 2018 at 03:41:37AM +0300, Dmitry Osipenko wrote: > Introduce iotlb_sync_map() callback that is invoked in the end of > iommu_map(). This new callback allows IOMMU drivers to avoid syncing > after mapping of each contiguous chunk and sync only when the whole > mapping is completed, optimizing performance of the mapping operation. >=20 > Signed-off-by: Dmitry Osipenko > Reviewed-by: Robin Murphy > --- > drivers/iommu/iommu.c | 8 ++++++-- > include/linux/iommu.h | 1 + > 2 files changed, 7 insertions(+), 2 deletions(-) Reviewed-by: Thierry Reding --xkXJwpr35CY/Lc3I Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAluotyQACgkQ3SOs138+ s6Hu5Q/9Fao/qs6ZsPgCpKGQ5rCOFkk1DdOsQluo4ar889JUxblUq/sDiCIny3Cp RVoi8a9nZldE1uXIhUkJ8LMer8qZYNNfqTVs2VkB6NSBLJBuxnt1eZTK3mmSXPnj pWvuL5tBIVQmYQyp3qkeYdHkSFAoG7d1vq+7IgSduEBfCvo0Zw6b+5eyuAgQxVKc ibR+KRfWRK+YGrt28NkjfXrmEy5nCbqvxa3exs/LnGohehpRbl+7fPLSkEGMC/lW GuESgYxfBG67Zo1MDDFPiCp2JL5pqfgXE5dI4vstx68oPEULfdlaxfzHTTck+OBx uTRt5kImF4d9a7oD0XUplbo01bP7KEnBdDeEw2vNHXGjvbmqYxYqvaAb7I7iKbWV V5dXp3H8yG/o+5e8m9fh8NrLUmAMfu+LOGMGksZirtWLnLh6JfjqmM+zWgW/nHUv LjfEJCYH7GzH31BPPmI8e3PUmQByo1RZx+hUWaPyLdAmXsVCdlqI8BGeO8a82Td4 4D1M6Gm2qguonHPQiJbYVzTff7PC4Axonb7JtYeDZlSjcQKjWZjAvUrQ4OQvxJa7 k1Al+5C2Wau4UwsKoQECtYolEdEhCcSUFTNnhonUd8epAPB34z7RuIyo6jof6Bxm Sgh49Of1Rimye14XhJ7wFhjMLFgVFOElRM/5mbVoNbXitp6H8Wc= =Y+NX -----END PGP SIGNATURE----- --xkXJwpr35CY/Lc3I--