diff options
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 c4e4792..d2dc57a 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -2789,6 +2789,15 @@ module_param_named(sema_pool_hold_fresh, gsp_sema_pool_hold_fresh, bool, 0644); MODULE_PARM_DESC(sema_pool_hold_fresh, "apply pool releases at fresh-pin time instead of registration+5s (default 1)"); /* + * m169 (AGENT-F R1): hold device-destination copies translated only by a + * page-directory walk until a pin confirms (default on). A wrong-but-valid + * stale table entry silently writes the wrong vidmem page; the hold lets + * the m163 retry path re-resolve with pins. + */ +module_param_named(sema_copy_dst_pin_guard, gsp_sema_copy_dst_pin_guard, bool, 0644); +MODULE_PARM_DESC(sema_copy_dst_pin_guard, "hold device-dst copies without a pin-resolved translation (default 1)"); + +/* * 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): |