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taint: add explicit flag to show whether lock dep is still OK.

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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>
This commit is contained in:
Rusty Russell 2013-01-21 17:17:39 +10:30
parent 64748a2c90
commit 373d4d0997
37 changed files with 69 additions and 67 deletions
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6
include/linux/kernel.h
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@ -398,7 +398,11 @@ extern int panic_on_unrecovered_nmi;
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;