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Diffstat (limited to 'kernel/gsp_sema_service.c')
| -rw-r--r-- | kernel/gsp_sema_service.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index a3366ba..d3a7e31 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -22649,7 +22649,27 @@ static void svc_pump_channels(struct nv_vgpu_device *vgpu) * data), so the hold and the * deferral move together. */ + /* + * r558: the opdef hold is the one + * pump hold path without the + * absolute per-launch bound. r557 + * STALL-DUMP evidence: the pump + * consumed NOTHING for 20+ s while + * held/opdef counters climbed + * (opdef=3880/16/64, held=155) - + * a held entry whose operand never + * resolves was re-held every pass + * and the whole pump froze on it. + * Consult the same absolute + * per-launch-VA bound the GR hold + * paths use (svc_gr_hold_bound_ + * expired, one-shot r509): once it + * fires the entry flushes and is + * consumed instead of held again. + */ if (svc.op_tr_pending && + !svc_gr_hold_bound_expired(ch, + svc_gr_launch_va(ch)) && svc_opdef_hold(vgpu, ch, (u32)idx, va)) { |