diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/gsp_sema_service.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c index 52819da..91f1df9 100644 --- a/kernel/gsp_sema_service.c +++ b/kernel/gsp_sema_service.c @@ -7921,6 +7921,22 @@ static void svc_dstpend_note(u64 va) return; for (i = 0; i < svc_dstpend_n; i++) { if (svc_dstpend[i].va_page == page) { + /* + * r553: the window is ABSOLUTE from the first failed + * attempt for this page, never re-freshened by the + * retries. The retried decode of a copy that cannot + * resolve re-notes its destination on every pass; with + * a sliding stamp the record never expired and the r541 + * launch guard deferred the launch forever - r551 soak: + * victory_strided repeated "GR busy-defer timeout -> + * hold 8000 ms" every ~4 s for 427 s with the launch + * never forwarded (the copies' -ENOENT retries kept the + * note fresh). A record older than the window is + * refreshed only when a NEW failure episode starts. + */ + if (time_before(jiffies, svc_dstpend[i].since + + msecs_to_jiffies(SVC_DSTPEND_MS))) + return; svc_dstpend[i].since = jiffies; return; } |