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| author | simokawa <simokawa@FreeBSD.org> | 2007-08-17 05:32:39 +0000 |
|---|---|---|
| committer | simokawa <simokawa@FreeBSD.org> | 2007-08-17 05:32:39 +0000 |
| commit | b906b986a3da7a75d75997cccfb16700c9688488 (patch) | |
| tree | f6a842a2c450e7a0c6f6e565bcbfe8277b91a959 /sys/dev/dcons | |
| parent | 501b1be8fa4f03c54d8a2a6231af575286972b2e (diff) | |
| download | FreeBSD-src-b906b986a3da7a75d75997cccfb16700c9688488.zip FreeBSD-src-b906b986a3da7a75d75997cccfb16700c9688488.tar.gz | |
We don't need to call dcons_poll event handlers if KDB is not active.
Approved by: re (kensmith)
Diffstat (limited to 'sys/dev/dcons')
| -rw-r--r-- | sys/dev/dcons/dcons_os.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/dev/dcons/dcons_os.c b/sys/dev/dcons/dcons_os.c index 63f2522..d47515c 100644 --- a/sys/dev/dcons/dcons_os.c +++ b/sys/dev/dcons/dcons_os.c @@ -241,11 +241,10 @@ dcons_check_break(struct dcons_softc *dc, int c) #endif static int -dcons_os_checkc(struct dcons_softc *dc) +dcons_os_checkc_nopoll(struct dcons_softc *dc) { int c; - EVENTHANDLER_INVOKE(dcons_poll, 0); if (dg.dma_tag != NULL) bus_dmamap_sync(dg.dma_tag, dg.dma_map, BUS_DMASYNC_POSTREAD); @@ -257,6 +256,13 @@ dcons_os_checkc(struct dcons_softc *dc) return (c); } +static int +dcons_os_checkc(struct dcons_softc *dc) +{ + EVENTHANDLER_INVOKE(dcons_poll, 0); + return (dcons_os_checkc_nopoll(dc)); +} + #if defined(GDB) || !defined(CONS_NODEV) static int dcons_os_getc(struct dcons_softc *dc) @@ -408,7 +414,7 @@ dcons_timeout(void *v) for (i = 0; i < DCONS_NPORT; i ++) { dc = &sc[i]; tp = ((DEV)dc->dev)->si_tty; - while ((c = dcons_os_checkc(dc)) != -1) + while ((c = dcons_os_checkc_nopoll(dc)) != -1) if (tp->t_state & TS_ISOPEN) #if __FreeBSD_version < 502113 (*linesw[tp->t_line].l_rint)(c, tp); |
