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Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 6e0d88b..24cb034 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -20695,10 +20695,29 @@ static void svc_gr_data_fill(struct nv_vgpu_device *vgpu, u32 dl; svc_gr_drop_log_va = svc_fwd_req.gr_push_va; - for (dl = 0; dl < 4 && dl < dropped_pages; dl++) + for (dl = 0; dl < 4 && dl < dropped_pages; dl++) { + /* + * r585: DEMAND the dropped pages through the + * pin channel. The host pin stream parses the + * "stalled VA #N: 0x..." lines (svc_log_stalled_va) + * and pushes each VA to the guest scanner within + * ~3 s, whose pin then lands inside the launch's + * bounded argument-defer window - the r584 matmul + * draw dropped 18 staging pages that were NEVER + * demanded (the GRFILL-DROP line format is + * invisible to the host's demand regex), the r543 + * defer window expired, and the r564 degenerate + * refusal SW-completed a launch that wrote + * nothing (MATMUL bad=65536 csum=0). One demand + * per page per boot (svc_log_stalled_va dedups); + * one episode per launch push VA (the marker + * above). + */ + svc_log_stalled_va(drop_va[dl]); pr_info("vgsp-gr: GRFILL-DROP va=0x%llx kind=%c idx=%u\n", drop_va[dl], drop_kind[dl], drop_idx[dl]); + } } } if (svc_gr_data_stalled) |