Skip site navigation (1)Skip section navigation (2)
Date:      Thu,  7 Jul 2022 17:25:03 +0200
From:      Sebastian Huber <sebastian.huber@embedded-brains.de>
To:        freebsd-hackers@freebsd.org
Subject:   [PATCH 3/6] pps: Move pcount assignment in pps_event()
Message-ID:  <20220707152506.55626-4-sebastian.huber@embedded-brains.de>
In-Reply-To: <20220707152506.55626-1-sebastian.huber@embedded-brains.de>
References:  <20220707152506.55626-1-sebastian.huber@embedded-brains.de>

next in thread | previous in thread | raw e-mail | index | archive | help
Move the pseq increment.  This makes it possible to reuse registers earli=
er.
---
 sys/kern/kern_tc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c
index b466fd4399e4..b625726123af 100644
--- a/sys/kern/kern_tc.c
+++ b/sys/kern/kern_tc.c
@@ -1842,25 +1842,25 @@ pps_event(struct pps_state *pps, int event)
 #endif
 	}
=20
+	*pcount =3D pps->capcount;
+
 	/*
 	 * If the timecounter changed, we cannot compare the count values, so
 	 * we have to drop the rest of the PPS-stuff until the next event.
 	 */
 	if (__predict_false(pps->ppstc !=3D captc)) {
 		pps->ppstc =3D captc;
-		*pcount =3D pps->capcount;
 		pps->ppscount[2] =3D pps->capcount;
 		return;
 	}
=20
+	(*pseq)++;
+
 	/* Convert the count to a timespec. */
 	tcount =3D pps->capcount - tcount;
 	tcount &=3D captc->tc_counter_mask;
 	bintime_addx(&bt, capth_scale * tcount);
 	bintime2timespec(&bt, &ts);
-
-	*pcount =3D pps->capcount;
-	(*pseq)++;
 	*tsp =3D ts;
=20
 	if (foff) {
--=20
2.35.3




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20220707152506.55626-4-sebastian.huber>