[CRIU] [PATCH 5/5] criu: Move mod preload into kdat

[Pavel Emelyanov]

Modules pre-load is also slow, but guarding this code with
the presence of criu.kdat cache file seems reasonable.

Or course, one may unload the needed modules by hands, but
such smart user may as well remove the /run/criu.kdat file :)

Signed-off-by: Pavel Emelyanov <xemul at virtuozzo.com>
---
 criu/crtools.c | 6 ------
 criu/kerndat.c | 4 ++++
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/criu/crtools.c b/criu/crtools.c
index 013a138..b20d2ec 100644
--- a/criu/crtools.c
+++ b/criu/crtools.c
@@ -25,11 +25,9 @@
 #include "crtools.h"
 #include "cr_options.h"
 #include "external.h"
-#include "sockets.h"
 #include "files.h"
 #include "sk-inet.h"
 #include "net.h"
-#include "netfilter.h"
 #include "version.h"
 #include "page-xfer.h"
 #include "tty.h"
@@ -711,9 +709,6 @@ int main(int argc, char *argv[], char *envp[])
 		pr_info("Will do snapshot from %s\n", opts.img_parent);
 
 	if (!strcmp(argv[optind], "dump")) {
-		preload_socket_modules();
-		preload_netfilter_modules();
-
 		if (!tree_id)
 			goto opt_pid_missing;
 		return cr_dump_tasks(tree_id);
@@ -727,7 +722,6 @@ int main(int argc, char *argv[], char *envp[])
 	}
 
 	if (!strcmp(argv[optind], "restore")) {
-		preload_netfilter_modules();
 		if (tree_id)
 			pr_warn("Using -t with criu restore is obsoleted\n");
 
diff --git a/criu/kerndat.c b/criu/kerndat.c
index 8264edc..61b271b 100644
--- a/criu/kerndat.c
+++ b/criu/kerndat.c
@@ -32,6 +32,7 @@
 #include <compel/plugins/std/syscall-codes.h>
 #include <compel/compel.h>
 #include "linux/userfaultfd.h"
+#include "netfilter.h"
 
 struct kerndat_s kdat = {
 };
@@ -738,6 +739,9 @@ int kerndat_init(void)
 	if (ret <= 0)
 		return ret;
 
+	preload_socket_modules();
+	preload_netfilter_modules();
+
 	ret = check_pagemap();
 	if (!ret)
 		ret = kerndat_get_shmemdev();
-- 
2.1.4