diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-07-09 19:38:34 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-07-09 19:38:34 +0000 |
| commit | 0715e11b73b1be92baecab741c6023524f74a24c (patch) | |
| tree | 301c4ffe56989c4fcf002a336c408bf237225577 /sys/arch/amd64/isa | |
| parent | c0465b49a5ac67ecadaac3f219ff68052dfe9597 (diff) | |
Mark the i8254 clock interrupt MPSAFE. It isn't, but it doesn't matter
as it is impossoble to run an anything but a single-CPU machine with it.
ok mpi@, guenther@
Diffstat (limited to 'sys/arch/amd64/isa')
| -rw-r--r-- | sys/arch/amd64/isa/clock.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/arch/amd64/isa/clock.c b/sys/arch/amd64/isa/clock.c index 2aa35cf7767..0516e12b8d4 100644 --- a/sys/arch/amd64/isa/clock.c +++ b/sys/arch/amd64/isa/clock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: clock.c,v 1.26 2017/10/14 04:44:43 jsg Exp $ */ +/* $OpenBSD: clock.c,v 1.27 2018/07/09 19:38:33 kettenis Exp $ */ /* $NetBSD: clock.c,v 1.1 2003/04/26 18:39:50 fvdl Exp $ */ /*- @@ -304,10 +304,14 @@ i8254_initclocks(void) stathz = 128; profhz = 1024; - isa_intr_establish(NULL, 0, IST_PULSE, IPL_CLOCK, clockintr, - 0, "clock"); - isa_intr_establish(NULL, 8, IST_PULSE, IPL_STATCLOCK, rtcintr, - 0, "rtc"); + /* + * While the clock interrupt handler isn't really MPSAFE, the + * i8254 can't really be used as a clock on a true MP system. + */ + isa_intr_establish(NULL, 0, IST_PULSE, IPL_CLOCK | IPL_MPSAFE, + clockintr, 0, "clock"); + isa_intr_establish(NULL, 8, IST_PULSE, IPL_STATCLOCK | IPL_MPSAFE, + rtcintr, 0, "rtc"); rtcstart(); /* start the mc146818 clock */ |