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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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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) {