svn commit: r355838 - head/lib/libvmmapi
Marcelo Araujo
araujo at FreeBSD.org
Tue Dec 17 01:33:26 UTC 2019
Author: araujo
Date: Tue Dec 17 01:33:26 2019
New Revision: 355838
URL: https://svnweb.freebsd.org/changeset/base/355838
Log:
Attempt to load vmm(4) module before creating a guest using vm_create()
wrapper in libvmmapi.
Submitted by: Rob Fairbanks <rob.fx907_gmail.com>
Reviewed by: jhb
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D19400
Modified:
head/lib/libvmmapi/vmmapi.c
Modified: head/lib/libvmmapi/vmmapi.c
==============================================================================
--- head/lib/libvmmapi/vmmapi.c Tue Dec 17 00:13:45 2019 (r355837)
+++ head/lib/libvmmapi/vmmapi.c Tue Dec 17 01:33:26 2019 (r355838)
@@ -34,7 +34,9 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/ioctl.h>
+#include <sys/linker.h>
#include <sys/mman.h>
+#include <sys/module.h>
#include <sys/_iovec.h>
#include <sys/cpuset.h>
@@ -103,7 +105,11 @@ vm_device_open(const char *name)
int
vm_create(const char *name)
{
-
+ /* Try to load vmm(4) module before creating a guest. */
+ if (modfind("vmm") < 0) {
+ if (modfind("vmm") < 0)
+ kldload("vmm");
+ }
return (CREATE((char *)name));
}
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