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 92B17C2D0CA for ; Mon, 9 Dec 2019 22:54:12 +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 6AEAD20721 for ; Mon, 9 Dec 2019 22:54:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6AEAD20721 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 43C386E5AE; Mon, 9 Dec 2019 22:54:05 +0000 (UTC) Received: from hqnvemgate25.nvidia.com (hqnvemgate25.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id DBF6B6E5A9 for ; Mon, 9 Dec 2019 22:54:00 +0000 (UTC) Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 09 Dec 2019 14:53:54 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 09 Dec 2019 14:54:00 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 09 Dec 2019 14:54:00 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL107.nvidia.com (172.20.187.13) 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 22:53:59 +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 14:53:59 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v8 11/26] goldish_pipe: convert to pin_user_pages() and put_user_page() Date: Mon, 9 Dec 2019 14:53:29 -0800 Message-ID: <20191209225344.99740-12-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=1575932034; bh=TksWTeRqb2e65v/kOUv6DZsbenXYEnzjjPNzfVXQEtw=; 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=UcYzdLzwymLV5Q9eNb1godxX+IYCxmNrBl5d0tWUa7scpysWqSwUbqg/CUOfn3pFH y0Boj/PN8WnIzT8heYvOoGdHrmv9kxQ8hhZfxv3pE10Ga2//YxXNiQhe/1LXXkHeiO K/uljJvildkTJmq/4WOP9jWwdp3GqmXghcFoCBKym9N6t8qQdSvntKXhsh+OicT6Jh svE/uWvuynLaCF0UuN4Iaip/UGkTTrT4XR6hMyMASQW7tSes9wzPlJWl3kzGz5gaPx Qe+qEO0kmEci9mTWMPxftwNmBECXbm9uZqRZ4kZ0RkheTbFQbE6Y+GjdwNe483UiPM w8ZpFynYU0oFA== 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 , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , 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, =?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" MS4gQ2FsbCB0aGUgbmV3IGdsb2JhbCBwaW5fdXNlcl9wYWdlc19mYXN0KCksIGZyb20gcGluX2dv bGRmaXNoX3BhZ2VzKCkuCgoyLiBBcyByZXF1aXJlZCBieSBwaW5fdXNlcl9wYWdlcygpLCByZWxl YXNlIHRoZXNlIHBhZ2VzIHZpYQpwdXRfdXNlcl9wYWdlKCkuIEluIHRoaXMgY2FzZSwgZG8gc28g dmlhIHB1dF91c2VyX3BhZ2VzX2RpcnR5X2xvY2soKS4KClRoYXQgaGFzIHRoZSBzaWRlIGVmZmVj dCBvZiBjYWxsaW5nIHNldF9wYWdlX2RpcnR5X2xvY2soKSwgaW5zdGVhZApvZiBzZXRfcGFnZV9k aXJ0eSgpLiBUaGlzIGlzIHByb2JhYmx5IG1vcmUgYWNjdXJhdGUuCgpBcyBDaHJpc3RvcGggSGVs bHdpZyBwdXQgaXQsICJzZXRfcGFnZV9kaXJ0eSgpIGlzIG9ubHkgc2FmZSBpZiB3ZSBhcmUKZGVh bGluZyB3aXRoIGEgZmlsZSBiYWNrZWQgcGFnZSB3aGVyZSB3ZSBoYXZlIHJlZmVyZW5jZSBvbiB0 aGUgaW5vZGUgaXQKaGFuZ3Mgb2ZmLiIgWzFdCgpBbm90aGVyIHNpZGUgZWZmZWN0IGlzIHRoYXQg dGhlIHJlbGVhc2UgY29kZSBpcyBzaW1wbGlmaWVkIGJlY2F1c2UKdGhlIHBhZ2VbXSBsb29wIGlz