f9155dd8d9
This provides PTR_ERR() now used by lockdep. Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: a.p.zijlstra@chello.nl Cc: ben@decadent.org.uk Link: http://lkml.kernel.org/r/20170525130005.5947-18-alexander.levin@verizon.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#ifndef _LIBLOCKDEP_LINUX_KERNEL_H_
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#define _LIBLOCKDEP_LINUX_KERNEL_H_
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#include <linux/export.h>
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#include <linux/types.h>
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#include <linux/rcu.h>
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#include <linux/hardirq.h>
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#include <linux/kern_levels.h>
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#include <linux/err.h>
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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#ifndef container_of
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#define container_of(ptr, type, member) ({ \
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const typeof(((type *)0)->member) * __mptr = (ptr); \
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(type *)((char *)__mptr - offsetof(type, member)); })
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#endif
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#define max(x, y) ({ \
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typeof(x) _max1 = (x); \
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typeof(y) _max2 = (y); \
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(void) (&_max1 == &_max2); \
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_max1 > _max2 ? _max1 : _max2; })
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#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
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static inline int lockdep_warn(int condition)
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{
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return condition;
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}
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#define WARN_ON(x) lockdep_warn(x)
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#define WARN_ON_ONCE(x) WARN_ON(x)
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#define WARN(x, y...) WARN_ON(x)
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#define likely(x) (x)
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#define uninitialized_var(x) x
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#define __init
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#define noinline
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#define list_add_tail_rcu list_add_tail
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#define list_for_each_entry_rcu list_for_each_entry
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#define barrier()
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#define synchronize_sched()
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#ifndef CALLER_ADDR0
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#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
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#endif
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#ifndef _RET_IP_
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#define _RET_IP_ CALLER_ADDR0
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#endif
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#ifndef _THIS_IP_
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#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
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#endif
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#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
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#endif
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