Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp38120img; Sun, 17 Mar 2019 19:37:33 -0700 (PDT) X-Google-Smtp-Source: APXvYqwsipfp5JjJHCc5RMZ0qz0idL3ot0v6fkw1+CMEuRWb5I+vBP0bDXRRJLoku8SyGqw8dcr9 X-Received: by 2002:a63:c242:: with SMTP id l2mr15603564pgg.138.1552876653500; Sun, 17 Mar 2019 19:37:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552876653; cv=none; d=google.com; s=arc-20160816; b=rY3rj4TJx7GIu1UgcPh0Ra7w2lvB4bZrWD/cePZUWVCrD9o9e1pMioXCWjpIljgxIg udI2yhrIfZ+HOvEHS1C4jQXPsX7pIlA8WACVqKSlrtDp7drSX+sUp0W1tu98ceLcQeot nz4SBxLKtrsJNoOc4OXGEawtve/MUu2dgQyG/amZykEQ130PhhnxEdtzi5cxV/oiQDf5 ZkzIQxKMOIDMqj69PFKlZ+BBvJBn8JkX3NULYu8otIz3DWzlal01ccSI64zmwjlD0fAi 7lCMKvR/fn6UmH9hd9GxmhFFUazsYT4O9SF6h76QyDrQm4vYQmN1l53YJmh7iQZmK+EE XugQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=kyMwtL6l+E6laFOjdhzDjY7ZhAMUjFdLnnCnR8EJtfw=; b=G1oXV8jz/KBaKCJXQS0QyCjuevJGCyzk0y/wKP9EP0QtxIs2x4sxpF0yTCdZPCTOAj +/s0rOh2E4IDWj9UuAY7VJnhefTn3/lzxHN+dQ8ClvWFz6xULdBv+ejScDmJ33x63dyN rcNPOcg9AYpgY98IdrMvGGenNsy4sGukjM8SyyNFAHrvN1v0yF1IFTuR0fzOsGVWDzHI MhTLcsryAd5YHMah8jcs2ehEMOexXhlLAS2ukULOretml+F4/rbhrjJRsKCKKS8X4qZk TeDOT8JURp2qXOPUSquMth0ykGD0Kax/8iQ8AG/B4s+cK+NYWPEN12g22I5UkRdGxeg4 ly2A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n10si7470140pgq.287.2019.03.17.19.37.18; Sun, 17 Mar 2019 19:37:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727906AbfCRCgc (ORCPT + 99 others); Sun, 17 Mar 2019 22:36:32 -0400 Received: from mga12.intel.com ([192.55.52.136]:39312 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727807AbfCRCgH (ORCPT ); Sun, 17 Mar 2019 22:36:07 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Mar 2019 19:36:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,491,1544515200"; d="scan'208";a="155877427" Received: from iweiny-desk2.sc.intel.com ([10.3.52.157]) by fmsmga001.fm.intel.com with ESMTP; 17 Mar 2019 19:36:05 -0700 From: ira.weiny@intel.com To: Andrew Morton , John Hubbard , Michal Hocko , "Kirill A. Shutemov" , Peter Zijlstra , Jason Gunthorpe , Benjamin Herrenschmidt , Paul Mackerras , "David S. Miller" , Martin Schwidefsky , Heiko Carstens , Rich Felker , Yoshinori Sato , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Ralf Baechle , James Hogan Cc: Ira Weiny , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org Subject: [RESEND 6/7] IB/qib: Use the new FOLL_LONGTERM flag to get_user_pages_fast() Date: Sun, 17 Mar 2019 11:34:37 -0700 Message-Id: <20190317183438.2057-7-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190317183438.2057-1-ira.weiny@intel.com> References: <20190317183438.2057-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ira Weiny Use the new FOLL_LONGTERM to get_user_pages_fast() to protect against FS DAX pages being mapped. Signed-off-by: Ira Weiny --- drivers/infiniband/hw/qib/qib_user_sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index 31c523b2a9f5..b53cc0240e02 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -673,7 +673,7 @@ static int qib_user_sdma_pin_pages(const struct qib_devdata *dd, else j = npages; - ret = get_user_pages_fast(addr, j, 0, pages); + ret = get_user_pages_fast(addr, j, FOLL_LONGTERM, pages); if (ret != j) { i = 0; j = ret; -- 2.20.1