linux-kernel - Re: [PATCH 2/2] drm/msm: Take the ioctls away from the KMS-only driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <g7vusfodm52goeid27twl7ocspyf6zfl3zsxfo3jolhjgh4nng@oz5m3xmlj3pp>
Date: Sat, 5 Jul 2025 18:45:29 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Rob Clark <robin.clark@....qualcomm.com>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] drm/msm: Take the ioctls away from the KMS-only
 driver

On Sat, Jul 05, 2025 at 07:52:41AM -0700, Rob Clark wrote:
> KMS-only drivers should only allocate dumb buffers.  The driver custom
> ioctls are only meant for the usermode gpu driver (mesa), and not for
> general consumption, so they don't make sense for standalone KMS
> drivers.
> 
> Signed-off-by: Rob Clark <robin.clark@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/msm_drv.c | 2 --
>  1 file changed, 2 deletions(-)
> 

If we need GEM IOCTLs for the KMS node, we can think about it later.
Let's remove them for now.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry