cpu: Add testing if host cpu is suitable to FPU c/r

The cpu we're running on must at least support fxsave feature.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-dump.c

@@ -60,6 +60,7 @@
 #include "tty.h"
 #include "net.h"
 #include "sk-packet.h"
+#include "cpu.h"
 
 #ifndef CONFIG_X86_64
 # error No x86-32 support yet
@@ -1640,6 +1641,9 @@ int cr_dump_tasks(pid_t pid, const struct cr_options *opts)
 	pr_info("Dumping processes (pid: %d)\n", pid);
 	pr_info("========================================\n");
 
+	if (cpu_init())
+		goto err;
+
 	if (network_lock())
 		goto err;
 

cr-restore.c

@@ -53,6 +53,7 @@
 #include "pstree.h"
 #include "net.h"
 #include "tty.h"
+#include "cpu.h"
 
 #include "protobuf.h"
 #include "protobuf/sa.pb-c.h"
@@ -1236,6 +1237,9 @@ int cr_restore_tasks(pid_t pid, struct cr_options *opts)
 	if (check_img_inventory() < 0)
 		return -1;
 
+	if (cpu_init() < 0)
+		return -1;
+
 	if (prepare_task_entries() < 0)
 		return -1;