[PATCH] drm/i915/gvt: remove local storage of debugfs file

[Greg Kroah-Hartman]

On Tue, May 18, 2021 at 06:17:05PM +0200, Greg Kroah-Hartman wrote:
> There is no need to keep the dentry around for the debugfs kvmgt cache
> file, as we can just look it up when we want to remove it later on.
> Simplify the structure by removing the dentry and relying on debugfs
> to find the dentry to remove when we want to.
> 
> By doing this change, we remove the last in-kernel user that was storing
> the result of debugfs_create_long(), so that api can be cleaned up.
> 
> Cc: Zhenyu Wang <zhenyuw at linux.intel.com>
> Cc: Zhi Wang <zhi.a.wang at intel.com>
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: intel-gvt-dev at lists.freedesktop.org
> Cc: intel-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> ---
>  drivers/gpu/drm/i915/gvt/kvmgt.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)

Note, I can take this through my debugfs tree if wanted, that way I can
clean up the debugfs_create_long() api at the same time.  Otherwise it's
fine, I can wait until next -rc1 for that to happen.

thanks,

greg k-h