From patchwork Wed Oct 7 16:44:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11821197 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 999DD14D5 for ; Wed, 7 Oct 2020 16:46:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72EEC206FC for ; Wed, 7 Oct 2020 16:46:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="M9/9cFkL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728292AbgJGQqF (ORCPT ); Wed, 7 Oct 2020 12:46:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727981AbgJGQol (ORCPT ); Wed, 7 Oct 2020 12:44:41 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4F10C0613D3 for ; Wed, 7 Oct 2020 09:44:39 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id l11so3060198wmh.2 for ; Wed, 07 Oct 2020 09:44:39 -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=CXmXX9/hQfgNA2sDFICXZ2LHoeIrjelysU1qQvq0pLo=; b=M9/9cFkLYvtsV+XSvB3EIEIsseQMf3Ht42LRs7L3X5P1WwWl9Oi2KvxQBCacCcF14m fJV8CQS9LPrjIIfBd4aiNt1OxGBmDjd9OCGq8SR0MHNMsO52kAQKbH++f9zP6zkYkuCb ir3n+83k7vXH52uffeOAdQ1DpKcQF6dl1WTl4= 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=CXmXX9/hQfgNA2sDFICXZ2LHoeIrjelysU1qQvq0pLo=; b=DPEonONhZcx9+7qgBDryyRGnQr1IAT4c21B1K8EGmVP5dx7jkE+xvDkdiIDNSOAjl9 rrpWMyHK54NvFKpy/FIEe+B6m3FcqQawVYxrbrotNg7oxAr1Eqk9MjNIBVNeYHNJV8yB bYSQBfmSNEL9G3p5UOIYZOvxVNX9slZvHQ+HcIHwpDPrA4k4cwrXLYSftWYTzf0E4UIs v77mXYukij6XkUkUwwB/vnzD6O0dwUfCDGMU6Z4BwlINIASMpurmmOhyvKcmcl0yp3fL rSlyMwr7DiP6N0hTIRhIjHmumIsAremlpomdksOgVBrPnxN6V90TSwdJ9Y8jhnqyW11I DUWg== X-Gm-Message-State: AOAM530PAYPuCZzRw51XDkU5hTUvUIHFmL/u4Rvv6lPqmmoFbQIDotZ0 pkwSFomQ6AbktygUxNtieAujktAzuDoY9vSH X-Google-Smtp-Source: ABdhPJxC/lomxhrpmJUvYBJInJM6vUgAB59jFw18I6b4BWoKkPAiJCuoXppD6fu/bxyn6KUpfhv2Zw== X-Received: by 2002:a05:600c:1149:: with SMTP id z9mr1651741wmz.180.1602089078573; Wed, 07 Oct 2020 09:44:38 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id z191sm3332280wme.40.2020.10.07.09.44.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2020 09:44:37 -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 04/13] misc/habana: Use FOLL_LONGTERM for userptr Date: Wed, 7 Oct 2020 18:44:17 +0200 Message-Id: <20201007164426.1812530-5-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201007164426.1812530-1-daniel.vetter@ffwll.ch> References: <20201007164426.1812530-1-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 Reviewed-by: John Hubbard --- 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 ef89cfa2f95a..94bef8faa82a 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) {