Re: [PATCH v6 2/2] drm/xe/xe_ras: Report correctable/uncorrectable error events to userspace

[Raag Jadav <raag.jadav@intel.com>]

On Wed, Jul 22, 2026 at 03:11:37PM +0530, Riana Tauro wrote:
> When an interrupt is received for correctable errors indicating that error
> counter has crossed its threshold, read the current counter value and
> deliver a drm-ras error-event to userspace for each affected component.
> 
> Also send drm-ras error-event to userspace for uncorrectable errors on
> receiving an AER.
> 
> To avoid sending duplicate events when the same component appears multiple
> times in the response, Send the error-event once per component.

...

> @@ -425,6 +487,12 @@ enum xe_ras_recovery_action xe_ras_process_errors(struct xe_device *xe)
>  			xe_info(xe, "[RAS]: %s %s detected\n", comp_to_str(component),
>  				sev_to_str(severity));

Similar to threshold crossed case, we should probably have a BUILD_BUG_ON()
against XE_RAS_NUM_ERROR_ARR.

Reviewed-by: Raag Jadav <raag.jadav@intel.com>

> +			/* Send event once per component */
> +			if (!(sent & BIT(component))) {
> +				sent |= BIT(component);
> +				ras_send_error_event(xe, severity, component);
> +			}
> +
>  			switch (component) {
>  			case XE_RAS_COMP_CORE_COMPUTE:
>  				action = handle_core_compute_errors(arr);
> -- 
> 2.47.1
>