Re: [PATCH 2/2] drm/xe/guc: Synchronize Dead CT worker with unbind

["Vivekanandan, Balasubramani" <balasubramani.vivekanandan@intel.com>]

Corrected email address of John Harrison.

Regards,
Bala

On 13.10.2025 13:39, Balasubramani Vivekanandan wrote:
> Cancel and wait for any Dead CT worker to complete before continuing
> with device unbinding. Else the worker will end up using resources freed
> by the undind operation.
> 
> Fixes: d2c5a5a926f4 ("drm/xe/guc: Dead CT helper")
> Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
> ---
>  drivers/gpu/drm/xe/xe_guc_ct.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
> index 47079ab9922c..d1a994c5ad02 100644
> --- a/drivers/gpu/drm/xe/xe_guc_ct.c
> +++ b/drivers/gpu/drm/xe/xe_guc_ct.c
> @@ -197,6 +197,9 @@ static void guc_ct_fini(struct drm_device *drm, void *arg)
>  {
>  	struct xe_guc_ct *ct = arg;
>  
> +#if IS_ENABLED(CONFIG_DRM_XE_DEBUG)
> +	cancel_work_sync(&ct->dead.worker);
> +#endif
>  	ct_exit_safe_mode(ct);
>  	destroy_workqueue(ct->g2h_wq);
>  	xa_destroy(&ct->fence_lookup);
> -- 
> 2.43.0
>