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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 6D415C2D0D4 for ; Mon, 9 Dec 2019 22:54:20 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 4F7052077B for ; Mon, 9 Dec 2019 22:54:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F7052077B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 928406E5B2; Mon, 9 Dec 2019 22:54:08 +0000 (UTC) Received: from hqnvemgate24.nvidia.com (hqnvemgate24.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 47A786E5A0 for ; Mon, 9 Dec 2019 22:54:03 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 09 Dec 2019 14:53:42 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 09 Dec 2019 14:54:02 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 09 Dec 2019 14:54:02 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 9 Dec 2019 22:53:59 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 9 Dec 2019 22:53:57 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 09 Dec 2019 14:53:57 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v8 09/26] IB/umem: use get_user_pages_fast() to pin DMA pages Date: Mon, 9 Dec 2019 14:53:27 -0800 Message-ID: <20191209225344.99740-10-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191209225344.99740-1-jhubbard@nvidia.com> References: <20191209225344.99740-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1575932022; bh=KTo+Vd9z7NzEKl8A1/yToX+DbFwwWmKCvDQHXC5NnHk=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Transfer-Encoding:Content-Type; b=I/a66LZB+BWjjEwaZhCTiAATPaKcaGOYfmxTxoglFKu01vsrHLxJ6Ocms1ZpOKJ13 LDzbNCogDa0wWDiois2S1i8eV5jG6NwZ2mCwtsgqFYBoWJD74NSMg3b5BcLbKQc4td 8sB9aUXgP+XrAcw+9CdXONTKdTy10gL/UdY+6R7Z2nTGWCE1ff37MEfm4AG5B6vZDR s/sA43qOwfAqtcnItvNy+tDKr/Mop2nhKo+0mAM+JqKgBRR/AbZM7H52crXltqXn3m AcXzLxvPUcxO0Ag1O/S6nUv3oKGi3deUwMVzzxIyKkdYdV6BrZSj/Ndpc0uOcxqFzJ pee3JlzYL13IQ== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Christoph Hellwig , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, Leon Romanovsky , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams , Mauro Carvalho Chehab , Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" , Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" QW5kIGdldCByaWQgb2YgdGhlIG1tYXBfc2VtIGNhbGxzLCBhcyBwYXJ0IG9mIHRoYXQuIE5vdGUK dGhhdCBnZXRfdXNlcl9wYWdlc19mYXN0KCkgd2lsbCwgaWYgbmVjZXNzYXJ5LCBmYWxsIGJhY2sg dG8KX19ndXBfbG9uZ3Rlcm1fdW5sb2NrZWQoKSwgd2hpY2ggdGFrZXMgdGhlIG1tYXBfc2VtIGFz IG5lZWRlZC4KClJldmlld2VkLWJ5OiBMZW9uIFJvbWFub3Zza3kgPGxlb25yb0BtZWxsYW5veC5j b20+ClJldmlld2VkLWJ5OiBDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KUmV2aWV3ZWQt Ynk6IEphbiBLYXJhIDxqYWNrQHN1c2UuY3o+ClJldmlld2VkLWJ5OiBKYXNvbiBHdW50aG9ycGUg PGpnZ0BtZWxsYW5veC5jb20+ClJldmlld2VkLWJ5OiBJcmEgV2VpbnkgPGlyYS53ZWlueUBpbnRl bC5jb20+ClNpZ25lZC1vZmYtYnk6IEpvaG4gSHViYmFyZCA8amh1YmJhcmRAbnZpZGlhLmNvbT4K LS0tCiBkcml2ZXJzL2luZmluaWJhbmQvY29yZS91bWVtLmMgfCAxNyArKysrKystLS0tLS0tLS0t LQogMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCgpkaWZm IC0tZ2l0IGEvZHJpdmVycy9pbmZpbmliYW5kL2NvcmUvdW1lbS5jIGIvZHJpdmVycy9pbmZpbmli YW5kL2NvcmUvdW1lbS5jCmluZGV4IDdhM2I5OTU5N2VhZC4uMjE0ZTg3YWE2MDlkIDEwMDY0NAot LS0gYS9kcml2ZXJzL2luZmluaWJhbmQvY29yZS91bWVtLmMKKysrIGIvZHJpdmVycy9pbmZpbmli YW5kL2NvcmUvdW1lbS5jCkBAIC0yNjYsMTYgKzI2NiwxMyBAQCBzdHJ1Y3QgaWJfdW1lbSAqaWJf dW1lbV9nZXQoc3RydWN0IGliX3VkYXRhICp1ZGF0YSwgdW5zaWduZWQgbG9uZyBhZGRyLAogCXNn ID0gdW1lbS0+c2dfaGVhZC5zZ2w7CiAKIAl3aGlsZSAobnBhZ2VzKSB7Ci0JCWRvd25fcmVhZCgm bW0tPm1tYXBfc2VtKTsKLQkJcmV0ID0gZ2V0X3VzZXJfcGFnZXMoY3VyX2Jhc2UsCi0JCQkJICAg ICBtaW5fdCh1bnNpZ25lZCBsb25nLCBucGFnZXMsCi0JCQkJCSAgIFBBR0VfU0laRSAvIHNpemVv ZiAoc3RydWN0IHBhZ2UgKikpLAotCQkJCSAgICAgZ3VwX2ZsYWdzIHwgRk9MTF9MT05HVEVSTSwK LQkJCQkgICAgIHBhZ2VfbGlzdCwgTlVMTCk7Ci0JCWlmIChyZXQgPCAwKSB7Ci0JCQl1cF9yZWFk KCZtbS0+bW1hcF9zZW0pOworCQlyZXQgPSBnZXRfdXNlcl9wYWdlc19mYXN0KGN1cl9iYXNlLAor CQkJCQkgIG1pbl90KHVuc2lnbmVkIGxvbmcsIG5wYWdlcywKKwkJCQkJCVBBR0VfU0laRSAvCisJ CQkJCQlzaXplb2Yoc3RydWN0IHBhZ2UgKikpLAorCQkJCQkgIGd1cF9mbGFncyB8IEZPTExfTE9O R1RFUk0sIHBhZ2VfbGlzdCk7CisJCWlmIChyZXQgPCAwKQogCQkJZ290byB1bWVtX3JlbGVhc2U7 Ci0JCX0KIAogCQljdXJfYmFzZSArPSByZXQgKiBQQUdFX1NJWkU7CiAJCW5wYWdlcyAgIC09IHJl dDsKQEAgLTI4Myw4ICsyODAsNiBAQCBzdHJ1Y3QgaWJfdW1lbSAqaWJfdW1lbV9nZXQoc3RydWN0 IGliX3VkYXRhICp1ZGF0YSwgdW5zaWduZWQgbG9uZyBhZGRyLAogCQlzZyA9IGliX3VtZW1fYWRk X3NnX3RhYmxlKHNnLCBwYWdlX2xpc3QsIHJldCwKIAkJCWRtYV9nZXRfbWF4X3NlZ19zaXplKGNv bnRleHQtPmRldmljZS0+ZG1hX2RldmljZSksCiAJCQkmdW1lbS0+c2dfbmVudHMpOwotCi0JCXVw X3JlYWQoJm1tLT5tbWFwX3NlbSk7CiAJfQogCiAJc2dfbWFya19lbmQoc2cpOwotLSAKMi4yNC4w CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2 ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=