From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH 13/19] net/xdp: set FOLL_PIN via pin_user_pages() Date: Sun, 24 Nov 2019 20:20:05 -0800 Message-ID: <20191125042011.3002372-14-jhubbard@nvidia.com> References: <20191125042011.3002372-1-jhubbard@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E74189DE3 for ; Mon, 25 Nov 2019 04:20:15 +0000 (UTC) In-Reply-To: <20191125042011.3002372-1-jhubbard@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrew Morton 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 List-Id: dri-devel@lists.freedesktop.org Q29udmVydCBuZXQveGRwIHRvIHVzZSB0aGUgbmV3IHBpbl9sb25ndGVybV9wYWdlcygpIGNhbGws IHdoaWNoIHNldHMKRk9MTF9QSU4uIFNldHRpbmcgRk9MTF9QSU4gaXMgbm93IHJlcXVpcmVkIGZv ciBjb2RlIHRoYXQgcmVxdWlyZXMKdHJhY2tpbmcgb2YgcGlubmVkIHBhZ2VzLgoKSW4gcGFydGlh bCBhbnRpY2lwYXRpb24gb2YgdGhpcyB3b3JrLCB0aGUgbmV0L3hkcCBjb2RlIHdhcyBhbHJlYWR5 CmNhbGxpbmcgcHV0X3VzZXJfcGFnZSgpIGluc3RlYWQgb2YgcHV0X3BhZ2UoKS4gVGhlcmVmb3Jl LCBpbiBvcmRlciB0bwpjb252ZXJ0IGZyb20gdGhlIGdldF91c2VyX3BhZ2VzKCkvcHV0X3BhZ2Uo KSBtb2RlbCwgdG8gdGhlCnBpbl91c2VyX3BhZ2VzKCkvcHV0X3VzZXJfcGFnZSgpIG1vZGVsLCB0 aGUgb25seSBjaGFuZ2UgcmVxdWlyZWQKaGVyZSBpcyB0byBjaGFuZ2UgZ2V0X3VzZXJfcGFnZXMo KSB0byBwaW5fdXNlcl9wYWdlcygpLgoKQWNrZWQtYnk6IEJqw7ZybiBUw7ZwZWwgPGJqb3JuLnRv cGVsQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlk aWEuY29tPgotLS0KIG5ldC94ZHAveGRwX3VtZW0uYyB8IDIgKy0KIDEgZmlsZSBjaGFuZ2VkLCAx IGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL25ldC94ZHAveGRwX3Vt ZW0uYyBiL25ldC94ZHAveGRwX3VtZW0uYwppbmRleCAzMDQ5YWYyNjlmYmYuLmQwNzEwMDNiNWU3 NiAxMDA2NDQKLS0tIGEvbmV0L3hkcC94ZHBfdW1lbS5jCisrKyBiL25ldC94ZHAveGRwX3VtZW0u YwpAQCAtMjkxLDcgKzI5MSw3IEBAIHN0YXRpYyBpbnQgeGRwX3VtZW1fcGluX3BhZ2VzKHN0cnVj dCB4ZHBfdW1lbSAqdW1lbSkKIAkJcmV0dXJuIC1FTk9NRU07CiAKIAlkb3duX3JlYWQoJmN1cnJl bnQtPm1tLT5tbWFwX3NlbSk7Ci0JbnBncyA9IGdldF91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3Ms IHVtZW0tPm5wZ3MsCisJbnBncyA9IHBpbl91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3MsIHVtZW0t Pm5wZ3MsCiAJCQkgICAgICBndXBfZmxhZ3MgfCBGT0xMX0xPTkdURVJNLCAmdW1lbS0+cGdzWzBd LCBOVUxMKTsKIAl1cF9yZWFkKCZjdXJyZW50LT5tbS0+bW1hcF9zZW0pOwogCi0tIAoyLjI0LjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA== 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 E00AFC33CAA for ; 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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" Message-ID: <20191125042005.crX-cOuVjz7GTJbyTnTx4LRMUAkGWHSGaHRBrhOUdp0@z> Q29udmVydCBuZXQveGRwIHRvIHVzZSB0aGUgbmV3IHBpbl9sb25ndGVybV9wYWdlcygpIGNhbGws IHdoaWNoIHNldHMKRk9MTF9QSU4uIFNldHRpbmcgRk9MTF9QSU4gaXMgbm93IHJlcXVpcmVkIGZv ciBjb2RlIHRoYXQgcmVxdWlyZXMKdHJhY2tpbmcgb2YgcGlubmVkIHBhZ2VzLgoKSW4gcGFydGlh bCBhbnRpY2lwYXRpb24gb2YgdGhpcyB3b3JrLCB0aGUgbmV0L3hkcCBjb2RlIHdhcyBhbHJlYWR5 CmNhbGxpbmcgcHV0X3VzZXJfcGFnZSgpIGluc3RlYWQgb2YgcHV0X3BhZ2UoKS4gVGhlcmVmb3Jl LCBpbiBvcmRlciB0bwpjb252ZXJ0IGZyb20gdGhlIGdldF91c2VyX3BhZ2VzKCkvcHV0X3BhZ2Uo KSBtb2RlbCwgdG8gdGhlCnBpbl91c2VyX3BhZ2VzKCkvcHV0X3VzZXJfcGFnZSgpIG1vZGVsLCB0 aGUgb25seSBjaGFuZ2UgcmVxdWlyZWQKaGVyZSBpcyB0byBjaGFuZ2UgZ2V0X3VzZXJfcGFnZXMo KSB0byBwaW5fdXNlcl9wYWdlcygpLgoKQWNrZWQtYnk6IEJqw7ZybiBUw7ZwZWwgPGJqb3JuLnRv cGVsQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlk aWEuY29tPgotLS0KIG5ldC94ZHAveGRwX3VtZW0uYyB8IDIgKy0KIDEgZmlsZSBjaGFuZ2VkLCAx IGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL25ldC94ZHAveGRwX3Vt ZW0uYyBiL25ldC94ZHAveGRwX3VtZW0uYwppbmRleCAzMDQ5YWYyNjlmYmYuLmQwNzEwMDNiNWU3 NiAxMDA2NDQKLS0tIGEvbmV0L3hkcC94ZHBfdW1lbS5jCisrKyBiL25ldC94ZHAveGRwX3VtZW0u YwpAQCAtMjkxLDcgKzI5MSw3IEBAIHN0YXRpYyBpbnQgeGRwX3VtZW1fcGluX3BhZ2VzKHN0cnVj dCB4ZHBfdW1lbSAqdW1lbSkKIAkJcmV0dXJuIC1FTk9NRU07CiAKIAlkb3duX3JlYWQoJmN1cnJl bnQtPm1tLT5tbWFwX3NlbSk7Ci0JbnBncyA9IGdldF91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3Ms IHVtZW0tPm5wZ3MsCisJbnBncyA9IHBpbl91c2VyX3BhZ2VzKHVtZW0tPmFkZHJlc3MsIHVtZW0t Pm5wZ3MsCiAJCQkgICAgICBndXBfZmxhZ3MgfCBGT0xMX0xPTkdURVJNLCAmdW1lbS0+cGdzWzBd LCBOVUxMKTsKIAl1cF9yZWFkKCZjdXJyZW50LT5tbS0+bW1hcF9zZW0pOwogCi0tIAoyLjI0LjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==