The patch titled
lockdep: shrink held_lock structure (fix)
has been removed from the -mm tree. Its filename was
lockdep-shrink-held_lock-structure-fix.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: lockdep: shrink held_lock structure (fix)
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Replacement patch - on account of the old one having a bug that
basically disables lockdep.
Cc: Dave Jones <davej@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/lockdep.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN include/linux/lockdep.h~lockdep-shrink-held_lock-structure-fix include/linux/lockdep.h
--- a/include/linux/lockdep.h~lockdep-shrink-held_lock-structure-fix
+++ a/include/linux/lockdep.h
@@ -229,10 +229,10 @@ struct held_lock {
* The following field is used to detect when we cross into an
* interrupt context:
*/
- unsigned int irq_context:1;
+ unsigned int irq_context:2; /* bit 0 - soft, bit 1 - hard */
unsigned int trylock:1;
- unsigned int read:2;
- unsigned int check:1;
+ unsigned int read:2; /* see lock_acquire() comment */
+ unsigned int check:2; /* see lock_acquire() comment */
unsigned int hardirqs_off:1;
};
_
Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are
origin.patch
linux-next.patch
irq-warn-about-irqf_disabledirqf_shared.patch
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