diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2019-04-09 13:59:03 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-04-18 12:50:18 +0200 |
| commit | 8808a7c65423cdd07ea12f9ecd812e56c7857421 (patch) | |
| tree | 5524e1ad298b989c894faf9a2334aa0e2ed1d3c9 /kernel/locking | |
| parent | locking/lockdep: Use expanded masks on find_usage_*() functions (diff) | |
| download | linux-dev-8808a7c65423cdd07ea12f9ecd812e56c7857421.tar.xz linux-dev-8808a7c65423cdd07ea12f9ecd812e56c7857421.zip | |
locking/lockdep: Generate LOCKF_ bit composites
Instead of open-coding the bitmasks, generate them using the
lockdep_states.h header.
This prepares for additional states, which would make the manual masks
tedious and error prone.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/lockdep_internals.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h index d4c197425f68..2b3ffd4117ad 100644 --- a/kernel/locking/lockdep_internals.h +++ b/kernel/locking/lockdep_internals.h @@ -42,13 +42,29 @@ enum { __LOCKF(USED) }; -#define LOCKF_ENABLED_IRQ (LOCKF_ENABLED_HARDIRQ | LOCKF_ENABLED_SOFTIRQ) -#define LOCKF_USED_IN_IRQ (LOCKF_USED_IN_HARDIRQ | LOCKF_USED_IN_SOFTIRQ) +#define LOCKDEP_STATE(__STATE) LOCKF_ENABLED_##__STATE | +static const unsigned long LOCKF_ENABLED_IRQ = +#include "lockdep_states.h" + 0; +#undef LOCKDEP_STATE + +#define LOCKDEP_STATE(__STATE) LOCKF_USED_IN_##__STATE | +static const unsigned long LOCKF_USED_IN_IRQ = +#include "lockdep_states.h" + 0; +#undef LOCKDEP_STATE -#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 LOCKDEP_STATE(__STATE) LOCKF_ENABLED_##__STATE##_READ | +static const unsigned long LOCKF_ENABLED_IRQ_READ = +#include "lockdep_states.h" + 0; +#undef LOCKDEP_STATE + +#define LOCKDEP_STATE(__STATE) LOCKF_USED_IN_##__STATE##_READ | +static const unsigned long LOCKF_USED_IN_IRQ_READ = +#include "lockdep_states.h" + 0; +#undef LOCKDEP_STATE /* * CONFIG_LOCKDEP_SMALL is defined for sparc. Sparc requires .text, |