Re: [PATCH v3 2/3] drm/sched: fix module_init() usage

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Feb 19, 2026 at 10:38:57PM +0100, Koen Koning wrote:
> Use subsys_initcall() instead of module_init() (which compiles to
> device_initcall() for built-ins) for sched_fence, so its initialization
> code always runs before any (built-in) drivers.
> This happened to work correctly so far due to the order of linking in
> the Makefiles, but this should not be relied upon.

The linking order of Makefiles should ALWAYS be relied on.  If that were
to somehow change, so many things will blow up.

But be careful, none of this fixes the issue if you use modules, so you
still have to have symbols resolving properly.


> 
> Fixes: 4983e48c85392 ("drm/sched: move fence slab handling to module init/exit")
> Cc: Chunming Zhou <david1.zhou@amd.com>
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: Matthew Brost <matthew.brost@intel.com>
> Cc: Danilo Krummrich <dakr@kernel.org>
> Cc: Philipp Stanner <phasta@kernel.org>
> Cc: "Christian König" <ckoenig.leichtzumerken@gmail.com>
> Cc: Matthew Auld <matthew.auld@intel.com>
> Cc: stable@vger.kernel.org

Why is this for stable if it doesn't actually fix a real issue?

thanks,

greg k-h