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* gsp_sema_service: add content rescue for unmapped push-buffer pool VAsArthur Hanson Rasmusson2026-09-25
- Add expected_sem_payload tracking to svc_channel for CE channels - Implement svc_rescue_push_page() to scan guest RAM for push with expected semaphore release when VA translation fails - Add svc_init_expected_payload() to initialize expected payload from pool - Add rate-limited logging of distinct stalled VAs (svc_log_stalled_va) - Advance expected_sem_payload on successful push decode - Pushes SEMA_MAP_MAX to 65536, SVC_PIN_SLOTS to 32768 for scale