swh:1:snp:32555a3fd8878f019c2ebd6c964bc1edcaeff337
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Tip revision: e0f2e3a06be513352cb4955313ed7e55909acd84 authored by Linus Torvalds on 25 March 2007, 22:56:23 UTC
Linux 2.6.21-rc5
Tip revision: e0f2e3a
bust_spinlocks.c
/*
 * 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 = 1;
	} else {
#ifdef CONFIG_VT
		unblank_screen();
#endif
		oops_in_progress = 0;
		wake_up_klogd();
	}
}


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