IG5vdyBpbiBndXAuYyBpbnN0ZWFkIG9mIGhlcmUsIHNvIGp1c3QgZGVsZXRlIHRoZQpsb2NhbCBy ZWxlYXNlX3VzZXJfcGFnZXMoKSBlbnRpcmVseSwgYW5kIGNhbGwKcHV0X3VzZXJfcGFnZXNfZGly dHlfbG9jaygpIGRpcmVjdGx5LCBpbnN0ZWFkLgoKWzFdIGh0dHBzOi8vbG9yZS5rZXJuZWwub3Jn L3IvMjAxOTA3MjMxNTM2NDAuR0I3MjBAbHN0LmRlCgpSZXZpZXdlZC1ieTogSmFuIEthcmEgPGph Y2tAc3VzZS5jej4KUmV2aWV3ZWQtYnk6IElyYSBXZWlueSA8aXJhLndlaW55QGludGVsLmNvbT4K U2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgotLS0KIGRy aXZlcnMvcGxhdGZvcm0vZ29sZGZpc2gvZ29sZGZpc2hfcGlwZS5jIHwgMTcgKysrLS0tLS0tLS0t LS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygtKQoK ZGlmZiAtLWdpdCBhL2RyaXZlcnMvcGxhdGZvcm0vZ29sZGZpc2gvZ29sZGZpc2hfcGlwZS5jIGIv ZHJpdmVycy9wbGF0Zm9ybS9nb2xkZmlzaC9nb2xkZmlzaF9waXBlLmMKaW5kZXggZWY1MGMyNjRk YjcxLi4yYTU5MDFlZmVjZGUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvcGxhdGZvcm0vZ29sZGZpc2gv Z29sZGZpc2hfcGlwZS5jCisrKyBiL2RyaXZlcnMvcGxhdGZvcm0vZ29sZGZpc2gvZ29sZGZpc2hf cGlwZS5jCkBAIC0yNzQsNyArMjc0LDcgQEAgc3RhdGljIGludCBnb2xkZmlzaF9waW5fcGFnZXMo dW5zaWduZWQgbG9uZyBmaXJzdF9wYWdlLAogCQkqaXRlcl9sYXN0X3BhZ2Vfc2l6ZSA9IGxhc3Rf cGFnZV9zaXplOwogCX0KIAotCXJldCA9IGdldF91c2VyX3BhZ2VzX2Zhc3QoZmlyc3RfcGFnZSwg cmVxdWVzdGVkX3BhZ2VzLAorCXJldCA9IHBpbl91c2VyX3BhZ2VzX2Zhc3QoZmlyc3RfcGFnZSwg cmVxdWVzdGVkX3BhZ2VzLAogCQkJCSAgIWlzX3dyaXRlID8gRk9MTF9XUklURSA6IDAsCiAJCQkJ ICBwYWdlcyk7CiAJaWYgKHJldCA8PSAwKQpAQCAtMjg1LDE4ICsyODUsNiBAQCBzdGF0aWMgaW50 IGdvbGRmaXNoX3Bpbl9wYWdlcyh1bnNpZ25lZCBsb25nIGZpcnN0X3BhZ2UsCiAJcmV0dXJuIHJl dDsKIH0KIAotc3RhdGljIHZvaWQgcmVsZWFzZV91c2VyX3BhZ2VzKHN0cnVjdCBwYWdlICoqcGFn ZXMsIGludCBwYWdlc19jb3VudCwKLQkJCSAgICAgICBpbnQgaXNfd3JpdGUsIHMzMiBjb25zdW1l ZF9zaXplKQotewotCWludCBpOwotCi0JZm9yIChpID0gMDsgaSA8IHBhZ2VzX2NvdW50OyBpKysp IHsKLQkJaWYgKCFpc193cml0ZSAmJiBjb25zdW1lZF9zaXplID4gMCkKLQkJCXNldF9wYWdlX2Rp cnR5KHBhZ2VzW2ldKTsKLQkJcHV0X3BhZ2UocGFnZXNbaV0pOwotCX0KLX0KLQogLyogUG9wdWxh dGUgdGhlIGNhbGwgcGFyYW1ldGVycywgbWVyZ2luZyBhZGphY2VudCBwYWdlcyB0b2dldGhlciAq Lwogc3RhdGljIHZvaWQgcG9wdWxhdGVfcndfcGFyYW1zKHN0cnVjdCBwYWdlICoqcGFnZXMsCiAJ CQkgICAgICAgaW50IHBhZ2VzX2NvdW50LApAQCAtMzcyLDcgKzM2MCw4IEBAIHN0YXRpYyBpbnQg dHJhbnNmZXJfbWF4X2J1ZmZlcnMoc3RydWN0IGdvbGRmaXNoX3BpcGUgKnBpcGUsCiAKIAkqY29u c3VtZWRfc2l6ZSA9IHBpcGUtPmNvbW1hbmRfYnVmZmVyLT5yd19wYXJhbXMuY29uc3VtZWRfc2l6 ZTsKIAotCXJlbGVhc2VfdXNlcl9wYWdlcyhwaXBlLT5wYWdlcywgcGFnZXNfY291bnQsIGlzX3dy aXRlLCAqY29uc3VtZWRfc2l6ZSk7CisJcHV0X3VzZXJfcGFnZXNfZGlydHlfbG9jayhwaXBlLT5w YWdlcywgcGFnZXNfY291bnQsCisJCQkJICAhaXNfd3JpdGUgJiYgKmNvbnN1bWVkX3NpemUgPiAw KTsKIAogCW11dGV4X3VubG9jaygmcGlwZS0+bG9jayk7CiAJcmV0dXJuIDA7Ci0tIAoyLjI0LjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==