svn commit: r289909 - head/sys/dev/ioat

[Conrad E. Meyer]

Author: cem
Date: Sat Oct 24 23:45:56 2015
New Revision: 289909
URL: https://svnweb.freebsd.org/changeset/base/289909

Log:
  ioat: Always re-arm interrupts in process_events
  
  It doesn't hurt, even if there is nothing to do.
  
  Sponsored by:	EMC / Isilon Storage Division

Modified:
  head/sys/dev/ioat/ioat.c

Modified: head/sys/dev/ioat/ioat.c
==============================================================================
--- head/sys/dev/ioat/ioat.c	Sat Oct 24 23:45:45 2015	(r289908)
+++ head/sys/dev/ioat/ioat.c	Sat Oct 24 23:45:56 2015	(r289909)
@@ -575,10 +575,8 @@ ioat_process_events(struct ioat_softc *i
 
 	ioat_log_message(3, "%s\n", __func__);
 
-	if (status == ioat->last_seen) {
-	 	mtx_unlock(&ioat->cleanup_lock);
-		return;
-	}
+	if (status == ioat->last_seen)
+		goto out;
 
 	while (1) {
 		desc = ioat_get_ring_entry(ioat, ioat->tail);
@@ -602,6 +600,7 @@ ioat_process_events(struct ioat_softc *i
 		    ioat_timer_callback, ioat);
 	}
 
+out:
 	ioat_write_chanctrl(ioat, IOAT_CHANCTRL_RUN);
 	mtx_unlock(&ioat->cleanup_lock);