diff options
| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 15:41:01 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 15:41:01 -0400 |
| commit | 5757095befda5982e90b3a3af78b57c339e9ab53 (patch) | |
| tree | 0ca0061e029e87564e42692e482b0e54c0dc4813 /kernel/main.c | |
| parent | b7636afd9715748396325ec4dd0899c7f42ece17 (diff) | |
| download | open-iov-5757095befda5982e90b3a3af78b57c339e9ab53.tar.gz open-iov-5757095befda5982e90b3a3af78b57c339e9ab53.zip | |
sema-svc: sema_skip_ops parameter (apply releases without running pushed memsets)
Diffstat (limited to 'kernel/main.c')
| -rw-r--r-- | kernel/main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/main.c b/kernel/main.c index 952daf1..590d956 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -2441,6 +2441,15 @@ module_param_named(sema_fake_rel, gsp_sema_fake_rel, bool, 0644); MODULE_PARM_DESC(sema_fake_rel, "Acknowledge unreadable CE releases directly (default 0)"); /* + * Skip executing the pushed work (CE memsets/copies) while still applying the + * semaphore releases. The client only observes releases; skipping the shadow + * writes removes the per-push execution cost that dominates the context-init + * latency budget. + */ +module_param_named(sema_skip_ops, gsp_sema_skip_ops, bool, 0644); +MODULE_PARM_DESC(sema_skip_ops, "Apply releases without executing pushed memsets (default 0)"); + +/* * Grace window (ms) an untranslatable GR entry stays pending before the pump * consumes it as stale, so a late push-buffer pin can still make it readable. */ |