[PATCH 5.10 1/1] drm/amdgpu: Ensure the AMDGPU file descriptor is legitimate

[Greg KH]

On Mon, May 09, 2022 at 03:49:03PM +0100, Lee Jones wrote:
> On Thu, 14 Apr 2022, Greg KH wrote:
> 
> > On Tue, Apr 12, 2022 at 04:20:57PM +0100, Lee Jones wrote:
> > > [ Upstream commit b40a6ab2cf9213923bf8e821ce7fa7f6a0a26990 ]
> > > 
> > > This is a partial cherry-pick of the above upstream commit.
> > > 
> > > It ensures the file descriptor passed in by userspace is a valid one.
> > > 
> > > Cc: Felix Kuehling <Felix.Kuehling at amd.com>
> > > Cc: Alex Deucher <alexander.deucher at amd.com>
> > > Cc: "Christian König" <christian.koenig at amd.com>
> > > Cc: David Airlie <airlied at linux.ie>
> > > Cc: Daniel Vetter <daniel at ffwll.ch>
> > > Cc: amd-gfx at lists.freedesktop.org
> > > Cc: dri-devel at lists.freedesktop.org
> > > Signed-off-by: Lee Jones <lee.jones at linaro.org>
> > > ---
> > >  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 10 +++++++---
> > >  1 file changed, 7 insertions(+), 3 deletions(-)
> > 
> > Now queued up, thanks.
> 
> Could you also back-port this into v5.4 please?
> 
> FYI, in the v5.10.y tree, it's now called:
> 
>   f0c31f192f38c drm/amdkfd: Use drm_priv to pass VM from KFD to amdgpu
> 

Now queued up, thanks.

greg k-h