linux-kernel - Re: [PATCH 13/34] drm/i915/gvt: devirtualize ->{read,write}

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Message-ID: <20220411161555.GO2120790@nvidia.com>
Date:   Mon, 11 Apr 2022 13:15:55 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>,
        intel-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/34] drm/i915/gvt: devirtualize ->{read,write}_gpa

On Mon, Apr 11, 2022 at 04:13:42PM +0200, Christoph Hellwig wrote:
> Just call the VFIO functions directly instead of through the method
> table.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/gpu/drm/i915/gvt/cmd_parser.c |  4 +--
>  drivers/gpu/drm/i915/gvt/execlist.c   | 12 ++++-----
>  drivers/gpu/drm/i915/gvt/gtt.c        |  6 ++---
>  drivers/gpu/drm/i915/gvt/gvt.h        | 37 +++++++++++++++++++++++++++
>  drivers/gpu/drm/i915/gvt/hypercall.h  |  4 ---
>  drivers/gpu/drm/i915/gvt/kvmgt.c      | 23 -----------------
>  drivers/gpu/drm/i915/gvt/mmio.c       |  4 +--
>  drivers/gpu/drm/i915/gvt/mpt.h        | 32 -----------------------
>  drivers/gpu/drm/i915/gvt/opregion.c   | 10 +++-----
>  drivers/gpu/drm/i915/gvt/scheduler.c  | 37 +++++++++++++--------------
>  10 files changed, 72 insertions(+), 97 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason