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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - lib/bust_spinlocks.c
a2055bc3ef623d1b2f4659bdbd7dfe729ae47aa6
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.
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 bust_spinlocks(int yes
)
22 int loglevel_save
= console_loglevel
;
28 * OK, the message is on the console. Now we call printk()
29 * without oops_in_progress set so that printk() will give klogd
30 * and the blanked console a poke. Hold onto your hats...
32 console_loglevel
= 15; /* NMI oopser may have shut the console up */
34 console_loglevel
= loglevel_save
;