1/*
2 * lib/bust_spinlocks.c
3 *
4 * Provides a minimal bust_spinlocks for architectures which don't have one of their own.
5 *
6 * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
7 * and panic() information from reaching the user.
8 */
9
10#include <linux/kernel.h>
11#include <linux/spinlock.h>
12#include <linux/tty.h>
13#include <linux/wait.h>
14#include <linux/vt_kern.h>
15
16
17void __attribute__((weak)) bust_spinlocks(int yes)
18{
19	if (yes) {
20		oops_in_progress = 1;
21	} else {
22#ifdef CONFIG_VT
23		unblank_screen();
24#endif
25		oops_in_progress = 0;
26		wake_up_klogd();
27	}
28}
29