diff options
| author | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2017-06-22 06:21:13 +0000 |
|---|---|---|
| committer | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2017-06-22 06:21:13 +0000 |
| commit | acaa668c481b678a1a19aa55581bdc2be5bef018 (patch) | |
| tree | d2add82a1dbba3b4afda0a85b60c796094a8ac53 /sys/dev/pv/pvbus.c | |
| parent | c8a70ec733e996474829edeefc15383497b0fa62 (diff) | |
Add a hypervisor-specific function pointer in pvbus(4) that gets called during
cpu_hatch() on each cpu, allowing initialization of per-cpu features on each
cpu as it starts up.
input from reyk@ and mikeb@
ok mikeb@
Diffstat (limited to 'sys/dev/pv/pvbus.c')
| -rw-r--r-- | sys/dev/pv/pvbus.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/dev/pv/pvbus.c b/sys/dev/pv/pvbus.c index ecc60b3c6b3..902221ec6f5 100644 --- a/sys/dev/pv/pvbus.c +++ b/sys/dev/pv/pvbus.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pvbus.c,v 1.16 2017/01/10 17:16:39 reyk Exp $ */ +/* $OpenBSD: pvbus.c,v 1.17 2017/06/22 06:21:12 jmatthew Exp $ */ /* * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org> @@ -210,6 +210,19 @@ pvbus_identify(void) has_hv_cpuid = 1; } +void +pvbus_init_cpu(void) +{ + int i; + + for (i = 0; i < PVBUS_MAX; i++) { + if (pvbus_hv[i].hv_base == 0) + continue; + if (pvbus_hv[i].hv_init_cpu != NULL) + (pvbus_hv[i].hv_init_cpu)(&pvbus_hv[i]); + } +} + int pvbus_activate(struct device *self, int act) { |