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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 12:30:57 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-29 12:30:57 -0400 |
| commit | ce86b083311adb4d2f4fd907fd81d504898ff438 (patch) | |
| tree | f6717da285bd0f087c54819b3febb0c1de374a76 /kernel/main.c | |
| parent | 23a5d82a87e3b22617a3716cd7c27934fd787084 (diff) | |
| download | open-iov-ce86b083311adb4d2f4fd907fd81d504898ff438.tar.gz open-iov-ce86b083311adb4d2f4fd907fd81d504898ff438.zip | |
sema-svc: optional CE release fallback for unreadable pushes (sema_fake_rel)
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 0bd4826..726b4bf 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -2432,6 +2432,15 @@ module_param_named(sema_gr_rings, gsp_sema_gr_rings, bool, 0644); MODULE_PARM_DESC(sema_gr_rings, "Auto-discover+pin GR channel rings (default 1)"); /* + * Acknowledge releases from unreadable CE pushes directly (tracking-semaphore + * fallback). The push's data writes are lost either way when the content + * rescue cannot find the page; writing the expected payload keeps the + * driver's progress waits from timing out on the rescue latency. + */ +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)"); + +/* * Debug: inject a verified {GPU VA -> guest PA} translation into the * semaphore service (used when the client's mapping cannot be discovered * from guest structures): |