Add support for suspending and resuming the whole console subsystem
Trying to suspend/resume with console messages flying all around is
doomed to failure, when the devices that the messages are trying to
go to are being shut down.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/console.h b/include/linux/console.h
index 7213713..08734e6 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -117,6 +117,10 @@
extern void console_start(struct console *);
extern int is_console_locked(void);
+/* Suspend and resume console messages over PM events */
+extern void suspend_console(void);
+extern void resume_console(void);
+
/* Some debug stub to catch some of the obvious races in the VT code */
#if 1
#define WARN_CONSOLE_UNLOCKED() WARN_ON(!is_console_locked() && !oops_in_progress)