taint: add explicit flag to show whether lock dep is still OK.
Fix up all callers as they were before, with make one change: an
unsigned module taints the kernel, but doesn't turn off lockdep.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index c566927..80d3687 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -398,7 +398,11 @@
extern int panic_on_io_nmi;
extern int sysctl_panic_on_stackoverflow;
extern const char *print_tainted(void);
-extern void add_taint(unsigned flag);
+enum lockdep_ok {
+ LOCKDEP_STILL_OK,
+ LOCKDEP_NOW_UNRELIABLE
+};
+extern void add_taint(unsigned flag, enum lockdep_ok);
extern int test_taint(unsigned flag);
extern unsigned long get_taint(void);
extern int root_mountflags;