diff options
| author | Warner Losh <imp@FreeBSD.org> | 2021-12-10 00:04:45 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2021-12-10 00:04:45 +0000 |
| commit | c6df6f5322f7004c71216391e1c0b374d853704a (patch) | |
| tree | 76dc82f3e59048e11fc12a9f5985627e8f12b24d /sys/dev/xen | |
| parent | ab639f2398bf7efd4dfd38cd6527e22f6e781ae9 (diff) | |
Diffstat (limited to 'sys/dev/xen')
| -rw-r--r-- | sys/dev/xen/control/control.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/dev/xen/control/control.c b/sys/dev/xen/control/control.c index 234ebdf530b0..426682a8f2d9 100644 --- a/sys/dev/xen/control/control.c +++ b/sys/dev/xen/control/control.c @@ -232,12 +232,11 @@ xctrl_suspend() KASSERT((PCPU_GET(cpuid) == 0), ("Not running on CPU#0")); /* - * Be sure to hold Giant across DEVICE_SUSPEND/RESUME since non-MPSAFE - * drivers need this. + * Be sure to hold Giant across DEVICE_SUSPEND/RESUME. */ - mtx_lock(&Giant); + bus_topo_lock(); if (DEVICE_SUSPEND(root_bus) != 0) { - mtx_unlock(&Giant); + bus_topo_unlock(); printf("%s: device_suspend failed\n", __func__); return; } @@ -310,7 +309,7 @@ xctrl_suspend() * similar. */ DEVICE_RESUME(root_bus); - mtx_unlock(&Giant); + bus_topo_unlock(); /* * Warm up timecounter again and reset system clock. |