[ARM] 4453/1: Fully Decode ARM instruction set state in show_regs() tombstone
[linux-2.6] / lib / bust_spinlocks.c
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
17 void __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
30