From patchwork Fri Oct 9 07:59:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 269183 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 81573C2D0A4 for ; Fri, 9 Oct 2020 08:01:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 386CB22277 for ; Fri, 9 Oct 2020 08:01:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="LUs8gW8p" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732730AbgJIIAN (ORCPT ); Fri, 9 Oct 2020 04:00:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732685AbgJIIAM (ORCPT ); Fri, 9 Oct 2020 04:00:12 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21F56C0613E2 for ; Fri, 9 Oct 2020 00:59:59 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id 13so8866583wmf.0 for ; Fri, 09 Oct 2020 00:59:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uX5hiQf2/6+JGMu7ibulF4yjLrHkS7bzKXomqQaTHWE=; b=LUs8gW8poh/U88b/yPCV1unTccMuHSzIpHlM9z2+BrGZRpT9/SgX900ntWxsVp0THA 6pATcrsdZsxLyB+PObFVC/LN2SqZ3pUmcbdagnolKeMah/pcR69O+r6i8uxjKGpoKgMW IouGPHyDlnYWeMW6lK51rglfKepWnaslSuqQY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uX5hiQf2/6+JGMu7ibulF4yjLrHkS7bzKXomqQaTHWE=; b=Rzr43hz3BPgAX3pv79kOH7nveMBgYjaKaDBCkbZJEruf4DET6Xm8u1r3Verbh7z7GB BpTP+DVvGYaYRMvNadRR/E0pBUeqLQvPJojcVhf1JnlmZr0vPnh2SYnmJoyT58d6ofgR XKKDEOxeb6hSC9M1itgqeR0ktPGgDTWeKToFzk5NId8OPJAEJ2Uwl+YO25GKOc0GTVr/ QCWFyrNmg/LhCoLiYyUptnNgAGZ2hKAy9Sw+jQPGJ/jGJ5zhqaMRWXiGV5iDC4+eh4Py OBhVo0+3+H3XqXsKmmb9mHXwaXi9KbHbecb1xG1d26wQClqI7uuT9NWip0z604neTBma r0ig== X-Gm-Message-State: AOAM5311WwnUcnDwv34IiX8if9a43cSsCEtYdK0/+XUF/1VLnigvioYd sQxgmkKVfiXinCr9iNa0dZHLAwyyXj5zzul6 X-Google-Smtp-Source: ABdhPJzgf8p51mqg8LMpEmZ8q3ui41jSdEp5wqDSyAI+GdHX93E/LMoGG5UPxz3MA259SCYbT0mGJw== X-Received: by 2002:a7b:c14f:: with SMTP id z15mr13474049wmi.73.1602230397816; Fri, 09 Oct 2020 00:59:57 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id u17sm11634118wri.45.2020.10.09.00.59.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2020 00:59:57 -0700 (PDT) From: Daniel Vetter To: DRI Development , LKML Cc: kvm@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-media@vger.kernel.org, linux-s390@vger.kernel.org, Daniel Vetter , Daniel Vetter , Jason Gunthorpe , Andrew Morton , John Hubbard , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Jan Kara , Dan Williams , Oded Gabbay , Omer Shpigelman , Ofir Bitton , Tomer Tayar , Moti Haimovski , Greg Kroah-Hartman , Pawel Piskorski Subject: [PATCH v2 04/17] misc/habana: Use FOLL_LONGTERM for userptr Date: Fri, 9 Oct 2020 09:59:21 +0200 Message-Id: <20201009075934.3509076-5-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201009075934.3509076-1-daniel.vetter@ffwll.ch> References: <20201009075934.3509076-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org These are persistent, not just for the duration of a dma operation. Signed-off-by: Daniel Vetter Cc: Jason Gunthorpe Cc: Andrew Morton Cc: John Hubbard Cc: Jérôme Glisse Cc: Jan Kara Cc: Dan Williams Cc: linux-mm@kvack.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: Oded Gabbay Cc: Omer Shpigelman Cc: Ofir Bitton Cc: Tomer Tayar Cc: Moti Haimovski Cc: Daniel Vetter Cc: Greg Kroah-Hartman Cc: Pawel Piskorski --- drivers/misc/habanalabs/common/memory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c index 327b64479f97..767d3644c033 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -1288,7 +1288,8 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size, return -ENOMEM; } - rc = pin_user_pages_fast(start, npages, FOLL_FORCE | FOLL_WRITE, + rc = pin_user_pages_fast(start, npages, + FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM, userptr->pages); if (rc != npages) {