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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 | 3fae97a4422829930e52cb0839b7593006def7bf (patch) | |
| tree | 109a96c013e29048241cc6fa2e60e83611b38b27 /kernel/main.c | |
| parent | 23c3754ecb231cb7b57bf2f2a81f241a91b09189 (diff) | |
| download | open-iov-3fae97a4422829930e52cb0839b7593006def7bf.tar.gz open-iov-3fae97a4422829930e52cb0839b7593006def7bf.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): |