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D35641.diff
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diff --git a/sys/kern/subr_busdma_bounce.c b/sys/kern/subr_busdma_bounce.c
--- a/sys/kern/subr_busdma_bounce.c
+++ b/sys/kern/subr_busdma_bounce.c
@@ -438,6 +438,7 @@
struct bus_dmamap *map, *nmap;
thread_lock(curthread);
+ sched_class(curthread, PRI_ITHD);
sched_prio(curthread, PI_SWI(SWI_BUSDMA));
thread_unlock(curthread);
for (;;) {
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D35641.diff (351 B)
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D35641: busdma_bounce: Use PRI_ITHD scheduling class for worker thread.
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