From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 09/18] drm/cma-helper: Don't grab dev->struct_mutex for
 in mmap offset ioctl
Date: Mon, 10 Aug 2015 12:54:19 +0200
Message-ID: <20150810105417.GJ1262@ulmo.nvidia.com>
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To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@intel.com>, Intel Graphics Development <intel-gfx@lists.freedesktop.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, DRI Development <dri-devel@lists.freedesktop.org>
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On Thu, Jul 09, 2015 at 11:32:41PM +0200, Daniel Vetter wrote:
> Since David Herrmann's mmap vma manager rework we don't need to grab
> dev->struct_mutex any more to prevent races when looking up the mmap
> offset. Drop it and instead don't forget to use the unref_unlocked
> variant (since the drm core still cares).
>=20
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Rob Clark <robdclark@gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> ---
>  drivers/gpu/drm/drm_gem_cma_helper.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)

Reviewed-by: Thierry Reding <treding@nvidia.com>

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