From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>, Nick Piggin <npiggin@suse.de>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [RFC PATCH 06/19] lockdep: simplify mark_lock()
Date: Thu, 22 Jan 2009 18:37:07 +0100 [thread overview]
Message-ID: <20090122174052.623128597@chello.nl> (raw)
In-Reply-To: 20090122173701.674448070@chello.nl
[-- Attachment #1: lockdep-generate6.patch --]
[-- Type: text/plain, Size: 1154 bytes --]
remove the state iteration
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/lockdep.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
Index: linux-2.6/kernel/lockdep.c
===================================================================
--- linux-2.6.orig/kernel/lockdep.c
+++ linux-2.6/kernel/lockdep.c
@@ -2445,18 +2445,13 @@ static int mark_lock(struct task_struct
return 0;
switch (new_bit) {
- case LOCK_USED_IN_HARDIRQ:
- case LOCK_USED_IN_SOFTIRQ:
- case LOCK_USED_IN_HARDIRQ_READ:
- case LOCK_USED_IN_SOFTIRQ_READ:
- case LOCK_ENABLED_HARDIRQ:
- case LOCK_ENABLED_SOFTIRQ:
- case LOCK_ENABLED_HARDIRQ_READ:
- case LOCK_ENABLED_SOFTIRQ_READ:
- case LOCK_USED_IN_RECLAIM_FS:
- case LOCK_USED_IN_RECLAIM_FS_READ:
- case LOCK_ENABLED_RECLAIM_FS:
- case LOCK_ENABLED_RECLAIM_FS_READ:
+#define LOCKDEP_STATE(__STATE) \
+ case LOCK_USED_IN_##__STATE: \
+ case LOCK_USED_IN_##__STATE##_READ: \
+ case LOCK_ENABLED_##__STATE: \
+ case LOCK_ENABLED_##__STATE##_READ:
+#include "lockdep_states.h"
+#undef LOCKDEP_STATE
ret = mark_lock_irq(curr, this, new_bit);
if (!ret)
return 0;
--
next prev parent reply other threads:[~2009-01-22 17:47 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-22 17:37 [RFC PATCH 00/19] lockdep series Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 01/19] lockdep: annotate reclaim context (__GFP_NOFS) Peter Zijlstra
2009-01-22 19:40 ` Peter Zijlstra
2009-01-22 20:29 ` Peter Zijlstra
2009-01-23 7:33 ` Nick Piggin
2009-01-23 8:00 ` Peter Zijlstra
2009-01-23 15:08 ` Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 02/19] lockdep: sanitize bit names Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 03/19] lockdep: sanitize reclaim " Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 04/19] lockdep: lockdep_states.h Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 05/19] lockdep: simplify mark_held_locks Peter Zijlstra
2009-01-22 17:37 ` Peter Zijlstra [this message]
2009-01-22 17:37 ` [RFC PATCH 07/19] lockdep: move state bit definitions around Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 08/19] lockdep: generate the state bit definitions Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 09/19] lockdep: generate usage strings Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 10/19] lockdep: split up mark_lock_irq() Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 11/19] lockdep: simplify the mark_lock_irq() helpers Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 12/19] lockdep: further simplify " Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 13/19] simplify mark_lock_irq() helpers #3 Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 14/19] lockdep: merge the _READ mark_lock_irq() helpers Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 15/19] lockdep: merge the !_READ " Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 16/19] lockdep: fully reduce mark_lock_irq() Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 17/19] lockdep: simplify get_user_chars() Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 18/19] lockdep: get_user_chars() redo Peter Zijlstra
2009-01-22 17:37 ` [RFC PATCH 19/19] lockdep: simplify check_prev_add_irq() Peter Zijlstra
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