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[156.34.55.100]) by smtp.gmail.com with ESMTPSA id c18sm6024222qtj.25.2019.08.06.11.02.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 06 Aug 2019 11:02:48 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1hv3nM-0000IY-6M; Tue, 06 Aug 2019 15:02:48 -0300 Date: Tue, 6 Aug 2019 15:02:48 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: =?utf-8?B?SsOpcsO0bWU=?= Glisse , Ben Skeggs , Felix Kuehling , Ralph Campbell , linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/15] nouveau: pass struct nouveau_svmm to nouveau_range_fault Message-ID: <20190806180248.GO11627@ziepe.ca> References: <20190806160554.14046-1-hch@lst.de> <20190806160554.14046-4-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190806160554.14046-4-hch@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) 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 Tue, Aug 06, 2019 at 07:05:41PM +0300, Christoph Hellwig wrote: > We'll need the nouveau_svmm structure to improve the function soon. > For now this allows using the svmm->mm reference to unlock the > mmap_sem, and thus the same dereference chain that the caller uses > to lock and unlock it. > > Signed-off-by: Christoph Hellwig > --- > drivers/gpu/drm/nouveau/nouveau_svm.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) Reviewed-by: Jason Gunthorpe Jason