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/*

 * lib/bust_spinlocks.c

 *

 * Provides a minimal bust_spinlocks for architectures which don't have one of their own.

 *

 * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()

 * and panic() information from reaching the user.

 */

#include <linux/kernel.h>

#include <linux/spinlock.h>

#include <linux/tty.h>

#include <linux/wait.h>

#include <linux/vt_kern.h>

void __attribute__((weak)) bust_spinlocks(int yes)

{

        if (yes) {

                ++oops_in_progress;

        } else {

#ifdef CONFIG_VT

                unblank_screen();

#endif

                if (--oops_in_progress == 0)

                        wake_up_klogd();

        }

}