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05 April 2024, 19:05:47 UTC
Revision 4ba0032984fd2626209c6aef0ee025912875bf9f authored by Linus Torvalds on 03 December 2012, 19:13:32 UTC, committed by Linus Torvalds on 03 December 2012, 19:13:32 UTC 
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
 
Pull media fixes from Mauro Carvalho Chehab:
 "Some driver fixes for s5p/exynos (mostly race fixes)"

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] s5p-mfc: Handle multi-frame input buffer
  [media] s5p-mfc: Bug fix of timestamp/timecode copy mechanism
  [media] exynos-gsc: Add missing video device vfl_dir flag initialization
  [media] exynos-gsc: Fix settings for input and output image RGB type
  [media] exynos-gsc: Don't use mutex_lock_interruptible() in device release()
  [media] fimc-lite: Don't use mutex_lock_interruptible() in device release()
  [media] s5p-fimc: Don't use mutex_lock_interruptible() in device release()
  [media] s5p-fimc: Prevent race conditions during subdevs registration
2 parent s 25a3bc6 + d2a0db1
Raw File
Tip revision: 4ba0032984fd2626209c6aef0ee025912875bf9f authored by Linus Torvalds on 03 December 2012, 19:13:32 UTC
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Tip revision: 4ba0032
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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