Commit ab3c0ddb authored by Riccardo Mancini's avatar Riccardo Mancini Committed by Arnaldo Carvalho de Melo
Browse files

tools: Add sparse context/locking annotations in compiler-types.h 



This patch copies sparse context/locking annotations from
include/compiler-types.h to tools/include/compiler-types.h.

Committer notes:

This will be used in the upcoming workqueue patchset.

Signed-off-by: default avatarRiccardo Mancini <rickyman7@gmail.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http //lore.kernel.org/lkml/58b2f161ce856ec8b499f4dcf60a10adc84651e0.1627657061.git.rickyman7@gmail.com
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5f534a81

tools/include/linux/compiler_types.h

+18 −0
Original line number Diff line number Diff line
@@ -13,6 +13,24 @@ 
#define __has_builtin(x) (0)

#endif



#ifdef __CHECKER__

/* context/locking */

# define __must_hold(x)	__attribute__((context(x,1,1)))

# define __acquires(x)	__attribute__((context(x,0,1)))

# define __releases(x)	__attribute__((context(x,1,0)))

# define __acquire(x)	__context__(x,1)

# define __release(x)	__context__(x,-1)

# define __cond_lock(x,c)	((c) ? ({ __acquire(x); 1; }) : 0)

#else /* __CHECKER__ */

/* context/locking */

# define __must_hold(x)

# define __acquires(x)

# define __releases(x)

# define __acquire(x)	(void)0

# define __release(x)	(void)0

# define __cond_lock(x,c) (c)

#endif /* __CHECKER__ */



/* Compiler specific macros. */

#ifdef __GNUC__

#include <linux/compiler-gcc.h>