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

[Zhenyu Wang]

On 2021.05.19 10:31:18 +0200, Greg Kroah-Hartman wrote:
> On Wed, May 19, 2021 at 04:03:13PM +0800, Zhenyu Wang wrote:
> > On 2021.05.18 18:28:53 +0200, Greg Kroah-Hartman wrote:
> > > 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.
> > > 
> > 
> > It's fine with me to go through debugfs tree. Just double check that recent
> > kvmgt change would not cause conflict with this as well.
> 
> How can I check that?  I'll be glad to take this through my tree, we can
> handle the merge issues later for 5.14-rc1 :)
> 

Current kvmgt change in merge queue is just https://patchwork.freedesktop.org/patch/433536/?series=89995&rev=2
It applies fine with debugfs change.

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