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locking/lockdep: Cleanup 

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Marco Elver <elver@google.com>
Link: https://lkml.kernel.org/r/20200821085348.546087214@infradead.org
This commit is contained in:
Peter Zijlstra 2020-08-12 19:28:06 +02:00
parent 7da93f3793
commit 00b0ed2d49
1 changed files with 30 additions and 24 deletions
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54
include/linux/irqflags.h
View File

@ -49,10 +49,11 @@ struct irqtrace_events {
DECLARE_PER_CPU(int, hardirqs_enabled);
DECLARE_PER_CPU(int, hardirq_context);
extern void trace_hardirqs_on_prepare(void);
extern void trace_hardirqs_off_finish(void);
extern void trace_hardirqs_on(void);
extern void trace_hardirqs_off(void);
extern void trace_hardirqs_on_prepare(void);
extern void trace_hardirqs_off_finish(void);
extern void trace_hardirqs_on(void);
extern void trace_hardirqs_off(void);
# define lockdep_hardirq_context() (raw_cpu_read(hardirq_context))
# define lockdep_softirq_context(p) ((p)->softirq_context)
# define lockdep_hardirqs_enabled() (this_cpu_read(hardirqs_enabled))
@ -120,17 +121,17 @@ do { \
#else
# define trace_hardirqs_on_prepare() do { } while (0)
# define trace_hardirqs_off_finish() do { } while (0)
# define trace_hardirqs_on() do { } while (0)
# define trace_hardirqs_off() do { } while (0)
# define lockdep_hardirq_context() 0
# define lockdep_softirq_context(p) 0
# define lockdep_hardirqs_enabled() 0
# define lockdep_softirqs_enabled(p) 0
# define lockdep_hardirq_enter() do { } while (0)
# define lockdep_hardirq_threaded() do { } while (0)
# define lockdep_hardirq_exit() do { } while (0)
# define lockdep_softirq_enter() do { } while (0)
# define lockdep_softirq_exit() do { } while (0)
# define trace_hardirqs_on() do { } while (0)
# define trace_hardirqs_off() do { } while (0)
# define lockdep_hardirq_context() 0
# define lockdep_softirq_context(p) 0
# define lockdep_hardirqs_enabled() 0
# define lockdep_softirqs_enabled(p) 0
# define lockdep_hardirq_enter() do { } while (0)
# define lockdep_hardirq_threaded() do { } while (0)
# define lockdep_hardirq_exit() do { } while (0)
# define lockdep_softirq_enter() do { } while (0)
# define lockdep_softirq_exit() do { } while (0)
# define lockdep_hrtimer_enter(__hrtimer) false
# define lockdep_hrtimer_exit(__context) do { } while (0)
# define lockdep_posixtimer_enter() do { } while (0)
@ -181,17 +182,25 @@ do { \
* if !TRACE_IRQFLAGS.
*/
#ifdef CONFIG_TRACE_IRQFLAGS
#define local_irq_enable() \
do { trace_hardirqs_on(); raw_local_irq_enable(); } while (0)
#define local_irq_disable() \
do { raw_local_irq_disable(); trace_hardirqs_off(); } while (0)
#define local_irq_enable() \
do { \
trace_hardirqs_on(); \
raw_local_irq_enable(); \
} while (0)
#define local_irq_disable() \
do { \
raw_local_irq_disable(); \
trace_hardirqs_off(); \
} while (0)
#define local_irq_save(flags) \
do { \
raw_local_irq_save(flags); \
trace_hardirqs_off(); \
} while (0)
#define local_irq_restore(flags) \
do { \
if (raw_irqs_disabled_flags(flags)) { \
@ -214,10 +223,7 @@ do { \
#define local_irq_enable() do { raw_local_irq_enable(); } while (0)
#define local_irq_disable() do { raw_local_irq_disable(); } while (0)
#define local_irq_save(flags) \
do { \
raw_local_irq_save(flags); \
} while (0)
#define local_irq_save(flags) do { raw_local_irq_save(flags); } while (0)
#define local_irq_restore(flags) do { raw_local_irq_restore(flags); } while (0)
#define safe_halt() do { raw_safe_halt(); } while (0)