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c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=5mhuNOKxkmBBrmIsUzS9fwD7Nuv7mqMKloOUqDCzlT8=; b=gMbSfJuUvE83H+Afs3lQuMo53nXWbhvkS+3Gr4EoAMSE/0lYkdn4z8g0a9q5OhjyKg H+espryHkBGEQzYKVBOoHH6JTjjMiQuD6ERZuvmUsZV+j+evNUYl7DxfdQSna5yq0xuw UYhZEBYQZm8Vq1K9YwgYAoN0Yj7RxL7HfzlYCYrzXdL3ZNDmHnIj5wJmvtDXeRrHxKSI Gc+ai3+yVfFiatnDso+GKl42j45KazZjCKHg+FUZDeGojf0s4hclb1fnhiNPjABugnQr sJ4C+hgTjEKMOtnUT2+sotuSQaUGPNa7rnuhq9hgxXWKi7y7c/emOc+wzQt2v+1YIJTg twOA== X-Gm-Message-State: AOAM53351e5ATop2nqjZeaOmLN38mlF6djNmcFbdVmjTiut3R1uBIRTi 27lgDPVLZTCn7g1PXA5nNR9vugo+VeTJd1hipjQ= X-Google-Smtp-Source: ABdhPJwqSycFpxX9Jz7U16TejFgMqh1yhHCGmKgIfuXWwA9aEHG/qyeZHSoqcZhDg2nkpc80bEAesVHCPShEHxndzP0= X-Received: by 2002:a05:6830:210a:: with SMTP id i10mr16278124otc.145.1608653283153; Tue, 22 Dec 2020 08:08:03 -0800 (PST) MIME-Version: 1.0 References: <20201127164131.2244124-1-daniel.vetter@ffwll.ch> <20201127164131.2244124-5-daniel.vetter@ffwll.ch> In-Reply-To: <20201127164131.2244124-5-daniel.vetter@ffwll.ch> From: Oded Gabbay Date: Tue, 22 Dec 2020 18:07:36 +0200 Message-ID: Subject: Re: [PATCH v7 04/17] misc/habana: Use FOLL_LONGTERM for userptr To: Daniel Vetter Cc: LKML , linux-mm , linux-samsung-soc , Oded Gabbay , Daniel Vetter , Jason Gunthorpe , Andrew Morton , John Hubbard , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jan Kara , Dan Williams , Greg Kroah-Hartman , Pawel Piskorski Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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: On Fri, Nov 27, 2020 at 6:42 PM Daniel Vetter wrot= e: > > These are persistent, not just for the duration of a dma operation. > > Reviewed-by: Oded Gabbay > Signed-off-by: Daniel Vetter > Cc: Jason Gunthorpe > Cc: Andrew Morton > Cc: John Hubbard > Cc: J=C3=A9r=C3=B4me 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/haban= alabs/common/memory.c > index 2c59fa869684..0d25ae1d5f3e 100644 > --- a/drivers/misc/habanalabs/common/memory.c > +++ b/drivers/misc/habanalabs/common/memory.c > @@ -1296,7 +1296,8 @@ static int get_user_memory(struct hl_device *hdev, = u64 addr, u64 size, > if (!userptr->pages) > return -ENOMEM; > > - rc =3D pin_user_pages_fast(start, npages, FOLL_FORCE | FOLL_WRITE= , > + rc =3D pin_user_pages_fast(start, npages, > + FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM, > userptr->pages); > > if (rc !=3D npages) { > -- > 2.29.2 > Hi Daniel, Is this patch-set going to be in 5.11 ? If not, can I just pick the two patches relevant to my driver and push them through my tree ? Thanks, Oded