diff options
Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 6d72a62..26d3b1a 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -50031,15 +50031,19 @@ static void svc_pump_channels(struct nv_vgpu_device *vgpu) /* * Saved-window release carrier (sema_gl_mme_pack_release). After the - * channel loop (a client window decoded in this pass wins and cancels - * the pending release), fire the saved held-call window once the pack - * completed and the settle grace expired. Same gates as the - * continuation carrier, except the FE-busy defer (this launch carries - * a real window, not a LOAD-ONLY carrier). + * channel loop (so a client window decoded in this pass is offered + * first), re-arm the saved held-call window if a race left the record + * valid but disarmed, then fire it once the pack completed and the + * settle grace expired. Same gates as the continuation carrier, except + * the FE-busy defer (this launch carries a real window, not a + * LOAD-ONLY carrier). A real client window never cancels the release: + * only the MME-PACK-REARM edge (calls actually released) does. */ { u32 rel_h = 0; + bool found = false; + gsp_phys_gr_mme_release_rearm(); if (gsp_phys_gr_mme_release_peek(&rel_h)) { int ci; @@ -50048,14 +50052,25 @@ static void svc_pump_channels(struct nv_vgpu_device *vgpu) if (c->h_object != rel_h || c->engine_type) continue; - if (svc_gr_cand_unoffered_for(rel_h)) + found = true; + if (svc_gr_cand_unoffered_for(rel_h)) { + pr_info_ratelimited("vgsp-gr: MME-CARRY-HOLD reason=client-candidate h=0x%x\n", + rel_h); break; + } if (svc_fwd_hold.active || - test_bit(SVC_FWD_INFLIGHT, &svc_fwd_state)) + test_bit(SVC_FWD_INFLIGHT, + &svc_fwd_state)) { + pr_info_ratelimited("vgsp-gr: MME-CARRY-HOLD reason=request-inflight h=0x%x\n", + rel_h); break; + } (void)svc_gr_carrier_request(vgpu, c, true); break; } + if (!found) + pr_info_ratelimited("vgsp-gr: MME-CARRY-HOLD reason=no-channel h=0x%x\n", + rel_h); } } |