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13 June 2022, 11:31:42 UTC
Revision b094a870ae33426442b0cbcf8025f1ef919d1def authored by Linus Torvalds on 27 December 2010, 18:33:30 UTC, committed by Linus Torvalds on 27 December 2010, 18:33:30 UTC 
Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
 
* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6:
  fbdev: sh_mobile_lcdc: increase maximum framebuffer size to support 1080p
  video: imxfb: Fix the maximum value for yres
  fb: fix overlapping test off-by-one.
  fbdev: sh-mobile: retrieve and propagate display sizes from EDID
  fbdev: sh-mobile: restore display size configuration
2 parent s 4e838c7 + cb59bfc
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Tip revision: b094a870ae33426442b0cbcf8025f1ef919d1def authored by Linus Torvalds on 27 December 2010, 18:33:30 UTC
Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
Tip revision: b094a87
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>
#include <linux/console.h>


void __attribute__((weak)) bust_spinlocks(int yes)
{
	if (yes) {
		++oops_in_progress;
	} else {
#ifdef CONFIG_VT
		unblank_screen();
#endif
		console_unblank();
		if (--oops_in_progress == 0)
			wake_up_klogd();
	}
}
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