From 9851673bc32bc9fcafbbaeffc858ead434bd6d58 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 22 Jan 2009 14:18:40 +0100 Subject: lockdep: move state bit definitions around For convenience later. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- include/linux/lockdep.h | 49 ++++--------------------------------------------- 1 file changed, 4 insertions(+), 45 deletions(-) (limited to 'include/linux/lockdep.h') diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 6d729c9d1d27..5a58ea3e91e9 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -20,51 +20,10 @@ struct lockdep_map; #include /* - * Lock-class usage-state bits: + * We'd rather not expose kernel/lockdep_states.h this wide, but we do need + * the total number of states... :-( */ -enum lock_usage_bit -{ - LOCK_USED = 0, - LOCK_USED_IN_HARDIRQ, - LOCK_USED_IN_SOFTIRQ, - LOCK_USED_IN_RECLAIM_FS, - LOCK_ENABLED_SOFTIRQ, - LOCK_ENABLED_HARDIRQ, - LOCK_ENABLED_RECLAIM_FS, - LOCK_USED_IN_HARDIRQ_READ, - LOCK_USED_IN_SOFTIRQ_READ, - LOCK_USED_IN_RECLAIM_FS_READ, - LOCK_ENABLED_SOFTIRQ_READ, - LOCK_ENABLED_HARDIRQ_READ, - LOCK_ENABLED_RECLAIM_FS_READ, - LOCK_USAGE_STATES -}; - -/* - * Usage-state bitmasks: - */ -#define LOCKF_USED (1 << LOCK_USED) -#define LOCKF_USED_IN_HARDIRQ (1 << LOCK_USED_IN_HARDIRQ) -#define LOCKF_USED_IN_SOFTIRQ (1 << LOCK_USED_IN_SOFTIRQ) -#define LOCKF_USED_IN_RECLAIM_FS (1 << LOCK_USED_IN_RECLAIM_FS) -#define LOCKF_ENABLED_HARDIRQ (1 << LOCK_ENABLED_HARDIRQ) -#define LOCKF_ENABLED_SOFTIRQ (1 << LOCK_ENABLED_SOFTIRQ) -#define LOCKF_ENABLED_RECLAIM_FS (1 << LOCK_ENABLED_RECLAIM_FS) - -#define LOCKF_ENABLED_IRQ (LOCKF_ENABLED_HARDIRQ | LOCKF_ENABLED_SOFTIRQ) -#define LOCKF_USED_IN_IRQ (LOCKF_USED_IN_HARDIRQ | LOCKF_USED_IN_SOFTIRQ) - -#define LOCKF_USED_IN_HARDIRQ_READ (1 << LOCK_USED_IN_HARDIRQ_READ) -#define LOCKF_USED_IN_SOFTIRQ_READ (1 << LOCK_USED_IN_SOFTIRQ_READ) -#define LOCKF_USED_IN_RECLAIM_FS_READ (1 << LOCK_USED_IN_RECLAIM_FS_READ) -#define LOCKF_ENABLED_HARDIRQ_READ (1 << LOCK_ENABLED_HARDIRQ_READ) -#define LOCKF_ENABLED_SOFTIRQ_READ (1 << LOCK_ENABLED_SOFTIRQ_READ) -#define LOCKF_ENABLED_RECLAIM_FS_READ (1 << LOCK_ENABLED_RECLAIM_FS_READ) - -#define LOCKF_ENABLED_IRQ_READ \ - (LOCKF_ENABLED_HARDIRQ_READ | LOCKF_ENABLED_SOFTIRQ_READ) -#define LOCKF_USED_IN_IRQ_READ \ - (LOCKF_USED_IN_HARDIRQ_READ | LOCKF_USED_IN_SOFTIRQ_READ) +#define XXX_LOCK_USAGE_STATES (1+3*4) #define MAX_LOCKDEP_SUBCLASSES 8UL @@ -105,7 +64,7 @@ struct lock_class { * IRQ/softirq usage tracking bits: */ unsigned long usage_mask; - struct stack_trace usage_traces[LOCK_USAGE_STATES]; + struct stack_trace usage_traces[XXX_LOCK_USAGE_STATES]; /* * These fields represent a directed graph of lock dependencies, -- cgit v1.2.3-55-g7522