Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6/mini2440.git] / lib / bust_spinlocks.c
blob486da62b2b070368f30d53b8feb2de33f0a5167a
1 /*
2 * lib/bust_spinlocks.c
4 * Provides a minimal bust_spinlocks for architectures which don't have one of their own.
6 * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
7 * and panic() information from reaching the user.
8 */
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>
17 void __attribute__((weak)) bust_spinlocks(int yes)
19 if (yes) {
20 ++oops_in_progress;
21 } else {
22 #ifdef CONFIG_VT
23 unblank_screen();
24 #endif
25 if (--oops_in_progress == 0)
26 wake_up_klogd();