diff options
| author | YASUOKA Masahiko <yasuoka@cvs.openbsd.org> | 2018-06-15 12:21:42 +0000 |
|---|---|---|
| committer | YASUOKA Masahiko <yasuoka@cvs.openbsd.org> | 2018-06-15 12:21:42 +0000 |
| commit | 9e854404ac45f6a17b239720f7cf12df79de20da (patch) | |
| tree | cfd41c58f56250e402dc82933ef64113fc9dbee6 /sys/dev/ipmi.c | |
| parent | 82365ac16a086eddd365d72a6a1d373000066bd4 (diff) | |
Use IPL_MPFLOOR for ipmi mutex to prevent a interrupt which requires
KERNEL_LOCK(). This fixes the panic with with witness.
diff from fukaumi at soum.co.jp.
input and ok mpi
Diffstat (limited to 'sys/dev/ipmi.c')
| -rw-r--r-- | sys/dev/ipmi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/ipmi.c b/sys/dev/ipmi.c index c2e3199f16c..65eeb846b86 100644 --- a/sys/dev/ipmi.c +++ b/sys/dev/ipmi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipmi.c,v 1.101 2018/04/13 05:33:38 yasuoka Exp $ */ +/* $OpenBSD: ipmi.c,v 1.102 2018/06/15 12:21:41 yasuoka Exp $ */ /* * Copyright (c) 2015 Masao Uebayashi @@ -1653,7 +1653,7 @@ ipmi_match(struct device *parent, void *match, void *aux) /* XXX local softc is wrong wrong wrong */ sc = malloc(sizeof(*sc), M_TEMP, M_WAITOK | M_ZERO); - mtx_init(&sc->sc_cmd_mtx, IPL_NONE); + mtx_init(&sc->sc_cmd_mtx, IPL_MPFLOOR); strlcpy(sc->sc_dev.dv_xname, "ipmi0", sizeof(sc->sc_dev.dv_xname)); /* Map registers */ @@ -1726,7 +1726,7 @@ ipmi_attach(struct device *parent, struct device *self, void *aux) c->c_ccode = -1; sc->sc_cmd_taskq = taskq_create("ipmicmd", 1, IPL_NONE, TASKQ_MPSAFE); - mtx_init(&sc->sc_cmd_mtx, IPL_NONE); + mtx_init(&sc->sc_cmd_mtx, IPL_MPFLOOR); } int |