git: de291c5d104a - main - acpi_cpu: Replace Giant with bus_topo_lock.

From: Alexander Motin <mav_at_FreeBSD.org>
Date: Fri, 10 Dec 2021 01:09:25 UTC
The branch main has been updated by mav:

URL: https://cgit.FreeBSD.org/src/commit/?id=de291c5d104a82dc66415a8d01bbceb4d4f93f38

commit de291c5d104a82dc66415a8d01bbceb4d4f93f38
Author:     Alexander Motin <mav@FreeBSD.org>
AuthorDate: 2021-12-10 01:08:25 +0000
Commit:     Alexander Motin <mav@FreeBSD.org>
CommitDate: 2021-12-10 01:08:25 +0000

    acpi_cpu: Replace Giant with bus_topo_lock.
---
 sys/dev/acpica/acpi_cpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c
index aac25af830ea..b1520368756f 100644
--- a/sys/dev/acpica/acpi_cpu.c
+++ b/sys/dev/acpica/acpi_cpu.c
@@ -447,7 +447,7 @@ acpi_cpu_postattach(void *unused __unused)
     if (cpu_softc == NULL)
 	return;
 
-    mtx_lock(&Giant);
+    bus_topo_lock();
     CPU_FOREACH(i) {
 	if ((sc = cpu_softc[i]) != NULL)
 		bus_generic_probe(sc->cpu_dev);
@@ -458,7 +458,7 @@ acpi_cpu_postattach(void *unused __unused)
 		attached = 1;
 	}
     }
-    mtx_unlock(&Giant);
+    bus_topo_unlock();
 
     if (attached) {
 #ifdef EARLY_AP_STARTUP