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 05:24:11PM +0200, Raag Jadav wrote:
> 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.

XE_RAS_COMP_MAX, missed it :)

> 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
> >