Commit 5cf67a60 authored by Karolina Drobnik's avatar Karolina Drobnik Committed by Mike Rapoport
Browse files

tools/include: Add _RET_IP_ and math definitions to kernel.h 



Add max_t, min_t and clamp functions, together with _RET_IP_
definition, so they can be used in testing.

Signed-off-by: default avatarKarolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: default avatarMike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/230fea382cb1e1659cdd52a55201854d38a0a149.1643796665.git.karolinadrobnik@gmail.com
parent 884ee1e5

tools/include/linux/kernel.h

+6 −0
Original line number Original line Diff line number Diff line
@@ -15,6 +15,8 @@ 
#define UINT_MAX	(~0U)

#define UINT_MAX	(~0U)

#endif

#endif





#define _RET_IP_		((unsigned long)__builtin_return_address(0))



#define PERF_ALIGN(x, a)	__PERF_ALIGN_MASK(x, (typeof(x))(a)-1)

#define PERF_ALIGN(x, a)	__PERF_ALIGN_MASK(x, (typeof(x))(a)-1)

#define __PERF_ALIGN_MASK(x, mask)	(((x)+(mask))&~(mask))

#define __PERF_ALIGN_MASK(x, mask)	(((x)+(mask))&~(mask))
@@ -51,6 +53,10 @@ 
	_min1 < _min2 ? _min1 : _min2; })

	_min1 < _min2 ? _min1 : _min2; })

#endif

#endif





#define max_t(type, x, y)	max((type)x, (type)y)

#define min_t(type, x, y)	min((type)x, (type)y)

#define clamp(val, lo, hi)	min((typeof(val))max(val, lo), hi)



#ifndef BUG_ON

#ifndef BUG_ON

#ifdef NDEBUG

#ifdef NDEBUG

#define BUG_ON(cond) do { if (cond) {} } while (0)

#define BUG_ON(cond) do { if (cond) {} } while (0)