From patchwork Fri Oct 30 10:08:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11869103 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C0D1E14B4 for ; Fri, 30 Oct 2020 10:10:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97DB5221FF for ; Fri, 30 Oct 2020 10:10:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="Am/XHbgB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726353AbgJ3KIr (ORCPT ); Fri, 30 Oct 2020 06:08:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726334AbgJ3KIo (ORCPT ); Fri, 30 Oct 2020 06:08:44 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 329DFC0613D9 for ; Fri, 30 Oct 2020 03:08:44 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id g12so5768924wrp.10 for ; Fri, 30 Oct 2020 03:08:44 -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=/xcbsqH/weHsrxzIda3dt5bupXDON4brOfEy0okYN4I=; b=Am/XHbgBGpMLJawb2JqmvzSTsl5Idglr/zrV0R2WIYVvQFNUw/J4oTVvZTPbUkLKhM lisg+s8yzsUhGfWVPLerJpr5tTqFaD/XZZvYfTg7i69wyEACAvIYaBdn6yq9Md88eZbz D9f7nozAItBqr8ql/UrBHwNAhXwzMj19GyTGg= 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=/xcbsqH/weHsrxzIda3dt5bupXDON4brOfEy0okYN4I=; b=CVONcMe8ghyalvQ4fLpNf2vJtnIn/3137COiwUBx6D9SPGe8IAXFeKkv3Vwhs7DRbH 76Sv5oftJBg381dfWKnL3cxDrmJhkjs8r1SR4WNsxgpqxNjPEdyiaorjKT9eAoL8yAuA LpbKD5KBqMEu8t3OAu1Q99PKdGQYTglAeRfUUcrW5ZqzNWF+CgcQsWLwGLBbBHpqSS3O Pxt3BBqvPkn2EKo5qosGGwrT5Afen/Ktgmvmak5p8sMjlvvW3+pn/Mkw1m4yGqy79XOL 9F+1iPK/FkB7ZCna5sKu7GzlISrOLTUFFl7FYhuK/S/Z4fdGG4PzpHNZC5p2Zl97Z8HO jPMg== X-Gm-Message-State: AOAM532DioV8NdIjKvLuVOfZnOklFOqI0r0u9uoMUQ5G0TqxZ/crz6T9 kqAtSOmc+ipdpuN1sO9Bm1WUuw== X-Google-Smtp-Source: ABdhPJw6XcDIp8KNlI20GqgC0ipGTSD1GbDnlhPI2pNQlmWj+LBBUtNHkeVn2IS0e8mSgO+Qt9vVtA== X-Received: by 2002:a5d:420b:: with SMTP id n11mr2059715wrq.218.1604052522912; Fri, 30 Oct 2020 03:08:42 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id v189sm4430947wmg.14.2020.10.30.03.08.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2020 03:08:42 -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, 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 v5 04/15] misc/habana: Use FOLL_LONGTERM for userptr Date: Fri, 30 Oct 2020 11:08:04 +0100 Message-Id: <20201030100815.2269-5-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201030100815.2269-1-daniel.vetter@ffwll.ch> References: <20201030100815.2269-1-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 Signed-off-by: Daniel Vetter --- 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 0b220221873d..d08c41b90fec 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -1298,7 +1298,8 @@ 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) {