#include <linux/kmsg_dump.h>#include <linux/console.h>#include <shared/init.h>#include <shared/kern.h>#include <os.h> static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,				enum kmsg_dump_reason reason){	static char line[1024]; 	size_t len = 0;	bool con_available = false; 	/* only dump kmsg when no console is available */	if (!console_trylock())		return; 	if (console_drivers != NULL)		con_available = true; 	console_unlock(); 	if (con_available == true)		return; 	printf("kmsg_dump:\n");	while (kmsg_dump_get_line(dumper, true, line, sizeof(line), &len)) {		line[len] = '\0';		printf("%s", line);	}} static struct kmsg_dumper kmsg_dumper = {	.dump = kmsg_dumper_stdout}; int __init kmsg_dumper_stdout_init(void){	return kmsg_dump_register(&kmsg_dumper);} __uml_postsetup(kmsg_dumper_stdout_init);